140718 Technical Specification - Electrical Services

PROJECT

TAN TAO DEVELOPMENT

SPECIFICATION ELECTRICAL

JULY 2014

SPECIFICATION ELECTRICAL

M&E CONSULTANT

MARS CORPORATION

PROJECT: TAN TAO DEVELOPMENT

SPECIFICATION_ELECTRICAL Page 1/12

GENERAL REQUIREMENTS



1. SITE INSPECTION

Tenders must inspect the site to familiarize themselves with the conditions thereupon

prior to Submission of tender. Confirmation of site inspection shall be Submitted with

tender.

2. SPECIFICATION AND DRAWINGS

The drawings provided with this Specification shall be read in conjunction with this

Specification.

The Specification and drawings are mutually explanatory, and all work called for by one,

even if not by the other, shall be fully executed and completed.

The drawings shall be considered approximate and diagrammatic only. Actual

dimensions shall be obtained by The Contractor.

Accept the responsibility to ascertain that all particular equipment offered fits into the

provided spaces taking into consideration the requirements for maintenance and other

factors affecting the installation.

3. DISCREPANCIES & OMISSIONS

If any discrepancy, contradiction or omission appears in the specification or drawings,

the Tenderer shall refer same to the Project Manager and Consultant for resolution before

Submitting a Tender. The Consultant will issue directives on such matters in writing.

Oral amendments to the specification shall not be recognised by the Tenderer.

4. SETTING OUT OPENINGS AND MAKING GOOD

The precise location of all openings, fixings and similar items of work required for these

works to be provided by the Contractor shall be determined at such times as not to cause

delay to the work. All items shall be checked to ensure correct positioning. If openings,

fixings and similar items of work are wrongly located or are omitted due to incorrect or

lack of information, the cost of any remedial works shall be paid for by The Contractor.

The specification drawings are diagrammatic only and unless otherwise stated shall not

be used for determining the precise positions of equipment outlets and like features. The

exact location of these shall be determined on site or from shop drawings.

All chases, recesses and penetrations in structural elements not shown on the building



and structural drawings shall be Subject to approval.

5. POSITIONING OF OUTLETS AND EQUIPMENT

The layout of equipment shown on the drawings is diagrammatic only, and exact

positions shall be determined on site. Final position shall be to the approval of the

Project Manager. Ensure that all plant offered in suitable for installation in the location

and spaces shown on the drawings and will be accessible for maintenance in accordance

with the manufacturer’s recommendations when installed.

6. POSITIONING OF OUTLETS AND EQUIPMENT

The layout of equipment shown on the drawings is diagrammatic only, and exact

positions shall be determined on site. Final position shall be to the approval of the

project director.Ensure that all plant offered in suitable for installation in the location and

spaces shown on the drawings and will be accessible for maintenance in accordance with

the manufacturer’s recommendations when installed.

Outlets shall be spaced accurately and symmetrically within rooms.

Positions of all outlets, switches and fittings shall be chalked up in areas where the

outlets are adjacent to tiles or other architectural dados. Approval of the Consultant shall

be obtained before placing any final conduits or wiring for these outlets.

The position of outlets and switches shown on the drawings is assumed to be correct,

however, variations of up to 2m may be effected without cost variation if the change is

advised before the outlet or switch is fitted off.

Where outlets are in close proximity they shall be aligned horizontally and/or vertically

as the case may be.

Equipment shall be symmetrically located in relation to other equipment and devices, the

building module and general aesthetic treatment.

7. CO-ORDINATIONOF INSTALLATION

Co-ordination shall be carried out to ensure that all items for installation in false ceilings

are provided in sufficient time to comply with the Contractor’s program. All other



services within false ceilings shall be completely installed so that it will not be necessary

to remove any ceiling tiles to finish other work, apart from commissioning.

Responsibility and provision shall be allowed for any cost where due to delays or

deficiencies attributable to this Contract, ceiling tiles must be removed and replaced, or

additional penetrations provided in the ceiling.

8. PERFORMANCE AND GUARANTEE

The Tenderer will, by the fact of his tendering, be regarded as guaranteeing that:

a) The equipment offered by him is of the most modern and correct design and

construction and of the necessary capacity to efficiently perform the work specified.

b) The equipment offered is capable of being installed in the plant space shown on the

exhibited drawing with adequate clearance for its proper operation and maintenance.

c) The equipment offered will provide the minimum capacities as scheduled elsewhere in

this Specification or on the drawings.

d) All the settings and limits of all control instruments and equipment shall be the

responsibility of The Contractor and he shall ensure that the specified requirements and

conditions are met.

9. CONSTRUCTION DRAWINGS

The Contractor shall prepare working drawings (shop drawings) of the proposed

installation. All working drawings shall be submitted to the Consultant for approval

before commencing any work. All checking and approval of such drawings by the

Consultant shall be construed as gratuitously assisting The Contractor and does not

relieve The Contractor from responsibility for errors or omissions.

Where such errors or omissions are discovered later they shall be corrected by The

Contractor irrespective of any approval given by the Consultant. Approval of drawings

shall not be construed as authorising additional work or increased cost to the principal In

the event that the drawings indicate additional work involving increased cost, The

Contractor shall notify the Consultant at the time of submission of the drawings.

10. AS-BUILT DRAWINGS

As from the commencement of work The Contractor shall employ a competent



draughtsman to keep a record of all deviations and changes from the contract and

workshop drawings and shall mark on a set of prints an accurate record of all work as

actually installed.

During the progress of the work The Contractor shall have recorded on AutoCAD files,

as specified, the installations as actually built, and shall submit these to the Consultant for

checking. Upon approval by the Consultant of these drawings The Contractor shall

provide at his own expense sets of prints as specified elsewhere. In addition The

Contractor shall provide sets of correctly recorded diagrams, schedules of equipment,

piping, fittings and all information regarding the installations as actually built.

The Contractor shall in addition retain one copy of each of the "as installed" drawings

and schedules for use by him during the Defects Liability Period.

11. EQUIPMENT DEVIATIONS

The dimensions and ratings of equipment specified herein or indicated on the drawings

are intended to establish the outlines and characteristics of equipment Supplied by the

particular manufacturers specified. Where The Contractor intends to use an item of

equipment other than that specified or shown on the drawings or in the Schedule of

Technical Data in the Contract, he must apply in writing to the Consultant and await

written approval before proceeding.

12. PACKAGED EQUIPMENT

Where packaged or unitary equipment is specified or offered against this Specification,

such equipment shall be modified to conform with the requirements of this Specification,

whether or not this requires modification of the Manufacturer's standard construction.

The fact that the Tenderer may have offered a particular packaged item by name shall not

absolve him from modifying it to meet the Specification.

13. SAMPLES AND PROTOTYPES

Samples of materials and items described as "to be approved" shall be delivered to site at

least 15 days before approval is required. Two samples shall be supplied of each item

required, each one to be properly identified and marked with the suppliers name and

model number. One of the samples shall be held on site, the second shall be returned to



The Contractor/Manufacturer once it has been viewed and comments have been received

from the Project Manager. On acceptance the samples will be marked with date

approved and by whom

Submit the following sample fittings and accessories to obtain approval of the C Project

Manager before installation:

- Light Fittings;

- Power Outlets, Switches.

- Conduits, Cables, Cable Tray, Trunking ….

Arrange for the Project Manager to inspect the samples to obtain approval and acceptance

in writing of the offered samples.

The approved samples shall be retained on site for reference purposes until completion of

the work. All such materials used in the work covered by this specification shall conform

with the approved samples.

The Project Manager will be at liberty at any time to test or analyse samples of any

materials brought onto the site and intended for these Works.

In addition to the above requirements for the production, submission and approval of

samples and prototypes, the Contractor may prepare an area in advance of the general

construction cycle. The purpose of this area shall be to ensure co-ordination of all

services and finishes and as a display area. Provide and install all samples and prototypes

required for such an area as directed by the Contractor.

14. RADIO INTERFERENCE

All equipment and/or appliances provided under this specification shall be designed so

that no interference will be caused with any radio or other electronic transmitting or

receiving equipment in the same locality. In the event of the inherent characteristics of

the electrical installation being such that interference is possible, efficient devices or

screening techniques capable of eliminating such interference shall be provided at The

Contractor's expense.

Define the areas susceptible to interference prior to the purchase of equipment and

appliances and advise the Consultant of the methods to be adopted to reduce the



interference.

15. WORKMANSHIP AND MATERIALS

The Contractor shall provide skilled and expert labour as necessary to carry out the work

in the best possible manner. The quality of workmanship shall be of first grade and in

accordance with the highest standards of the respective trades. Workmanship of poor

quality or of an unacceptable standard will be rejected by the Consultant and must be

replaced by The Contractor at no extra cost to the Principal with workmanship of the

required standard.

All materials, fittings, accessories and apparatus are to be of first grade design and

manufacture and are to comply with the British standard or relevant specification. All

materials, fittings, accessories and apparatus shall be new and shall be of current model

and design unless specified otherwise. The Contractor must Submit for the approval of

the Project Manager prior to commencing installation, a list of all accessories, fittings and

apparatus which it is proposed to employ in the work, and only such items as have been

approved may be installed. Failure to comply with this provision will result in the

unconditional rejection of such items when inspected on site.

Where directed by the Project Manager "approved" samples shall be kept on site. Each

item of equipment shall be a standard catalogue product of an established, reputable,

approved manufacturer. All similar equipment shall be of the same manufacture, type,

class and finish, unless otherwise specified.

Where manufacturer catalogue numbers or types are specified or shown on the Drawings,

they are generally intended to be used as a guide, and are not intended to take precedence

over the basic duty and performance specified or shown. In all cases, verify the duty with

the particular characteristics of the equipment offered for approval.

Where no alternative materials are noted in the specification or on the drawings and

where the words "equal", "approved equal", "as approved" etc do not appear, the exact

make specified must be Supplied and installed. No alterations will be permitted in the

lists of manufacturers and suppliers Submitted by The Contractor with his Tender or

Subsequently without the written approval of the Project Manager.

Should The Contractor install materials and/or equipment other than by the approved

manufacturer or supplier, such items may be rejected on site. All such rejected items



shall be removed from the site as soon as possible and be replaced by approved items at

no cost to the Principal.

The replacement of any such items shall not constitute grounds for any variation or any

extension of time.

The Contractor shall take every care to avoid damage to fittings, surfaces and equipment

in the premises and any damage caused by his staff and/or the works of his Contract shall

be his responsibility and shall be made good at his expense.

16. PRECAUTIONS IN CARRYING OUT WORKS

Where any current Standard published by the Standards Association of Australia is

appropriate to storage, transport and use of materials, plant and equipment, to work

processes or to safety precautions the provision of such Standard shall be observed except

if they conflict with any statutory or special requirements of proper authority in which

case the latter shall apply.

In the absence of any such statutory or special requirements or relevant Standard, The

Contractor shall ensure that suitable procedures are observed and all proper care is taken.

During construction, cleaning all equipment unfinished in a safe place and protect

equipment from damage or loss.

17. SCAFFOLDINGANDLIFTING QUIPMENT

Unless specifically instructed otherwise, provide all necessary temporary lifting

equipment, scaffolding, framing or other supports to enable installation and access to the

work.

18. SEALING OF PENETRATIONS

a) Waterproofing of Penetrations

Floor penetrations for cable risers shall be made weatherproof progressively during the

construction of the works to minimise weather damage or effects of internal flooding

within the building.

b) Acoustic Sealing

Wherever services penetrate walls, floors or ceilings, acoustic sealant shall be supplied



and installed to maintain a degree of acoustic separation at least equal to the materials

penetrated.

c) Fire Barrier Penetrations

Where services penetrate fire walls, ceilings, floors or other fire rated barrier, sealant for

those penetrations shall be sealed to the approval of the Authorities.

19. FIXINGS AND PLUGS

Holes shall be drilled by electric or compressed air drill wherever possible. Explosive

charge fixing devices shall not be used.

Where devices are required for attaching materials or equipment to the building approved

metal expansion devices shall be used when and where approved by the Consultant.

Wooden plugs will not be permitted. Approval of the Consultant shall also be obtained

prior to drilling to ensure that any post tensioning cables in the slab are not damaged.

The Contractor will mark the location of all such cables.

Cadmium plated expanding metallic type masonry anchors shall be used for fixings in

concrete, clay or concrete brickwork. Except in fire isolated stairways and tunnels

conduits may be saddled to walls and ceilings using "Tappits" or similar fixing devices.

Fixed or suspended light fittings shall be supported from the concrete slab using

"Dynabolts" or "Ramset" fixings.

Bolts or machine screws with nuts, washers and anti-vibration devices shall be used

where necessary for fixings into metal.

Plugs may be used for screw fixing to masonry construction including plastered

expanded metal. Such plugs shall be used only for minor shear loadings. Holes and

inserts and PVC screw anchor plugs, "Expandet" brand or equivalent shall be correctly

sized.

Cadmium plated bolts, screws and washers shall be used in all instances.

20. STORAGE AND PROTECTION

The Contractor shall be responsible for proper storage and protection of apparatus,

materials and equipment on any site adjacent to, associated with or the Subject of the



works.

Upon delivery to site all materials and equipment shall immediately be secured properly

stacked and protected from the weather dampness and dust with particular attention to

preventing ingress to working parts and pipes. The Contractor shall be responsible for

storing all equipment which cannot be accommodated on site.

The Contractor shall be instructed with regard to storage of materials, particularly heavy

loads. All equipment and materials shall be stored clear of floor slabs on timber packers.

Special care shall be exercised to prevent the ingress of dirt, moisture and foreign

Substances into conduit pipes, duct and equipment. Should such ingress occur carefully

remove the offending matter and thoroughly clean the conduit pipes, ducts and equipment

to approval.

When any room in the building is used as a shop or storeroom in connection with these

works all resulting making good and repairs, patching or cleaning of the room arising

from such use shall be carried out prior to completion of the works.

Mixing of any materials on the floors other than where such material is finally to be

located shall not be permitted.

Fittings or other equipment shall not be used as a place for depositing tools and materials,

as a means of supporting scaffolding or for use as a work bench.

21. DIMENSIONS

Dimensions must be checked before work is put in hand or prefabricated. All invert

levels on the drawings are recommended only and must be checked on site before

excavation or installation of pipework to ensure connection to supply services and correct

cover and fall.

22. LABELLING

All switches, fuses, relays, terminal strips, circuit breakers and compartments shall be

comprehensively labelled to clearly indicate their function.

Labels shall be of Sandwich Ivorine or Traffolyte material, white with black lettering for

normal power and white with red lettering for standby power.



Circuit breaker labels shall include base rating and protection setting.

Submit all label schedules for approval prior to manufacture.

The labels on switchgear protecting outgoing circuits and sub-mains greater than 6

sq.mm per phase shall include the cable size, number of cores and cable type.

Labels for fuse combination units shall include both fuse rating and frame rating.

Each power outlet shall be engraved or fitted with a means of identification, indicating

the circuit protective device and the distribution board to which the switch or outlet is

connected. In the case of metal-clad power outlets, or equipment isolators, this means of

identification shall be 5mm uppercase engraving red filled or an ivorine label, screwed to

the metal casing of the switch or outlet, the label to be 10mm wide with 5mm lettering

(white) on a black background.

For outlets and equipment other than metal-clad, engraving shall be 3mm uppercase red

filled or circular tag labels equal to those referred to as "IPA studs".

Where consumer main and sub main cables enter and leave trays, racks, troughs or ducts

along their route length and at each end they shall be labelled according to the cable

schedule, or as directed with stamped aluminium or brass tags attached with nylon straps

or other approved means. Such straps shall be used to tie together single core cables of

the one circuit.

Where extra low voltage dichroic lamp luminaires are used within the installation a label

shall be attached to each switchboard stating the following, "Warning: Ceiling mounted

recessed extra low voltage lighting fittings are installed in these premises. In order to

avoid the risk of overheating they MUST NOT be covered by thermal insulation".

23. POWER FACTOR, BALANCING & VOLTAGE DROP

Ensure and be responsible for the final installation having:

- An overall power factor min. 0.85;

- The balance of over phases follow current standard;

- A voltage drop ensure that voltage drop does not exceed 5% from the point of

connection to the furthest outlet during normal conditions of operation.



- All of the above to the satisfaction of the Local Power Company.

24. EARTHING

Earthing of the complete electrical installation shall be strictly in accordance with the

requirements of the SAA Wiring Rules, and the special requirements of the specification

and the Local Power Company.

Earth conductors, excepting earth conductors in insulated and sheathed cables, shall be of

annealed stranded copper of a size not less than 2.5m2 and shall be insulated and enclosed

in conduit with the respective circuit wiring. Earth conductors in insulated and sheathed

cables shall be a minimum of 2.5m2.

The whole of the system shall be mechanically and electrically continuous throughout.

All general purpose power outlets and light fittings shall be earthed.

25. COLOUR CODING

The correct phase colour for each active conductor shall be extended throughout all

circuits.

26. SITE CLEANLINESS AND REMOVAL OF RUBBISH

The Contractor shall remove from site all rubbish, debris, material cuttings and other

redundant materials which result from the works of this Trade-contract, progressively and

whenever directed by the Contractor

On completion of the work, promptly remove all materials and equipment from site,

except such materials and equipment which the Principal has agreed to store for use

during the Maintenance Period or as are required for testing.



ELECTRICAL COMMISSIONING

AND MAINTENANCE



1. ELECTRICAL COMMISSIONING

1.1. GENERAL

1.1.1. FUNCTIONAL DESCRIPTION

A specialist team is to be engaged tocarry out the commissioning of theelectrical

services. This team may consist of the contractors employees, if their experience and

aptitude isapproved.

The commissioning of the electricalsystems is a critical stage and the specialist team need

to be involved withthe project from an early stage. This should be approximately 1

month prior to the availability of permament electrical power to the site.

A fully commissioned and documentedsystem is required at the end of theproject, and

this section of thespecification describes the minimumactivities required.

1.1.2. CROSS REFERENCES

General

Refer to the General requirementsworksection.

Related Worksections

Electrical General Requirements, MV Switchgear, Transformers, Switchboards,

Switchboard Components, Motor Starters, Generating Sets, Lighting, Lightning

Protection, Fire detection & Alarms

1.2. COMMISSIONING

1.2.1. GENERAL

All testing shall be in compliance with relevant Standards.

All testing shall be scheduled and approved.

Complete test and inspection records shall be made and incorporated into a report for

each piece of equipment tested. All readings taken shall be recorded.

Following established procedure, equipment will be, energised after certification that the

installation is satisfactory. Final operational tests shall determine that the wiring

connections are correct.



