Fleetbank House 3rd, 7th and 8th floor refurbishment and

Department for Business Innovation & Skills

Fleetbank House 3rd, 7th and 8th floor refurbishment and associated works

Mechanical & Electrical Services Materials and Workmanship Clauses

January 2014

MEP Materials and Workmanship Clauses

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Copyright © 2011 EC Harris. All rights reserved

An ARCADIS company.

EC Harris LLP is a limited liability partnership, registered in England, registered number OC368843. Registered office, ECHQ, 34 York Way, London, N1 9AB. A list of the members' names is available for inspection at the above office. Part of the ARCADIS Group of Companies, along with other entities in the UK, including EC Harris (UK) Limited. Regulated by RICS.

Contacts

Daniel Birks

Senior FM Engineer

dd 0207 812 2533

df 0207 812 2005

m 07770647372

e [email protected]

EC Harris LLP ECHQ, 34 York Way

London N1 9AB

United Kingdom


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Version control

Issue Revision No. Date Issued Description of Revision: Page No.

Description of Revision: Comment

Reviewed by:


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Contents

MECHANICAL SERVICES

R11 Above ground foul drainage systems .................................................................................................. 4

S10 Hot and cold water supply systems ..................................................................................................... 9

U41 Fan coil units ..................................................................................................................................... 14

U80 Air ductwork and ancillaries............................................................................................................... 15

U87 Silencers and acoustic treatment ...................................................................................................... 20

U88 Air terminal devices ........................................................................................................................... 23

Y10 Pipelines ............................................................................................................................................ 27

Y12 Mechanical cleaning and chemical treatment ................................................................................... 74

Y24 Trace heating tapes ........................................................................................................................... 75

Y30 Mechanical thermal insulation ........................................................................................................... 76

Y31 Vibration isolating mountings............................................................................................................. 82

Y32 Mechanical plant and equipment identification.................................................................................. 85

Y50 Mechanical commissioning................................................................................................................ 97

ELECTRICAL SERVICES

V30 Low voltage distribution systems ....................................................................................................... 99

V32 Low voltage cabling ......................................................................................................................... 101

V39 Electrical inspection and testing ...................................................................................................... 104

V40 Small power systems ....................................................................................................................... 106

V50 General lighting systems ................................................................................................................. 107

V51 Automatic lighting controls ............................................................................................................... 111

V55 Self-contained emergency lighting and signage systems ............................................................... 114

V50 Luminaires and lamps ..................................................................................................................... 117

V80 Electrical identification ..................................................................................................................... 119

V81 Earthing and bonding systems ........................................................................................................ 121

W11 Public address systems .................................................................................................................. 125

W30 Data distribution systems ............................................................................................................... 129

W50 Fire detection and alarm systems .................................................................................................. 129

W51 Voice alarm systems ...................................................................................................................... 135


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R11 Above ground foul drainage systems

To be read with Preliminaries/ General conditions.

ABOVE GROUND FOUL DRAINAGE SYSTEMS

GENERAL

115 ABOVE GROUND FOUL DRAINAGE SYSTEM

• Sanitary and floor drainage outlets: Sanitary fittings as section N13.

• Waste pipework: MUPVC or PVC-C.

• Discharge stack and branch pipework: Cast iron - spigot and socket.

• Separate ventilating pipework: None required.

• Accessories: Rodding eyes.

• Disposal: Submit design and cost proposals.

SYSTEM PERFORMANCE

210 DESIGN

• Design: Complete the design of the above ground foul drainage system.

• Standards: To BS EN 12056-1 and BS EN 12056-2, and in accordance with BS EN 12056-

2 National Annexes NA-NG.

- System type to BS EN 12056-2: System III.

• Proposals: Submit drawings, technical information, calculations and manufacturers'

literature.

220 COLLECTION AND DISTRIBUTION OF FOUL WATER

• General: Quick, quiet and complete, self-cleansing in normal use, without blockage,

crossflow, backfall, leakage, odours, noise nuisance or risk to health.

• Pressure fluctuations in pipework (maximum): ±38 mm water gauge.

• Water seal retained in traps (minimum): 25 mm.

335 CAST IRON PIPEWORK - SPIGOT AND SOCKET- FOR DISCHARGE

STACKS .

• Standard: To BS 416-1 with sockets.

• Manufacturer: Submit proposals .

- Product reference: Submit proposals .

• Type: Submit proposals .

• Nominal sizes: DN 100 and DN 150 .

• Finish: Factory prepainted semigloss black .

• Brackets: Galvanized steel .

- Fixings: Stainless steel screws .

Size: 25 x 4 mm .

• Accessories:


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- Access fittings;

Wire balloons .

350 MUPVC OR PVC-C PIPEWORKFOR WASTES.

• Material and standard:

- MUPVC: To BS 5255 and Kitemark certified; or

- PVC-C: To BS EN 1566-1, and Kitemark certified.

Application area code: B.

Opening dimensions of access fittings, design of swept fittings, stand off dimensions of

pipe and fitting brackets and requirements for adaptors and plugs: To BS 4514.

• Manufacturer: Submit proposals.

- Product reference: Submit proposals.

• Nominal sizes:

- DN 32;

- DN 40; and

- DN 50.

• Colour: White where exposed to view.

• Brackets: Plastics pipe clips, colour to match pipes.

- Fixings: Stainless steel screws.

Size: 25 x 4 mm.

• Accessories: Access fittings.

383 INSULATION TO INTERNAL PIPELINE



• Material: Preformed flexible closed cell split tube.

• Thermal conductivity (maximum): 0.045 W/m·K.

• Thickness: 25 mm.

• Fire performance: Class 1 spread of flame when tested to BS 476-7 or Class CL to BS EN

13501-1.

390 RODDING EYESINTERNALLY.



• Body material: PVC-U.

• Cover type: Recessed to receive tile finish.

• Cover material: PVC-U.

EXECUTION

601 INSTALLATION GENERALLY

• Standard: To BS EN 12056-5.

• Components: From the same manufacturer for each type of pipework.

• Electrolytic corrosion: Avoid contact between dissimilar metals where corrosion may occur.


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• Plastics and galvanized steel pipes: Do not bend.

• Allowance for thermal and building movement: Provide and maintain clearance as fixing

and jointing proceeds.

• Concealed or inaccessible surfaces: Decorate before starting work specified in this section.

• Protection:

- Purpose made temporary caps: Fit to prevent ingress of debris.

Access covers, cleaning eyes and blanking plates: Fit as the work proceeds.

605 PIPE ROUTES

• General: The shortest practical, with as few bends as possible.

- Bends in wet portion of soil stacks: Not permitted.

- Routes not shown on drawings: Submit proposals before commencing work.

630 JOINTING PIPEWORK - GENERALLY

• General: Joint with materials, fittings and techniques that will make effective and durable

connections.

• Jointing differing pipework systems: With adaptors intended for the purpose.

• Cut ends of pipes: Clean and square. Remove burrs and swarf. Chamfer pipe ends before

inserting into ring seal sockets.

• Jointing or mating surfaces: Clean and, where necessary, lubricate immediately before

assembly.

• Junctions: Form with fittings intended for the purpose.

• Jointing material: Do not allow it to project into bore of pipes and fittings.

• Surplus flux, solvent jointing materials and cement: Remove from joints.

645 JOINTING PIPEWORK - CAST IRON - SPIGOT AND SOCKET

• Jointing: Cold caulking compound.

660 JOINTING PIPEWORK - ABS, MUPVC, PVC-C AND PVC-U

• Jointing: Solvent welded with lubricated ring seal joints at maximum 1800 mm spacing .

675 COATED PIPES

• Cutting: Recoat bare metal.

680 ELECTRICAL CONTINUITY

• Joints in metal pipes with flexible couplings: Make with clips (or suitable standard pipe

couplings) supplied for earth bonding by pipework manufacturer to ensure electrical

continuity.

685 IDENTIFICATION OF INTERNAL FOUL DRAINAGE PIPEWORK

• Markings: To BS 1710.

- Type: Black bands, with arrows to indicate direction of flow.

- Wording: White lettering 'FOUL DRAINAGE' on a black background.


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• Type: Integral lettering on pipe wall, self-adhesive bands or identification clips.

• Locations: At 500 mm centres, junctions and both sides of slabs, valves, appliances,

bulkheads and wall penetrations.

690 IDENTIFICATION OF INTERNAL GREY WATER DRAINAGE PIPEWORK

• Grey water: As defined in, clause 3.1.

• Markings: To BS 1710:

- Type: Black pipe colour with arrows to indicate direction of flow.

- Wording: Black lettering 'GREY WATER' on a light grey background..

• Type: Integral lettering on pipe wall, self-adhesive bands or identification clips.

• Locations: At 500 mm centres, junctions, and both sides of slabs, valves, appliances,

bulkheads and wall penetrations.

695 DISCHARGE AND VENTILATION STACKS

• Terminations: Perforated cover or cage that does not restrict airflow.

- Material: Metallic.

705 ACCESS FOR TESTING AND MAINTENANCE

• General: Install pipework with adequate clearance to permit testing, cleaning and

maintenance, including painting where necessary.

• Access fittings and rodding eyes: Position to avoid obstruction.

COMPLETION

900 TESTING GENERALLY

• Dates for testing: Give notice.

- Period of notice (minimum): 5 working days.

• Preparation:

- Pipework: Securely fixed and free from obstruction and debris.

- Traps: Filled with clean water.

• Testing:

- Supply clean water, assistance and apparatus.

- Do not use smoke to trace leaks.

• Records: Submit a record of tests.

905 PIPEWORK AIRTIGHTNESS TEST

• Preparation:

- Open ends of pipework: Temporarily seal using plugs.

- Test apparatus: Connect a 'U' tube water gauge and air pump to pipework via a plug or

through trap of an appliance.

• Testing: Pump air into pipework until gauge registers 38 mm.

• Required performance: Pressure of 38 mm is to be maintained without loss for at least

three minutes.

910 SIPHONAGE AND BACK PRESSURE TESTS


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• Method:

- WC pans: Test by flushing.

- Other appliances: Test by filling to overflow level, then removing the plug.

• Number of tests: Test each appliance three times. Recharge traps before each test.

• Self siphonage testing: Test each appliance individually.

• Induced siphonage and back pressure testing: Test by discharging the following numbers

of appliances simultaneously on each stack:

- WCs: 4.

- Washbasins: 4.

- Sinks: 2.

- Selection of appliances: Submit proposals.

915 PREHANDOVER CHECKS

• Temporary caps: Remove.

• Permanent blanking caps, access covers, rodding eyes, floor gratings and the like: Secure

complete with fixings.

920 SUBMITTALS

• Manufacturer's instructions for grease traps: Handover at completion.


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S10 Hot and cold water supply systems

To be read with Preliminaries/ General conditions

GENERAL

120A COLD WATER SUPPLY SYSTEMGenerally

• Type: Submit design and cost proposals.

• Water meters: Not required.

• Storage tank or cistern: Not required.

Water treatment: As section S12.

• Pipelines:

- Above ground: As section Y10.

• Pipeline ancillaries: As section Y11.

• Thermal insulation:

- Pipelines: As section Y30.

- Tanks: As section Y30.

• Vibration isolation:

- Compression isolators, as section Y31;

- Flexible hoses, as section Y31;

- Isolation hangers, as section Y31;

- Pad mountings, as section Y31;

- Rubber bellows, as section Y31; and

- Spring isolators, as section Y31.

• Controls: As section Y40.

• Accessories: Water leak detection and alarm system, as section W58.

• Completion:

- Cleaning and chemical treatment: Flushing and chemical treatment, as section Y12.

- Plant and equipment identification: As section Y32.

- Commissioning: Commissioning of cold water supply systems, as section Y50.

150A DIRECT HOT WATER STORAGE SUPPLY SYSTEMGenerally

• Controls: As section Y40.

• Accessories: Trace heating, as section Y24.

• Completion:

- Cleaning and chemical treatment: Flushing and chemical treatment, as section Y12.

- Plant and equipment identification: As section Y32.

- Commissioning: Commissioning of hot water supply systems, as section Y50.

SYSTEM PERFORMANCE

210 DESIGN AND DETAILING

• Design: Complete the design and detailing of the hot and cold water supply.


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• Standard: To BS 6700 or BS EN 806-2 and in accordance with HSE publication 'The

control of legionella bacteria in water systems. Approved code of practice and guidance'.

• Proposals: Submit drawings, technical information, calculations and manufacturer's

literature.

250 PIPELINE SIZES

• Sizing: Calculate sizes to meet simultaneous demand for the building in accordance with

BS 6700 Appendix D or BS EN 806-3. Submit proposals.

• Performance:

- Water velocity (maximum): 1.3 m/s for hot water and 2.0 m/s for cold water.

- Filling time (maximum) for cold water storage cistern: Submit proposals.

255 DRAW OFF REQUIREMENTS

• Baths (G¾):

- Type of supply: Hot and cold.

- Discharge rate (design): 0.3 L/s.

• Baths (G1):



- Hot water discharge temperature (maximum): 48°C.

• Bidets:



• Dish-washing machines:

- Type of supply: Cold from mains.


• Handbasins (pillar or mixer taps):



• Handbasin (spray or spray mixer taps):


- Discharge rate (minimum): 0.05 L/s.

• Kitchen sinks (G½):

- Type of supply: Hot and cold from mains.


• Kitchen sinks (G¾):



• Kitchen sinks (G1):




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• Shower heads:

- Type of supply: Cold from mains.

- Discharge rate (minimum): 0.2 L/s.

• Urinal cisterns (each position served):

- Type of supply: Cold from cistern.


• Urinal flushing valve:



• Washbasins (pillar or mixer taps):



• Washing machines:



• WC cisterns (to fill in 2 minutes):



• WC flushing troughs:



• WC pressure flushing valves:



PRODUCTS

310 DEZINCIFICATION

• Fittings, pipelines and equipment located below ground or in concealed or inaccessible

locations: Resistant to dezincification, e.g. gunmetal.

400 IMMERSION HEATERS GENERALLY


- Product reference: Contractor's choice.

• Standard: To BS EN 60335-2-73, BEAB Approved.

• Type: Single element, alloy sheathed.

• Rating: 3 kW.

• Size: To suit cylinder size and location.

• Mounting: Submit proposals.

• Thermostat: Stem type adjustable.

430 STORAGE WATER HEATERS, GAS FIREDFOR HALIFAX


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• Standard: To BS EN 89.

• Performance: To BS EN 13203-1 and BS EN 13203-2.

• Type: Multipoint - mains supply.

• Capacity: Submit proposals.

• Rating: Submit proposals.

• Flow rate: To suit draw off requirements.

• Fuel: Gas, as section S32.

• Casing finish: White vitreous enamel.