1.2.2. INSPECTION AND TESTING

System testing schedule

Test Demonstrate Hold point

Dielectric Tests on all electric

cables, components and accessories

to IEC/BS.

Functional and operational

testsafter protective and control

devices have been installed and

connected.

Functional testing

Operate mechanical devices, relays,

programmable logic controllers and

logic control, protection,

interlocking and alarm equipment.

Verify time/current

characteristics and settings on

adjustable trip circuit breakers

after installation and before

energisation.

Interconnected systems

Functional and operational

performance

All systems in accordance with the

performance required for this

project

Performance and

interoperability between

systems



Material inspection and testing schedule

Inspection/test

Requirement or

acceptance

criteria

Method

Frequency

Hold/witness

status

Accessories Straight and

level

Site

inspection

Once on

completion

Completion

Conduit and cable

tray

Straight and

level

Site

inspection

Site

inspection

Progress status

Insulation resistance IEC/BS IEC/BS Once on

completion

Completion

Touch potential IEC/BS IEC/BS Once on

completion

Completion

Lightingperformance Lux/colour

Meter Once on

completion

Completion

Emergency and

evacuation lighting

IEC/BS Meter

6 months Completion

1.2.3. TEST INSTRUMENTS

All instruments and appliances required far testing shall be furnished for theduration of

the tests.

Gauges, thermometers or other instruments specified as a permanent part of the

installation may be used for testing purposes.

Test instruments shall be tested for accuracy by an approved laboratory and recent test

certificates shall be made available prior to testing.

1.2.4. TEST REPORT TERMS

The results of all testing shall hesubmitted in a neat and legible manner.



1.2.5. INFRA RED THERMOGRAPHIC TESTS

Infra red thermographic tests shall beconducted after Practical Completion asfollows:

(a) When the electrical system is loadedto 50% of its maximum demand or, 10 to 12

weeks after practical completion, whichever occurs first.

(b) One month before the expiry of theWarranty period.

(c) Subsequently, after the expiry of the Warranty period, at six monthly periods, at rates

to be negotiated.

(d) If "Hotspots" or overheating issuspected from the results of the tests carried out under

(a) to (c) above, the defective components shall be rectified and another thermographic

test shall be conducted after rectification of the fault. In this case; the test can be limited

only to the faulted equipment.

Thermographic scanning shall beconducted only after the electrical installation has

been under load for a minimum period of one hour.

Tests shall be conducted on the main switchboard, busducts, distribution boards and all

electrical connections and components rated at, or greater than, 60A per 3 phase; or 50A

per single phase.

The test instrument used shall provide computerised processing of images andbe able to

record actual temperatureprofiles of the component under test toproduce a COLOUR

image.

Submit a detailed report, complete withhard copy printouts & photographs of the

installation, taken as normal images and as COLOUR infra red images.

1.2.6. LIGHTING LEVELS

Record lighting levels in all areas on a 5m x 5m grid. Tabulate results against specified

design levels.

1.2.7. COMPLETION

General

General: When the installation is complete, commission the installation byputting it into

working order and operating it for at least the designated running period. Make the

adjustments necessary to achieve the designatedperformance under continuous operating

service conditions, including balancing,setting the controls, checking the operation of



overload and safety devices, and correcting malfunctions.

1.2.8. CLEANING

General

At practical completion, clean the following:

-Switchgear and contactors, and otherelectrical contacts. Adjust as necessary.

-Ensure all equipment requiring dust orwater protection is suitably protected. Prepare a

schedule of all suchequipment and certify the installationis satisfactory.

1.2.9. TRAINING

Operation

Provide instruction and operating procedures to be adopted for this project.

1.2.10. SPARES

Required spares schedule

Tools - all systems

Supply one set of special installation, operation and

servicing tools.

Indicator lights Provide 3 spare lamps and one lampextractor per 10

indicating lights. Locate in spares cabinet.

Alarm annunciators

Provide 3 spare lamps, lamp remover, screen remover (if

applicable), mountedon clips in the assembly enclosure

or inspares cabinet.

Fuse links Provide 3 spare fuse links for each ratingof fuselink on

each assembly. Mount spares on clips within the spares

cabinet.

2. MAINTENANCE

Regular maintenance

Make service visits and carry out the following procedures, as applicable:

- Service items of equipment.



- Check equipment items for operation, calibration, performance compliance,

temperature and energy consumption and record values.

- Check motors and machinery for excessive operating temperature, bearing noise and

excessive vibration. Record current draw of motors.

- Check condition of insulation, and repair.

- Check electrical and control systems, including safety limits for temperature,

pressure and humidity.



ELECTRICAL SERVICES



1. INTENT OF SPECIFICATION

This specification covers the Electrical Installation Works.

This specification is intended to cover the supply of all materials, all labour,

transport, tools, plant and everything else necessary for the construction,

installation, testing, commissioning, and 12 months Maintenance and Defects

Liability of the equipment and systems described in this technical specification,

together with all minor and incidental work not specifically mentioned herein, to the

true intent and meaning of this technical specification and the drawings.

All works noted and/or described in this specification and associated drawings, shall

be carried out by this Contractor, unless otherwise noted as being done by others.

This Contractor shall be responsible for the installation and method thereof of all

specified works and all shall be to the Engineer’s approval.

All workshop drawings prepared by the Contractor shall be submitted to and

approved by the Engineer prior to any work being commenced.

2. CONTRACTORS RESPONSIBILITY

As detailed further herein, this technical Specification is concerned with the

distribution and reticulation of electricity throughout the Building. The Contractor

shall hold current Government work permits and Authority to allow him to carry out

the herein specified works.

The Contractor shall be responsible for obtaining all necessary permits from all

governing Authorities before work commences, during the process of the works and

at Completion of the works.

The Contractor shall assist in the commissioning and assist the Client in obtaining

all Authority Certificates of Completion and ready to occupy.

The Contractor shall be fully responsible for ensuring that all equipment as

determined by him and supplied by him, fully complies with the specified

requirements and true intent of this specification.

3. SCOPE OF WORK



This specification covers the supply, installation, testing, commissioning, guarantee,

preparation of necessary drawings, operating instructions and manuals, all associated

with the electrical services, to the extent specified herein and as shown on the drawings.

The specification and drawings are intended to include everything for the proper

completion and setting into effective operation of the complete Electrical Installation.

The works shall include but not be limited to the provision of the following:

The supply and installation of L.V. Main Switchboard.

The supply and installation of various L.V. Distribution Switchboards.

The supply and installation of all submains including cable trays, ducts, conduits etc…

The supply and installation of a combined L.V earthing system in the L.V. equipment.

The supply and installation of a separate telephone earthing system.

The supply and installation of a lightning discharge earthing system of building.

The supply and installation of complete lightning surge arrestor system throughout whole

building.

The supply and installation of all light and power connections, specified power sockets,

power connections to Mechanical, Fire, and Hydraulic plant etc.

The supply and installation of all lighting fittings

The supply and installation of all emergency lighting fittings and exit signs.

The supply and installation of telephone system.

The supply and installation of data network.

The supply and installation of a CCTV and access control system.

The supply and installation of a roof mounted lightning protection system.

Supply of spare parts

Miscellaneous work as specified.

12 months warranty.



“As-installed” drawings and Operating and Maintenance Instruction Manuals.

3.1. WORK BY OTHERS

Other Contractors will provide the following works:

Arranged by Owner

Supply and installation of telephone handsets

Supply and installation of all office computer systems (IT).

Principal Contractor

The building structures and finishes generally.

Provision of concrete plinths as detailed by this Contractor. (The Electrical Installation

Contractor).

Provision of all coreholes and penetrations as detailed by this Contractor.

The provision of access panels in ceilings to details provided by this Contractor.

All sign writing required.

Temporary 380/220 Volt power and lighting for the construction period.

All standard electrically operated sanitary fixtures and fittings.

All sanitary conveniences during construction.

Mechanical Services Contractor (Subcontractor to the Principal Contractor)

Plunbing Contractor (Subcontractor to the Principal Contractor).

Supply and installation of all Hydraulic Services.

Supply and physical installation of electrical operated valves for sanitary fixtures and

fittings.

Fire Services Contractor (Subcontractor to the Principal Contractor).

Supply and installation of all Fire Services.



It shall be clearly understood that apart from the work provided by the Owner as above,

the Principal Contractor has overall responsibility for all Engineering Services

irrespective of the division of responsibility referred to above.

The Electrical Installation Tenderer shall ensure that he and the Tenderer for the Principal

Contract works fully understand this clause and the Introduction.

3.2. APPLICABLE STANDARDS

The standards which shall apply throughout this contract are the appropriate Australian

Codes. BS, IEC, Tiêu chuẩn Việt Nam, so some normalization associated Other as in

materials/equipment (Technical Schedule). All of which are applicable in Vietnam under

the Vietnamese Building Code.

3.3. STANDARD OF MATERIALS AND WORKMANSHIP

All electrical equipment shall be new and of first-grade quality as regards design,

manufacture and installation, and shall be complete for satisfactory operation, control

maintenance and safety under all conditions of service.

To a minimum standard, all electrical equipment shall comply with the most recent

appropriate specification of the Standards Association of Australia.

The installation shall be carried out in accordance with this Specification, and any special

requirements of the Supply Authority.

Workmanship shall be of the highest class throughout and all manufacture shall be to

such tolerances as to ensure that similar parts of equipment are interchangeable.

Uniformity of type and manufacture of each individual fitting and accessory shall be

preserved throughout the whole installation.

The Contractor shall supply samples of all electrical equipment he intends to supply and

to use to the Engineer for his approval before the Contractor places bulk orders for such

equipment. Unapproved equipment and materials found on site (installed or otherwise)

may be rejected by the Engineer and as such must be removed from site immediately.

It should be understood that where trade names are mentioned within this Specification or

shown on the associated drawings, it is not intended that the particular brand or type be



considered exclusively. Brand names of fittings have been included solely for the purpose

of conveying the general type and standard of fitting or component desired. Where

Tenderers desire to propose an alternative to the type or brand mentioned within the

Specification, they must clearly set out the alternative offered in their tender form.

It must be clearly understood that all equipment shall be adequately protected against

corrosion. In particular all made up brackets, suspension rods etc etc must be hot dip

galvanized

3.4. POWER SUPPLY

Power supply for the project is feed from Tan Tao Development projects via two L.V.

underground cable ways.

4. EARTHING SYSTEM

The Contractor shall supply and install a complete system of earthing to effectively earth

the main switchboard, distribution boards and all other equipment in the installation.

Earth conductors shall be extended with the submains so that all light and power

distribution switchboards, mechanical services switchboards, conduits, cable trays

trunking plant, equipment, general purpose outlets, metal plates, fluorescent light fittings,

etc., are effectively earthed using a multiple-earthed neutral system.

The main electrical earthing system shall be extended from a series of earthing electrodes

which shall consist of a solid steel core bonded to an outer casing of electrolytic copper.

The rods shall be of minimum length 2.4m and minimum diameter 16mm and be screw

fixed into each other.

The earthing conductors shall be extended via busbar from the earthing electrodes

generally as shown on the drawings.

Earth continuity shall be maintained throughout the installation.

The Main Earthing System as described above shall be one (01) of four (04) separate

earthing systems and it shall have no connections with the separate Lightning Charge

Dissipation Earthing System, nor with the separate telephone earthing System nor with

the separate computer earthing system.



The Contractor shall be responsible for obtaining Test Certificates from a recognised

Authority confirming that the earth resistance of the Electrical and the Lightning earthing

systems are satisfactory.

4.1. LOAD BALANCE

It shall be the Contractor's responsibility to ensure that the whole of the electrical

installation is balanced over the three phases of supply.

4.2. VOLTAGE DROP

Notwithstanding anything stated to the contrary or shown on the drawings or included in

the Contractor's quotation, it shall be the Contractor's responsibility to ensure that all

conductors installed are sized in strict accordance with the respective voltage drop rules,

as stated in the relevant Wiring Rules.

Twenty percent (20%) spare capacity shall be allowed on all final sub-circuit cables to

cater for future additions.

5. SWITCHBOARDS

The Contractor shall install all switchboards throughout the project.

In particular the following switchboards shall be provided:

The Main Low Voltage Switchboard.

The various L.V. Distribution Switchboards

The Contractor shall protect these switchboards when they are delivered to site from the

weather and from damage and from theft.

The switchboards shall be installed generally as shown on the drawings and the

Contractor shall ensure that all switchboards will fit through available openings and into

their allocated positions with no need for delays or alternations to building works.

Maintain all specified clearances and protection from weather.

Maintain all specified clearances and protection from weather

5.1. THE MAIN LOW VOLTAGE SWITCHBOARD

5.1.1. General



The switchboard shall be of the indoor, metal enclosure cabinet, Fully Type Tested IEC

439-1 (TTA) or ASTA, air break type suitable for operation in the location as indicated

on the drawings.

The switchboard shall be dead front, totally enclosed, unitised, dustproof, top or back

connected as specified and constructed generally as described below.

Unless the main switchboard is located in a separate switch room arranged for entry by

authorised operators, the switchboard shall be provided with full height lockable door

panels over each module of equipment to prevent unauthorised operation.

5.1.2. SHOP DRAWINGS

Shop drawings shall be provided and shall include plans, elevations, sections, details and

schematic wiring diagram to show makeup of switchboard and distribution boards to full

compliance with Contract Drawings and Specification.

Shop drawings shall be issued to all relevant Consultant/Authorities for approval prior to

manufacture.

5.1.3. MECHANICAL CONSTRUCTION

The Switchboard shall be Top or back connected and shall be constructed to conform to

the requirements as nominated in the Design Requirement section of this Specification.

The switchboard shall be capable of withstanding the thermal and magnetic stresses set

up by a designed fault level. This fault level shall apply to all busbar and busbar

connections up to the line side of all circuit breakers switch fuse units and isolator

switches.

The switchgear shall be of the self supporting type designed to allow maintenance,

inspection and testing to be carried out safely and easily.

The equipment shall be dust, drip and vermin proof, and damp protecting in accordance

with BS2817 or IEC 947-2, and these requirements shall be met whether the equipment is

in the ‘service', ‘test' or ‘isolated' position.

The switchgear shall be provided complete with all Air Circuit Breakers, CFS Units,

Isolators, and other electrical components necessary for the correct operation and



protection of the installation as described in this specification and shown on the

drawings.

The overall height of the switchboard shall not exceed 2200mm above floor level.

Operating handles shall be so located that the highest and lowest points reached by an

operator's hand shall be within the limits of 2000mm and 300mm above floor level. If the

switchboard is installed in a basement switch room adjacent to car parking spaces then all

electrical equipment shall be arranged such that live parts are positioned a minimum of

500mm above floor level.

The switchboard shall be constructed from non-hygroscopic and non-inflammable

materials, and shall be such that eddy current and hysteresis heating in the enclosure is

eliminated.

Doors or lift-off panels as applicable, shall be fitted to the front of cubicles, and unless

otherwise noted.

Switchboards containing contactors, relays or motor control centre type equipment shall

have access doors locked with budget Tee handle operators to prevent unauthorised

access.

Doors shall be constructed of material of the same type and thickness as that used in the

manufacture of the switchboard cabinet, pressed or rolled to give a neat rounded finish.

A stiffening channel of a broad "U" section with returned edges shall be spot welded

down the centre of the door for its entire length. The rims of the door shall have a 12mm

x 6mm thick natural foam rubber seal glued and retained within a metal channel around

the entire perimeter so as to form a dustproof seal when the doors are in a closed position.

Hinges shall be large chromed pintal types so arranged as to permit the door to be lifted

off, and open through a minimum of 120 degrees.

Door handles shall be chrome plated or of non-rusting material, fitted with a barrel lock

and a latch operated rod fastening both top and bottom of the door. All locks shall have a

common key.



Where removable access panels are required, they shall be of similar construction to the

doors. Access panels shall be fitted with lifting handles where greater than 0.6m2 and

retaining clips or locating pins at the bottom and chrome plated dome nuts or captive

chrome plated knurled or ‘Phillips’ head set screws with locating cores at the top.

Natural rubber foam gaskets shall be fitted to all access panels.

Insulating panels, mounting brackets and all necessary connections shall be provided to

all spaces for the connection of future equipment.

All exposed welds shall be full filled welds ground and machined smooth and wall weld-

spatter shall be removed. Internal welds may be tag welds provided satisfactory structural

strength is achieved.

The dimensions of the weld shall be such as to provide adequate penetration and strength

to the component concerned to enable it to fulfil its normal service function.

All joints, particularly lap joints and joints to the framework shall be completely and

continuously welded throughout the entire periphery of the section to avoid differential

oxygen concentration between the outside and inside of the joint.

5.1.4. BUSBARS

The busbar configurations shall match incoming conductors and phase rotation shall be

uniform.

Busbars shall be of high conductivity hard drawn copper with continuous current ratings

as detailed. Ratings shall be considered to be nett values after any applicable de-ratings

have been applied relative to the mounting or assembly.

Busbars shall be rated to match the frame rating of the switchgear connected thereto.

Drilled busbars and supports shall be fitted for incoming and outgoing supplies, future

switchgear and CT's where detailed.

Busbar sections for CT mounting shall be readily removable.

All main interconnections and tee-offs in excess of 100 amp rating shall be busbar.



All busbars shall be machine bent and formed. Matching faces shall be smoothed by draw

filing or belt sanding before jointing. High tensile steel bolts with washers, torque

tensioned to the manufacturers recommendations, shall be used for all busbar joints.

Other approved proprietary busbar connection systems may be offered for switchboards

up to 15KA fault rating.

Pencils, crayons or dye shall be used when marking out busbars. Scribing of busbars will

not be permitted. Where scribing marks are found on busbars these will be condemned

and shall be replaced.

Busbars shall be bent and formed at radii appropriate to the busbar dimensions so as not

to mark or stress the busbar. All such marked or stressed busbar will be condemned and

shall be replaced.

Busbars assemblies shall be coloured by means of two coats of enamel on etched and

primed surface. The colouring shall be applied in 50mm bands on each busbar section in

each compartment.

Busbars for distribution boards shall be rectangular sections stamped in one piece.

Busbars shall be insulated with phase coloured thermoplastic insulation.

Busbar connections for Moulded Case Circuit Breakers (MCCB) and Miniature Circuit

Breakers (MCB) shall be installed so that either a triple pole or 3 single pole circuit

breakers can be mounted side by side.

Busbar supports shall be rigid and made of an approved insulating material, with

secondary insulation through each support for uninsulated busbars to prevent direct

tracking paths between phases and earth.

Neutral bars for each supply shall extend for the full length of each supply section of the

switchboard and be rated at 100% of the active conductor capacity.