• Controls: Submit proposals.

• Flues and chimneys: Integral balanced flue.

• Accessories: Submit proposals.

EXECUTION

610A STRIPPING OUT

• Extent of stripping out: See Particular Specification Section 3

620 INSTALLATION OF HOT AND COLD WATER SYSTEMS GENERALLY

• Standard: To BS 6700 and BS EN 806-4.

• Performance: Free from leaks and the audible effects of expansion, vibration and water

hammer.

• Fixing of equipment, components and accessories: Fix securely, parallel or perpendicular

to the structure of the building.

• Preparation: Immediately before installing tanks and cisterns on a floor or platform, clear

the surface completely of debris and projections.

• Corrosion resistance: In locations where moisture is present or may occur, avoid contact

between dissimilar metals by use of suitable washers, gaskets, and the like.

690 HYDRAULIC PRESSURE TESTING OF HOT AND COLD WATER SUPPLY SYSTEMS

• Standard: To BS 6700 and BS EN 806-4.

• Notice (minimum): 1 week.

• Pressure: 1.5 times working pressure.

• Duration of test: 1 h.

SYSTEM COMPLETION

810 DOCUMENTATION

• Manufacturers' operating and maintenance instructions: Submit for equipment and

controls.

• System operating and maintenance instructions: Submit for the system as a whole giving

optimum settings for controls.

• Record drawings: Submit drawings showing the location of circuits and operating controls.


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• Wholesome water consumption notice: Submit within five days.

820 SPARES

• Pipeline ancillaries:

- Keys: As section Y11.

- Hose unions: As section Y11.

• Pumps: Hot Water Secondary.

Belts and pulleys: As section Y20.

830 OPERATING TOOLS

• Tools: Supply tools for operation, maintenance and cleaning purposes.

• Keys: Supply keys for valves and vents.


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U41 Fan coil units


PRODUCTS

310 FAN COIL UNITS Generally

• Performance: To BS 4856.

• Manufacturer: Quartz equal or approved.


• Water temperature:

- Heating flow: Submit proposals.

- Heating return: Submit proposals.

- Chilled water flow: Submit proposals.

- Chilled water return: Submit proposals.

• Primary air supply :

- Volume: Submit proposals.

- Dry bulb: Submit proposals.

- Wet bulb: Submit proposals.

• Fan speed: EC variable speed - Low.

• Noise levels: See design criteria / acoustic specification

• Electrical supply type: Single phase.

• Casings: Manufacturer's standard.

• Mounting: Horizontal.

• Finish: Manufacturer's standard.

• Ductwork connections: To comply with the new layout, inline with the unit and max 500mm

distance.

• Access: Provide access to filter, fan and motor, valves and controls.

• Drip tray:

- Position: Under coil, and under control valve where fitted.

- Material: Corrosion resistant.

- Condensation: Insulate external faces to prevent.

• Controls: To link into the sites BMS system.

• Accessories: Filters.

388 FAN COIL UNIT, WATER SIDE CONTROL STRATEGY GENERALLY

• Equipment to be controlled: Fan coil unit or group of fan coil units with fans, heating coils

and cooling coils.

- Motor speed: Two speed.

• Shut down: Disable unit with fan switched off and valves closed.

• Low outside temperature or low return water temperature condition: Open valves.

• Fan overrun operation: Close cooling valve.


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- Heater: Disable heater battery.

- Fan: Run fan on low speed.

• Optimum start heating, boost or low zone temperature condition: Close cooling valve.

- Heater: Fully open heating valve.

- Fan: Run.

• Optimum start cooling: Fully open cooling valve and disable heating.

- Fan: Run.

• Night cooling: Close valves and disable heating.

- Fan: Run on high speed.

• Normal operation: Modulate the heating and cooling valve positions under PI control to

provide the zone heating and cooling temperature set points.

- Heating set point: Submit proposals.

- Cooling set point: Submit proposals.

- Fan: Run.

EXECUTION

610 FAN COIL UNIT DRAIN LINE

• Drain connections: Connect drainline flush with bottom of drip tray.

• Drain line material: Copper.

U80 Air ductwork and ancillaries


PRODUCTS

305 DAMPERS, FIRE AND SMOKE, METAL DUCTWORKGenerally




• Type: Folding curtain blades out of air stream.

• Material: Stainless steel.

• Accessories: Electrical cut-out switches.

• Fusible links:

- Fusing temperature: 72°C.

- Spare fusible links: Five per Damper.

307 DAMPERS, FIRE AND SMOKE, INTUMESCENTGenerally



• Standard: To BS ISO 10294-5.


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• Type: Intumescent.

310 DAMPERS, NON-RETURNGenerally




• Leakage through closed blades: Class 3.

• Casing leakage: A.

• Pressure: Positive.

• Material: Galvanized sheet steel frame and aluminium blades..

330 DAMPERS, SHUT OFFGeneral




• Leakage through closed blades: Class 3.

• Casing leakage: A.

• Pressure: Positive.

• Setting: 100%.

• Material: Galvanized sheet steel.

• Control method: Pneumatic.

340 FLEXIBLE DUCTWORK Generally



• Standard: To HVCA DW/144.

• Material: Aluminium and polyester laminate encapsulating high tensile steel wire helix.

380 ACCESS DOORSGenerally.



• Material: Galvanized sheet steel.

FABRICATION

550 SHEET METAL DUCTWORK AND FITTINGS, CIRCULARGenerally

• Standards: To HVCA DW/144, BS EN 1506 and BS EN 12237.

• Classification to DW/144: Class A.

• Air leakage testing: Required.

• Special installations: Not applicable.

• Material: Zinc coated steel.

• Construction: Spirally wound .


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• Regulating dampers:

- Standard: As HVCA DW/144.

- Balancing type: Opposed blade.

- Operation: Manual.

- Material: To match ductwork.

• Flexible joint connections: Fit on fan inlets and outlets and at building expansion joints.

• Hangers and supports:

- Standard: As section Y31.

- Strength requirements: To BS EN 12236.

• Access openings:

- Function:

- Inspection;

- Cleaning; and

- Maintenance.

- Sizes: To HVCA DW/144, Appendix D.

555 SHEET METAL DUCTWORK AND FITTINGS, FLAT OVAL Generally.






• Construction: Spirally wound .


- Standard: To HVCA DW/144.

- Balancing type: Double skin multi-blade damper.

- Operation: Manual.

- Material: Stainless steel.






- Function:

- Inspection;

- Cleaning; and

- Maintenance.


560 SHEET METAL DUCTWORK AND FITTINGS, RECTANGULAR Generally

• Standards: To HVCA DW/144 and BS EN 1505.


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- Balancing type: Double skin multi-blade damper.

- Operation: Automatic .

- Material: Stainless steel.






- Function:

- Inspection;

- Cleaning; and

- Maintenance.


EXECUTION

610 AIR DUCTWORK GENERALLY

• Cut edges on ductwork, flanges and supports: Smooth and burr free.

640 INSTALLATION OF SHEET METAL DUCTWORK


• Installing flexible joint connections: Install fully stretched to minimize pressure drop.

650 SUPPORT OF AIR TERMINAL UNITS IN CEILING GRIDS


• Special supports: Required.

• Position: Agree final position of air terminals before installation.

670 DUCTWORK SUPPORT FOR VAPOUR SEAL CONTINUITY

• Method of support: Submit Proposals.

690 DRAINAGE OF DUCTWORK

• Ductwork: Install to drain entrained moisture

• Joints: Lap to minimize moisture leakage.

700 TEST HOLES IN DUCTWORK

• Location: In accordance with CIBSE Commissioning Code Series A and HVCA DW/144.

710 INSTALLING CONTROLS AND SENSING EQUIPMENT IN PLASTICS DUCTWORK


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• Generally: Install sensors and test points to suit specialist control and sensing equipment.

720 WEATHERPROOFING DUCTWORK PENETRATIONS

• Roof penetrations: Submit Poposals.

• Wall penetrations: Submit Poposals.

725 INSTALLING FIRE AND SMOKE CONTROL DAMPERS

• Standard: In accordance with ASFP Industry guide to the design for the installation of fire

and smoke resisting dampers.

730 FIRE RATED DUCTWORK SLEEVES

• Location: Submit proposals.

• Material: Submit proposals.

740 INSTALLING CONTROL EQUIPMENT AND INSTRUMENTS IN METAL DUCTWORK

• General: Fit sensors, damper motors and other control equipment.

• Connections: Connect control equipment and instruments.

750 ACCESS TO DAMPERS FOR RESETTING AND MAINTENANCE

• Location: Provide access to damper mechanisms on fire dampers; smoke dampers;

combined smoke and fire dampers; and volume control dampers through access doors,

suspended ceilings etc. Where more than one fire damper is installed in a frame provide

access to all fire dampers.

• Fire links: Provide access so that they can be replaced.

760 DUCTWORK CLEANLINESSGenerally

• Cleaning: In accordance with HVCA TR/19.

• Level of protection: PD1.

765 SPECIALIST DUCTWORK CLEANINGGenerally


• Specialist: Submit proposals.

• Level of protection: Submit proposals.

• Cleaning process: Submit proposals.

770 VERIFICATION OF CLEANLINESS OF VENTILATION SYSTEMS

• Verification: In accordance with HVCA TR/19.

• Method: Vacuum test.

• Completion report:

- Format: Paper copy.

- Submit: On completion.

- Number of copies: 3.

775 CLEANING OF KITCHEN EXTRACT SYSTEMS


• Method of test: Deposit thickness test.


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• Method of cleaning: High pressure water wash (steam).

• Post clean verification of cleanliness report:




780 AIR LEAKAGE TESTING OF HIGH PRESSURE DUCTWORK

• Testing: To HVCA DW/144 and in accordance with DW/143.

• Report:



- Numbers of copies: 3.

785 AIR LEAKAGE TESTING OF MEDIUM PRESSURE DUCTWORK


• Extent: Random testing of 10% maximum of the ductwork system.

• Test pressure: To HVCA DW/144.

• Documentation: Submit calculations used to arrive at the allowable loss for the section to

be tested.

• Report:




790 AIR LEAKAGE TESTING OF PLANT ITEMS


• Procedure: Include in-line plant with certificate of conformity for pressure class and air

leakage classification for system under test..

• Report:




U87 Silencers and acoustic treatment


PRODUCTS

310A CIRCULAR SILENCERSFOR ALL SITES



• Application: Supply.


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• Performance requirements: To BS EN ISO 7235 and BS EN ISO 11691.

- Insertion loss: Submit proposals.

- Air flow: Submit proposals.

- Permissible pressure loss: Submit proposals.

• Casing material: Metal.

• Lining material: Inert, fire proof, inorganic and non- hygroscopic.

• Duct connections: Manufacturer's standard.

• Markings: Show direction of air flow on silencer.

310B CIRCULAR SILENCERSFOR ALL SITES



• Application: Extract.









320A RECTANGULAR SILENCERSFOR ALL SITES









• Lining material: Inert, fire proof, inorganic and non-hygroscopic.


• Splitters: Low loss fairings on entry and exit.


320B RECTANGULAR SILENCERSFOR ALL SITES






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• Lining material: Inert, fire proof, inorganic and non-hygroscopic.


• Splitters: Low loss fairings on entry and exit.


330 AIR TRANSFER AND CROSS TALK ATTENUATORSFOR ALL SITES










340 ACOUSTIC LININGS FOR ALL SITES

• Standard: To DW/144.



• Duty:




• Lining material: Inert, fire proof, inorganic and non hygroscopic.

• Protective lining: Protect acoustic lining against product migration and erosion.

350 ACOUSTIC INSULATIONFOR ALL SITES



• Duty:


• Material: Lightweight resilient glass fibre.

• Outer covering: Wire mesh.

360A ACOUSTIC LOUVRES FOR ALL SITES




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• Duty:


• Performance: Submit certified acoustic performance data measured to BS EN ISO 140-3.

Submit louvre weatherproof performance data to BS EN 13030.


• Construction: Robust with purpose made subframe and aerodynamically profiled louvre

blades. Provide integral drainage channels and drip sills.

• Acoustic infill: Inert, fire proof, inorganic, vermin proof and non-hygroscopic. Cover and

retain to prevent erosion.

• Arrangement: In modular panel form.

• Screen: Bird-screen across inside face of louvres.

360B ACOUSTIC LOUVRES FOR ALL SITES



• Duty:


• Performance: Submit certified acoustic performance data measured to BS EN ISO 140-3.

Submit louvre weatherproof performance data to BS EN 13030.


• Construction: Robust with purpose made subframe and aerodynamically profiled louvre

blades. Provide integral drainage channels and drip sills.

• Acoustic infill: Inert, fire proof, inorganic, vermin proof and non-hygroscopic. Cover and

retain to prevent erosion.

• Arrangement: In modular panel form.


EXECUTION

610 ACOUSTIC LININGS

• Access: Where personnel access is provided, protect acoustic linings to prevent damage.

620 INSTALLING LOUVRES

• Positioning: In accordance with CIBSE TM21.

U88 Air terminal devices


PRODUCTS

310A AIR TERMINAL DEVICES, SPECIALISTFOR ALL SITES

• Performance:

- Mixed flow applications: To BS EN 12238.


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- Sound power levels: To BS EN ISO 5135.

320A AIR TERMINAL LUMINAIRESFOR ALL SITES

• Standard: To BS 4533-102.19.

• Air distribution: Mixed flow.

• Position: Ceiling.

330A DIFFUSERS FOR ALL SITES

• Performance:



340A DIFFUSERS, DISPLACEMENT VENTILATIONFOR ALL SITES

• Performance:

- Displacement flow applications: To BS EN 12239.


350A DIFFUSERS, FLOOR LINEARFOR ALL SITES


- Classification: Extra heavy.

• Performance:



360A DIFFUSERS, LINEARFOR ALL SITES

• Performance:



370A DIFFUSERS, SWIRL FOR ALL SITES

• Performance:



380A EXTERNAL LOUVRES FOR ALL SITES




• Duty: Submit proposals.

• Construction: Robust with purpose made subframe. Provide integral drainage channels

and drip cills.

• Configuration: In modular panel form.


380B EXTERNAL LOUVRES FOR ALL SITES


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• Construction: Robust with purpose made subframe. Provide integral drainage channels

and drip cills.

• Configuration: In modular panel form.


390A GRILLES FOR ALL SITES

• Performance:


- Displacement flow applications: To BS EN 12239.


410 PLENUM BOXES, CEILING OR WALL MOUNTEDFOR ALL SITES


• Configuration: Single plenum box or a series of plenum boxes butted together to form a

continuous length.

• Construction: Sturdy and rigid with circular inlet spigots of 65 mm minimum length.

• Fixing: Incorporate means for fixing to, or suspending from, building or other construction.

420 PLENUM BOXES, FLOOR MOUNTEDFOR ALL SITES


• Configuration: Single plenum box or a series of plenum boxes butted together to form a

continuous length.

• Construction: Sturdy and rigid with circular inlet spigots of 65 mm minimum length. Provide

box base and reinforcement able to withstand casting into floor slab.

• Fixing: Incorporate means for fixing to slab, or ties for casting into a floor slab.

EXECUTION

610 INSTALLATION

• General: Do not distort air terminal devices. Fix securely.

• Air leakage: Prevent. Seal joints with self adhesive foam strip or equivalent.

• Appearance: Finish visible edge joints neatly. Do not leave sharp edges and protruding

screws.

620 FIXING CIRCULAR AND RECTANGULAR DIFFUSERS

• Method: Suspension bolts and brackets.

630 FIXING FLOOR MOUNTED LINEAR DIFFUSERS

• General: Fit flush with finished floor.

• Method: Floor grille with jacks.


echarris.com 26


640 FIXING LINEAR AND SLOT DIFFUSERS

• Method: Bracket from plenum box.

650 FIXING FLOOR MOUNTED SWIRL DIFFUSERS

• General: Fit flush with finished floor.

• Method: Core and trim ring and cover plate.

660 FIXING GRILLES

• Method: Concealed with rear bracket.

670 OPERATION

• General: Fit so that moving parts operate correctly and removable cores can be taken out

and replaced.

• High level and ceiling applications: On removable cores, provide safety wires with quick

release ends.

680 BLANKING PLATES

• Location: Where needed to restrict projection of air flow from section of grille or diffuser.

690 INSTALLING LOUVRES

• Positioning: In accordance with CIBSE TM21.

COMPLETION

910 SPARES

• Loose keys: Supply for adjusting each size and type of grille, and for operating

accessories.

- Quantity: 1.


echarris.com 27


Y10 Pipelines


GENERAL

110 STEEL PIPELINES

- FOR CHILLED WATER SYSTEMS;

- FOR LOW TEMPERATURE HOT WATER HEATING SYSTEMS

• Thickness series for tubes to BS EN 10255: Heavy.

• Quality for tubes to BS EN 10216-1 or BS EN 10217-1: TR2.

• Finish: Varnish.

• Jointing method:

- Permanently concealed: Welded class 1.

- Accessible:

- Screwed up to and including 50 mm;

- Welded and flanged 65 mm and over;

- Welded class 1; or

- Welded class 2.

• Pipe supports: As section Y31.

120 COPPER PIPELINES

- FOR COLD FEED AND VENTS;

- FOR COLD WATER SUPPLY SYSTEMS;

- FOR HOT AND COLD WATER SUPPLY SYSTEMS;

- FOR LOW TEMPERATURE HOT WATER HEATING SYSTEMS; and

- FOR NATURAL GAS SUPPLY SYSTEMS

• Standard: To BS EN 1057

- Grade:

- R220;

- R250; and

- R290.

- Finish: Plain.

• Jointing method:

- Permanently concealed: Brazed.

- Accessible: Capillary up to 67 mm for pressure up to 600 kPa and 110°C and Capillary

67 mm to 108 mm for pressure up to 400 kPa and 110°C.


130 PLASTICS WATER PIPELINESFOR POTABLE MAINS COLD WATER SUPPLY




echarris.com 28


• Pipe and fittings: PVC-U.

- Classification to BS 7291-1: Class S.

- Classification to BS EN ISO 15874-1, BS EN ISO 15875-1, BS EN ISO 15876-1 or BS

EN ISO 15877-1: Not applicable.

- Classification to BS ISO 4427-1: Not applicable.

- Colour: Black.

• Jointing method: Solvent.

• Pipe supports: Required.

136 PLASTICS CONDENSATE DRAINAGE PIPELINESFOR FAN COIL UNIT



• Pipe and fittings: PVC-U.

- Classification to BS 7291-1: Not applicable.

- Classification to BS EN ISO 15875-1 or BS EN ISO 15877-1: Class 1.

- Colour: Contractor's choice.

• Jointing method: Solvent.


PRODUCTS

310 STEEL TUBES

• < 150 mm: To BS EN 10255.

• 150 mm and above: To BS EN 10216-1 and BS EN 10217-1.

320 JOINTING MATERIALS FOR STEEL TUBES

• Jointing compound: To BS 6956-5.

• PTFE tape: To BS EN 751-3.

• Flange jointing rings: To BS EN 1514-4.

• Elastomeric gaskets: To BS EN 681-1.

• Welding rods:

- Gas welding: To BS EN 12536.

- Arc welding: To BS EN ISO 636.

330 FITTINGS FOR STEEL TUBES

• Malleable: To BS 143 and BS 1256.

• Flanged: To BS EN 1092-1.

• Welded: To BS EN 10253-1 and BS EN 10253-2.

• Mechanical couplings: Manufacturer's standard.

340 COPPER TUBES


- Buried R220.


echarris.com 29


- Above ground R250.

350 JOINTING MATERIALS FOR COPPER TUBES

• Solder for capillary fittings: To BS EN ISO 9453.

• Lead free solder for capillary fittings: To BS EN ISO 9453.

• Brazing filling: To BS EN 1044.

• Flange jointing rings: To BS EN 1514-4.

360 FITTINGS FOR COPPER TUBES

• Capillary: To BS EN 1254-1.

• Compression: To BS EN 1254-2.

• Flanges: To BS EN 1092-3.

• Press fittings: To manufacturer's standard.

381 UNPLASTICIZED POLYVINYLCHLORIDE (PVC-U) TUBES

• Standard:

- Pipe: To BS EN ISO 1452-2.

- Fittings: To BS EN ISO 1452-3.

385 JOINTING MATERIALS FOR PLASTICS TUBES

• Standards:

- Compression: To BS EN 1254-3.

- Electrofusion: To BS EN 12201-3.

- Socket and spigot: To BS EN 12201-3.

- Solvent cement: To BS EN ISO 1452-3.

- Elastomeric ring seal: To BS EN ISO 1452-3.

430 MASKING PLATES

• Material:

- All pipes except chromium plated copper: Plastic.

- Chromium plated copper pipes: Chromium plated.

• Type: Split.

490 PIPELINE SUPPORTSGENERALLY

• Type: Pipe clip, sling rod, washer and nuts.



• Material: Gunmetal.

EXECUTION

605 PIPELINES INSTALLATION GENERALLY

• Installation: In accordance with the latest edition of HVCA TR/20.

• Appearance: Install exposed pipe runs parallel with other pipe or service runs and building

structure, taking account of gradients for draining or venting. Set vertical pipes plumb, or


echarris.com 30


follow building line.

• Gradients: Install with gradients to allow drainage and air release.

• Air venting: Provide vents at high points.

• Draining: Provide drains at low points.

• Pipeline expansion and contraction: Arrange supports and fixings to accommodate pipeline

movement caused by the thermal changes. Allow for movement at branch connections.

• Pipeline support: Arrange supports and accessories for equipment, appliances and

ancillary fitments in pipelines, so that no undue strain is imposed upon pipes.

• Dirt, insects and rodents: Prevent ingress.

610 SPACING OF PIPELINES

• Minimum clearance between insulated pipelines and:

- Wall finish: 25 mm.

- Ceiling finish or soffit: 100 mm.

- Floor finish: 150 mm.

- Electrical services: 150 mm.

- Adjacent services: 100 mm.

- Uninsulated pipeline: 75 mm.

- Another insulated pipeline: 25 mm.

• Minimum clearance between uninsulated pipelines and:

- Wall finish: 25 mm.

- Ceiling finish or soffit: 100 mm.

- Floor finish: 150 mm.

- Electrical services: 150 mm.

- Adjacent services: 150 mm.

- Another uninsulated pipeline: 25 mm.

620A PIPELINE SUPPORTS Generally

• Type: One piece strap, sling rod, washer and nuts.



- Material: Gunmetal.

620B PIPELINE SUPPORTS Generally

• Type: Overstrap, washer and nuts.




620C PIPELINE SUPPORTS Generally

• Type: Pipe clip, sling rod, washer and nuts.



echarris.com 31




620D PIPELINE SUPPORTS Generally

• Type: Roller and chair asembly.




620E PIPELINE SUPPORTS Generally

• Type: Split ring, spacer nipple and backplate.




620F PIPELINE SUPPORTS Generally

• Type: U- bolt, washers and nuts.




621 PIPELINE SUPPORT BRACKETS

• Type: Unistrut support.

• Finish: Match pipeline supports.

625 PIPELINE FITTINGS

• Reductions and enlargements:

- On horizontal pipeline runs: Eccentric.

- On vertical pipeline runs: Concentric.

• Bushes: Use only at radiators.

• Square tees: Provide at vent and drain points.

• Square elbows: Do not use.

• Fabricated junctions and fittings: Same material as the main pipeline.

• Demountable joints: Regularly spaced along pipeline runs and at items of equipment.

630 PIPELINE SLEEVES

• Sleeves: Fit to pipes passing through building fabric.

• Material: Match pipeline.

• Size: One or two sizes larger than pipe to allow clearance.

• Finish: Install sleeves flush with building finish. In areas where floors are washed down,

install protruding 100 mm above floor finish.

• Masking plates: Fit at visible penetrations, including through false ceilings of occupied

rooms.


echarris.com 32


635 DISSIMILAR METALS

• Electrolytic corrosion: Prevent.

640 ANCHORS GENERALLY

• Design: To resist axial stress transmitted by flexure of horizontal and vertical pipe runs,

and loading on vertical pipes.

• Fixings: Provide associated backing plates, nuts, washers and bolts for attachment to, or

building into building structure.

• Building structure: Suitable for transmitted stress.

645 ANCHORS FOR STEEL PIPES

• Anchor: Two slip on flanges welded to pipes, bolted together through a carbon steel

channel section.

• Fixing: Bolted to building structure.

• Pipe restraints: Carbon steel overstraps or heavy U-bolts welded to pipes.

650 ANCHORS FOR COPPER PIPES

• Anchor: Two flanges fixed to copper female adaptors.

• Anchor fixing: Bolted to building structure.

• Pipe restraints: Saddle clamps.

660 SLIDE GUIDES

• Expansion and contraction: Direct movement from pipe anchor points towards loops,

bellows or flexible inserts.

• Thrust: Linear relative to the axis of pipe.

• Friction: Apply a friction reducing material between metal faces subjected to movement.

665 WELDING STEEL PIPEWORK GENERALLY

• Standard: In accordance with HVCA TR/5.

• Welder identification: Mark each weld to identify operative.

• Non-destructive testing method: Ultrasonic examination.

• Completed welds: Wire brush and protect from corrosion.

670 FLANGED JOINTS IN STEEL PIPES

• Preparation:

- Flange mating faces: Parallel.

- Flange peripheries: Flush with each other.

- Bolt holes: Align correctly.

• Welded flanges: Weld neck and bore of 'slip on' flanges. Butt weld neck of welding neck

flanges.

• Screwed flanges: Apply jointing materials. Screw on flange. Expand tube into flange.

• Making and sealing: Insert jointing between flange mating faces. Tighten joint equally all

round.


echarris.com 33


675 SCREWED JOINTS IN STEEL PIPES

• Preparation of plain ends: Cut square. Ream out bore. Screw, taper thread.

• Making and sealing: Coat male pipe threads with jointing compound and hemp, or PTFE

tape on small sizes. Immediately after connect with female end of socket or fitting, and

tighten. Remove coating intruding into pipe. Leave joint clean.

690 BRAZED JOINTS IN COPPER AND COPPER ALLOY PIPES

• Preparation, marking and sealing: In accordance with BS EN 14324.

• Brazing alloy filler: Silver.

700 CAPILLARY JOINTS IN COPPER PIPES


• Preparation: Cut square and deburr. Clean plain ends using fine steel wool.

• Making and sealing: Do not use excess flux. Make joint. Clean off traces of flux when

completed.

710 COMPRESSION JOINTS IN COPPER PIPES


• Preparation: Cut square and deburr.

• Making and sealing:

- Type A: Compress ring onto the wall of the tube.

- Type B: Compress the formed portion of the tube against the formed end of the fitting.

745 JOINTS IN PVC PIPES

• Type: Solvent welded generally, and ring seal at expansion joints.

• Preparation: Cut plain ends square and deburr. Clean plain ends using solvent cleaner.

750 FUSION JOINTS IN POLYETHYLENE PIPES

• Preparation: Cut plain ends square. Form pipe ends for socket type joints.

755 MECHANICAL FITTINGS FOR POLYETHYLENE PIPES

• Preparation: Cut plain ends square. Check wall thickness and pressure rating of fitting.

765 PROTECTION OF UNDERGROUND PIPEWORK

• Protection: Apply an anticorrosive, non- cracking, non-hardening, waterproof sealing tape.

• Application: After cleaning pipework wrap two layers contrawise spirally around the pipe,

with 50% minimum overlap.

770 PROTECTION OF BURIED PIPES

• Earth cover (minimum):

- Water pipework: 900 mm, 1200 mm maximum.

- Fuel oil and gas: 500 mm.

- Under roadways: 900 mm.

• Marker tape: Provide to identify buried pipeservices.

COMPLETION


echarris.com 34


910 GENERAL INSPECTION AND TESTING

• Inspection of joints: Cut out, cut open and inspect.

- Number of joints: 3 .

• Safety precautions: In accordance with HSE GS4.

Y11 Pipeline ancillaries


GENERAL

120 PIPELINE ANCILLARIES FOR HOT AND COLD WATER SUPPLY

• Float valves: Delayed action and Floats for ball valves.

• Isolating valves:

- Ball valves, cast iron or steel ;

- Ball valves, copper alloy;

- Butterfly;

- Gate valves, cast iron ;

- Gate valves, copper alloy;

- Globe valves, carbon steel;

- Globe valves, cast iron; and

- Globe valves, copper alloy.

• Check valves:

- Cast iron;

- Lift type;

- Swing type; and

- Globe stop and check valves, carbon steel.

• Regulating valves: Double regulating and Flow measuring devices.

• Mixing valves:

- Tempering valves;

- Thermostatic mixing valves;

- Thermostatic mixing valves for use in care establishments; and

- Thermostatic mixing valves, low pressure.

• Draining devices: Draining taps.

• Expansion devices:

- Expansion compensators, angular;

- Expansion compensators, axial;

- Expansion compensators, lateral;

- Expansion loops, copper; and

- Expansion loops, steel.

• Vibration isolation: Flexible hoses and Rubber bellows.


echarris.com 35


• Gauges: Pressure and altitude and Temperature.

• Accessories:

- Backflow prevention devices;

- Heat meter;

- Pipeline strainers;

- Test points; and

- Tundishes.