Switchboards in excess of 900mm in length shall have neutral and earth bars extending

for their full length.



Each supply section of switchboards shall be fitted with readily accessible and removable

neutral and earth bar links permanently and legibly labelled.

Earth and Neutral bars shall be adjacent to each other in the cabling zones.

General light and power distribution switchboards shall be fitted with screw terminal type

neutral and earth bars. Connecting devices shall consist of tunnel connectors of 4.8mm

diameter with provision for lug or stud connectors for all cables greater than 10mm2.

5.1.5. CABLE ENTRIES

The switchboard shall be designed to accommodate cable entries for incoming and

outgoing services of the type and size shown on the drawings. Adequate space shall be

allowed for the termination and bending of cables within the switchboard compartments

in accordance with the cable manufacturer's recommendations.

The arrangement of cable terminations shall be such as to minimise the bending of cores

and make for easy termination. Cables shall be supplied within the switchboard so that

no stress is imposed on the termination.

All incoming and outgoing cables whether power or control, shall be terminated in the

fixed portions of units. All necessary cable boxes, gland plates, cable glands, cable trays,

cable lugs, conduit entries and accessories necessary for the termination of cables shall be

supplied by the switchboard manufacturer.

Internal connections shall be provided between terminations and equipment. If more than

one power circuit termination exists in a module or cable chamber section, such power

circuits shall be shrouded to prevent accidental contact by maintenance personnel.

5.1.6. PAINTING

Before dispatch from the manufacturer's works, the whole of the exposed metal work of

the equipment specified under these Clauses shall be painted with materials of approved

manufacture, composition and colour.

All steelwork shall be new and free from rust and scale. After degreasing, one coat of

etch primer shall be applied, followed by one coat of compatible undercoat and two coats

of synthetic enamel. All coats shall be stove baked to paint manufacturer's specification.



The finished colour of internal and external surfaces shall be the same and is to be as

scheduled in this specification. Equipment panels are to be gloss white.

Any defects which may occur during the maintenance period shall be made good. In

addition, any damage occurring during transit or erection is to be made good to a

standard equal to that of the equipment as originally manufactured.

The paint finish is to be repaired to its original condition using primer, undercoat and top

coats. Overall, the finish is to have a uniform appearance. Spot repainting which allows

colour differences to show will not be permitted.

Protective covers shall be provided for the switchgear during the construction phase and

up to Practical Completion.

Protective covers shall be to the approval of the Consultant and shall be removed after

Practical Completion.

5.1.7. COMBINED FUSE SWITCH UNITS

The fuse switches shall be triple pole with neutral link and the quick make/quick break

design complying fully with AS1775 or IEC 947-3 and IEC 269-1 and arranged to ensure

that operation is independent of the operator's control.

Fuse switch contacts shall be fully shrouded and each unit shall accommodate English

Electric HRC fuse links complying with the requirements of IEC 269 Class "Q1"

category. The fuse links shall be completely disconnected from the line and load contacts

in the "OFF" position.

An interlock shall be provided for each fuse switch to prevent the switch being switched

to the "ON" position with the cover open or the cover opened with the switch in the "ON"

position. The interlock shall be of a form which can be cancelled for maintenance

purposes.

Fuse switch(es) shall be tested and proved to be capable of closing onto and carrying a

through fault. It shall be capable of making and breaking three times full load current at

0.3 power factor.

Each fuse switch shall be capable of being locked in the "OFF" position and padlocking

facilities shall be provided on each CFS unit capable of incorporating a Supply Authority



padlock. The position of the switch indicator shall be operated by the moving contacts

themselves and not be dependent only on the operating handle position.

The switch operating handle shall not project beyond the flush front of the switchboard

when the switch is not being operated. Switch handle(s) shall not be detachable. Fuse

links shall be of the English Electric cartridge type, complying with IEC 269 Class Q1

and ASTA certified for category of duty 550 AC 80 and shall be supplied to the rating

specified on the Single Line Diagram.

5.1.8. PROTECTION RELAYS

Protection Relays shall be provided as shown on the drawings. The relays shall be

designed to disconnect faulty circuits with speed and certainty, and without interference

to healthy circuits. In addition they shall be designed to prevent incorrect operation of

switchgear as a result of transient or spurious conditions which may arise during faults

occurring in the Local Power Company's system.

Protection relays associated with a single circuit may be mounted on the switchboard

panels provided that the relays are mounted in such a manner so that mal-operation due to

vibration or other causes is impossible. Each relay shall be individually labelled as

described in latter clauses.

Protection relays shall comply with AS 1023 Part 2, BS 142 or IEC 947-2 and shall

operate from 5 amp secondary current transformers.

Protection relays shall be of the draw-out type contained in dust proof flush mounted

metal cases arranged so that on opening the cases it shall be impossible for any dust

which may have collected in or on the cases to fall on the relayed mechanism. All cases

shall be earthed.

All relays which are connected into trip circuits shall be provided with approved flag

indicators which, wherever possible, shall be of the mechanically operated type.

Indicators shall also be provided on additional relay elements in order to identify the

phase. Indicators shall be mechanically reset from outside the case.

All relays shall be provided with at least two separate pairs of independent contacts.

Relays required to operate with a time delay device shall not be of the dash-pot type.

Relay contacts shall be of silver, platinum or other approved material and shall be



capable of repeated operation without deterioration.

All relays shall be capable of making and breaking the maximum current which can

occur in the circuit they control. Relays shall not be affected by vibration or stray

magnetic fields.

Optimum plug settings shall be established on site during first commissioning in

consultation with the Local Power Company.

5.1.9. INDICATING INSTRUMENTS

Indicating instrument(s) and current transformer(s) shall be supplied and installed when

required, and shall be incorporated on the main switchboard.

Ammeter(s) shall be "M" and "W" type EQ144R or equivalent moving iron type

instrument(s). Over scaling 2 x rated current.

Maximum demand ammeter(s) shall be "M" and "W" type MEQ144, or equivalent and

shall have combined in the one instrument, 2 separate movements. One shall provide a

reading on a separate scale in amperes (rms) maximum demand (15 minute setting time)

with an external resetting knob and shall have a bi-metallic movement. The other

movement shall be a moving iron ammeter with a separate scale in amperes (rms).

Voltmeter shall be calibrated 0-500 Volts with scale background coloured RED between

0-400 Volts, GREEN between 400-440 Volts, RED above 440 Volts.

All instantaneous value indicating instruments shall be of the flush square pattern type

with quadrant scales (Length 140mm). Rated current calibration shall be shown.

Instrument transfer switches (ammeter and voltmeter) shall be installed as required.

Kilowatt hour meters shall comply fully with AS1284 or IEC Standards. Meters shall be

flush mounted, with black bezels and digital type readouts.

5.1.10. CURRENT TRANSFORMERS

Current transformers shall comply fully with the requirements of AS1675 or IEC 60044,

and unless otherwise indicated, shall have Class 2.0 accuracy and be of the through or bar

type pattern. They shall, with a 5 amp secondary winding, deliver a rated output of



15VA with a rated burden of 0.6 ohm. Ratios shall be as shown on the Single Line

Diagram.

All current transformers shall be held in place with busbar clamps, adequately separated

so that terminals are readily accessible. Busbars shall be so arranged that current

transformers may be easily removed and replaced. Current transformer test links and

potential fuses shall be provided and located for switchboard front access.

The secondary windings of each set of current transformers shall be earthed through a

link at one point only. The polarity of windings shall be marked with approved labels.

5.1.11. FUSES

All fuse fittings shall complying with IEC 269, Class Q1 and ASTA certified for category

of duty 550 AC 80. Note that Classes R and Q2 are not acceptable. Each fuse shall be

fitted internally with a marker indicating ampere rating of the fuse cartridge.

5.1.12. MINIATURE AND MOULDED CASE CIRCUIT BREAKERS

Miniature and Moulded Case Circuit Breakers shall be of approved manufacture and

shall be constructed and rates in accordance with AS 3111 or IEC 60898 or IEC 947-2

They shall be provided with combined inverse thermal and instantaneous magnetic

overload trip features, shall have quick make/break trip free operating mechanisms and

shall be fitted with operating toggles which provide "centre trip", "on" and "off" position.

Circuit breakers rated above 150 amps shall incorporate interchangeable trip units and

shall be connected so that their fixed contacts are connected to the line side and the

moving contacts to the load side of the breaker.

Where fault levels exceed that of the relevant circuit breaker, HRC current limiting fuses

shall be used to provide back up protection in accordance with the manufacturer's

recommendation.

5.1.13. LABELLING

All switchgear, apparatus, and controls shall be labelled in accordance with the Local

Power Company's requirements and in accordance with this Specification.



Unless otherwise specified, all labels shall be traffolyte engraved black lettering on

white. The size of lettering and the wording of labels will be subject to approval. Label

schedules shall be submitted prior to manufacture.

The switchboard shall be fitted with a main label mount in a prominent position.

Labels shall be secured with brass screws or steel screws which have been rust proofed in

an approved manner. Labels shall be secured in such a manner that they can be easily

replaced.

Labels shall designate circuit number and equipment function.

With the exception of labels conforming to those below, labels shall only be fastened to

removable panels or doors which are mechanically non-interchangeable. Labels shall be

fitted to the front and rear of all units and panels.

Labels engraved white on red in 12mm high letters and with the following wording shall

be fastened to all covers or panels giving access to bus chambers

`Danger - Live Bars Behind'

Terminal strips shall be labelled to identify the circuit number, phase connection,

terminal number and function - e.g. control, indication, protection, etc.

Control relays, timers, fuses and other items of switchgear located on common panels

shall be clearly labelled to identify circuit number, function and rating. Additional

information including terminated cable size/type, fault level, fuse rating, circuit breaker

rating shall be provided on each switch/isolator label.

5.1.14. ZONING

The main switchboard shall be physically divided and clearly zoned "Essential" and "Non

Essential" as shown on the drawings.

5.1.15. AUXILIARY RELAYS

Auxiliary relays shall comply fully with the requirements of AS1431 and where

practicable, shall be of the plug in type and have silver to silver contacts with an inherent

self cleaning action.



Auxiliary relays shall close satisfactorily at 80% nominal Volts and hold in satisfactorily

at 65% nominal Volts.

Auxiliary relays shall have a minimum of 6 contacts rated at 5 amps minimum for an

inductive load. However, contacts shall be capable of carrying and breaking without

damage, the inrush and operating currents of circuits they are switching. The contact

arrangement must be easily alterable.

5.1.16. TIMING RELAYS AND TIMERS

Where possible, timing relays are to be plug-in type and of the same manufacture as

auxiliary relays. Timing relays shall operate under the same conditions as auxiliary

relays and shall have contacts rated at a minimum of 5 amps inductive load. The timing

device shall not deteriorate with age.

5.1.17. TIME CLOCKS

Time clocks shall be 365 day 24 hour electronic programmable type with a minimum of

four independently controllable output contacts.

5.1.18. CONTROL SWITCHES

Control switches shall be of the rotary pattern suitable for panel mounting and shall be

lockable in positions detailed on the drawings.

Control switches shall be double break type and rated at a minimum of 10 amps

inductive. The contact arrangement shall suit the application of the switch.

5.1.19. PUSHBUTTONS

Pushbuttons shall be of the oil tight pattern, heavy duty unless otherwise specified, and

rated at a minimum of 5 amps inductive. Pushbuttons shall consist of an actuating button

assembly coupled to an interchangeable contact assembly of sufficient poles to suit the

application.

Colour codes shall be :

"Close" or "On" –Green

"Open" of "Off" – Red

"Reset" and Pushbutton bezels shall be Black



5.1.20. INDICATING LIGHTS

Indicating lights shall be of the domed glass or plastic lens type employing MES, SES or

SBC connected lamps at 6 watts. The indication must be clearly visible from the sides or

front at a distance of 15 metres in a normally illuminated room. Indicating lights shall

have black bezels.

The bodies of indicating lights shall be ventilated to ensure efficient heat dissipation.

Connection to lights shall be by screw or clamp terminals; soldered terminations are

unacceptable.

Colour codes shall be:

- De-energised – Green

- Energised – Red

- Abnormal condition – Amber

- Other functions - Blue or White

5.2. DISTRIBUTION BOARDS

5.2.1. GENERAL

Supply and install all floor distribution boards indicated on the Single Line Diagram in

accordance with this part of the Specification.

All distribution boards shall be surface or recessed mounted, as indicated on the

drawings, and of the totally enclosed "dead front" type for indoor use, of dust protected

construction, being provided with doors to cover all circuit breakers, fuses, flush isolating

switches, push buttons and control switches. The distribution boards shall be fitted with

amply proportioned sections extending to the floor and to the ceiling to act as cable ducts

for incoming and outgoing cables.

Distribution boards shall be fabricated from a minimum 1.6mm sheet steel using folded

sections and/or angle iron bracing where necessary for stiffeners and all joints shall have

continuous seam welds.

Doors shall be provided on all distribution boards. They shall be mounted on concealed

type non-ferrous hinges and fitted with snap catch mechanism and lock. The doors shall



be fitted with neoprene sheathed sponge rubber dust proofing gaskets. The gaskets shall

be retained within a metal channel section spot welded to the door to prevent lateral

movement of the gasket.

The distribution boards shall be capable of with standing the thermal and magnetic

stresses set up by a fault consistent with the fault rating on the main switchboard.

DIN Rail type distribution boards are not acceptable unless specifically approved by the

Consultant.

Main busbars for both fuse distribution boards and Moulded Case Circuit Breakers

distribution boards shall be copper busbar with milled rounded edges of the appropriate

size for the maximum demand current for the switchboard but in no case shall such

busbars be less than 12mm x 3mm or equivalent cross sectional area. Where the cross

sectional area is reduced by drilling to take brass or copper tongues or fixings for take off

lugs, the tongues or lugs shall be brazed or satisfactorily fastened in position so as to

maintain the conductivity of the busbar. Neutral bars shall be rated at 100% of the active

conductor capacity.

Fuses shall be connected to the supply by copper busbar, which has been fitted with brass

or copper tongues, minimum size 3mm diameter, brazed to the busbar.

Moulded Case Circuit Breakers shall be connected to the supply by copper busbar with

cross connected take off lugs of minimum size 12mm x 1.6mm. Take off lugs shall be

brazed or suitably pressure riveted to the main busbar.

The whole busbar, including tongues and take off lugs shall be insulated with 660 Volts

Nylex sleeving or similar thermo plastic materials which shall be of the appropriate phase

colour.

Supply and fit in all distribution boards, neutral and earth bars containing as many ways

as the maximum possible number of circuits that can be accommodated within the

enclosure both initially and in the future. Construct from copper or brass of rectangular

or square section. Provide approved cable lugs, connected to the bars by hexagon headed,

brass bolts and lock-washers for all incoming or outgoing cables of size 6mm2

or larger.

Provide tunnel type holes for the connection of smaller cables and provide two brass grub

screws per tunnel to retain conductors.



The main switch or main isolator on a distribution board shall be fitted in the top or

bottom centre of the cabinet. Provision shall be made for the future fitting of a time

switch and/or contactor to both fuse type and miniature circuit breaker boards.

5.2.2. CIRCUIT BREAKER TYPE DISTRIBUTION BOARDS

Circuit breakers shall be fitted to the take off lugs by stripping the PVC or plastic only as

far as is necessary to make connection to the circuit breaker. Spare take off lugs shall be

left coated.

The distribution board enclosure shall be fitted with approved type escutcheons hinged to

the main cabinet. Escutcheons shall be constructed so as to be rigid with angle

reinforcing if necessary. Edges shall be lipped, returned or welded to an angle frame.

Alternatively factory produced escutcheons may have edges which are machine cut to

give a neat edge, chamfered so as to be free from burrs or sharp corners.

Neatly fitting cut-outs for the breaker toggles must be provided and the escutcheons shall

be securely fixed to the enclosures free side by either chrome plated capture screws or

suitable spring clips.

Circuit breakers shall be mounted on a purpose made chassis, such that removal of

breakers does not disturb connections to remaining circuit breakers.

Spare space shall be provided for the future accommodation of circuit breakers as

indicated on the drawings in each section and the panels shall be fitted with the necessary

studs and busbar connections to facilitate fitting the additional circuit breakers at a later

date without disturbance to the existing installation. Cut-outs in the escutcheons for

future circuit breaker toggles shall be fitted with neat cover plates which are easily

removed when the additional breakers are fitted.

The whole switchboard shall be arranged so that all conductors immediately accessible

when the escutcheon is opened are insulated. All connection to busbars or switchgear

shall be either approved sheathed or shall be made behind removable cover plates.

Busbars, circuit breakers, earth bar and neutral link shall be mounted behind the

escutcheon plate.

Circuit breakers shall be moulded case constructed in accordance with AS 3111 or IEC

60947, of uniform type and manufacture, connected correctly at line and load terminals.



Dimensions shall be such that single pole breakers may be readily interchanged with

multi-pole types.

Circuit breakers shall be provided with combined inverse thermal and instantaneous

magnetic overload trip features, shall have quick make/break trip free operating

mechanisms and shall be fitted with operating toggles which provide "centre trip", "on"

and "off" positions.

Circuit breakers rated above 150 amps. shall incorporate interchangeable trip units and

shall be connected so that their fixed contacts are connected to the line side and the

moving contacts to the load side of the breaker.

Where fault levels exceed that of the relevant circuit breaker, HRC current limiting fuses

shall be used to provide back up protection in accordance with the manufacturer's

recommendation.

Circuit breakers shall be of the rating as shown on the Single Line Diagram.

5.2.3. DISTRIBUTIONBOARD LABELLING

All switchgear, apparatus, and controls shall be labelled in accordance with the Local

Power Company requirements and in accordance with this Specification.

Provide and affix to the door or escutcheon plate, of each distribution board, a white

Traffolyte label engraved with black lettering to denote details of supply, service, etc.

Submit proposed details of engraving for approval.

Labels shall be secured with brass screws or steel screws which have been rust proofed in

an approved manner. Labels shall be secured in such a manner that they can be easily

replaced.

Provide a typewritten circuit schedule and mount behind Perspex or glass. Indicate the

description of load, and circuit breaker rating, conduit and cable sizes. Each circuit

breaker shall be identified with its circuit designation by an adjacent approved label.

5.2.4. PAINTING AND FINISHING

Before dispatch from the manufacturer's works, the whole of the exposed metal work of

the equipment specified under these Clauses shall be painted with materials of approved

manufacture, composition and colour.



All steelwork shall be new and free from rust and scale. After degreasing, one coat of

etch primer shall be applied, followed by one coat of compatible undercoat and two coats

of synthetic enamel. All coats shall be stove baked to paint manufacturer's specification.

The finished colour of internal and external surfaces shall be the same and is to be as

scheduled in this specification. Equipment panels are to be gloss white.

All defects which may occur during the maintenance period shall be made good. In

addition, any damage occurring during transit or erection is to be made good to a

standard equal to that of the equipment as originally manufactured.

The paint finish is to be repaired to its original condition using primer, undercoat and top

coats. Overall, the finish is to have a uniform appearance. Spot repainting which allows

colour differences to show will not be permitted.

Protective covers shall be provided for the switchgear during the construction phase and

up to Practical completion.

Protective covers shall be to the approval of the Consultant and shall be removed after

Practical Completion.

5.2.5. ZONING

All distribution boards shall be physically divided and clearly zoned "Essential" and

"Non Essential" as shown on the drawings.

5.2.6. AUXILIARY RELAYS

Auxiliary relays shall comply fully with the requirements of AS1431 or IEC 947-5-2 and

where practicable, shall be of the plug in type and have silver to silver contacts with an

inherent self cleaning action.

Auxiliary relays shall close satisfactorily at 80% nominal Volts and hold in satisfactorily

at 65% nominal Volts.

Auxiliary relays shall have a minimum of 6 contacts rated at 5 amps minimum for an

inductive load. However, contacts shall be capable of carrying and breaking without

damage, the inrush and operating currents of circuits they are switching. The contact

arrangement must be easily alterable.



5.2.7. TIMING RELAYS AND TIMERS

Where possible, timing relays are to be plug-in type and of the same manufacture as

auxiliary relays. Timing relays shall operate under the same conditions as auxiliary relays

and shall have contacts rated at a minimum of 5 amps inductive load. The timing device

shall not deteriorate with age.

5.2.8. TIME CLOCKS

Time clocks shall be 365 day 24 hour electronic programmable type with a minimum of

four independently controllable output contacts.

5.3. MAINS AND SUBMAINS

5.3.1. General

This Contractor shall supply, install and connect all mains and submains cables of the

type and size indicated on the single line diagram, and other drawings, complete with all

accessories, ducts, conduits, trays, brackets, etc., necessary for their proper installation,

mechanical protection, support terminations, etc...

Each submain shall be provided with a stamped copper tag at the origin, indicating the

number and size of the cables. The cables indicated on the single line diagram have been

sized, assuming spacing of circuit will be in accordance with AS 3008. Therefore, no de-

rating has been allowed.

Should tenderers prefer to provide alternative spacing, any increase in cable sizes

necessary due to de-rating shall be deemed to be included in their tender price.

All submains shall be complete with an earth conductor as required.

All mains and submain cables shall be V75 grade PVC-insulated PVC-sheathed, copper

conductors or fire rated cables, as shown on the single line diagrams. No aluminium

conductors shall be installed

Pipe sizes shall be such that cables occupy less than 60% of the pipe internal cross-

sectional area.

The Contractor shall size the pipes and radius of bends to ensure that all cables may be



pulled through easily.

All mains and submains which are to terminate onto switchboards from above shall be

supported on overhead cable tray. All submain terminations (both ends) are included in

this contract.

Submains shall generally be installed on cable ladders, cable tray within switchrooms and

plant rooms, and within vertical risers and internal ceiling spaces, etc.

All groups of single core cables comprising three-phase circuits shall be run in trefoil

formation throughout the entirely of their route lengths.

Where submains are carried on a cable ladder or tray, this Contractor shall supply and

install all necessary hangers, etc., for cable tray, and these will need to be of sufficient

length to enable the cable tray to clear beams, etc., without any unnecessary changes of

direction.

Mechanical protection shall be provided when and as required, however, this protection

must be of a form which does not de-rate the cable.

Where cables rise vertically, the Contractor shall support these by cable tray with cable

cleats or clamps, the cable tray being securely fixed to holding brackets as specified.

Generally, all cable runs shall be completed in the one length of cable. If shall be the sole

responsibility of the Contractor to establish correctly the lengths of cable required to

successfully complete this work.

Any joints or additional cable required to complete the work, due to the Contractor’s

failure to establish these lengths at the time of tendering, will be the Contractor’s

financial responsibility, and the work shall be completed at the Contractor’s expense.

Unavoidable joints in PVC-insulated cable shall be “Scotchcast” cast-resin type to the

manufacturer’s recommendation.

Termination of cables shall be in strict accordance with the cable manufacturer’s

recommendations and procedures. The supply and fitting of all termination lugs and cable

glands and materials are in this contract.

Sub circuit cables which leave distribution boards either from the top or from the bottom

shall:



Be circular PVC, PVC cables each fitted with cable glands into a gland plate at the

switchboard.

Be single core PVC insulated cores enclosed in screwed galvanize conduit.

Bundles of single insulated cables enclosed in vertical ducts with clip on or screwed on

covers will not be acceptable.

All screw terminals shall be of an approved type having positive clamping arrangements.

5.3.2. Special Submains

The Contractor shall note the special 2HR fire rated submains which leave the Main

L.V.Switchboard and he must ensure that particular care is exercised during their

installation.

As shown on the single line diagram certain submains which leave the Main

L.V.Switchboard are not controlled by Main Switches.

The method of installing fire rated cables is important and must be to code requirements

and to the Engineers’ satisfaction.

5.3.3. Discrimination Study

This Contractor, the Electrical installation Contractor shall particularly note that a full

discrimination study on the overall distribution system has been undertaken by the L.V.

Switchboard Manufacturer.

As the installation progresses certain changes and additions to the distribution system

may be made.

This Contractor shall ensure that the designed discrimination system does not become

compromised.

This Contractor shall record each and every change to the switchboards and check that

the designed system is still functional.

Before Practical Completion this Contractor shall advise the Switchboard Manufacturer

of all changes to the switchboards and the switchboard manufacture shall adjust his “As

Delivered” drawings to reflect the “As Installed” conditions and insert the new drawings



into the switchboard O&M Manuals.

5.4. CONDUITS

Conduits shall be minimum 20 mm diameter first-grade galvanised steel where liable to

damage, or heavy duty PVC type complying with AS 2053, elsewhere.

Supply and install all conduits necessary to enclose TPI wiring using all sizes to permit

the easy drawing-in or removing of any one conductor while all others are in place.

Allow for withdrawing and replacing any conductors that may be selected on site to

ensure that the provisions of this foregoing clause have been complied with. Use no

conduit smaller than 25 mm in all slabs.

Rigid or corrugated PVC conduit and fittings or ductwork shall not be used in the

following locations:

Where subject to vibration or the need to be flexible.

Where exposed to mechanical damage, sunlight, or daylight.

Where subject to ambient or contact temperatures exceeding 60 C.

Where exposed to weather, in damp situations.

Where subject to normal industrial abuse which would, in the Engineers opinion, be

likely to cause damage to the installation (Mechanical plant rooms, generator room,

pump rooms etc.)

Within all ceiling spaces which are used as return air plenums.

In those locations as above, galvanized steel screwed conduit shall be used (Exposed

threads shall be aluminium lacquer painted) or PVC covered, plated steel flexible

conduits as in appropriate.

All conduits shall be concealed by running in slabs, ceiling spaces and wall cavities, by

chasing into rendered walls, etc., except in plant rooms, switch rooms and similar

locations. When exposed to view, install conduits parallel to building members and pack



out from walls or ceiling with spacers placed under each saddle. Single-leg saddles will

not be permitted.

Where conduits cannot be concealed they shall be steel and they shall be painted in with

the wall colour.

Conduits and wiring runs exposed in view shall be neatly set and be vertical, horizontal

and parallel to walls as applicable.

Saddle conduits at a maximum of 1200 mm centres to provide a rigid installation

throughout.

Install conduit and accessories complete with draw wires, and pull through a swab before

wiring any section.

All chasing for the concealing of conduits shall be carried out by this Contractor. Chasing

of walls shall be carried out using a power-operated abrasive disc. Patching and rendering

of chases will be undertaken by this Contractor.

Cut all conduit ends square and remove all burrs, rough edges, etc., so that conduits are

completely clean inside. Treat all threads in conduits with aluminium paint or similar, to

prevent corrosion at the joints and to preserve electrical continuity.

Burrs found inside any steel conduits will be reason for the Engineer to condemn the

complete conduit installation in the area concerned.

Inspection elbows are NOT acceptable as draw-in-boxes. Outlet boxes shall be of the

deep type placed so that the outlet face is flush with the finished surface of the concrete,

render or face of dry work. Conduits shall be arranged so that they drain naturally to each

box.

Pressed metal boxes shall be used for flush wall-mounting light switches, general purpose

outlets, telephone outlets, etc,. Boxes shall have adjustable threaded fixing devices to

permit flush-mounting of the cover plate. Flush wall boxes shall be provided for all

switches and outlets, and are to be mounted horizontally unless stated otherwise.



All wall boxes located in masonry walls shall be grouted securely in position by this

Contractor. All wall boxes located in steel frame cavity walls shall be secured to the

frames by this Contractor.

All bolts, washers, nuts, self-tapping screws, etc., shall be galvanized.

Use flexible conduit only where it is impracticable to carry fixed conduit into equipment,

or as may be directed on site.

Flexible conduit, either metallic or PVC, shall be used to connect all permanently-

connected appliances and motors. Screwed conduit glands shall be used both ends.

Where exposed to the weather flexible conduit shall be steel with an integral PVC

covering - use only approved screwed fitting glands to terminate flexible conduit.

Flexible conduit glands which use a grub screw to tighten against the links of the flexible

conduit shall not be approved.

Provide draw-in boxes at intervals of 30 m maximum to facilitate the drawing-in of

conductors on long runs, and use sets in lieu of bends or elbows.

Conduits installed for future wiring and services shall be provided with 1.2 mm

galvanized steel draw wire and a stamped metal tag indicating the service and area

supplied. Conduits shall be swabbed out to remove all moisture before floor or wall

finishes are applied. Conduits shall be fitted with a cap and sealed to prevent moisture or

obstructions entering; most particularly during concrete placement.

Fixing of equipment to in-situ poured concrete walls and slabs and in brick walls shall be

by means of stainless steel screws or bolts screwed into masonry anchors of the

expanding type.

Fixing to driven timber plugs is not acceptable.

Fixings to timber framing shall be means of brass or stainless steel wood screws. Details

of the type and method of fixing shall be approved before commencing any installation.

Where PVC conduit is embedded in concrete which is screeded or vibrated after pouring,

or where conduits may be subjected to heavy traffic prior to pour, the Contractor shall, in



both cases, provide constant supervision by a responsible person to ensure that conduit

runs are not damaged.

The Contractor shall be responsible for such damage and shall make good at his own cost.

All conduits entering junction boxes, etc., shall be tied 300 mm away from the box.

Ensure at least 300 mm straight run of conduit into each box.

Conduits shall be positioned so that they have a definite sweep or curve between boxes.

Where conduit is damaged or bumped during installation, the affected section shall be cut

out and a new piece installed.

All conduits in slab shall be installed above the bottom layer of reinforcement and

securely tied in place, boxes firmly fixed to form ply, and be separated from other

conduits in slab by a distance equal to the diameter of the conduit.

Where conduits within the slab pass a construction joint, proprietary brand flexible

conduit couplings shall be provided to the satisfaction of the Engineer.

Conduits shall be run at all times in a manner which will not necessitate penetration of the

damp courses or permit the entry of moisture to any portion of the building.

Where conduits are installed in topping above precast structural concrete beams they shall

be positioned so as to ensure a minimum of 10mm topping concrete cover is provided

over the top of the conduits. In some cases this may necessitate the provision of a number

of smaller conduits rather than one large conduit.

Conduits which are installed within hard plaster or rendered wall finishes shall be

securely fixed to prevent movement or vibration, and shall have a minimum cover of 10

mm of plaster and render.

Conduits shall be chased into walls to ensure that this minimum cover is obtained. In no

case, however, will chasing of single brick walls be permitted. The Contractor shall

arrange for the bricklayer to provide suitable chases during erection of brickwork. Oval

conduit may be used for switch drops. No conduit fittings other than wall boxes for

switches and general purpose power outlets, couplings and junction boxes, shall be

concealed in plaster or cement render.



Materials embedded in plaster shall be non-rusting. Conduits run in external brick cavity

walls shall be vertical only, and shall be secured to the inner skin. Horizontal conduits

will not be permitted. Underground conduits shall be non-metallic, complying with AS

2053 unless noted otherwise.

This Contractor shall supply and install spare conduits for possible future use in all

internal columns on every floor.

These conduits shall all be 25 and turn out of the columns above ceiling level. They shall

be positioned on all four sides of every column and finish in a wall box 300 AFFL. After

the principal contractor has rendered and painted each column this Contractor shall fit a

blank white escutcheon plate to each box. (4 per column).

Upon completion of the installation, this Contractor shall supply three (03) sets of conduit

layout drawings of all areas where conduits, junction boxes, etc., are concealed

underground, in floor slabs, walls and ceilings.

This Contractor shall particularly note how all conduits shall pass through external walls

which are underground.

No incoming or outgoing underground conduit which passes through the building

perimeter wall (in the basement) shall start or finish within the building or terminate

below a level of 200 above finished ground floor level. Refer details of conduit

penetrations through perimeter walls on drawings.

5.5. CABLE TRAY AND CABLE LADDER

Cable tray and cable ladder shall be installed in concealed spaces such as plant rooms,

electrical cupboards and above ceilings.

All cable trays shall be made of hot-dip galvanised finish, and shall be machine press-

formed with both edges returned for stiffening. Trays shall be formed in 2.5m lengths and

shall be of not less than 1.5mm with electric cable tray and 1,8mm cable ledder.

All cable trays shall be complete with galvanised perforated fish plates, bends and fixings,

all to the manufacturer’s recommendations. Tray shall be free from burrs and sharp edges

which can damage cable sheathing and insulation. Bolts (gutter bolts) used to join

sections of tray together shall have their (shallow) heads inside the tray.



Each section of cable tray or cable ladder shall be effectively earth bonded to each other

via a short section of earth cable.

Each tray shall be secured to the structure to approval, and shall be installed with

sufficient clearance from the structure, pipes, ducts, etc. Cable tray support shall be

evenly spaced to ensure that the tray is true and straight.

Spacing of supports shall be within the manufacturer’s recommendations for the loading

concerned, and not less than two (02) supports shall be provided per length of tray.

5.6. WIRING AND CABLES

The whole of the installation shall be wired from the main L.V. Switchboard and the

distribution boards as shown on the single line diagram.

Except where otherwise specified, all wiring shall be stranded copper conductor

insulation type V-75 PVC-enclosed in rigid PVC or steel conduits. Circular section TPS

cable shall be installed on cable tray and cable ladder where the cable is free from

possible mechanical damage.

Conductors run within light fittings shall be type V-105 PVC-insulated.

All wiring shall be concealed wherever possible by locating in ceiling spaces, wall

cavities, chased in rendered walls, cast in floor slabs, etc., Wiring in plant room and

similar locations may be surface-mounted in accordance with this Specification.

Cables shall not be directly embedded, but shall be capable of withdraw at any time, by

the provision of conduits, sleeves or clear wiring ways.

Cables with heat-resisting insulation shall be used as final wiring in connections, to all

incandescent lights in recessed and enclosed fittings, and to any other situation required

by the Wiring Rules.

All conduit and wiring shall be installed using the loop-in system, and the use of conduit

fittings other than junction boxes for light outlets, wall boxes, bends and couplings, will

not be permitted. Conductors shall only be drawn into conduit at light outlets, power

outlets positions, approved draw-in box positions and switchboards.

Install all wiring without damage to insulation and replace, without cost, any in which



damage occurs.

The minimum size of sub-circuit conductors shall be 2.5 mm2 for lighting, and 2.5 mm

2

for general purpose power. Cables shall be sized to carry the current rating of the circuit

breaker, and to ensure that voltage drop does not exceed 5% from the point of connection

to the furthest outlet during normal conditions of operation.

Prepare all ends of insulation for termination without cutting strands, and fix in lugs or

approved clips when such are necessary to prevent spread of strands when terminals are

tightened.

Where TPI cabling is used, the following colour code shall be used.

Phase Cables - RED, WHITE and BLUE

Neutral Cables - BLACK

Covered Earth - YELLOW/GREEN exclusively

TPS cables, type V-75, PVC-insulated and sheathed 650/1000 V grade shall generally be

used for mains and submains.

Except in plant rooms TPS cables shall not be used in any area where they would

normally be visible. Their use shall be confined to wall cavities, ceiling spaces and ducts.

In false ceiling areas, wiring may be TPS, suitably installed, supported on cable tray or

cable ladder concealed behind removable ceiling tiles, clipped to timber batterns or

catenary wires fixed directly to underside of roof purlins or ceiling slab as applicable.

Under no circumstances shall cables be laid directly on ceiling tiles or fixed ceiling

panels.

It is preferred that wiring to within-ceiling equipment be enclosed in conduit embedded in

the concrete slab above.

All runs shall be neat and orderly.

The Contractor shall ensure that where thermoplastic sheathed cables (including fire rated

cables) are run within false ceilings, the routes chosen do not interfere with any other

service or roof members or ceiling suspensions, ceiling penetrations, etc..



The above clause refers to signal cables, P.A Cables, security cables, access control cables

etc etc as well as Light & Power cables. As mentioned above it is preferred that all cables

be enclosed in conduits embedded in the concrete slab above.

It shall be particularly noted that cables associated with life safety equipment shall be fire

rated cables and they shall be installed in a manner which guarantees their integrity during

a fire.

Where TPS cables pass through penetrations in steel structural members, the holes shall

be bushed.

Sheathing shall be continuous and shall extend into junction boxes and fittings. Sheathing

which has been cut or broken in any way will be rejected and shall be replaced by the

Contractor.

Where TPS cables are run in conduit, stripping of sheathing shall not be permitted.

Earth wires when run with single core TPS cables shall be stranded copper conductors,

size in accordance with SAA Wirings Rules.

All TPS cables shall be run on trays or clipped to battens in accordance with the

requirements of the SAA Wiring Rules. All TPS cables installed on cable tray shall be

clipped to the tray in an approved manner.

Multicore and single core TPS cables shall be of circular section and fitted with approved

screwed glands where they enter or leave switchboards or equipment terminal boxes.

Single insulated cables shall not exit switchboards in ducts.

Poorly installed above ceiling wiring inspected by the Engineer will be cause for complete

condemnation of all above ceiling work and the Contractor shall remove and replace all

wiring to the specified requirements and to the Engineers’ satisfaction.