130 PIPELINE ANCILLARIES FOR HEATING SYSTEMS






- Globe valves, carbon steel;

- Globe valves, cast iron; and

- Globe valves, copper alloy.

• Check valves:

- Cast iron;

- Lift type;

- Swing type; and



• Radiator valves: Radiator valves and Thermostatic radiator valves.

• Draining and venting devices:

- Air bottles;

- Automatic air vents;

- Draining taps; and

- Three way vent cocks.








• De-aerators: Pressure differential de-aerators and Temperature differential de-aerators.

• Separators:

- Centrifugal air separators;

- Combined air and dirt separators; and


echarris.com 36


- Dirt separators.


• Accessories:

- Heat meter;


- Safety valves;

- Test points; and

- Tundishes

140 PIPELINE ANCILLARIES FOR CHILLED WATER AND CONDENSER WATER SYSTEMS




- Butterfly;



- Globe valves, copper alloy;

- Globe valves, carbon steel; and

- Globe valves, cast iron.

• Check valves:

- Cast iron;

- Lift type;

- Swing type; and



• Draining and venting devices:

- Air bottles;

- Automatic air vents;

- Draining taps; and

- Three way vent cocks.








• De-aerators: Pressure differential de-aerators and Temperature differential de-aerators.

• Separators:

- Centrifugal air separators;


echarris.com 37


- Combined air and dirt separators; and

- Dirt separators.


• Accessories:

- Heat meter;


- Test points; and

- Tundishes.

170 PIPELINE ANCILLARIES FOR FIRE HOSE REEL SYSTEMS

• Isolating valves: Gate valves, cast iron and Gate valves, copper alloy.

• Check valves: Swing type.

• Draining devices: Draining taps.

PRODUCTS

302 CONNECTIONS FOR ANCILLARIES

• Capillary: To BS EN 1254-1.

• Compression for copper tubes: To BS EN 1254-2.

• Compression for plastics pipes: To BS EN 1254-3.

• Flanged for cast iron: To BS EN 1092-2.

• Flanged for copper alloy: To BS EN 1092-3.

• Threaded:

- Where pressure-tight joints are made on the threads: To BS 21 or BS EN 10226-1.

- Where pressure-tight joints are not made on the threads: To BS EN ISO 228-1

315A FLOAT OPERATED VALVES, DELAYED ACTIONGENERALLY

• Standard: To BS 1212-2.

• Type: Submit proposals.

• Manufacturer: Contractor's choice.


• Material: Dezincification resistant brass (DZR) copper alloy.

• Connections: Threaded.

315B FLOAT OPERATED VALVES, DELAYED ACTIONGENERALLY





• Material: Dezincification resistant brass (DZR) copper alloy.

• Connections: Flanged .

317A FLOAT OPERATED VALVES, DIAPHRAGM TYPE, COPPER ALLOY BODYGENERALL


echarris.com 38





• Seat number: 9.

• Connections: Bottom entry.

317B FLOAT OPERATED VALVES, DIAPHRAGM TYPE, COPPER ALLOY BODYGENERALL

Y




• Seat number: 9.

• Connections: Side entry.

319A FLOAT OPERATED VALVES, DIAPHRAGM TYPE, PLASTICS BODY GENERALLY

• Standards: To BS 1212-3.



• Seat: High pressure.


319B FLOAT OPERATED VALVES, DIAPHRAGM TYPE, PLASTICS BODY GENERALLY




• Seat: High pressure.


319C FLOAT OPERATED VALVES, DIAPHRAGM TYPE, PLASTICS BODY GENERALLY




• Seat: Low pressure.


319D FLOAT OPERATED VALVES, DIAPHRAGM TYPE, PLASTICS BODY GENERALLY




• Seat: Low pressure.


321A FLOAT OPERATED VALVES, PISTON TYPEGENERALLY


echarris.com 39



• Type: Non-equilibrium.



• Seat bore and body pattern designation: 9 x IV.

• Connections: Bottom entry .

321B FLOAT OPERATED VALVES, PISTON TYPEGENERALLY


• Type: Non-equilibrium.



• Seat bore and body pattern designation: 9 x IV.


323 FLOATS FOR BALL VALVESFOR DOMESTIC WATER SERVICES

• Standards:

- Copper: To BS 1968.

- Plastics: To BS 2456.

• Type: Spherical.



• Diameter: 152 mm.

• Grade: C.

331A ISOLATING VALVES - BALL VALVES, CAST IRON OR STEELFOR CHILLED AND LOW

TEMPERATURE HOT WATER SYSTEMS.

• Standard: To BS ISO 7121.

• Type: Full bore.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912

Email: [email protected]

.


• Material: Carbon steel.


echarris.com 40


• Connections: Flanged.

• Options: Body tappings.

331B ISOLATING VALVES - BALL VALVES, CAST IRON OR STEELFOR CHILLED AND LOW




• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Material: Cast iron .


• Options: Handwheel.

331C ISOLATING VALVES - BALL VALVES, CAST IRON OR STEELFOR CHILLED AND LOW




• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.




• Options: Body tappings.


echarris.com 41


331D ISOLATING VALVES - BALL VALVES, CAST IRON OR STEELFOR CHILLED AND LOW




• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.





333A ISOLATING VALVES - BALL VALVES, COPPER ALLOYFOR CHILLED AND LOW

TEMPERATURE HOT WATER SYSTEMS

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Material: Brass copper alloy .

• Connections: Compression .

• Finish: Natural.

333B ISOLATING VALVES - BALL VALVES, COPPER ALLOYFOR CHILLED AND LOW


• Manufacturer:

Hattersley


echarris.com 42


Delta Road

St Helens

Merseyside WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912

Email: [email protected].




• Finish: Natural.

333C ISOLATING VALVES - BALL VALVES, COPPER ALLOYFOR CHILLED AND LOW


• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912





• Finish: Chrome plated.

333D ISOLATING VALVES - BALL VALVES, COPPER ALLOYFOR CHILLED AND LOW


• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912





echarris.com 43




335 ISOLATING VALVES - BUTTERFLY VALVESFOR CHILLED AND LOW TEMPERATURE

HOT WATER SYSTEMS


• Type: Flangeless wafer body.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Materials:

- Body: Carbon steel.

- Shaft: Steel with minimum 12% chromium.

- Disk: Aluminium bronze .

- Seat: Ethylene propylene diene monomer (EPDM) .

• Operation: Gear.

337A ISOLATING VALVES - DIAPHRAGM VALVES FOR CHILLED AND LOW



• Type: Straight through.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Material: Complex copper-zinc.


echarris.com 44



• Operation: Handwheel.

337B ISOLATING VALVES - DIAPHRAGM VALVES FOR CHILLED AND LOW



• Type: Straight through.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Material: Malleable cast iron .



339A ISOLATING VALVES - GATE VALVES, CAST IRON FOR CHILLED AND LOW



• Type: Non-rising stem.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Iron type: Malleable.



echarris.com 45


339B ISOLATING VALVES - GATE VALVES, CAST IRON FOR CHILLED AND LOW



• Type: Non-rising stem.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Iron type: Malleable.


341A ISOLATING VALVES - GATE VALVES, COPPER ALLOY FOR CHILLED AND LOW


• Standard: To BS 5154 or BS EN 12288.

• Type: Solid or split wedge.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Series: A.

• Material: Copper alloy.

• Connections: Compression.

• Stem: Inside screw non-rising stem.


• Accessories:

- Body tappings and drain plug;


echarris.com 46


- Locking device;

- Metallic renewable seat/ disk rings;

- Non-metallic renewable seat/ disk rings; and

- Position indicator.

341B ISOLATING VALVES - GATE VALVES, COPPER ALLOY FOR CHILLED AND LOW



• Type: Solid or split wedge.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Series: A.



• Stem: Inside screw non-rising stem.

• Options: Lockshield.

• Accessories:

- Body tappings and drain plug;

- Locking device;




343A ISOLATING VALVES - GLOBE VALVES, CARBON STEEL FOR CHILLED AND LOW



• Type: Straight.

• Manufacturer:

Hattersley

Delta Road

St Helens


echarris.com 47


Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.



343B ISOLATING VALVES - GLOBE VALVES, CARBON STEEL FOR CHILLED AND LOW



• Type: Angle .

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.



345A ISOLATING VALVES - GLOBE VALVES, CAST IRON FOR CHILLED AND LOW



• Type: Angle.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


echarris.com 48



• Connections: Flanged

• Stem: Inside screw non-rising stem


345B ISOLATING VALVES - GLOBE VALVES, CAST IRON FOR CHILLED AND LOW



• Type: Angle.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Connections: Threaded



345C ISOLATING VALVES - GLOBE VALVES, CAST IRON FOR CHILLED AND LOW



• Type: Straight.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.




echarris.com 49




345D ISOLATING VALVES - GLOBE VALVES, CAST IRON FOR CHILLED AND LOW



• Type: Straight.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Connections: Threaded



347A ISOLATING VALVES - GLOBE VALVES, COPPER ALLOY FOR CHILLED AND LOW



• Type: Angle.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Series: A.


• Stem: Inside screw non-rising stem .


echarris.com 50



• Accessories:

- Body tappings and drain plug ;

- Locking device ;




347B ISOLATING VALVES - GLOBE VALVES, COPPER ALLOY FOR CHILLED AND LOW



• Type: Angle.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Series: A.




• Accessories:


- Locking device ;




347C ISOLATING VALVES - GLOBE VALVES, COPPER ALLOY FOR CHILLED AND LOW



• Type: Straight.

• Manufacturer:

Hattersley

Delta Road


echarris.com 51


St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Series: A.




• Accessories:


- Locking device ;




347D ISOLATING VALVES - GLOBE VALVES, COPPER ALLOY FOR CHILLED AND LOW



• Type: Straight.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Series: A.




• Accessories:


echarris.com 52



- Locking device ;




353A CHECK VALVES, CAST IRONFOR CHILLED AND LOW TEMPERATURE HOT WATER

SYSTEMS


• Type: Lift.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Body type: Flanged.


• Iron type: Grey.


353B CHECK VALVES, CAST IRONFOR CHILLED AND LOW TEMPERATURE HOT WATER

SYSTEMS


• Type: Lift.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


echarris.com 53



• Body type: Wafer.


• Iron type: Grey.


355A CHECK VALVES, LIFT TYPE FOR CHILLED AND LOW TEMPERATURE HOT WATER

SYSTEMS


• Type: Straight.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Series: A.



355B CHECK VALVES, LIFT TYPE FOR CHILLED AND LOW TEMPERATURE HOT WATER

SYSTEMS


• Type: Straight.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.



echarris.com 54


• Series: A.



355C CHECK VALVES, LIFT TYPE FOR CHILLED AND LOW TEMPERATURE HOT WATER

SYSTEMS


• Type: Straight.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912



• Series: A.



357A CHECK VALVES, SWING TYPEFOR CHILLED AND LOW TEMPERATURE HOT

WATER SYSTEMS


• Type: Horizontal.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.

- Product reference: Contractor's choice

• Series: A.




echarris.com 55


357B CHECK VALVES, SWING TYPEFOR CHILLED AND LOW TEMPERATURE HOT

WATER SYSTEMS



• Manufacturer: Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912



• Series: A.



357C CHECK VALVES, SWING TYPEFOR CHILLED AND LOW TEMPERATURE HOT

WATER SYSTEMS



• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Series: A.



359A CHECK VALVES - GLOBE STOP AND CHECK VALVES, CARBON STEELFOR

CHILLED AND LOW TEMPERATURE HOT WATER SYSTEMS


• Type: Angle .


echarris.com 56


• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.




359B CHECK VALVES - GLOBE STOP AND CHECK VALVES, CARBON STEELFOR



• Type: Oblique.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.




359C CHECK VALVES - GLOBE STOP AND CHECK VALVES, CARBON STEELFOR



• Type: Straight.

• Manufacturer:

Hattersley

Delta Road

St Helens


echarris.com 57


Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.




365A REGULATING VALVES - DOUBLE FOR CHILLED AND LOW TEMPERATURE HOT

WATER SYSTEMS

• Standard: To BS 7350.

• Type: Globe.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


- Product reference: Contractor's choice and ECA compliant.

• Material: Cast iron.


365B REGULATING VALVES - DOUBLE FOR CHILLED AND LOW TEMPERATURE HOT

WATER SYSTEMS


• Type: Globe.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912



echarris.com 58


- Product reference: Contractor's choice and ECA compliant.



367A REGULATING VALVES - FLOW MEASURING DEVICESFOR CHILLED AND LOW



• Type: 4.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.




367B REGULATING VALVES - FLOW MEASURING DEVICESFOR CHILLED AND LOW



• Type: 4.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.





echarris.com 59


367C REGULATING VALVES - FLOW MEASURING DEVICESFOR CHILLED AND LOW



• Type: 4.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.




367D REGULATING VALVES - FLOW MEASURING DEVICESFOR CHILLED AND LOW



• Type: 4.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.




375 THERMOSTATIC MIXING VALVES GENERALLY


• Type: Dual control.



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379 THERMOSTATIC MIXING VALVES, LOW PRESSUREGENERALLY


• Type: Dual control.



385A RADIATOR VALVESFOR LOW TEMPERATURE HOT WATER SYSTEMS.


• Type: Angle pattern.

• Manufacturer:

Herz Valves Ltd

Moorfield Point

41 Moorfield Road

Slyfield Industrial Estate

GUILDFORD

GU1 1RU

Tel: +44 (0)1483 502211

Fax: +44 (0)1483 502025


.






385B RADIATOR VALVESFOR LOW TEMPERATURE HOT WATER SYSTEMS.


• Type: Angle pattern.

• Manufacturer:

Herz Valves Ltd

Moorfield Point

41 Moorfield Road


GUILDFORD

GU1 1RU

Tel: +44 (0)1483 502211

Fax: +44 (0)1483 502025


echarris.com 61



.






387 THERMOSTATIC RADIATOR VALVES FOR LOW TEMPERATURE HOT WATER

SYSTEMS

• Standards: To BS 7478 and BS EN 215.

• Type: Integral sensor.

• Pattern: Angle.

• Manufacturer:

Herz Valves Ltd

Moorfield Point

41 Moorfield Road


GUILDFORD

GU1 1RU

Tel: +44 (0)1483 502211

Fax: +44 (0)1483 502025


.


• Connections: Compression fitting and cone seated union . Y11 Pipeline ancillaries

401 DRAINING AND VENTING DEVICES - AUTOMATIC AIR VENTSFOR CHILLED AND

LOW TEMPERATURE HOT WATER SYSTEMS

• Type: Vertical inlet with integral lockshield isolating valve and check valve.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


echarris.com 62



• Material: Gunmetal.