The Contractor shall note that single core, single insulated cables shall not exit the

Distribution Boards if they are not enclosed in conduit and the conduit connections are

bolted into the top and bottom gland plates of the respective distribution boards.

Circular multi core cables (PVC.PVC insulated) may exit the distribution boards without



further protection provided they exit the boards via approved screwed glands.

5.7. LIGHTING SWITCHES

Light switches shall generally be of a minimum 15 A capacity, single pole toggle action

mechanism, and flush-mounted into a pressed steel wall box under a flush plate to

selected finish, or of the architrave style.

The switches shall be of an approved miniature type and suitable for multi-gang

mounting, and shall incorporate separate operating mechanism.

Flush switches shall be mounted with switch mechanism operating in the vertical plane.

Flush plates shall be of an impact-resistant type.

The lighting toggles shall be DOWN when in the “ON” position.

All lighting switch toggles shall have a red dot on their operator visible when the circuit is

“ON”.

Unless specified otherwise, switches shall generally be mounted at 1400 mm above

finished floor level or follow interior consultant rules, due consideration being given to

the height of dadoes, tiling, painting, etc. Switches shall not be fitted across the junction

of different wall finishes. The precise position of all switches shall be subject to approval

on site.

Where switches are shown as located on, or adjacent to, door-ways, the Contractor shall

ascertain the correct swing of doors, and place switches on the lock side of door frames,

irrespective of the position shown on the drawings.

All lighting switches and their flush plates shall be white or follow interior consultant

rules.

Where mounted in plant rooms, switches shall be of the weather-proof, pressure diecast

aluminium metal clad type.

Where shown on the plans or specified herein, provide two-way and intermediate

switches. Switches external to the buildings shall be weather proof. Switches for

fluorescent and discharge lights shall be rated at twice the connected load.



5.8. FLUSH PLATES

All flush plates for switches, general purpose power or special outlets shall generally be

of the impact-resistant type, unless otherwise specified herein.

Flush plates shall be white or follow interior consultant rules.

Where two or more switches connected to the same phase are grouped together, they shall

be fitted into a common flush plate. Switches connected to different phases shall not be

grouped together.

Where switches, plug socket and switch and the like are mounted together, they shall be

fitted behind a common flush cover plate.

Certain flush plates shall be machine engraved and filled with black or red paint.

Details will be as directed on site.

5.9. GENERAL PURPOSE POWER OUTLETS (GPOS) AND SPECIAL

PURPOSE POWER OUTLETS

Generally, power outlets shall all be switched and be flush-mounted and fitted with flush

plates as specified above. Wall boxes shall be used, and these shall be set into rendered

brickwork or blockwork without damage to the wall finish.

The Contractor shall supply and install power outlets generally as shown on the drawings.

In some instances, the exact positioning of outlets shall be dependent upon the final

location of furniture and fittings, and hence, the Contractor shall be required to closely

liaise with the principal Contractor before final installation.

The drawings show the circuiting of power outlets, and this shall not be varied without

written approval or as amended on revised issu es of the drawings.

General purpose outlets shall be PVC high-impact flush type with 10 A min. switch

mechanism. Special purpose outlets shall have mechanisms rated as indicated on the

drawings, and where applicable, shall also be flush-mounted high-impact type.

Generally, GPOs shall be mounted at 300 mm above floor level in offices and corridors,

and 150 mm above benches, etc., or as shown in the drawings.



GPOs installed near wets areas shall be protected by an earth leakage circuit breaker in

the distribution board or by an integral ELCB outlet.

GPOs and their flush plates shall be coloured red where they provide a UPS supply.

Provision shall be made for GPOs to be extended to island work partitions under a future

“fit-out” contract.

5.10. PERMANENTLYCONNECTED EQUIPMENT AND APPLIANCES

This Contractor, the Electrical Services Contractor, shall supply and install three phase

circuits to a number of items of plant which are provided by others.

In these cases the local surface mounted control panel (starter panel) shall be provided

and mounted near to the particular drive by the other contractor and he shall also supply

and install the necessary control and indication circuit cables (BMS or remote switch).

This Contractor, the Electrical Services Contractor, shall supply and install all power

cables and make all connections from the nominated distribution board into the local

starter and from the local starter into the local isolator adjacent to the plant item and from

the isolator into the plant item.

This Contractor shall supply and install a whole current isolating switch adjacent to each

item of plant, whether the plant item was provided and installed by this Contractor or

otherwise. The isolating switch shall be lockable. Where applicable, flexible conduit shall

be provided between the isolating switch and the plant. Provide weather-proof isolating

switches in all cases where items are external. PVC equipment (switches and conduit)

shall not be exposed to sunlight, or daylight.

The Contractor shall supply and install all accessories, fixing devices and material for the

full and satisfactory working of the equipment, and shall complete the whole installation

to approval.

The nominated plant items which will be provided and physically installed by others but

will require wiring by this Contractor are shown on the drawings.

5.11. LIGHTING FITTINGS

5.11.1. General



This Contractor shall supply and install all lighting fittings as generally shown on

scheduled and on the drawings

Tenderers shall clearly nominate, in schedule form, exactly what type of lighting fittings,

brand and type No. they have allowed for in their bids

Should Tenderers include the number of particular lighting fittings in their schedule this

will have no contractual significance – This is not a priced Bill of Quantities type of

Contract

Where fluorescent lighting fittings are shown on the drawings they shall all be

instantaneous start-electronic ballast type

Power factor min. 0.85, max THD 10%

The Contractor shall note that when his lighting fittings, tubes, bulbs) etc., are delivered

to him on site they remain his responsibility until the project is complete

It should be noted that all lighting fittings, lamps etc are easily damaged or broken and

consequently the Contractor shall take special care – also care against theft.

Lighting fittings which become broken or damaged on site shall be replaced by this

Contractor at his expense.

All fluorescents tubes in the open office areas and lift lobbies etc shall have a discharge

colour 4,000oK.

All fluorescents tubes in toilet areas shall have a discharge colour of 3,000oK.

All flood lighting fittings shall be provided with high pressure sodium lamps with a

discharge colour of 2,000oK.

Please note the requirements for protection of all steel work from rust and corrosion.

5.11.2. Interior Lighting

The Contractor shall note the different types of lighting shown on the drawings:

Toilet lighting – Toilet lighting – compact recessed fluorescent downlight

Plant rooms, and basement – surface mounted fluorescent weatherproof enclosures.



These fittings shall have open 10mm mirror finish egg crate diffusers located level with

the ceilings and the fluorescent tubes shall be a warmer colour (3000oK) than the tubes in

the open office area.

Lobby areas – surface mounted ceiling light fittings warm white colour.

Lobby areas – surface mounted ceiling light fittings warm white colour.

Grand lobby areas – recessed down lights and decorative lights.

Security Room, IT room, Hub room and Communication room – surface mounted 2x36

watt fluorescent fitting each with an emergency back up battery and invertor. Each fitting

shall be provided with an open egg crate diffuser.

5.11.3. Exterior Lighting.

The Contractor shall supply and install exterior flood lighting to the building generally as

shown on the drawings. The principal lighting to the front, back and two sides of the

building.

The fittings shall be weatherproof and preferably not have separate control gear i.e

integral lamp and gear. The fittings shall be finished in a heat and light stable, matt

special “bone” colour finish. Colour sample will be provided to the Contractor after

contract award.

The special colour to the outside of the flood lights shall match the colour of the building.

5.11.4. Landscape lighting

The provision for exterior lighting throughout the landscaped areas in front of the

building shall be provided by this Contractor.

The supply and installation of these coloured uplighters or tree sparkle lights is included

in this Contractor.

5.11.5. Installation of lighting fittings

This Contractor shall provide the Principal Contractor with details and location of all

recessed fittings to be installed in or on the suspended ceilings to enable the Principal

Contractor to arrange for the provision and trimming of all openings and/or above ceiling

supports.



Recessed fittings generally shall be supported in the suspended ceilings by the use of

adjustable brackets or mountings to suit the suspension system.

The Contractor shall note that to effectively coordinate his work in the large open areas

with the other trades he shall cable and terminate the lighting circuits well before the

other trades move into these areas. ie 03 core flexible cords 1500 long should be left

trailing out of the embedded junction boxes so that each cord can be connected into its

lighting fitting after all other services have been installed, the tee bar ceiling suspension

system erected and then and only then the lighting fittings positioned

Fittings mounted on the surface of suspended ceilings shall be fixed through the ceiling

panel with a minimum of 04 wood screws into timber battens

Battens shall be a minimum 50 x 25mm dressed pine finished with white primer. Battens

shall span across the ceiling suspension channels (not Tee Bars). Light fittings shall not

be supported directly onto ceiling material

Where large surface-mounted light fittings are to be installed on fixed ceilings, support

rods securely attached to the slab above shall be used

Suspended lighting fittings shall be supported on minimum 2.6mm cadmium-plated steel

chain; single and double tube fluorescent fittings shall have a minimum of two support

chains

The exterior lighting fittings shall be spaced as generally shown on the drawing, and shall

be installed exactly as explained in the installation instruction sheets supplied with each

fitting

The Contractor shall fit lamps to all luminaries before the installation will be considered

complete

The Contractor shall ensure that his workers wear clean white gloves when installing

polished reflector fittings and when installing lamps and tubes.

Recessed down lights shall be fixed to approval and must not transfer their weight to the

ceiling tiles



All installation work must be carried out in a workmanlike manner and shall be to the

Engineer’s satisfaction

Particular care must be paid to the safe suspension mounting of lighting fittings and to the

approved method of cable entry into the light fitting housings as specified above

5.12. EMERGENCY LIGHTING SYSTEM

This Contractor shall be responsible for installing an emergency lighting system on every

level of the building, including the Basement and the Roof. All areas requiring emergency

lighting for escape purposes shall be provided with sufficient emergency lighting fittings

to achieve a min of 2 Lux at floor level for 30 mins.

5.12.1. Emergency Lighting Fittings

All emergency lighting fittings and illuminated exit signs shall be supplied and installed

by this Contractor

The Contractor shall be fully responsible for these fittings after he has had them delivered

to him on site.

Each fitting shall have an inbuilt battery charger, battery and inventor and the internal

components shall be suitable for connection to the regular 220 VAC supply.

The Contractor shall protect all fittings from theft and weather damage

The Contractor shall note that not all exit signs and not all emergency lighting fittings

may be shown on the drawings. The Contractor shall comply with code requirements

irrespective of what is shown on the drawings and satisfy the Engineer.

5.12.2. Installation of Emergency Lighting Fittings

Where emergency lighting fittings form part of the general office lighting system they

shall be illuminated when the rest of the office lights are illuminated but should the

regular power fail (not be switched off) then the inbuilt battery inverter will give up it’s

power to illuminate the selected tube (one of the two tubes in the fitting).

As shown on the drawings there are a number of different types of emergency lighting

fittings. Some emergency lighting fittings are separate, surface mounted, some are

recessed and some are built into regular fittings.



In some areas they shall be mounted directly on the ceiling panels or on the walls.

Exit signs shall be carefully positioned so as to be effective with regard to line of site

etc., and the correct signage shall be used to suit the location (arrows and running man).

All exit signs shall be continuously illuminated and have a green background with white

lettering and characters.

All emergency lighting fittings shall only be illuminated when the normal supply fails.

Both exit signs and emergency lighting fitting shall each be fitted with a small LED and

interrupt push switch which shows that the battery charger is working and by operating

the switch allows testing of the fitting and battery supply.

5.12.3. Security Lighting System

This Contractor shall be responsible for installing a Security Lighting System on every

level of the building.

Security lighting in this case means certain selected lighting fittings which do not have

individual switching but are protected by a circuit breaker in the distribution board only ie

these lighting fittings are continually illuminated, 24 hours/day.

5.13. LIGHTNING PROTECTION

5.13.1. General Requirements

This Contractor shall supply and install a complete lightning discharge protection system

to the building

The installation shall generally be as shown on the drawings and as specified herein and

shall comply in all respects with the intention of Vietnam Standard TCVN 9385 : 2012

and Australia Standard AS – 1768

5.13.2. Lightning

Copperplate lightning terminal, D16, L=500mm

The air terminals shall be connected to the down conductors and linked to earthing

system as specified in drawings

5.13.3. Down Conductors



Lightning down conductors are bare copper conductors with a cross section of 70mm2

PVC pipes to D32

This Contractor shall be coordinated and defined on site the penetration through building

for each downconductor.

5.13.4. Underground Conductors

The 70mm2 down conductor shall enter the ground and continue to the first path box

where connection shall be made to the first driven electrode and the continuing conductor

which shall be a bare copper cable min size 70mm2

5.13.5. Path Boxes

The Contractor shall supply and install cast iron hinged lid, path boxes above each driven

electrode so that access is always available to the connection point. The boxes shall be

large enough so that hand and spanner access to the top of the electrode is available

The path boxes shall be secured in a concrete surround 400x400 to allow trimming to the

local ground surface and finish

5.13.6. Earth Electrodes

The down conductor shall be connected to at least three (3) earth electrodes and each

shall consist of sections of copper jacketed 16mm dia solid steel rods screwed together

and driven into the earth.

Earth electrodes shall be as generally shown on the drawings

Connection between the down conductor, the test link and the earth electrodes shall be to

approval

The Contractor shall particularly note that the earth arrangement for the lightning charge

dissipation is completely separate from the electrical earth system and the telephone earth

system. Underground conductors for each system shall be kept as far apart as possible

from each other

A minimum earth resistance of 4 Ohms shall be achieved and maintained throughout the

defects liability period



5.13.7. Tests

This Contractor shall be responsible for obtaining test certificates from a recognised

Authority confirming that the earth resistance of the electrode/down conductor assembly is

4 or less as defined in TCVN 9385: 2012 and is satisfactory. Should more than three (3)

electrodes be necessary to achieve a satisfactory earth resistance then the Contractor shall

so provide.

A cable tray system shall be provided by this Contractor within all ceiling spaces as

shown

Such Telephone/data cables will then be able to traverse lengthwise through the office

floor to serve free standing interconnected office furniture which traverse the in floor ducts

6. FIRE ALARM SYSTEM

6.1. DESCRIPTION OF WORK

6.1.1. Project description

This section of the specification covers the requirements for the supply, deliver,

installation, testing, commissioning and 12 months warranty and comprehensive

maintenance for the entire microprocessor based Interactive Fire Alarm System

The fire alarm system shall be designed and installed in accordance with the latest edition

of Vietnamese Standard TCVN 2622 –1995, TCVN 5738 1993, TCVN5760-1994 or

other applicable recognised standard and in full compliances with the rules and

regulation of the Vietnam Fire Department (PCCC), and other relevant authorities.

All main equipment and devices shall be produced by the same manufacturer. This

applies particular to detectors, control units and central data processing equipment.

System formed by equipment from different manufacturers will not be accepted.

The Engineer shall be entitled when require to conduct quality audit of the Contractor

and/or Manufacturer's premises to assess the quality standard.

The installation shall include all necessary hardware and software for a complete

operable system in accordance with the requirements of this specification.

The entire project will consist of a life safety system.



6.1.2. Central Equipment

Fire Alarm Control Panel (FACP)

One FACP together with the operating panel will be located at the Control Room Level.

Two additional FACP shall be located within the building to minimize the installation

work. Each FACP will include:

A high resolution bright LCDdisplay with English characters is to clearly indicate the

type of event that is being displayed. It will display all input alarms, input pre-alarms and

trouble indications. The terminal will display the device that initiated the alarm, the floor,

the zone and the address of the device. It is imperative that a minimum 1,000 events

stored in memory for recall as needed.

Central Fire Command Center (FMS)

The FMS is located at the control center of the complex. The FMS will include:

A color high resolution LCD displaying both text and graphics. It will display all input

alarms, input supervisory alarms and trouble indications from the total project. The LCD

terminal will display the address of the device that initiated the alarm, the building or

occupancy, the floor and the zone to which the address was assigned.

There will be an event log printer which will be located adjacent to the LCD and an alarm

printer which will clearly print which device is in alarm as well as its location.

Peripheral Devices

Detection Devices

Provide detection and signaling devices as shown on drawings.

Utilizeopticalconventionalsmoke photo detector.

Utilize heat detectors with signal processing in the detector for areas totally unsuitable for

smoke detection. These must be base compatible with all smoke detectors. It shall react

with both fixed temperature and rate of rise.

The detector base wiring shall be connected to the polarity and topology free detection

bus.



Input / output elements

6.1.3. Equipment access

Utilize input element to allow connection of sprinkler flow switches, tamper valve

switches or other contacts to the polarity and topology free detection bus.

Utilize control element for interfacing control functions on the polarity and topology free

detection bus.

6.1.4. Manual Call points

Utilize red manual call points to be located at each exit stair vestibule entry as shown on

plans.

6.2. SCOPE

6.2.1. General

The FACP must be able to monitor, control and communicate with a number of FACP

distributed through the complex.

All equipment must be located and integrated with the CPU's (at the FACP) to provide

true stand-alone performance.

All automatic and manual functions, such as detection, switch on/off of zones, manual

activation, can be performed at the FACP as well as duplicated at the FMS.

The FACP must utilize a system based on a physical and logical structure. The physical

address of each detection element must be converted to a logical address. This logical

address must be fully user definable.

The physical address of a detection device must be set automatically by the FACP.

Systems which require the manual setting of an address in either the detector or the base

are not considered equal. The logical address must be user definable and it will consist of

the link between an element, being the lowest level 1, and the complex being the highest

level 4 in the structure.

Expansion of devices on any detection bus must be possible any time without any wiring

changes and a spare capacity of 25% shall be provided. Addition of a device must only

require tying the device into the closest detection bus.



Provide monitoring of critical fire pump and emergency generator functions. Interface

modules to be supplied by this contractor.

Provide a relay contact output to feed an automatic dialing device that will notify the fire

authorities of an emergency. All dialing equipment required to be by this contractor.

6.2.2. Sequence of Operation

Actuation of an alarm initiating device, (manual station, area smoke detector, electronic

heat detector, water flow switch etc.) is to result in the following:

At the FACP:

Light a large red alarm led to indicate the alarm

Display in English the location of alarm on the LCD with additional red LED’s. A

standard text plus a user text of will describe the device.

Provide output to building management system to initiate building smoke control

functions.

If the device initiating the alarm was a smoke detector in a lift lobby or a sprinkler water

flow switch provide signal to elevator supplier to initiate necessary alarm procedures. All

lift cars in the lift bank serving the floor where the alarm device was activated will

immediate be sent to the ground level landing where they will be decommissioned until

the alarm condition has been cleared or reset or until, manually taken over by the fire

department or fire service procedures.