403 DRAINING AND VENTING DEVICES - DRAINING TAPS FOR CHILLED AND LOW



• Type: 1.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Material: Bronze.


405 DRAINING AND VENTING DEVICES - THREE-WAY VENT COCKS GENERALLY

• Type: T port.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Material: Gunmetal to BS EN 1982.


411A EXPANSION DEVICES - EXPANSION COMPENSATORS, ANGULARGENERALLY

• Standards: In accordance with BS 6129-1 and to BS ISO 15348.


echarris.com 63


• Type: Gimbals.

• Manufacturer:

J & P Supplies Limited

Junction Road

Audnam

STOURBRIDGE

DY8 4YH

T +44 (0) 1384 393329

F +44 (0) 1384 440212

E [email protected]

.


• Material:

- Bellows: Stainless steel 1.4571 (316 Ti).

- Inner sleeve: Stainless steel 1.4541 (321).


411B EXPANSION DEVICES - EXPANSION COMPENSATORS, ANGULARGENERALLY


• Type: Hinged.

• Manufacturer:


Junction Road

Audnam

STOURBRIDGE

DY8 4YH

T +44 (0) 1384 393329

F +44 (0) 1384 440212

E [email protected]

.


• Material:

- Bellows: Stainless steel 1.4571 (316 Ti).

- Inner sleeve: Stainless steel 1.4541 (321).


413A EXPANSION DEVICES - EXPANSION COMPENSATORS, AXIALGENERALLY


• Type: Balanced.

• Manufacturer:


echarris.com 64



Junction Road

Audnam

STOURBRIDGE

DY8 4YH

T +44 (0) 1384 393329

F +44 (0) 1384 440212

E [email protected]

.


• Material:

- Bellows: Stainless steel 1.4541 (321).

- Inner sleeve: Stainless steel.


415 EXPANSION DEVICES - EXPANSION COMPENSATORS, LATERALGENERALLY


• Type: Three tie bars.

• Manufacturer:


Junction Road

Audnam

STOURBRIDGE

DY8 4YH

T +44 (0) 1384 393329

F +44 (0) 1384 440212

E [email protected]

.


• Material:

- Bellows: Stainless steel 1.4571 (316 Ti), to BS EN 10088-1

- Inner sleeve: Stainless steel 1.4541 (321), to BS EN 10088-1

- Tie bars: Gr 8.8, to BS EN ISO 898-1, zinc plated


421 VIBRATION ISOLATION - FLEXIBLE HOSES GENERALLY

• Type: Stainless steel braided pre-lagged.

• Manufacturer:


Junction Road

Audnam


echarris.com 65


STOURBRIDGE

DY8 4YH

T +44 (0) 1384 393329

F +44 (0) 1384 440212

E [email protected]

.


• Material: Ethylene propylene diene monomer (EPDM) rubber hose with stainless steel

braid.

• Connections:

- Rubber cored: Swivel female flat seat.

- Stainless steel: Full female union.

423A VIBRATION ISOLATION - RUBBER BELLOWSGENERALLY.

• Type: Untied.

• Manufacturer:


Junction Road

Audnam

STOURBRIDGE

DY8 4YH

T +44 (0) 1384 393329

F +44 (0) 1384 440212

E [email protected]

.


• Material:

- Liner: Ethylene propylene diene monomer (EPDM) rubber.

- Reinforcement: Corrosion resistant steel wire .

- Cover: Ethylene propylene diene monomer (EPDM) rubber.

• Connections: Malleable iron unions.

423B VIBRATION ISOLATION - RUBBER BELLOWSGENERALLY.

• Type: Untied.

• Manufacturer:


Junction Road

Audnam

STOURBRIDGE

DY8 4YH


echarris.com 66


T +44 (0) 1384 393329

F +44 (0) 1384 440212

E [email protected]

.


• Material:

- Liner: Ethylene propylene diene monomer (EPDM) rubber.

- Reinforcement: Corrosion resistant steel wire .



431A DE-AERATORS, PRESSURE DIFFERENTIALGENERALLY

• Type: Self circulating unit.





431B DE-AERATORS, PRESSURE DIFFERENTIALGENERALLY






431C DE-AERATORS, PRESSURE DIFFERENTIALGENERALLY






433A DE-AERATORS, TEMPERATURE DIFFERENTIALGENERALLY

• Type: Vertical housing with internal large surface area mechanism to remove microbubbles

via coalescence effect.





433B DE-AERATORS, TEMPERATURE DIFFERENTIALGENERALLY




echarris.com 67






433C DE-AERATORS, TEMPERATURE DIFFERENTIALGENERALLY







437 CENTRIFUGAL AIR SEPARATORSGENERALLY

• Type: Vertical steel housing with offset inlet and outlet ports to remove bubbles via

centrifugal force.





439 COMBINED AIR AND DIRT SEPARATORSGENERALLY







441 DIRT SEPARATORS GENERALLY

• Type: Vertical mild steel housing with internal reservoir, sludge pipe, perforation plate and

automatic air release mechanism.





451 GAUGES, PRESSURE AND ALTITUDEGENERALLY

• Standard:

- Bourdon: To BS EN 837-1.

- Diaphragm: To BS EN 837-3.

• Diameter: 150 mm.



echarris.com 68



• Case: Brass.

• Connections: 'Ring' pattern siphon and gauge cock.

453 GAUGES, TEMPERATUREGENERALLY.


• Type: Mercury in steel.



• Diameter: 150.

• Case: Brass.

• Connections: Straight stem.

• Integral accessories: 100 mm immersion length pocket.

465A ACCESSORIES - BACKFLOW PREVENTION DEVICESGENERALLY.

• Standards:

- Anti-pollution check valves: To BS EN 13959.

- Check valves: To BS 6282-1.

- Combined check and anti-vacuum valves: To BS 6282-4.

- Hose union: To BS EN 14454.

- In-line anti-vacuum valves: To BS EN 14451.

- Terminal anti-vacuum valves: To BS 6282-2.

• Type: DA.





465B ACCESSORIES - BACKFLOW PREVENTION DEVICESGENERALLY.

• Standards:







• Type: DA.






echarris.com 69


465C ACCESSORIES - BACKFLOW PREVENTION DEVICESGENERALLY.

• Standards:







• Type: DA.





467A ACCESSORIES - PIPELINE STRAINERSGENERALLY

• Type: Y pattern.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.




• Integral accessories: Plugged connections for drain, air vent and differential pressure

monitoring.

467B ACCESSORIES - PIPELINE STRAINERSGENERALLY

• Type: Y pattern.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED


echarris.com 70


Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Material: Dezincification resistant brass (DZR) .


• Integral accessories: Plugged connections for drain, air vent and differential pressure

monitoring.

469A ACCESSORIES - SAFETY VALVES FOR CHILLED AND LOW TEMPERATURE HOT

WATER

• Standard: To BS EN ISO 4126-1.

• Type: Single.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912


.


• Material: Cast carbon steel.


469B ACCESSORIES - SAFETY VALVES FOR CHILLED AND LOW TEMPERATURE HOT

WATER

• Standard: To BS EN ISO 4126-1.

• Type: Single.

• Manufacturer:

Hattersley

Delta Road

St Helens

Merseyside

WA9 2ED

Tel: +44 (0)1744 458670

Fax: +44 (0)1744 26912



echarris.com 71


.


• Material: Cast carbon steel.


471A ACCESSORIES - TEST POINTS FOR CHILLED AND LOW TEMPERATURE HOT

WATER

• Type: Self sealing .



• Material: Brass.

• Connections: 6 mm (¼ inch) standard length.

471B ACCESSORIES - TEST POINTS FOR CHILLED AND LOW TEMPERATURE HOT

WATER

• Type: Self sealing .




• Connections: 12.5 mm (½ inch) standard length.

471C ACCESSORIES - TEST POINTS FOR CHILLED AND LOW TEMPERATURE HOT

WATER

• Type: Valve controlled.




• Connections: 6 mm (¼ inch) standard length.

471D ACCESSORIES - TEST POINTS FOR CHILLED AND LOW TEMPERATURE HOT

WATER

• Type: Valve controlled.




• Connections: 12.5 mm (½ inch) standard length.

473 ACCESSORIES - TUNDISHES FOR CHILLED AND LOW TEMPERATURE HOT WATER



• Material: Copper sheet.

• Connections: Diameter to suit drain line.


echarris.com 72


FABRICATION

510 CONTRACTOR FABRICATED ANCILLARIES

• Proposals: Submit.

• Content: Include the following:

- Overall dimensions.

- Shop fabrication drawings.

520 EXPANSION LOOPS, COPPERGENERALLY


• Type: Jointed brazed fittings.

530A EXPANSION LOOPS, STEELGENERALLY


• Type: Formed bends from single pipe length.

530B EXPANSION LOOPS, STEELGENERALLY


• Type: Jointed welded fittings.

540 AIR BOTTLESGENERALLY.

• Construction: A vertical extension from pipe.

- Size: Bore of pipe.

- Length: 100mm .

• Extension pipe: Copper with a manual vent cock located in an easily accessible position.

EXECUTION

610 INSTALLATION OF VALVES GENERALLY

• Installation: In accordance with BS 6683.


• Isolation and regulation valves: Provide at equipment and on subcircuits.

• Access: Locate valves so they can be readily operated and maintained. Locate next to

equipment which is to be isolated.

• Connection to pipework: Fit with joints that suit the pipe material.

615 INSTALLATION OF VALVE STUFFING BOXES

• Adjustment: Carry out at normal plant operating temperature and pressure. Do not impair

valve action, e.g. by over-tightening.

620 INSTALLATION OF DOUBLE REGULATING VALVES

• Locations: Provide10 diameters of straight pipe upstream of valve and 5 diameters

downstream.

640 INSTALLATION OF FLOW MEASUREMENT DEVICES

• Locations: Provide straight length of pipe upstream and downstream.


echarris.com 73


655 INSTALLATION OF THERMOSTATIC RADIATOR VALVES

• Locations: In areas which represent the space temperature, e.g. not behind curtains or

enclosed in heating or radiator panels.

660 INSTALLATION OF VENT COCKS

• Discharge pipes: Provide at outlets of ventcocks.

665 INSTALLATION OF DISCHARGE CONNECTIONS

• Safety and relief valves: Terminate at a safe discharge point.

• Vent cocks: Terminate 150 mm above floor level.

• Air bottles: Terminate with air cock or needle valve in a convenient position.

• Automatic air vents: Terminate over a suitable gully or drain line in a visible location.

675 INSTALLATION OF EXPANSION COMPENSATORS


• Anchors and guides: Locate to contain movement and resist maximum imposed loads.

677 INSTALLATION OF FLEXIBLE HOSES

• Location: Close to the source of vibration.

685 INSTALLATION OF COMBINED AIR AND DIRT SEPARATORS

• Locations: Fit with dirt drain at lowest point for removing dirt that sinks.

690 INSTALLATION OF EXPANSION LOOPS


• Stress: Minimize.

695 INSTALLATION OF CONTROL COMPONENTS

• Locations: Submit proposals.

• Insulation: Submit details of proposed insulation method where control components are on

insulated pipelines.

• Supports: Do not strain components.

• Access: Adequate for operation and maintenance.

COMPLETION

910 VALVE TESTS


920 KEYS

• Tee handled short shank keys: Supply for valve spindle shanks.

- Number: 2.

• Lever pattern keys: Supply for drain cocks.

- Number: 2.

930 HOSE UNIONS

• Spares: Supply for drain cocks.


echarris.com 74


- Number: 2.

Y12 Mechanical cleaning and chemical treatment


EXECUTION

610 GENERALLY

• Water analysis: Analyse water samples before treatment.

• Preliminary checks: Before cleaning or chemical treatment, complete pressure tests.

• Waste products: Neutralize and dispose of to drain.

620 FLUSHING OF HOT AND COLD WATER SYSTEMS


• Installation checks: Thoroughly inspect pipework.

• Drainage: Provide adequate drainage, preferably direct to manhole.

630 FLUSHING OF HEATING AND CHILLED WATER SYSTEMS

• Flushing: In accordance with BSRIA AG 1/2001.1.

• Installation checks: Thoroughly inspect pipework.

• Drainage: Provide adequate drainage, preferably direct to manhole.

640 PURGING GAS PIPEWORK

• Standards: To IGE/UP/1 and IGE/UP/1A.

650 DISINFECTION OF HOT AND COLD WATER SYSTEMS


• Samples for analysis: Provide after flushing.

660 CHEMICAL TREATMENT FOR HEATING SYSTEMS

• Treatment: In accordance with BSRIA AG 2/93.

• Chemicals:

- Corrosion inhibitors: Submit proposals.

- pH control: Submit proposals.

- Scale inhibitors: Submit proposals.

670 CHEMICAL TREATMENT FOR CHILLED WATER SYSTEMS

• Treatment: In accordance with BSRIA AG 2/93.

• Chemicals:

- Corrosion inhibitors: Submit proposals.

- pH control: Submit proposals.

- Scale inhibitors: Submit proposals.

COMPLETION

810 WATER QUALITY TESTS


echarris.com 75



• Samples:

- Sample points: Main supply to site.

- Samples for analysis: Submit samples for bacteriological analysis.

• Water temperature: Record the temperature of the water at each sampling point, at the

time of taking the sample.

• Test results:

- Record: Details of analyses.


Number of copies: Three.

Trace heating tapes

Y24 Trace heating tapes

Refer to section Preliminaries/ General conditions

GENERAL

110A ELECTRICAL RESISTANCE TRACE HEATING SYSTEM

• Application: Freeze protection.

• Type: Electrical resistance surface trace heating.

• Control and monitoring: Required.

110B ELECTRICAL RESISTANCE TRACE HEATING SYSTEM

• Application: Hot water/ tempered lines.

• Type: Electrical resistance surface trace heating.


110C ELECTRICAL RESISTANCE TRACE HEATING SYSTEM

• Application: Oil and chemical lines.

• Type: Electrical resistance surface trace heating for hazardous environments.


SYSTEM PERFORMANCE

210A ELECTRICAL RESISTANCE TRACE HEATING SYSTEM DESIGN

• Standard:

- Industrial and commercial applications: To BS EN 62395-1 and IEC/TS 62395-2.

- Explosive environments: To BS EN 60079-30-1 and 30-2.

• Environmental conditions: Ultra violet exposure.

• Control and monitoring: Type II.

210B ELECTRICAL RESISTANCE TRACE HEATING SYSTEM DESIGN

• Standard:

- Industrial and commercial applications: To BS EN 62395-1 and IEC/TS 62395-2.


echarris.com 76


- Explosive environments: To BS EN 60079-30-1 and 30-2.

• Environmental conditions: Chemical atmosphere.

• Control and monitoring: Type II.

PRODUCTS

350 CONTROL AND MONITORINGGENERALLY

• Controllers: Electronic.

• Alarms: Residual current protective devices.

EXECUTION

620 INSTALLING ELECTRICAL RESISTANCE SURFACE TRACE HEATING

• Standard:

- Industrial and commercial: In accordance with BS EN 60519-10 and IEC/TS 62395-2.

- Hazardous environments: In accordance with BS EN 60079-30-2.

Y30 Mechanical thermal insulation


GENERAL

110 INSULATION TO CONTROL HEAT LOSS FOR HOT WATER PIPELINESGENERALLY

• Standard: To BS 5422, section 8.

• Insulation materials: Phenolic foam, thermal conductivity 0.024 W/m·K.

• Insulation thickness to BS 5422 (minimum): Copper and steel pipelines, high emissivity,

table 18.

- Temperature of contents: 60°C.

• Protection: Sheet steel casing.

• Accessories to be insulated: Insulation for valves and flanges.

120 INSULATION TO CONTROL CONDENSATION FOR COLD WATER PIPELINESGENER

ALLY


• Insulation materials: Mineral fibre pipe section, thermal conductivity 0.034 W/m·K.

• Insulation thickness to BS 5422 (minimum): Copper pipelines, low emissivity, table 9.


• Vapour barrier: Required.



130 INSULATION TO CONTROL HEAT LOSS FOR LOW TEMPERATURE HOT WATER

HEATING PIPELINESALL LOCATIONS




echarris.com 77


• Insulation thickness to BS 5422 (minimum): Copper and steel pipes, low emissivity, table

15.



• Accessories to be insulated: Insulation for valves and flanges and Insulation at load

bearing pipeline supports.

140 INSULATION TO CONTROL CONDENSATION FOR CHILLED WATER PIPELINESALL

LOCATIONS



• Insulation thickness to BS 5422 (minimum): Steel pipelines, high emissivity, table 6.





145 INSULATION TO CONTROL HEAT GAIN FOR CHILLED WATER PIPELINESALL

LOCATIONS


• Insulation materials: Mineral fibre pipe section, thermal conductivity 0.033 W/m·K.

• Insulation thickness to BS 5422 (minimum): High emissivity, table 11.



• Protection: Sheet metal casing.



150 INSULATION TO PROTECT AGAINST FREEZING FOR PIPELINESALL LOCATIONS



• Insulation thickness to BS 5422 (minimum): Selected commercial and institutional

conditions, table 29.

- Specified conditions: 2.




160 INSULATION FOR CONDENSATION CONTROL ON DUCTWORK CARRYING CHILLED

AIR ALL LOCATIONS


• Insulation materials: Mineral fibre slabs, thermal conductivity 0.032 W/m·K at 0°C.

• Insulation thickness to BS 5422 (minimum): Table 12.


echarris.com 78


- Minimum air temperature inside duct: 5°C.

- Emissivity: Low.



• Accessories to be insulated: All.

165 INSULATION TO CONTROL HEAT TRANSFER FOR CHILLED AND DUAL PURPOSE

DUCTWORK




- Emissivity: Low.



170 INSULATION TO CONTROL HEAT LOSS FOR DUCTWORK CARRYING WARM AIRALL

LOCATIONS




- Emissivity: Low.



180 INSULATION TO CONTROL HEAT LOSS FOR LOW TEMPERATURE HOT WATER

HEAT EXCHANGERS, CYLINDERS AND BUFFER VESSELSALL LOCATIONS

• Standard: To BS 5422, clause 8.


• Insulation thickness to BS 5422 (minimum): Copper and steel vessels, low emissivity, table

15.

- Assumed diameter of vessel: 273 mm.

- Temperature of contents: 75°C


• Accessories to be insulated: Cover plates and Removable access covers.

185 INSULATION TO CONTROL CONDENSATION FOR WATER STORAGE TANKSALL

LOCATIONS

• Standard: To BS 5422, clause 7.


• Insulation thickness to BS 5422 (minimum): Plastics, Appendix H.




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190 INSULATION FOR BOILER FLUESALL LOCATIONS

• Insulation materials: Metal mesh faced mineral fibre mattresses.



PRODUCTS

350A NITRILE RUBBER INSULATIONGENERALLY FOR HORSAM

• Standard: To BS EN 60684-3-151.



• Form: Pipe section.

• Recycled content: 60% (minimum) to BS EN ISO 14021.

• Finish: Plain.

360A PHENOLIC FOAM INSULATIONFOR COLD WATER PIPELINES TO PREVENT

CONDENSATION





• Finish: Aluminium .

360B PHENOLIC FOAM INSULATIONFOR CHILLED WATER PIPELINES TO PREVENT

CONDENSATION






360C PHENOLIC FOAM INSULATIONFOR CHILLED WATER PIPELINES TO CONTROL

HEAT GAIN






360D PHENOLIC FOAM INSULATIONFOR HEATING PIPELINES




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360E PHENOLIC FOAM INSULATIONFOR DUCTWORK CARRYING WARM AIR




• Form: Duct slab.


360F PHENOLIC FOAM INSULATIONFOR HEAT EXCHANGERS, CYLINDERS AND BUFFER

VESSELS




• Form: Duct wrap.


380 VAPOUR BARRIER PERMEANCE

• Standard: To BS 5422, clause 5.6.

405 POLYISOBUTYLENE PROTECTIONGENERALLY



• Colour: Manufacturer's standard.

445 SHEET STEEL CASING PROTECTIONGENERALLY



• Finish: Manufacturer's standard.

480 INSULATION FOR VALVES AND FLANGESGENERALLY

• Insulation materials: To match pipelines insulation.

- Finish: To match pipelines finish.

- Form: Removable and reusable pads.

495 INSULATION AT LOADBEARING PIPELINE SUPPORTS

• Hot pipelines up to 120°C: 300 mm length of high d ensity phenolic foam.

• Hot pipelines above120°C: 300 mm length of calcium silicate.

• Cold pipelines: 300 mm length of high density phenolic foam.

EXECUTION

610 INSTALLATION GENERALLY


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• Standard: In accordance wtih BS 5790.

• Timing: Insulate after installed system has been fully tested and joints proved sound.

• Insulation: Do not enclose adjacent units together.

• Clearance: Maintain between pipes.

• Finish: Neatly finish joints, corners, edges and overlaps.

625 INSTALLATION OF FOIL FACED MINERAL FIBRE INSULATION ON PIPELINES

• Joints: Close butt, seal with 50 mm wide class O tape on both longitudinal and

circumferential joints.

• At fittings: Mitre. Secure with tape.

• Vapour seal: Tape exposed insulation membrane. Seal vapour barrier at pipe support with

class O tape.

630 INSTALLATION OF NITRILE RUBBER INSULATION ON PIPELINES

• Joints: Close butt, secure with adhesive.

• At fittings: Fabricate from mitre cut pieces. Secure with adhesive.

660 INSTALLATION OF FOIL FACED MINERAL FIBRE INSULATION ON DUCTWORK

• Fixing to underside of ducting: Self adhesive stick pins. Further support with 0.7-1.0 x 50

mm mesh galvanized wire netting.

• Joints, pin penetrations, cut outs for test holes and supports: Seal with 100 mm wide class

'0' foil tape.

665 INSTALLATION OF FOIL FACED MINERAL FIBRE LAMELLA INSULATION ON

DUCTWORK

• Fixing to underside of ducting: Self adhesive stick pins.

• Joints, pin penetrations, cut outs for test holes and supports: Seal using 100 mm wide

class 'O' foil tape.

670 INSTALLATION OF INSULATION ON TANKS

• Fixing: Adhesive.

• Joints: Seal with 100 mm wide class '0' foil tape.

• Access: Allow for removal of access covers and tank lid.

690 INSTALLATION OF PHENOLIC FOAM INSULATION ON VESSELS

• Application: Install pre-formed segments or pre-slotted foil faced insulation around the

diameter of the vessel. Lay with staggered joints.

• Joints: Seal joints and gaps around protrusions with jointing compound.

• Finish: Secure with aluminium banding.

• Access: Allow for removal of access covers.

710 INSTALLATION OF POLYISOBUTYLENE (PIB) PROTECTION

• Thickness (minimum): 0.8 mm.

• Application: Wrap sheeting with 50 mm overlap. Solvent weld joints.


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• Finish: Secure with aluminium banding.

715 INSTALLATION OF SELF ADHESIVE CLADDING AND JACKETING

• Application: Cover insulation with self adhesive cladding and jacketing with 50 mm

overlaps.

730 INSTALLATION OF SHEET STEEL PROTECTION

• Application: Form sheet to fit circumference of insulation with 50 mm longitudinal and

circumferential overlaps. Secure overlaps with self tapping screws or rivets.

• Expansion: Make provision.

740 INSTALLATION AT VALVES AND FLANGES

• Application: Do not obstruct removal of nuts and bolts, or operation of valves.

750 INSTALLATION AT LOADBEARING PIPELINES SUPPORTS

• Application: Close butt to insulation.

• Joints: Seal with 100 mm wide class 'O' foil tape.

• Sleeve: Provide sheet metal protection sleeve.

755 INSTALLATION AT NON-LOADBEARING PIPELINES SUPPORTS

• Insulation: Carry through pipe support.

760 INSULATION NOT CARRIED THROUGH PIPELINES SUPPORTS

• Insulation at supports: Provide aluminium end caps.

770 INSULATION CARRIED THROUGH DUCTWORK SUPPORTS

• High density phenolic foam: Close butt to insulation.

• Sleeve: Provide sheet metal protective sleeve.

800 INSTALLING VAPOUR BARRIERS

• Integrity: Maintain throughout.

Y31 Vibration isolating mountings

PRODUCTS

310 MOUNTINGS GENERALLY

• Criteria: Ensure that vibration generated by the engineering services is not transmitted to

pipework, ductwork, the building and supporting structure.

• Overload capacity (minimum): 50%.

• Colour code: Identify for load and deflection rating.

• Marking: Label with load capacity.

320 SPRING ISOLATORS ALL LOCATIONS

• Type: Open.



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• Colour code: Submit proposals.

• Load: Submit proposals.

• Deflection: Submit proposals.

330 COMPRESSION ISOLATORSALL LOCATIONS

• Type: Spring.






340 ISOLATION HANGERS FOR PIPEWORK

• Type: Spring and neoprene rubber.






• Drop rod misalignment capability: 15%.

350 INERTIA BASES FOR PUMPS

• Type: External isolator mounting brackets.



• Material: Welded steel channel perimeter frame.

• Reinforcing steelwork and mesh: Required.

• Thickness: 150 mm.

360 FLEXIBLE HOSES FOR PIPEWORK

• Type: Stainless steel braided.



• Connections:

- Rubber cored: Full male union.

- Stainless steel: Full male union.

370A RUBBER BELLOWS FOR PUMP CONNECTIONS

• Type: Untied.



• Material:


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- Liner: Ethylene-propylene diene monomer (EPDM) rubber.

- Reinforcement: Corrosion resistant steel wire.



370B RUBBER BELLOWS FOR FUEL DELIVERY SYSTEMS

• Type: Untied.



• Material:

- Liner: Acrylonitrile-butadiene rubber (NBR).

- Reinforcement: Corrosion resistant steel wire.



380 MAT MOUNTINGS ALL LOCATIONS



• Material: Natural rubber.

• Stacked mats: Bond 1 mm steel sheet between mats. Do not fill voids.

• Cast in situ base: Incorporate 20 mm (minimum) resilient mat and 1.6 mm steel sheet.

390 PAD MOUNTINGS FOR GENERAL PLANT ITEMS



• Material: Composite synthetic rubber.

400 ROOF SUPPORT SYSTEMSFRO GENERAL PLANT ITEMS



• Applications:

- Air handling units;

- Attenuators;

- Cable trays;

- Chillers;

- Condensers;

- Control panels;

- Ductwork;

- Evaporators;

- Extract fans;

- Heat pumps;

- Pipework;

- Splits;


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- Switchgear panels;

- VRF; and

- VRV.

• Components:

- Support base:

Type: Submit Proposals.

Size: Submit Proposals.

Anti-vibration mats: Required.

- Support frame:



- Threaded rod:



410 SERVICES SUPPORTSGENERALLY

• Type: Unistrut support.

EXECUTION

610 CAST IN SITU BASES

• Supported equipment: Arrange equipment on base to distribute load evenly.

COMPLETION

910 DOCUMENTATION

• Operation and maintenance instructions: Submit.

Y32 Mechanical plant and equipment identification


PRODUCTS

310 PLANT AND EQUIPMENT IDENTIFICATION LABELS


• Type: Laminated plastics plates.



• Information: Purpose and reference number.

320 VALVE IDENTIFICATION LABELS


• Type: Laminated plastics plates.




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• Information: Purpose and reference number.

• Colours: Basic and safety colour identification of associated system.

330 VALVE CHARTS AND SCHEMATICS

• Type: Glazed hardwood frame.

EXECUTION

610 IDENTIFYING PIPEWORK

• Standards: To BS 1710.

• Identification type: Adhesive colour bands.

• Application of basic identification colour: Coloured bands as BS 1710 clause 3.3.

• Safety colour identification: On or next to the colour bands.

• Information:

- Abbreviation of name;

- Colour bands as BS 1710 appendix D; and

- Refrigerant number.

• Direction of flow: Indication arrow and the word FLOW or the letter F and Indication arrow

and the word RETURN or the letter R.

620 IDENTIFYING DUCTWORK

• Standard: To HVCA DW/144 appendix B.

• Identification type: Self-adhesive plastics or transfers.

• Direction of flow: Equilateral triangle, 150 mm length of side, with one apex pointing in the

direction of flow.

• Information: Space served by the duct and associated plant.

630 INSTALLING PLANT AND EQUIPMENT IDENTIFICATION

• Fixing: Fix with adhesive to equipment.

• Location: On equipment base.

640 INSTALLING VALVE IDENTIFICATION

• Fixing: Secure with metal chain.

650 INSTALLING VALVE CHARTS AND SCHEMATICS

• Fixing: Plug and screw to wall.

• Location:

- Boiler house;

- Calorifier room; and

- Plant room.

390 AIR FILTER WITH PRESSURE SENSOR CONTROL STRATEGY GENERALLY

• Air filter: Monitor cleanliness by measuring differential pressure across filters using

sensors.

• Dirty filter warning signal: When pressure switch is made and When pressure differential is


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above the pressure set point scheduled to the fan speed - 100 Pa for a 1 V fan speed

control signal and 500 Pa for a 10 V fan speed control signal.

410 ACTUATOR DATA LOGGING GENERALLY

• Input: Submit Proposals.

• Output: Submit Proposals.