If the device initiating the alarm was a lift machine room smoke detector provide signal

to elevator supplier to initiate necessary alarm procedures. All lift call buttons, door

buttons and signals will become inoperative in the lift bank serving that machine room.

Lifts will immediately be sent to the ground level landing where they will be

decommissioned until the alarm condition has been cleared or reset or until manually

taken over by the fire department or fire service procedures.

6.2.3. At the FMS

Light a large red alarm led to indicate the alarm.

Display the alarm in English characters on the LCD with a flashing red on the dynamic



symbol represents the alarm point. A standard text plus a user text will describe the

device. An additional message containing intervention information must be available.

This additional information may be called up from memory as required.

Display the map of the floor area where the alarm originated on the color graphics LCD.

Print the alarm with time and date, and user text (English) describing the device in alarm,

on the alarm printer.

Print this alarm and all relating events, such as acknowledge, reset etc. on the event log

printer. This printer to print one line per event.

At the initiating devices

Flash the alarm indicator on the detector or manual pull station as applicable.

Light the led on the input or output element.

6.2.4. Supervisory functions

Activation of supervisory devices, i.e. tamper switches on shut-off valves, fire pump

status, etc. must provide the following operation:

At the FACP Command Station:

Display the device that changed state on the LCD (English) with a yellow led. A standard

text plus a user text will describe the device.

At the FMS Command Station

Light a large magenta lamp to indicate the event.

Display the map of the floor area where the event originated on the color graphics LCD.

Print the event (English) with time and date, and user text describing the device on the

alarm printer.

Print this event and all relating events, such as acknowledge, reset etc. on the event log

printer.

6.2.5. Trouble functions

The FACP must supervise the entire system. Assigned messages are to be displayed on



the LCD display for all fault conditions. Every monitored point must display its fault

condition individually, and all faults within the entire system must be displayed on a per

point basis. In the event of a malfunction, the following must occur:

Sound the audible trouble signal and light the system trouble lamp at the operator panel.

Operation of a momentary silence switch to silence the audible trouble signal. The

trouble lamp will stay lit until all troubles have cleared.

6.3. PRODUCTS

6.3.1. Concept / requirements of the FMS

The entire automatic fire detection system as a centralized data communication and

processing system. This is achieved by connecting each FACP via serial data lines to the

FMS.

The overall system (network) architecture will be based on the principle of distributed

processing. The FACP will remain autonomous (independent) in evaluation,

annunciating, alarming and control in case of interrupted communication between the

systems and the FMS. The FACP will operate totally in a standalone mode. Full

operation will take place in the building associated with the systems regardless of the

condition of the FMS or the wiring network.

The peripheral devices such as system main terminal(s), printer(s), etc. are built into a

control desk of adequate size.

The equipment is designed for mounting into 19 inch (48 cm) standard racks or with

standard wall mount cabinet.

6.3.2. Data transmission

A state-of-the-art data transmission network will connect the FACP with the FMS

equipment.

The communication network is a "free network". This means that messages are

transmitted in a spontaneous manner, leaving the system's response time independent of

its size and number of FACP's connected.

Systems in which the FMS equipment "scan" the FACP’s are not acceptable.



Only systems using standard half or full duplex, digital, serial data transmission will be

accepted.

The communication network must be designed for standard telephone wire however local

codes in wiring will have to be adhered to.

The individual system components are interfaced to the transmission network via

transformer-coupled modems, using either RS 232C or fibre optics technology.

Every path of the data transmission network must be monitored for open circuit.

Proper operation of the FMS should be checked periodic by itself.

In all point-to-point networks, communication faults are announced on both sides.

Transmission errors will be indicated at the FMS and the FACP's. Such a fault must not

lead to deterioration of the autonomous operation of the FACP's concerned.

6.3.3. Central data processing unit (FMS)

By definition, the central data processing unit monitors and controls the entire system and

allows control of all FACP's connected to the network.

The central data processing unit will be of modular design, allowing easy stage-by-stage

extension of capacity (in hard- and software) to meet specific project requirements.

The data processing unit must be capable of monitoring and processing a minimum of

30'000 data points with at least 20,000 points spare capacity for future system expansion.

The individual microprocessors contained in the central data processing unit must be

supervised by means of a built-in watch dog circuit.

The following program and data carriers are used for the central data processing unit:

RAM

EPROM

HARD DISK

A history file of all system events, such as alarm, status, fault, operator activities, etc. is

stored on disk.



A record of the last 1000 events must be maintained on disk to be printed out upon

request from the system main terminal(s).

The exchange and copying of a back-up or history file disk must not affect the normal

system operation.

Systems requiring non-standard configuration to meet project requirements should be

clearly indicated in the tender document.

6.3.4. System printer units

It must be possible to connect an alarm printer and an event logger, both must print

English characters.

All events will be logged automatically on the printer(s).

It must be possible to initiate separate printouts via menu command on the system main

terminal.

It must be possible to assign dedicated functions (selected messages, system sectors, etc.)

to each printer via configuration perimeters.

6.3.5. System printer

This printer will only print alarm messages and must print English characters.

Each alarm message is only composed of plain text related to the protected area, building,

and floor.

Each alarm printout contains the following information per device:

Time of day

Date

Type of alarm

Origin of alarm

Description of affected alarm location



6.3.6. Color graphic display terminal

The color graphic display terminal(s) will display the location of the alarm initiating

device in a graphic format.

It must be possible to display all events in plain text on the system LCD and the color

graphic maps selectively on the color graphics LCD. Text or graphic selection is made in

the menu field by using the mouse.

Block diagrams the entire system must be stored in the graphics system. Each FACP will

have its block diagram stored with its ports, modems, interfaces and major panel blocks

represented by active icons. Any failure of these system segments will be represented by

a yellow flashing icon.

The system will allow the generation of schematics and pictures in an easy and fast

manner so that no extensive operator training is required.

The color graphic terminal allows the interactive (real time) display of all alarms, fault

conditions and specific status events (e.g. zone off) in the entire fire alarm system.

The events to be displayed on the graphic unit will allow identification of their origin by:

Location of all sub systems such as FACP

Device location

Originating source

Automatic detector

Manual call point

Extinguishing system (if applicable)

Sprinkler flow switch

Building services (plant monitoring)

Priority of alarm/fault condition

Selection and activation of a certain graphics display is either automatic (event driven) or

on manual request by menu selection using an electronic mouse.



No specific training must be required for the picture generation.

The picture editing program will allow the addition of alphanumeric text and pre-defined

graphic symbols to each picture.

6.3.7. Concept / requirements of the FACP

A. General

Maximum system availability will be realized by decentralizing the system intelligence

whereby the detection and evaluation task is performed by the detector. The FACP will

verify and process the detectors' output signals in conjunction with the pre-defined user

data, e.g. display the event, perform pre-defined control, signal tasks and respond to

manual commands entered by the system operator.

The FACP will be capable of operating conventional/collective, and analogue

addressable detector bus. A combination of these circuits in the same FACP, for the

initial installation or for any future system expansions, will be possible.

The FACP will allow easy system expandability up to 10'000 addressable detecting

points.

The FACP will be capable of communicating with up to 15 remote operating terminals.

Each terminal will be pre-programmable to operate on the whole of the detection system

or only a certain section of it.

In addition to fire detection devices, it will be possible for the FACP to evaluate and

operate signals from:

Sprinkler flow switches

Stand-alone automatic extinguishing systems

Stand-alone gas detection systems

Information from technical plant equipment

To optimize the response characteristics of automatic detectors, it will be possible to

monitor these and to download different sensitivity settings.

An audible and visual application warning signal will automatically be activated per



detector, if the response characteristic of the detector does not correspond with the

environmental conditions it is operating in.

B. Detector bus communication

By using the principle of detection bus, the FACP will be able to process signals from

and send data to detection devices via a twisted two wire line.

The detector bus will be capable to interfacing with detection devices such as automatic

detectors (e.g. smoke, heat, etc.), manual call points, input and output devices.

Free topology and polarity are allowed. It is possible to wire the detection bus without

consider the polarity and T-tapping can also be possible throughout the detection bus.

The line capacity will handle up to 127 automatic detectors (e.g. smoke, heat, etc.) and

the operating power for these devices will be supplied through the same two-wire

detection bus.

Each detector bus will interface with its own dedicated detector bus module complete

with an on board microprocessor.

The FACP will have the capacity to handle up to such 20 modules.

It will be possible to assign to each automatic detector (e.g. smoke, heat, etc.) an

individual sensitivity setting that can, whenever desired, be manually or automatically

exchanged for that of another type.

The operation of a short circuit isolator / separator, an integral part of a line detection

device, will guarantee full bus functionality.

An address will be freely assigned to all the detection devices that have been connected

to a detector bus. Any future extensions, i.e. the connection of additional detection

devices between existing devices, or at the end of the detection bus, will not interfere

with any of the initially assigned addresses or user data for the existing detection devices.

Address allocations will be displayed on the operating terminal as a geographical

description of the physical location of the detecting device.

The system will be able to identify the type of detector installed in each base and



consequently, verify this information during normal operation and service.

C. Hardware configuration / Mechanical design

The FACP will consist entirely of standard modular, printed circuit board assemblies to

facilitate removal, easy maintenance and modular system expansion.

A central CPU module controlling an operating terminal wit a 10” LCD display and an

internal bus onto which detection bus, various input/output modules, bell and remote

alarm circuits can be connected.

A remote microprocessor based operating terminal.

Indication of real time analogue values of smoke and heat detectors can be shown in a

graphical point in the operation terminal

An ac/dc converter module, with charging unit

Battery capacity for 24 hours emergency supply in standby ode and 30 minutes in an

alarm condition.

It will be possible to optionally expand the basic assembly of an FACP by modules for:

Detection bus

Programmable outputs, driver type (24VDC/40mA)

Outputs, relay contact type (250VAC/10A)

Additional rated power supply and battery charging module

It will be possible to locate the fire brigade intervention plans at the location of the FACP

or at the operating terminal itself, if this is remotely installed.

D. Power supply unit

The power supply will comply with EN 54 part 4 or UL864.

The power supply unit will contain suitable over-voltage protection to prevent any

malfunction or damage which might occur from line power surges.



The FACP will be equipped with a built-in standby battery, rated to maintain operation

for twenty four (24) hr's after mains failure. An alarm condition must be maintained for at

least 30 minutes after the above lapse of time expired.

The battery type shall be recommended by the manufacturer.

It will be possible for a pre-defined period to suppress an audible- and visible mains

failure alarm indication at the operators terminal for any mains supply interruptions, that

do not exceed this time period.

6.3.8. Software functions

A. General

The operating terminal will either process and display events spontaneously or at the

request of the operator

The operating terminal will distinguish between alarm, fault, information and isolation

conditions.

The operating terminal will provide, apart from acknowledge, reset and event scrolling

functions, at least the following controls:

A back lighted 10 inches LCD display

A key pad to enter user passwords

Means of overriding alarm delays for extinguishing function

Possible to program all the necessary user parameters from the key pad without the need

of a commissioning computer.

B. Data

The FACP will be able to handle the following capacities

10.000 data points (detection devices)

20 detection module or 80 detection bus, or

40 programmable control outputs via FACP, or 1000 programmable control outputs via

detector circuits, or 30 integrated extinguishing sections, or any combination of the above

mentioned function units within the limits of the FACP.



C. Remote operating Connection. Important functions

1) Pre-alarm

The FACP will be capable of monitoring the frequent occurrence of pre-alarm signals

released by an automatic detector. A pre-alarm signal will then be displayed by means of

an audible and visual indication at the operating terminal.

2) Multi detector logic.

It will be possible to operate an output if two or more automatic detectors, monitoring the

same area, activate a warning signal.

3) Device not ready yet.

It will not be possible to switch any device (automatic detector, manual call point,

control- and monitoring device etc.) back into operation, if the device, at the moment of

switching, is not in the normal state yet. For these devices will the FACP indicate a not

ready message on the operating terminal.

4) Programmable control functions

Upon receipt of an event (alarm, warning, fault), or the release of a manual operating

command, the control functions will activate the assigned physical control device.

A control device will be either a bell circuit function or an output relay device connected

to either a detection bus or directly the FACP.

To perform flexible pre-programmed automatic control functions, it will be possible to

assign time dependent AND and OR function gates, or a combination of those, to

different detection devices within a group.

5) Access levels and passwords.

Operator access will be granted via three different access levels.

The password will consist of an identification code and a mental code. The identification

code will at least consist of two digits and the mental code will at least contain a three

digit code defined and entered into the system by the operator.

The FACP will automatically log out the signed-on operator, if he did not operate any



system functions for a pre-defined period.

6) History file

The FACP will save and display the data of at least 1.000 system operating event.

The historical data will be displayed at the operating terminal as follows :

All messages listed in a chronological order

All pre-alarms

All alarms

All faults

All information

All active control functions

For processing additional parameters of the historical data, the FACP will provide an

interface to a PC, normally used as a maintenance tool:

Transfer of all system events

Store information about all different type of signals

Transfer and save the detector fault codes

It will not be possible to delete the data in the history file from the operating terminal of

the FACP.

7) Real time clock

The actual real time will be displayed on the operating terminal.

8) “Turning on” and “switching off” system devices.

It will be possible to “switch on” and to “switch off” the following “devices” from the

operating terminal:

Any automatic detector (e.g., smoke, heat, etc.)

The remote alarm and fault indications transmitted to the fire brigade



Any alarm devices

A printer unit

Any control outputs

Any monitoring inputs

9) Printer interface.

The FACP will interface, either directly or from the remotely installed operating

terminal, via a RS232 type data link, with a standard off-the-shelf printer unit.

The character-set which the FACP supports, will be English characters.

10) Alarm counter

By making use of an alarm counter will, upon manual request, all active alarms be

indicated on the operating terminal.

D. Person-Machine Interface

1) The FACP will be designed such, that the operating terminal serving

as a person-machine interface, be either an integrated part of the

FACP, or a separate unit suited to be installed at a remote location.

2) The FACP will communicate with the operating terminal via a

communication bus that operates in a bus configuration.

3) It will be possible to operate the entire system from one operating

terminal. Additionally up to 15 operating terminal can be used to

perform dedicated display and control operations for pre-defined

sections of the system.

4) To guide the operator through the operating process, the operating

procedure at the operating terminal will be fully menu driven.

5) The layout of the front plate for the operating terminal will guarantee

that the incoming event messages are clearly distinguished by the

operator. For this purpose, these will be categorized as follows:

Alarm conditions

Fault conditions



Isolated / disabled conditions

Status information

E. Commissioning features

1) To provide maximum ease and flexibility for the commissioning

process, the following pre-defined commissioning modes will be

possible:

Upon insertion of a detection device into its base, the FACP will

automatically read in the address.

Setting of the address shall be performed in programming the dip

switches on all the automatic detectors and input / output elements.

2) It will be possible to program all user application data for the FACP,

off-line with a maintenance PC. For up-loading purposes the

maintenance PC will be interfaced to the FACP.

3) It will be possible to reprogram the detection devices from the

operating terminal or maintenance PC.

4) In order to save all the system data, it will be possible to generate a

back-up file.

5) It will be possible to locally monitor the system behavior.

F. System printer units

1) 1. It must be possible to connect an event logger to the FACP.

2) 2. All events will be logged automatically on the printer.

3) 3. It must be possible to initiate separate printouts via menu command

on the system main terminal.

4) System event printer

This printer will log all change-of-status, alarm and fault messages,

along with time of day and date.

Each message will be printed in one line (or maximum two) and will



contain a reduced plain text related to the zone and/or device location.

G. Power supply units

1) Power supply

Each self-contained unit, such as:

Central data processing unit

System main terminal(s)

Color graphics terminal(s)

Remote graphic annunciator

The power supply must be able to operate on a primary power of

110/120/220/240 VAC, -15% to +10%, 48 to 62 Hz.

The power supply unit must contain suitable over-voltage protection

to prevent any malfunction or damage which might occur from line

power surges.

When battery voltage drops below defined value. a fault indication is

to be provided to indicate a battery fault condition.

A visible and audible signal is to be generated to indicate that the

FACP is operating under emergency power.

The master fault indicator on the FACP is to be illuminated until

mains power has been restored.

When the AC power is restored, the FACP must automatically revert

to normal operation without requiring any manual restarting

procedures.

2) Standby battery

Equip the FACP with a built-in 24 V rechargeable sealed maintenance

free battery, complete with all necessary interconnections and filled

with electrolyte, charged and ready for service and with sufficient

capability to maintain the system for 24 hours and still provide



afterwards signal power for 30 minutes.

Upon loss of mains power, the power supply unit must automatically

revert to battery power, and the system remain full operational.

Battery must consist of rechargeable sealed maintenance free cells.

Charger designed to suit the characteristics of the battery providing

automatic boost charge facility when the battery bank potential falls

below acceptable voltage for maintaining a working system and return

to float charge when the battery bank reaches maximum acceptable

voltage.

3) Uninterrupted power supply

Provide a UPS (uninterruptable power supply) with the capacity to

operate all life safety and security equipment located in the FMS room

for a period of 30 minutes.

H. Mechanical Design

1) Design the FACP to 19 inch panel standards or wall mount cabinet.

2) House it in a heavy-gauge metal cabinet with the display and

operating terminal suitable for flush mounting.

3) The FACP is to consist entirely of modular, unit-type assemblies to

facilitate removal, maintenance and system expansion.

4) Display and operating terminal(s) to be integrated to the FACP

enclosure or separate.

5) All lettering on the display and operating terminals must be in

English.

I. Field Devices and Equipment

1) Manual call point (fire alarm red)

The manual call point must be electrically compatible with the

standard range of automatic detectors, so that it can be connected

directly into the supervised two-wire zone of the manufacturer

standard range of FACP for class B wiring.



The manual call point will be pleasant, streamlined and flat in

appearance permitting its use as a surface mounted unit.

The breaking of the glass must not release an alarm. The glass plate

must be designed in a way to prevent injuries when struck by the

operator. The pushing of the call button will initiate the alarm.

It must be possible to test the manual call point without breaking the

glass by the use of a special tool.

The call point must comply with standard EN54-11 or UL.

All designations and markings must be available.

The call point will be ASIC based and have a dip switch to program

it’s an address.

The manual call point will have a built-in LED, automatically

confirming its operation.

The electronic intelligence is potted to prevent outside interference

and make it immune to ambient influence.

2) Input module (1 Input)

The input module allows the connection of 1 potential free contact

devices into a detector bus.

The input module connects to the FACP via a fully supervised two-

wire circuit. No separate power line will be required. No special need

to consider the polarity on wiring.

The lines to the acknowledgment contacts will be supervised with a

class B circuit with end-of-line resistor.