415 ALARM DATA LOGGING GENERALLY



420 MOTORIZED VALVE DATA LOGGING GENERALLY



425 SENSOR DATA LOGGING GENERALLY



430 THERMOSTAT DATA LOGGING GENERALLY



435 COOLING PLANT MONITORING GENERALLY



440 FAN MONITORING GENERALLY



445 HEATING PLANT MONITORING GENERALLY



450 HUMIDIFIER MONITORING GENERALLY



455 PRESSURIZATION UNIT MONITORING GENERALLY



460 PUMP MONITORING GENERALLY



510 CONTROL PANEL GENERALLY


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• Standards: To BS 7671, BS EN 60439-1 and -3.



• Assembly: Fully factory tested.

- Approval: ASTA certified.

- Evidence of certification: Required.

• Internal separation: Form 4 to BS EN 60439-1 National Annex.

• Voltage: 400 V.

• Phase: Three.

• Enclosure:

- Standard: To BS EN 62208.

- Ingress protection to BS EN 60529: IP55.

- Material: Metal.

- Finish: Powder coated.

- Colour: Manufacturer's standard.

- Method of fixing: Floor standing.

- Intended location: Indoor.

- Mechanical protection to BS EN 62262: IK10.

- Incoming cabling access: Top entry.

- Outgoing cabling access: Top entry.

• Locking mechanism: Cylinder locks with a standard key type.

• Incoming device: Switch-disconnector to BS EN 60947-3.

- Interlock: Cannot be opened except with the isolator in the off position.

- Rating: Submit proposals.

- Poles: 4.

• Outgoing devices: Miniature circuit breakersContractor's choice.

• Identification:

- Cable terminations: Label with circuit reference, with push-on plastics markers.

• Full length internal earth bar: Required.

- Size: 25 x 3 mm.

• Internal busbars and wiring:

- Type: PVC insulated.

- Size (minimum): 1 mm².

• Internal wiring: Segregate power and signal cabling. Contain within slotted trunking.

- Wiring capacity (maximum): 45% full by volume.

• Busbars and connections: Fully shrouded.

• Accessories:

- Digital multi-function metering equipment;

- Indicator lamps;

- Padlocks and keys;


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- Padlock and key cabinet; and

- Safety matting.

515 LOW VOLTAGE FUSES

• Standards: To BS EN 60269-2.



• Breaking range and utilization categories:

- General applications: gG.

- Motor protection: gM.

• Properties:

- Short-circuit breaking capacity: Submit proposals.


516 MINIATURE CIRCUIT BREAKERS




• Properties:

- Short-circuit breaking capacity: Submit proposals.


- Poles: Submit proposals.

521 DIGITAL MULTI-FUNCTION METERING EQUIPMENT IN CONTROL PANEL



• Display: LCD.

• Ingress protection to BS EN 60529: Match control panel enclosure.

• Characteristics to be measured:

- Active energy (kW·h);

- Active power (W);

- Active power demand (W);

- Apparent power (V·A);

- Apparent power demand (V·A);

- Current demand (A);

- Frequency (Hz);

- Peak active power demand (W);

- Peak apparent power demand (V·A);

- Peak current demand (A);

- Phase currents (A);

- Power factor;

- Pulsed output (kW·h);


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- Reactive power (V·A(r));

- Voltage between phases (V); and

- Voltage between phases and neutral (V).

• Mounting: Recessed into control panel.

525 INDICATOR LAMPS

• Lamp type: Clustered LED with bezel. Standardize lamp type.

• Lens colour: To BS EN 60073.

• Lamp mounting: Recessed.

• Common lamp test facility: Required.

• Access for lamp replacement: Externally from enclosure front.

530 PADLOCKS AND KEYS



• Locking mechanism: Six lever.


531 PADLOCK AND KEY CABINETS

• Type: Wall mounted metal construction.

• Finish: Match control panel enclosure.



535 SAFETY MATTING




• Thickness (minimum): 6.5 mm.

• Width (minimum): 900 mm.

• Length (minimum): Match control panel.

540 ACTUATORSGENERALLY




• Type: Electric.

• Action: Linear.

• Operation: Normally closed.

• Electricity supply: 24 V.

• Ancillaries: Manual operation.

545 ALARMSGENERALLY



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• Type: Visual.

• Display: Chronological.

• Alarm mute: Yes.

• Alarm data: Identity, value, source, time, date and acknowledgement status.

550A MOTORIZED VALVESGENERALLY





• Valve authority:

- Design Submit proposals.

- Minimum: Submit proposals.


• Connections: Screwed.


550B MOTORIZED VALVESGENERALLY





• Valve authority:

- Design Submit proposals.

- Minimum: Submit proposals.




560 SENSORS, AIR QUALITY GENERALLY



• Type: CO2 sensor.

• Equipment interconnectivity: Wired.

• Mounting: Room.

• Application: Tunnel ventilation.

565 SENSORS, FLOW IN DUCT GENERALLY




• Type: Pitot tube.


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• Application: Air flow operating.

• Accuracy: ±5%.

566 SENSORS, FLOW IN PIPEGENERALLY




• Type: Orifice plate.


• Application: Water flow operating.

570 SENSORS, HUMIDITYGENERALLY




• Type: Capacitive sensor.

• Application: Relative humidity (RH).

• Range: 10% to 90% RH.

• Accuracy: ±5% RH.


575 SENSORS, PRESSURE GENERALLY




• Type: Capacitive.

• Application: Pressure operating.

• Accuracy: ±2% measured value.


580A SENSORS, AIR TEMPERATUREGENERALLY




• Application: Outside air.

• Range: -10°C to 40°C.

• Accuracy: ±0.5°C.


580B SENSORS, AIR TEMPERATUREGENERALLY




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• Application: Room.

• Range: -10°C to 40°C.



580C SENSORS, AIR TEMPERATUREGENERALLY




• Application: Duct mounted immersion.

• Range: -10°C to 40°C.



585A SENSORS, WATER TEMPERATUREHEATING




• Type: Nickel resistance .

• Application: Surface temperature.

• Range: -10°C to 150°C.



585B SENSORS, WATER TEMPERATURECOOLING




• Type: Nickel resistance .

• Application: Surface temperature.

• Range: -10°C to 30°C.



590 BALANCED TWISTED-PAIR CABLESGENERALLY.

• Standard:

- Screened balanced twisted pair: To BS EN 50288-2-1.

- Unscreened balanced twisted pair: To BS EN 50288-3-1.



• Number of pairs: Four .


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• Conductors: Solid.

- Size: 22 AWG (0.64 mm).

• Sheath:

- Type: Low smoke zero halogen (LSZH).

- Colour: Grey.

EXECUTION

610 STRIPPING OUT

• Extent of stripping out See Scope of Works.

620 INSTALLATION OF SENSORS GENERALLY

• Standard: In accordance with Building Controls Industry Association (BCIA) Guide Control

sensor installation.

• Screening: Screen from direct sunlight.

• Immersion: Immerse the sensor adequately in the medium.

• Immersion pockets: Provide for pipe sensors. Fill with thermal conductive compound.

• Cable: Flexible. Allow sufficient spare cable to allow for removal of sensor.

• Stratification: Install more than one sensor or an averaging sensor if necessary.

• Positions of sensors: Submit proposals.

630 LOCATION OF ACTUATORS

• Position: Top of valve.

640 LOCATION OF MOTORIZED VALVES

• Spindles: Vertical.

650 LOCATION OF SENSORS, AIR QUALITY

• Room sensors:

- Height: 1.5 m above floor.

- Away from corners and doors.

- Away from continuously occupied areas.

- In the area controlled.

• Duct sensors:

- Locate as close as possible to the room extract point, in return air duct.

- Install vertically with head at top.

- Correctly orientate probe with air flow.

660 LOCATION OF SENSORS, FLOW

• Differential pressure water sensors: Do not locate valves between sensing points.

• Differential pressure air sensors: Provide adequate distance from fans, filters, bends,

fittings etc.

• Velocity sensors: Provide adequate distance from fans, filters, bends, fittings etc.

670 LOCATION OF SENSORS, HUMIDITY


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• Room sensors:



- Away from heat sources and draughts.

- Away from direct solar radiation.

- Not on external walls.


• Duct sensors:

- Beyond the spray distance of humidifiers.

- Air velocity (maximum) at sensor: 10 m/s.

680 LOCATION OF SENSORS, PRESSURE

• Tapping points: Do not locate in turbulent flow.

- Position: Locate an adequate distance from bends or fittings.

• Vibration: Install on vibration free surface.

690 LOCATION OF SENSORS, TEMPERATURE

• Room sensors:



- Away from heat sources and draughts.

- Away from direct solar radiation.

- Not on external walls.


• Pipe mounted immersion sensors:

- Immerse full length of sensor in water.

- Locate an adequate distance from bends or fittings.

• Duct mounted immersion sensors:

- Locate full length of sensor in the centre of the air flow.

- Position downstream of supply fans.

- Shield against radiant heat transfer next to coils.

- Locate sensors in return air ducts as near as possible to the occupied space.

- Locate an adequate distance from bends or fittings.

• Surface temperature sensors: Provide clean contact with surface and thermal conducting

compound.

• Outside air sensors:

- Fix to north-facing wall.

- Do not locate next to extract points, above windows or under eaves.

• Frost protection sensors: Locate downstream of the first coil.

700 INSTALLING CONTROL PANELS

• Control gear cubicles: Arrange in modular form to facilitate future extension.


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• Clearance (minimum):

- Front access control panels: 1000 mm in front of control gear.

- Rear access control panels: 1000 mm in front of and behind control gear.

• Fixing equipment: Fix independently of wiring installation, with zinc electroplated fasteners.

- Indoor equipment: Fix with internal lugs.

- Outdoor equipment: Fix with external lugs.

• Extension boxes: Provide where necessary.

• Gland plates: Nonferrous for single core electrical cables.

• Close coupled control panels: Interconnect.

- Cable type: TBA.

- Containment: TBA.

710 CABLE INSTALLATION GENERALLY


• Timing: Do not start internal cabling until building enclosure provides permanently dry

conditions.

• Cables: Install in one uninterrupted run with jointing at equipment and terminal fittings only.

• Arrangement: Position vertically and horizontally in line with equipment served, and parallel

with building lines. Provide drip loop to prevent water entering equipment.

• Orientation: Dress cables flat, free from twists, kinks and strain.

• Cable pulling: Do not overstress.

- Installation method: Submit proposals.

• Cables routes generally:

- Concealed cable runs to wall accessories: Run vertically from the accessory.

- Exposed cable runs: Submit proposals.

• Cables from other systems: Segregate and cross at right angles.

- Distance from steam and low temperature hot water systems running parallel: 500 mm

minimum.

• Terminations: Support cable within 150 mm of termination.

• Balanced twisted-pair cabling:

- Maximum untwist at terminations: 12 mm.

COMPLETION

910 INSPECTION AND TESTING


• Notice before commencing tests (minimum): 24 h.

• Certificates: Submit.


• Test equipment identity: Record on test certificates.

• Certificates of calibration: Submit for each test instrument.

• Control panel test certificates: Submit.


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915 START UP AND COMMISSIONING

• Standard: In accordance with BCIA System start up and commissioning guide.

920 SPARES

• Spare fuses: Mount within each control panel.

- Number: 3 of each type used.

• Spare devices: Supply.


• Spare lamps: Mount within control panel.

- Number: 6 of each type and colour used.

930 KEYS

• Control panel doors: Supply.


940 DOCUMENTATION


• Record drawings: Submit.

Y50 Mechanical commissioning


EXECUTION

610 COMMISSIONING PROGRAMME

• Submission: Three weeks (minimum) before commissioning commences.

• Commissioning manager: Submit details with programme.

620 COMMISSIONING OF HOT AND COLD WATER SUPPLY SYSTEMS

• Pre-commissioning: In accordance with BSRIA 2/89.3 and CIBSE Commissioning Code

W.

• Commissioning: In accordance with BS 6700, BSRIA AG 2/89 and CIBSE Commissioning

code W.

• Notice (minimum): 48 h.

• Equipment: Check and adjust operation of equipment, controls and safety devices.

• Outlets: Check operation of outlets for satisfactory rate of flow and temperature.

630 COMMISSIONING OF WATER HEATING SYSTEMS

• Pre-commissioning: In accordance with BSRIA 2/89.3 and CIBSE Commissioning Code

W.

• Commissioning: In accordance with BSRIA AG 2/89 and CIBSE Commissioning code W.

• Variable flow systems: In accordance with CIBSE Knowledge Services Commissioning


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variable flow pipework systems.


650 COMMISSIONING OF BOILER PLANT

• Pre-commissioning: In accordance with CIBSE Commissioning code B.

• Commissioning: In accordance with CIBSE Commissioning code B.


660 COMMISSIONING OF CHILLED WATER SYSTEMS

• Commissioning: In accordance with BSRIA AG 2/89 and CIBSE Commissioning code W.

• Variable flow systems: In accordance with CIBSE Knowledge Services Commissioning

variable flow pipework systems.


680 COMMISSIONING OF AIR DISTRIBUTION SYSTEMS

• Pre-commissioning: In accordance with BSRIA 3/98 3 and CIBSE Commissioning code A.

• Commissioning: In accordance with BSRIA AG 3/89 and CIBSE Commissioning code A.


690 COMMISSIONING OF CENTRAL CONTROLS AND BUILDING MANAGEMENT

SYSTEMS

• Pre-commissioning: In accordance with CIBSE Commissioning code C.

• Commissioning: In accordance with CIBSE Commissioning code C.


700 PERFORMANCE TESTING PROGRAMME

• Submission: Two weeks (minimum) before performance testing commences.

• Performance testing manager: Submit details with programme.

710 PERFORMANCE TESTING

• General: Demonstrate the performance of the installations.

• Guaranteed efficiency: Tolerances defined in this specification.

• Environmental tests: Carry out environmental testing. If necessary, use artificial loads to

simulate operating conditions.

• Recorders:

- Type: Supply and maintain portable seven day space temperature and relative humidity

recorders, complete with charts.

- Number: Four.

- Duration of loan: Four weeks.

• Reports: Submit on completion.

750 INSPECTION AND TEST RECORDS

• Reports:

- Construction phase: System design is commissionable.


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• Records for water systems: In accordance with BSRIA AG 2/89.

• Records for air systems: In accordance with BSRIA AG 3/89.

• Record sheets:

- Submission: On completion.

- Number of copies: Three.

760 DEMONSTRATIONS

• Running of plant:

- Operation: Run, maintain and supervise the installations under normal working

conditions.

- Duration: One week.

• Instruction: Instruct and demonstrate the purpose, function and operation of the

installations.

V30 Low voltage distribution systems


GENERAL

LOW VOLTAGE DISTRIBUTION SYSTEMGENERALLY

• Connection to low voltage supply: Existing.