The input module will be ASIC based and has dip switch to program

it’s an address.

The input module is equipped with a built-in alarm lamp as a response

indicator for parallel detectors and/or contacts connected.



It will be possible to change the electronic parts without removing the

housing or the wiring.

3) Output module (1 output)

The output module is designed to convert specific signals on a

detection bus from the FACP into control functions.

The output contact of the output module must be rated for at least 1.0

Amp at 24 DC.

The output module has an input for a connection of an external contact

to provide a confirmation signal to be sent back to the FACP via the

detection line after the control function has been carried out.

The output module will be microprocessor based and have its own

factory set identification number.

It will be possible to change the electronic parts without removing the

housing or the wiring.

4) Optical Smoke Detector

The design of the smoke sensitive system must guarantee a uniform

response behavior to all combustion products of smoke-forming

flaming and smoldering fires.

The detector must be ASIC based

The detector will transmit analogue value to the FACP for evaluation

according to the customer specific programming of the FACP.

The detector must be able to execute a self-test.

The detector will require the setting of a dip switch or other similar

device to define the address of the detector.

A built-in barrier must prevent the entry of insects into the detector.

The detector must be insertable into the base without the need of any

tools.



The base must be completely hidden by the detector.

5) Electronic Thermal Detector

It must require only one version of the electronic thermal detector

which can react on either fixed temperature or rate of rise.

The detector must be ASIC based.

All electronics must be solid state using SMD technology.

The detector will require the setting of a switch or other similar device

to define the address of the detector.


tools.


Reversed polarity or faulty wiring must not damage the detector.

6) Plug-in Bases

Provide twist lock plug-in bases for the electronic thermal detectors,

smoke detectors and multi-criteria detectors as required.

All bases for collective, smoke and thermal detectors must have the

same appearance and general design. The detectors must be

interchangeable into these bases for all addressable detectors.

The base will be manufactured of impact and scratch proof material.

The detector shall require the setting of a dip switch or other similar

device to define the address of the detector.

A built-in barrier must prevent the entry of insects into the detector.


tools.






ELV SERVICES



1. INTRODUCTION:

Profile basic design overview of technical solutions for ELV systems: Fire Alarm System

(FA); Public Address System (PA); Closed Circuit Television System (CCTV); Voive-

Data System

Profile notes engineering construction after the foundation approved for deployment

detailed drawings.

2. GENERAL REQUIREMENTS

The ELV system is installed to meet the technical criteria of Vietnam and International,

benefit, convenience to homeowners, raising class stature house.

3. SCOPE OF WORKS:

Supply and installation for ELV System

4. APPLICABLE STANDARD:

America Standards

BS Standards.

IEC Standards

Vietnam Standards

5. CONFIGURING THE SYSTEM:

5.1. CCTV SYSTEM

5.1.1. General

This Contractor (the Electrical Installation Contractor) shall provide a complete and

operating color CCTV System as indicated in the drawings and as specified herein.

Supply and install a complete and operable CCTV system consisting of color cameras,

lenses, housings, mounting hardware, color monitors, digital video recorders, alarm

interface facility, keyboards, interface hardware, power and signal/data cabling, conduit,

cable trays, equipment racks, power supplies, necessary software, programming and

commissioning.

5.1.2. Standard Components



All equipment and materials used shall be standard components, regularly manufactured,

regularly utilized in the manufacturer’s system. All systems and components shall have

been thoroughly tested and proven in actual use.

5.1.3. Color PTZ Dome Camera

The CCTV camera dome drive system shall consist of a discreet, miniature camera dome;

variable speed/high speed pan and tilt drive unit with continuous 3600 degree rotation;

high resolution, 1/4”, color, CCD camera; 22X optical with additional 8X digital, auto

focusing, motorized zoom lens; integral receiver/driver; and quick–install pendant mount.

As part of the Outdoor CCTV camera dome system, the lower dome shall be a maximum

of 5.9” in diameter and extend to a maximum of 2.75” below the pendant back box, shall

be made of acrylic material, be optically clear, and have no distortion in any portion of

the dome up to +20 above the horizontal, and shall weigh a maximum of 1 lb. – 5 oz. The

variable speed/high speed pan and tilt drive unit shall be capable of 3600 continuous pan

rotation and a vertical unobstructed tilt of +20 to –92

0 and shall pan from a creep speed of

0.10

to 800

per second, and pan at 1500 per second in turbo mode. Tilt operation shall

range from 0.10 to 40

0 per second. The pan and tilt drive unit shall operate under variable

speed automatic preset control at a pan speed of 2500 and a tilt speed of 200

0 per second.

The pan and tilt drive unit shall be capable of 64 preset positions with a 20–character

label available for each position. The high resolution, color CCD camera shall be a 1/4”

interline transfer imager meeting NTSC signal format specifications and shall be 2:1

interlace, with AC line lock that is phase adjustable by remote control. The image sensor

shall have a total pixel array of 811 (H) x 508 (V) and an effective pixel array of 768 (H)

x 494 (V). The camera shall provide a horizontal resolution of 470 TV lines. The camera

shall have a signal–to–noise ratio of > 46 dB. All programmable camera functions shall

be stored within the dome drive unit using non–volatile memory, without the need for

battery backup. The motorized zoom lens shall be 22X optical zoom with an additional

8X digital zoom (176X total zoom), 4 mm to 88 mm, F1.6 and shall have a horizontal

angle of view of 470 at 4 mm and 2

0 at 88 mm telephoto zoom. The lens shall feature an

automatic focus with manual and programmable override.

5.1.4. Interior PTZ Color Cameras



The indoor CCTV camera dome drive system shall consist of a discreet, miniature

camera dome; variable speed/high speed pan and tilt drive unit with continuous 3600

rotation; high resolution, 1/4”, color, CCD camera; 18X optical with additional 4X

digital, auto focusing, motorized zoom lens; integral receiver/driver; and plenum–rated,

quick–install back box assembly. The lower dome shall be a maximum of 5.9” in

diameter and extend to a maximum of 3.25” below the ceiling when installed in the back

box. The lower dome shall be made of acrylic material, be optically clear, and have no

distortion in any portion of the dome up to +20

above the horizontal. The lower dome

shall weigh a maximum of 3.1 oz. The variable speed/high speed pan and tilt drive unit

shall be capable of 3600 continuous pan rotation and a vertical unobstructed tilt of +2

0 to

–920. The pan and tilt drive unit shall pan under manual control from a creep speed of

0.10 to 80

0 per second, and pan at 150

0 per second in turbo mode. Tilt operation shall

range from 0.10 to 40

0 per second. The pan and tilt drive unit shall operate under variable

speed automatic preset control at a pan speed of 2500 and a tilt speed of 200

0 per second.

The pan and tilt drive unit shall be capable of 64 preset positions with a 20–character

label available for each position. The pan and tilt, dome drive, receiver/driver, and

camera/lens assembly shall weigh a maximum of 2 lb. – 11 oz. The high resolution, color

CCD camera shall be a 1/4” interline transfer imager meeting NTSC signal format

specifications and shall be 2:1 interlace, with AC line lock that is phase adjustable by

remote control. The image sensor shall have a total pixel array of 811 (H) x 508 (V) and

an effective pixel array of 768 (H) x 494 (V). The camera shall provide a horizontal

resolution of 470 TV lines. The camera shall have a signal–to–noise ratio of >46 dB. All

programmable camera functions shall be stored within the dome drive unit using non–

volatile memory, without the need for battery backup. The motorized zoom lens shall be

18X optical zoom with an additional 4X digital zoom (72X total zoom), 4.1 mm to 73.8

mm, F1.4 with a horizontal angle of view of 480 at 4.1 mm and 2.7

0 at 73.8 mm telephoto

zoom. The lens shall feature automatic focus with manual and programmable override.

5.1.5. High Resolution Color CCD Cameras

The High Resolution Color CCD Cameras shall be comprised of an enhanced CCD

sensor, solid state circuitry, and state of the art electronics incorporating the latest in

digital technology, housed in a compact, rugged ABS plastic case. The High Resolution

Color CCD Color Cameras shall be a 1/3” interline transfer imager meeting PAL/CCIR



signal format specifications. The camera shall be 2:1 interlace, internal or external sync.,

230VAC input power, 50/60 hertz, with AC line lock, V–phase ±900 adjustable. The

camera shall provide a resolution of 470 TV lines horizontal. The camera shall feature

digital signal processing, DSP. The camera shall feature CCD Iris technology and

standard auto iris lens compatibility. The camera shall accept either Video type or DC

servo type auto iris lenses, switch selectable. The camera shall have automatic iris control

and gain control which shall be switchable ON/OFF/Turbo. The camera/lens package

shall provide for a sensitivity of 1.9 lux at F1.2

5.1.6. Low Profile, Ceiling Enclosures

The low profile camera enclosure shall consist of an camera housing designed specifically

for use with 1/2” or smaller format cameras and fixed focal length lenses in indoor

applications along with any accessories which may be required for a complete camera

enclosure. The camera enclosure shall be designed for use in fixed or suspended ceiling

applications or be wall mounted. The enclosure shall accommodate camera / lens

packages up to 3.00”H x 4.00”W x 10.00”L including the BNC connector. The enclosure

shall be NEMA 1 rated and UL listed to 2044. The enclosure shall measure a maximum of

13.50”L x 7.50”W x 7.00”H, with a maximum of 3.50” extending below the ceiling level.

The enclosure shall weigh a maximum of 1 lbs. – 12 oz

5.1.7. Camera / Enclosure Mount

The camera / enclosure mount shall consist of a mount designed specifically for

mounting a camera/enclosure on a wall, along with any accessories which may be

required for a complete camera mount. The camera/enclosure mount shall measure

16.50”L with a manually adjustable tilt table extending up 2.62” from the horizontal arm.

The mount shall be capable of supporting up to 40 lbs. The mount shall be supplied with

a manually adjustable tilt table capable of unlimited 3600 pan adjustment and ±75

0 tilt

adjustment. The mount shall constructed of cast aluminum arm with aluminum adjustable

head and finished in a gray polyester powder coat. The mount shall be UL listed to

Standard 2044

5.1.8. High Security, Indoor Corner Mounts

The High Security Indoor, Corner Mounts shall provide a tamper–resistant corner mount

for fixed camera locations. The High Security Indoor, Corner Mounts may be installed



flush against a ceiling or mid–wall in high ceiling applications without compromising

enclosure integrity. The unit shall be constructed of heavy gauge steel and feature a half–

inch thick impact–resistant lexan window. The smaller frontal area and reduced overall

size create an unobtrusive enclosure shall support the specified camera. Three conduit

knockouts shall be provided to allow wires to be delivered from the wall on either side or

the ceiling

5.1.9. Indoor Camera Enclosure

The indoor camera enclosure shall consist of a camera housing designed specifically for

use with 1/2” or smaller format cameras and fixed focal length lenses in indoor

applications along with any accessories which may be required for a complete

environmental camera enclosure. The enclosure shall accommodate camera/lens

packages up to 2.75”H x 3.75”W x 8.00”L including the BNC connector. The enclosure

shall be provided with a viewing window constructed of 1/8” thick, optically clear, Lucite

SAR super abrasion resistant acrylic). The viewing window shall measure 2.50”H x

3.50”W, minimum. The enclosure shall be NEMA 1 rated and UL listed to 2044. The

enclosure shall measure a maximum of 11.50”L x 4.65”W x 3.40”H.

5.1.10. Digital Video Recorder

The Digital Video Recorder (DVR) shall provide digital video storage capability with

enhanced built–in video motion detection, alarm–based recording and relay outputs to

control. The Digital Video Recorder shall provide 16 camera inputs for fixed and/or

moveable cameras, as well as Camera Pan/Tilt/Zoom control via RS–232 connections.

The DVR shall provide expandable hard drive configurations, provide multiple camera

displays for live viewing or playback while recording, continuous, motion detection,

alarm, pre–alarm, and scheduled recording modes and record up to 60 images per second.

The DVR supports up to 8 hard drives, factory installed, with capacity (at maximum

configuration) for over 90 days of recording.

5.1.11. CCTV Software Interface

The CCTV software interface shall support a multiple video switcher. The integrated

security system shall control the CCTV system

The CCTV software interface shall provide for the capability of displaying any camera on



any monitor within the system via a video switcher. The system shall support camera

positioning and Pan, Tilt, Zoom (PTZ)-equipped cameras. The system shall support the

setting of the video switcher to automatically move the PTZ camera to a specified pre-set.

The system shall provide for automatic camera and monitor selection whenever an input,

output or group icon is selected in the Integrated Security System.

When an alarm occurs, the system shall automatically select the highest priority alarm,

resulting in the display of the pre-defined camera scenes on the pre-defined monitors.

The software interface shall, as a minimum, support the operation of either American

Dynamics 168, 1600, 1650, 1995C, 2050 and 2150 and Burle TC8500, TC8600, TC8800

and TC8900 and Pelco CM 6700, 6800, 8500, 9740 and 9760 Panasonic 550 and 850,

and Ultrak MAX 1000 series Video Switchers

The CCTV control switching and sequencing programs shall be configured using the

system configuration program. By designating specific CCTV programs (camera shot-

monitor definitions) to certain alarm points, the system shall be able to automatically link

point selection to video control and monitoring, plus define all in-video camera titles

The CCTV interface shall be provided over an RS-232 link between the Security

Application Server and the video switcher. The CCTV software interface shall support an

unlimited number of CCTV monitors, cameras and CCTV switching programs (i.e.;

camera/monitor selections). The system shall provide for the initiation of video recording

on an event-driven basis

Effective CCTV tours shall be implemented by linking input, output and grouped points

to CCTV programs. As the alarm monitoring and control program sequences through

points within the Alarm Review program, the pre-defined CCTV pictures shall be

displayed on the pre-defined monitors

Video Switcher configuration shall be such that automatic addition and deletion of

cameras from their respective menus shall occur upon the configuration of the switcher

parameters. The system shall support more than one view (shot, pre-set) for each camera

5.2. PUBLIC ADDRESS SYSTEM (PA SYSTEM)

5.2.1. General



This Contractor, the Electrical Installation Contractor, shall supply and install complete

public address systems.

This part of the specification covers the manufacture, factory testing (components and

assemblies), delivery to site, assembly on site, installation, test and commissioning of a

Public Address System, generally as shown on the drawings and as specified herein.

The works will include all incidental items necessary for proper functioning of the whole

system whether or not specifically mentioned.

The equipment shall be entirely suitable for the purpose intended.

This equipment is part of the Life Safety installation in this building

5.2.2. Amplifier Rack

The amplifier and certain other equipment shall be assemblied into a ventilated, dust free,

common, free standing rack or cabinet.

The rack shall be provided with a glass, dust excluding door and be designed to dissipate

all internally generated heat either by natural radiation - convection or mechanical

ventilation via a small and silent dust excluding electric fan.

The rack shall be constructed so as to allow circulating air to pass under the lowest unit.

Stacked loose equipment will not be acceptable.

The 220 VAC power for the amplifier rack shall emanate from a UPS source which forms

part of the PA equipment.

The single phase UPS system shall have a rating such that the P.A. System can operate

without compromise for 60 minutes.

5.2.3. Amplifier and Inputs

The amplifier equipment shall be designed to accept the output from two (2)

microphones. Operation shall be simple and easy to use.

This PA system is part of the life safety installation within this building and as such all

equipment including the Amplifier itself must be as reliable as possible. All components

must be adequately rated and none shall operate near their limit.



The output to all speakers must be clear and distinct and be absolutely free of any

interference or mains frequency hum.

Sound penetration into all areas shall saturate the space via multiple speakers all at low

out put level.

High intensity sound levels, even supplied distortion free, will not be acceptable.

Not all individual zones which may be selected have equal numbers of speakers.

5.2.4. Microphones

Two microphones (one table stand and one “push-to-talk” types) shall be provided for

each PA system and will input into the amplifier.

The Contractor shall provide all necessary cabling and preamplifier equipment if

necessary

The stable stand microphone shall be provided with a stand which shall be suitable for

screw fixing to a desk or table and the microphone shall have an adjustable, flexible,

gooseneck stem.

The table stand shall be have a built-in “push to talk” button.

Provision immediately to the right of each button shall allow (slip in behind stiff plastic)

descriptions of the zones which will receive the broadcast if the adjacent “push to select”

button is depressed.

The base of the Microphone stand shall incorporate two small LEDs:

Green: PA System is in standby mode

Red: Microphone is “alive”.

5.2.5. Chime

When either of the microphones is selected to become active a soft chime shall sound in

those areas about to receive the broadcast. This chime shall be capable of being muted

5.2.6. Speakers

All speakers shall be provided by this Contractor.



Ceiling type speakers shall each be approx 200 in diameter and be screw fixed to a baffle

board.

The baffle board shall be independently suspended and be provided with an off white

circular metal grille - spring loaded clip into the suspended ceiling material or receiving

bracket fixed to the baffle board.

Provide a dust excluding light weight linen bag to each speaker above the ceiling.

Horn speakers (installed in the basement) shall each be type of horn loud output speaker

complete with mounting bracket.

Note: All speaker mounting brackets and all wall mounting brackets shall be hot dip

galvanized, if made of steel.

5.2.7. Speaker Circuits

The amplifier output shall, through selective push button control on the microphone

stands, be capable of directing sound to specific areas, groups of areas or “all in”.

The individual areas or zones shall be as in drawings.

The output from the amplifier to each speaker in any one (1) zone shall be carefully

adjusted in gain so that there is an even sound level throughout the whole area (no loud

spots or weak spots).

The output from the amplifier to each speaker zone shall be carefully adjusted in gain so

that there are no excessively loud areas and the sound level in any one (1) zone is

consistent irrespective of how many zones are selected.

5.2.8. Fire Alarm Panel interface

The Contractor shall ensure that the P.A equipment supplied is designed to provide a

separate output signal corresponding to the activation of a PA zone selection prior to and

during an announcement.

These signals shall be connected into the Fire Alarm Panel.

5.3. VOICE DATA

5.3.1. General requirement



Tenderers shall propose and submit a comprehensive Structured Cabling Solution to

define the telecommunications infrastructure (patch panels, frames, patch cords, cables,

faceplates and outlets) necessary to build a uniform premises distribution system, which

will function for a multi-media communications solution to support up to 100Mbps.

Tenderers shall make full allowance in their bid for all necessary equipment and it’s

installation – See also the proposed data network schematic in the drawings.

A Structured Cabling Solution that uses Category 5e components and/or Optical Fiber

backbone shall be capable of providing 100 Megabit Ethernet operation using full duplex

transmission.

The solution should define the method(s) of flexible patching for the

telecommunications services to enable simple Moves, Adds & Changes, (MAC’s)

without frequent rewiring of locations

Please particularly note that the complete data system shall be protected from

transmission borne lightning strikes at the point of connection of the incoming IT cable

from the provider.

5.3.2. Structured cabling system

All Vendor products supplied under this tender shall be genuine Vendor products. There

shall be no unapproved or falsely claimed “Vendor Compatible” or “Vendor Alternative”

products.

The communications channel shall be capable of supporting 100Mbps (100BASE-T)

Ethernet.

All copper products in the communications channel shall be capable of supporting the

provision of power to the Data Terminal Equipment via the electrically conductive Media

Dependant Interfaces as specified in the latest IEEE 802.3af “Power over Ethernet”

standard.

All IDC connectors shall be Vendor IDC technology for all systems and subsystems.

5.3.3. Work Area System



Tenderers shall supply and install the wiring or interconnections that connect active

terminal devices to the telecommunication outlets. This includes patch cords, connectors,

faceplates, as well as the work area patch cords (terminal fly leads) needed to make

connections.

5.3.4. Faceplate

The faceplates offered shall have a clear label for application of circuit identification and

the following;

For Cat 5e

A choice of 1, 2, 3, 4, or 12 outlets.

Options for vertical style or horizontal style.

4 port angled faceplates on perimeter trunking or surface skirting ducts.

5.3.5. Telecommunication Outlets (TO)

All copper telecommunication outlets supplied by the tenderer shall be Vendor modular

8-position / 8-contact outlets, accepting standard modular RJ45 plugs

The TO shall be;

Capable of receiving 0.4 to 0.64mm diameter solid wires into insulation

displacement contacts.

Surface or flush mounted, single or dual sockets are required as specified in the

drawings.

Should have the ability to accept a dust cap to prevent dust and dirt getting into the

socket.

Underwriter Laboratories (UL) listed, and comply with CFR47 Part 68.500.

Made from high-impact, flame-retardant, UL94 -V0 rated thermoplastic material.

The TO shall provide Near End Crosstalk (NEXT) performance of >54dB @ 100MHz,

and >46dB @ 100MHz for Cat 5e.



The Insulation Displacement Connector (IDC) wiring termination shall have a minimum

of 2 mechanical forces applied to the wire to provide a reliable and stress-free resistant

connection.

The IDC termination must be have a 45 degree angled configuration when connecting

with the cable conductor to reduce the effect of metal fatigue.

The IDC contact element shall be special spring brass with silver plating to increase

conductivity, angularly arranged across the axis of conducting wire to maximize the gas

tight connection. The contact range shall be minimum 5µm silver-plated to ensure

minimum oxidization impact.

The socket offered shall be marked to conform to the T568A wiring scheme in AS/NZS

3080, as a minimum.

The telecommunication outlet shall meet the following electrical performances;

RJ Interface resistance: 20 mΩ

Insulation resistance ≥100 MΩ at 500 Vdc

Contact resistance of 20 mΩ maximum. (1mΩ typical)

Current rating of ≤2A at 20ºC

The telecommunication outlet shall meet the following mechanical performance:

Plug/Jack contact force: >100g minimum per contact using a FCC-approved plug.

Plug retention force: 133 N minimum.

Temperature range: –20ºC to +75ºC

5.3.6. Horizontal Cable System

Category 5e Cabling for 100 Megabit Ethernet

Tenderer shall supply Vendor Category 5e horizontal 4 pair solid cable to connect each

telecommunication outlet (TO) or consolidation point (CP) to the floor distributor (FD).

The type of horizontal cables used shall be 4-pair 100Ω+/- 3% high performance

unshielded twisted pair (UTP) cable for Cat 5e applications.



The UTP cable shall be of nominal 0.5 mm diameter bare solid copper conductors

insulated with high density insulation and a PVC sheath. The insulated conductors shall

be twisted into pairs, with pairs balanced for maximum performance and noise reduction.

The 4-pair UTP cable shall be run using a star topology format from the cross-connect at

the floor distributor (FD) on each floor to every individual telecommunication outlet.

The 4-pair UTP cable must exceed AS/NZS 3080:2003 Category 5e requirements. It

must be tested to Class D to ensure performance for any application up to and including

100 Mbps from the floor distributor (FD) to the telecommunications outlet (TO) at the

work area.

All horizontal UTP cable must meet requirement specified for current such as IEEE

802.3, 10/100/1000 BASE T; IEEE 802.5, 4/16/100Mbps; ATM Forum 52/155/622/1200

Mbps, 1 Gigabit Networking.

Each run of cable from the cross-connect at the floor distributor (FD) to the

telecommunication outlet (TO) shall be continuous without any joints or splices.

Consolidation points (CP) are permitted provided Class D channel performance is

maintained.

The length of each individual run of fixed horizontal cable from the floor distributor (FD)

to the telecommunication outlet (TO) shall be based on the distance set out in the tables

and formulas in AS/NZS 3080:2003 plus the appropriate length de-rating for maximum

ambient temperatures above 20ºC. Installed lengths may differ from the designed lengths

as long as they pass testing.

The 4-pair UTP cable should be Underwriter Laboratories (UL) listed as type CM or

CMR.

The 4-pair UTP cable shall meet or exceed the following AS/NZS 3080:2003

requirements specifications for cable;

Impedance at 100MHz: 100 +/- 3%@ 100 MHz

Conductor DC Resistance (Max): 9.38 /100m @ 20oC

DC Resistance Unbalance (Max) 5%

Insulation Resistance (Min): 5000 MΩ /1km @ 20oC



Mutual Capacitance (Typical): 5.6 nF/100m

Characteristics impedance : 100Ω

Worst Case Cable Skew : 45 nsec/100 Meters

5.3.7. Telecommunications Room Cable Terminations

The size, location and provisioning of services and facilities in Telecommunications

Rooms (TR) should be in accordance with AS/NZS 3084.

The TR on the ground floor (unless nominated elsewhere on the drawings) shall contain

the Building Distributor (BD) to terminate the incoming cables from the Service

Provider.

The Telecommunications Room (TR) shall contain rack mounted patch panels, or wall

mounted profil rods or back mount frames to suit either 8 or 25-pair Vendor modules for

termination of the internal horizontal and/or backbone copper cables onto modules and

outlets. The TR must also house the rack mounted or wall mounted

Patch cords shall be provided when patching of voice and/or data circuits is required at

the cross-connections to facilitate Moves, Adds and Changes (MAC’s).

The patch cords supplied shall be able to support the designed application, like 1GBE

applications.

5.3.8. Cross-Connect System

Tenderer shall utilize Patch By Exception for copper cross-connection of termination

modules at the backbone and/or horizontal cross-connect.

The cross-connect system inside Telecommunications Rooms (TR) shall consist of 2

modules per horizontal cable run.

On Module 1, 4-pair positions shall be connected from the top of the module to the

network equipment by a System Tail with the RJ45 plug at the equipment end.

On Module 2, 4-pair positions shall be connected at the top of the module to the

horizontal cabling from the TO.



The hard-wired jumper cable shall consist of 4-pair solid cable with sheath (the same

cable as the horizontal 4-pair cable), and this will connect from the 4-pair positions on

the bottom of Module 1 to the 4-pair positions on the bottom of Module 2.

The cross-connect terminations on Category 5e components shall be either;

Vendor modules, fire-retardant, molded plastic UL94 V0 rated, mounted

horizontally for ease of termination, with 8-pair or 25-pair disconnection contacts

for incoming voice and/or data services up to 100Mbps, or

Vendor RJ45 Cat 5e patch-panels for incoming voice and/or data services up to

100Mbps.

Tenderer shall supply appropriate patch cords with factory assembled plug-ends

for mating with the termination modules.

These patch cords are to be used as the “Exception” patching facility during

temporary Moves, Adds and Changes.

Restoration of the original hard wired jumper arrangement shall be by the removal

of the “Exception” patch cords.

When the temporary “Exception” patching arrangements are to be made

permanent, the appropriate modules shall be hard-wired using solid 4-pair fully

sheathed cable, and the “Exception” patch cords shall be removed and stored for

future use.

The type of patch cords shall match the termination modules used.

5.3.9. Termination Module

The termination module shall be able to accommodate over 200 repeated wire insertions

without incurring permanent deformation.

For up to Cat 5e performance, the termination module shall be a Vendor Cat 5e

disconnection module to allow test cords to isolate the cabling system for testing

purposes.

For all modules, the termination shall be able to accommodate 0.4 – 0.64 mm diameter

solid copper conductors and 7/0.2 – 7/0.32 multi-wire stranded conductors.



The IDC contact element shall be set at 45o and made from special spring brass with

silver plating. The wire contact area shall have 5 µm of silver-plating to ensure maximum

reliability.

All components that are to be connected to a carrier’s network must comply with the A-

Tick requirements in accordance with the Telecommunications Labelling Notice.

5.3.10. Copper Patch Panels, Rack And Cabinet-Mounted

The modular outlet patch panel shall be a Vendor panel with 8 pin modular sockets

having a worst pair NEXT loss values for the outlet of >54dB at 100MHz and >46dB at

100MHz.

The patch panel shall be available in 16 or 24 port configurations in one rack unit height

or 48 port in two rack unit height and shall fit into a 19" rack. Rear cable management

shall be a Vendor cable manager either steel or plastic (MasterMinder) to occupy the

same height as the 1 RU patch panel.

The contact plating of the modular jacks shall have a minimum thickness of 1.3µm of

hard gold in accordance with FCC CFR47 Part 68.5, over a minimum thickness of 2.0µm

of nickel. The modular patch panel will have a plug insertion life of Level B reliability to

IEC 60603-7.

Vendor Patch Cord Minders shall be fitted so that there is one patch cord minder for

every 2 x flat patch panels. The front and/or rear vertical rails of the cabinet shall be set

back sufficiently to accommodate the patch cord minders.

When angled patch panels are used, the installation of patch cord minders is not

mandated. However, the rack and/or cabinet must have sufficient space on the sides at the

front to provide adequate room and support to contain the patch cords and their minimum

bending radius.

5.3.11. Rack And Cabinet-Mount

The 19” rack-mounting unit should be either 12 or 24 ports for one rack unit (1RU) and

can be either a fixed position unit or have a slide or swing tray to improve access.

5.3.12. Patch Cords and System Leads



Tenderer shall supply Vendor Cat 5e patch cords and copper System Leads for cross-

connection and/or inteconnection of termination modules, patch panels and network

equipment.

The type of patch cords and system leads shall match the termination module used, ie 8-

pair modules, 25-pair Cat 5e modules or Cat 5e RJ45 patch panel.

Cat 5e RJ45 patch cords shall be factory terminated 4-pair UTP cable with lengths of 1.2,

2.1, 3.0, 4.5, 7.5, and 15 meters.

System Leads shall be supplied and installed to connect the network equipment to the

cross-connect or interconnect modules. The system leads shall have 4-pair conductors

with length and construction (stranded or solid) suited to the installation.

System Leads shall have an RJ45 plug on each end and shall be “cut in half” on site to

achieve the desired lengths from network equipment to cross-connect module. Each

System Lead will produce two (2) system tails (RJ45 plug one end to IDC termination

other end).

5.3.13. Backbone System

The backbone system shall include UTP multi-pair copper cable for voice and 4-pair

copper UTP and/or Fiber optic cable for high-speed data networking in the intra-building

wiring.

The backbone cables shall be run in a star topology, terminated in the Equipment Room

(ER) or Building Distributor (BD) at one end, and in a Floor Distributor (FD) at the other

end.

5.3.14. The UTP copper cables

Shall be marked CM or CMR.

Shall consist of 0.5 mm diameter, twisted pair copper conductor.

The UTP multi-pair cable shall meet the requirements of AS/NZS 3080:2003 and

AS/ACIF S008

5.4. ELEVATOR SERVICES



The supply, installation and commissioning of the elevators shall be undertaken by

others.

This Contractor, the Electrical Services Contractor, shall separate supplies from the Main

L.V. Switchboard, one to the control panel of each elevator.


SPECICATION_ELECTRICAL Page 1/7

TECHNICAL DATA



ELECTRICAL SERVICES

STT

No.

MÔ TẢ

DESCRIPTION

QUI ĐỊNH

REGULATIONS

ĐỀXUẤT

OFFERED

A LOW VOLTAGE – MAIN SWITCH BOARD

HẠ ÁP - TỦ PHÂN PHỐI ĐIỆN CHÍNH

1 Manufacturer:

Hãng sản xuất Sunlight, Hải Nam, Viet Star, Sáng Tạo

2 Country of Origin:

Nước xuất xứ Việt Nam

3 Standard:

Tiêu chuẩn IEC, EN, AS, BS

4 Type Test:

Lọai kiểm tra TTA, IEC 439-1

5 Quantity

Số lượng

Refer to detail design document

Tham khảo trên bản vẽ thiết kế chi tiết

6 Form of Internal Segregation

Mẫu phân chia bên trong 3B

7 Spare Space:

Khỏang trống dự phòng 30%

B CIRCUIT BREAKER (ACB, MCCB, MCB, CB):

THIẾT BỊ ĐÓNG NGẮT MẠCH

1 Manufacturer:

Hãng sản xuất ABB, Schneider, GE


Nước xuất xứ

Ý, Pháp , Mỹ

ITALIA,FRANCE, USA

3 Standard:


3 Rated Currend

Dòng điện định mức



4

Rated Short-Circuit Breaking

Current

Định mức dòng điện cắt ngắn

mạch



C DISTRBUTION BOARDS

TỦ PHÂN PHỐI



1 Manufacturer:

Hãng sản xuất Sunlight, Hải Nam, Viet Star, Sáng Tạo


Nước xuất xứ Việt Nam

3 Standard:


4 Type Test:Lọai kiểm tra TTA, IEC 439-1

5 Form of Internal Segregation

Mẫu phân chia bên trong 2B

6 Spare Space:

Khỏang trống dự phòng 30%

D Ổ CẮM, CÔNG TẮC

SOCKET OUTLET, LIGHT SWITCHES

1 Manufacturer:

Hãng sản xuất PANASONIC, AC, CLIPSAL, LEGRAND


Nước xuất xứ Thái Lan, Malaysia , Pháp

3 Standard:

Tiêu chuẩn IEC 60898,61009,60669; BS 5733

4 Technical data

Thông số kỹ thuật



E LIGHTING

ĐÈN CHIẾU SÁNG

1 Manufacturer:

Hãng sản xuất Philips, Cooper, Sjlite

2 Hãng sản xuất bóng đèn

Lamp Manufacturer: Philips, Cooper, Mestar, Sjlite


Nước xuất xứ Thái Lan,Trung Quốc, Malaysia

4 Standard:

Tiêu chuẩn IEC,IEC 60598,61167; EN 12665

5 Technical data

Thông số kỹ thuật

Refer tender drawings, I.D & Landscape

drawings

Tham khảo trên bản vẽ dự thầu & bản vẽ

Nội thất, Landscape



F CHỐNG SÉT & NỐI ĐẤT

LIGHTNING PROTECTION & EARTHING SYSTEM

1 Manufacturer:

Hãng sản xuất LPI, SYCOM, Technology


Nước xuất xứ Úc , Mỹ

3 Standard:

Tiêu chuẩn

IEC, NZS/AS 1768, NF C17-102, IEC

61643

4 Type:

Loại



G WIRING & ACCESSORIES

DÂY DẪN & PHỤ KIỆN

I CABLE - PVC INSULATED

CÁP - CÁCH ĐIỆN PVC

1 Manufacturer:Hãng sản xuất Taya, Taisin, Taihan-Sacom


Nước xuất xứ Singapore, Hàn quốc

3 Standard:

Tiêu chuẩn

IEC 60502, IEC 60322-1, TCVN 5935, BS

6346, BS 6004

4 Voltage rate

Định mức điện áp 1KV

5

Max. rate conducttor temperature

in normal use

Nhiệt độ ruột dẫn lớn nhất sử dụng

bình thường

70oC

II CABLE - PVC/PVC INSULATED

CÁP - CÁCH ĐIỆN PVC/PVC

1 Manufacturer:

Hãng sản xuất Taya, Taisin, Taihan-Sacom



3 Standard:

Tiêu chuẩn

IEC 60502, IEC 60322-1, TCVN 5935, BS

6346, BS 6004

4 Voltage rate




5


in normal use


bình thường

70oC

III CÁP - CÁCH ĐIỆN XLPE/PVC

CABLING - XLPE/PVC INSULATED

1 Manufacturer:




3 Standard:

Tiêu chuẩn

IEC 60502, IEC 60322-1, TCVN 5935, BS

6346, BS 6004

4 Voltage rate


5


in normal use


bình thường

90oC

IV CABLE - CU/FR INSULATED

CÁP - CÁCH ĐIỆN Cu/FR

1 Manufacturer:




3 Standard:Tiêu chuẩn IEC 60502, IEC 60322-1, TCVN 5935, BS

6346, BS 6004

4 Voltage rate


5


in normal use


bình thường

70oC

V CONDUIT

ỐNG LUỒN DÂY ĐIỆN

1 Manufacturer:

Hãng sản xuất AC, WEGA, GS, CLIPSAL


Nước xuất xứ

Ấn độ, Malaysia

India, Malaysia



3 Standard:

Tiêu chuẩn BS EN 50086, IEC 614

4 Thichness (mm)

Độ dày (mm) 1.4 mm-1.6mm

5 OUTSIDE DIAMETER

Đường kính ngoài ∅20, ∅25, ∅32

6 TYPE

Chuẩn loại HEAVY PVC CONDUIT

7 LENGHT ( m/Piece )

Chiều dài ( m/ống ) 2.92 m/ PIECE

VI MÁNG CÁP

CABLE TRAY

1 Manufacturer:

Hãng sản xuất Sáng Tạo, Việt Star, Reetech


Nước xuất xứ Viet Nam

3 Standard:

Tiêu chuẩn IEC 61537, NEMA VE 1-2002

4 Thichness (mm)

Độ dày (mm) 1.5 -->1,8 mm

5 Standard Length

Chiều dài tiêu chuẩn 2400 mm

VII THANG CÁP

CABLE LADDER

1 Manufacturer:




3 Standard:


4 Thichness (mm)

Độ dày (mm) 1.8 -->2,0 mm

5 Standard LengthChiều dài tiêu

chuẩn 2400 mm

VIII CABLE TRUNKING

HỘP CÁP



1 Manufacturer:




3 Standard:


4 Thichness (mm)

Độ dày (mm) 1.2mm -->1,5mm

5 Standard Length

Chiều dài tiêu chuẩn 2400 mm

Documents

140718 Technical Specification - Electrical Services