• Switchgear: Cubicle switchboards, as section 2.2

• Cable type: Multi-core PVC/ SWA/ PVC, as section2.2

• Rewireable installation: Not required.

• Concealed installation: Not required.

• Containment: Not required.

• Accessories: Not required.

• Completion:

- Electrical identification: As section 2.2

- Testing and inspection: To BS 7671.

SYSTEM PERFORMANCE

DESIGN


• Design: Complete the design of the low voltage distribution system.

• Spare capacity throughout the low voltage distribution system: 20% of current carrying

capacity.

• Scope: Provide electrical supplies to equipment requiring power.


literature.

• Switchgear drawings: To BS EN 61082-1.


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SURVEYS AND DATA COLLECTION

• Type: Electrical property measurement and Thermal video imaging survey.

GRADING STUDY

• Scope: Complete low voltage distribution system.

- Qualifications of study author: Member of the Institute of Electrical Engineers (IEE).

• Fault calculations: Include fault impedance, and short circuit fault current analysis.

• Protective devices: Coordinate the selection and adjustment of protective device settings to

achieve discrimination throughout the fault level range. Grade so that a fault on any

outgoing branch circuit is cleared by the switching device installed in the faulted branch

circuit without affecting the other outgoing branch circuits. Demonstrate discrimination

using time-current coordination curves with single line diagrams, in the study report.

• Manufacturers' details and recommended settings: Include in study report.

• Study report: Submit.

- Format: Word Document.

EXECUTION

STRIPPING OUT

• Extent of stripping out: N/A.

INSTALLING LOW VOLTAGE DISTRIBUTION SYSTEMS


• Layout: Position cabling and equipment to provide safe and easy access for operation and

maintenance.

ELECTRICAL PROPERTY MEASUREMENT

• Objectives: As stated in specification document.

• Property values to be recorded:

- Voltage between phases and neutral (V);

- Phase currents (A);

- Active power (W); and

- Reactive power (V·A(r)).

• Sampling:

- Start date and time: TBC.

- Period: 7 day.

- Interval: 30 minutes.

• Connection to existing switchgear: Submit proposals.

- Timing: TBC.

• Results: Submit.

- Format: Word.

THERMAL VIDEO IMAGING SURVEYS

• Thermal imaging personnel: Specialist thermographer.


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• Plant to be surveyed: All Distribution Boards.

• Special conditions: None.

• Measurements: ..

• Method statement: Submit.

• Report content: Document and provide images for plant inspected. Include prioritized

recommendations for remedial work.

• Report: Submit.

CONNECTION TO THE INCOMING SUPPLY

• Customer's installation: Connect to the incoming point of supply.

COMPLETION

DOCUMENTATION




SURVEYS AND DATA COLLECTION

• Type: Electrical property measurement and Thermal video imaging survey.

MAINTENANCE

• Servicing and maintenance: Undertake.

- Duration: Until 12 months after Practical Completion.

V32 Low voltage cabling

To be read with Preliminaries/General conditions.

PRODUCTS

CABLES GENERALLY


• Proposed selection of low voltage cables: Submit drawings, technical information,

calculations and manufacturer's literature.

• Conductor sizes (minimum):

- Sub main cables: 10 mm².

- Lighting final circuits: 1.5 mm².

- Power final circuits: 2.5 mm².

- Spare capacity (percentage of current carrying capacity): 20%.

• Cable sizes not stated: Submit proposals and calculations.

- Format: Submit proposals.

CABLES, CORDS AND CONDUCTORS IDENTIFICATION

• Identification: Throughout cable length.


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• Colour identification of cores: To BS 7671.

• Phase rotation: Identify with the coding L1, L2 and L3.

PVC INSULATED CABLES


• Third party certification: British Approvals Service for Cables (BASEC) certified.



• Rigid PVC insulated cables (PVC singles, H07V):

- Construction: To table 4a.

• PVC insulated and PVC sheathed cables (PVC/ PVC):

- Construction: To table 7.

- Sheath colour: Submit proposals.

• PVC insulated, PVC sheathed cables with circuit protective conductor (PVC/ PVC with

CPC):


• Heat resisting PVC insulated cables (HR PVC singles, H07V-K):


FLEXIBLE CORDS





• Light duty PVC insulated and sheathed flexible cords (LD PVC/ PVC cord, H03VV-F):



• Ordinary duty PVC insulated and sheathed flexible cords (PVC/ PVC cord, H05VV-F):



• Ordinary duty 90ºC PVC insulated and sheathed flexible cords (HR PVC/ PVC cord,

H05V2V2-F):


- Sheath colour:Submit proposals.

THERMOSETTING INSULATED CABLES





• Rigid thermosetting insulated single core cables (LSZH singles, H07Z):



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• Thermosetting insulated and sheathed single core cables (LSZH/ LSZH singles):


• Thermosetting insulated and sheathed cables with circuit protective conductor (LSZH/

LSZH with CPC):

Construction: To table 7.

FIRE RESISTANT, INSULATED AND SHEATHED CABLES


• Third party certification: British Approvals Service for Cables (BASEC) certified and LPCB.



• Screen: Aluminium tape.

INSULATING TAPE


CABLE ACCESSORIES

• Cold-pour resin compound: To BS 7933-1.

• Heat-shrink joints: To BS 7933-2.

• Glands: To BS EN 50262.

• Terminations for mineral insulated cables: To BS EN 60702-2.

EXECUTION

CABLE INSTALLATION GENERALLY



conditions.

• Preparation: Store cables above 5°C for 24 hours b efore installation.

• Installation temperature (minimum): 5°C.

• Cables: Install in one length.

• Cable pulling: Do not overstress. Prevent kinks and twisting of the cable.


• Cables passing through walls: Sleeve with conduit or pipeduct. Bush at both ends.

• Cables surrounded or covered by insulation: Derate.

• Jointing: At equipment and terminal fittings only.

CABLE ROUTES

• Cables generally: Conceal wherever possible.



• Distance from other services running parallel: 150 mm minimum.

- Heating pipes: Position cables below.


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CABLES CONCEALED IN WALLS AND PARTITIONS

• Position: In a zone within 150 mm of wall perimeter (except at the floor); and run vertically

or horizontally from these zones, or from floor level, to switches, accessories, etc and At

least 50 mm from the surface.

• Protection: Submit proposals.

CABLES IN VERTICAL TRUNKING AND DUCTS

• Supports: Pin racks or cleats at each floor level or at 5 m vertical centres, whichever is

less.

• Heat barriers: Required.

CABLES IN ACCESSIBLE ROOF SPACES

• Cables running across ceiling joists: Submit proposals .

CABLES ON CABLE SUPPORTS

• Position: Submit proposals.

• Fastenings: Enable any cable to be individually removed.

SURFACE MOUNTED CABLES

• Fastening Submit proposals.

• Orientation: Dress cables flat, free from twists, kinks and strain.

• Terminating cables when not using glands: Take sheathing of cables into accessory boxes

and equipment and protect against abrasion with grommets.

CABLES IN CONDUIT AND TRUNKING

• Cable installation: Install cables so that they are orderly and capable of being withdrawn.

• Single core wiring: Arrange using the loop-in method.

• Cables within trunking: Tie at 2 m intervals for cables of the same circuit reference. Label

ties with circuit reference number at 10 m intervals.

• Cables in vertical conduit: Provide cable clamps in accessible conduit boxes at 10 m

intervals.

INSTALLING FLEXIBLE CORDS

• Cords: Grip securely at connections. Where cord grips do not form an integral part of the

accessory or equipment, provide separate proprietary cord grips.

V39 Electrical inspection and testing

To be read with Preliminaries/ General Conditions.

COMPLETION

ELECTRICAL INSPECTION AND TESTING TYPE


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• Type: Alterations and additions.

ELECTRICAL TEST ENGINEER

• Electrical test engineer: Independent of installation contractor.

• Approval: NICEIC.

- Evidence of approval: Submit.

GENERAL

• Standards: To BS 7671 and in accordance with IEE Guidance note 3.


• Installed equipment standards: Verify and confirm compliance with the relevant equipment

standards.

• Electronic devices: Isolate to prevent damage during testing.

• Continuity of protective conductors:

- Parallel earth paths: Isolate before testing.

- Equipment: Continuity tester with short circuit current of at least 200 mA, and a no load

d.c. or a.c. voltage between 4 V and 24 V.

• Insulation resistance (minimum):

- SELV and PELV circuits: 1 megohm when tested as 250 V d.c..

- Other circuits less than or equal to 500 V (excluding SELV and PELV): 2 megohm

when tested at 500 V d.c..

- Circuits above 500 V: 2 megohm when tested at 1000 V d.c..

• External earth fault loop impedance: Direct measurement.

• Connection of test equipment to existing switchgear: Submit proposals.

- Timing: TBC.

• Earth fault loop impedance:

- Method: Direct measurement.

• Measurement locations: Origin, switchgear, fixed equipment and outlets, circuit extremities.

• Prospective fault current:


- Location: Origin, and at points where protective devices are required to operate under

fault conditions.

• Phase sequence: Verify.

• Cable containment: Measure electrical continuity and insulating properties of containment.

Submit results.

TEST EQUIPMENT CALIBRATION

• Test equipment calibration: UKAS approved.

INSPECTION AND TEST RESULTS


• Certificates: Submit.


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• Test equipment identity: Record on test certificates.

• Certificates of calibration: Submit for each test instrument.

ELECTRICAL INSTALLATION CERTIFICATES

• Format: To NICEIC standard.

• Schedule of test results: Submit.

MINOR ELECTRICAL INSTALLATION WORKS CERTIFICATES

• Format: To NICEIC standard.

• Schedule of test results: Submit.

V40 Small power systems

To be read with section Preliminaries/ General conditions.

GENERAL

HARD WIRED LOW VOLTAGE SMALL POWER SYSTEMS specification

• Origin of supply: Low voltage distribution system, as section 2.7

• Final circuit cabling:

- Types: PVC singles, as section 2.7

- Sizes: Submit design and cost proposals.

• Containment: Trunking or ducting, as section 2.7.

• Rewireable installation: Required.

• Concealed installation: Required.

• Final connections: Required.

• Partial installation: Not required.

• Outlets: As drawing ???.

• Controls and starters: N/A.

• Accessories: N/A.

• Completion:

- Electrical identification: Submit design and cost proposals.

- Testing and inspection: To BS 7671.

SYSTEM PERFORMANCE

DESIGN

• Provision of small power: Fixed and portable equipment requiring power.

• Design: Complete the design of the small power systems.

• Diversity: In accordance with IEE Guidance note 1 .


literature.


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HAND DRIERS

• Quantity: 1 per 2 wash hand basins and at least 1 per toilet.

PRODUCTS

HAND DRIERS


• Type: High velocity air.



• Operation: Automatic.

• Heater Power rating: 2.4 kW.

• Enclosure: Submit proposals.

• Fixing arrangement: Surface.

• Ingress protection to BS EN 60529: Submit proposals.

• Noise level at 1 m (maximum): 60 dB(A).

• Features: Hand only.

EXECUTION

SMALL POWER INSTALLATION


STRIPPING OUT

• Extent of stripping out: As specification.

INSTALLING CABLING TO SOCKET OUTLETS

• General: Wire in ring final circuits without spurs.

COMPLETION

DOCUMENTATION



MAINTENANCE



V50 General lighting systems


GENERAL


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HARD WIRED GENERAL LIGHTING SYSTEMGENERALLY

• Origin of supply: Low voltage distribution system, as section V30.


- Types: PVC singles, as section V32.


• Containment: Rigid conduit, as section Y60 or Trunking or ducting, as section Y60.




• Connections to luminaires: Lighting circuit distribution boxes.

• Luminaires and lamps:

- Luminaire types: Submit design and cost proposals.

- Lamp types: Tubular fluorescent lamps, as section V59 .

- Operating voltage: Low voltage.

• Lighting controls: As drawing ??.

• Completion:

- Electrical identification: To BS 7671.

SYSTEM PERFORMANCE

DESIGN

• Standard: In accordance with CIBSE Code for lighting.

• Design: Complete the design of the general lighting systems.

• Average power density energy consumption (maximum): Submit proposals.

• Initial circuit luminous efficacy (minimum): Submit proposals.


literature.

PERFORMANCE

• Lighting performance: Submit proposals.

LIGHTING CALCULATIONS

• Type: Computer generated point calculations with contribution from inter-reflected light.

• Submit the following:

- Luminaire layout drawings.

- Luminaire photometric data including flux fraction ratios, polar intensity curves and

utilisation factors.

- Lamp technical information.

- Room surface reflectance values.

- Maintenance factor calculations.

- Isolux contour plots for working plane and room surfaces.

- Schedule of design and calculated maintained average illuminance values.

- Schedule of wall-working plane illuminance ratios.


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- Schedule of ceiling-working plane illuminance ratios.

- Schedule of design and calculated uniformity values.

- Schedule of design and calculated glare index values.

- Power density and efficacy of the installation.

PRODUCTS

CEILING ROSES




• Rating: 6 A.

• Mounting type: Surface.

• Flex length (maximum): 3 m.

• Colour: White.

LIGHTING CIRCUIT DISTRIBUTION BOXESAs required.



• Distribution box: Galvanized sheet steel with recessed input and outgoing connections.

• Connectors:

- Power input connection: Hard wired via fixed wiring.

- Power output connector: Fully shrouded female connector.

• Outgoing connections:

- Quantity: Contractor's choice.

- Poles: 3.

LIGHTING EXTENDER LEADS Type A.



• Cable type: Prefabricated LSZH insulated and sheathed multi-core.

- Number of cores: 3.

- Size: 1.5 mm².

• Length: Contractor's choice.

• Connectors:

- Arrangement: One fully shrouded male connector and one fully shrouded female

connector.

- Poles: 4.

LUMINAIRE CONNECTION CABLESTo modular luminaires.




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• Cable type: Prefabricated LSZH insulated and sheathed multi-core.

- Number of cores: 3.

- Size: 1.5 mm².

• Length: 2 m.

• Connectors:

- Arrangement: One fully shrouded male connector and one free cable end.

- Poles: 4.

EXECUTION

INSTALLING GENERAL LIGHTING SYSTEMS


STRIPPING OUT

• Extent of stripping out: Complete installation.

LIGHTING CIRCUITS

• Rooms smaller than 4 m²: Restrict lighting circuits to one electrical phase.

MANUAL CONTROLS

• Location: As drawing ???.

• Staircases: Two way switching at top and bottom landings with intermediate at full

landings.

COMPLETION

TESTING AND INSPECTION OF FIXED ELECTRICAL WIRING

• Testing and inspection: To BS 7671.

• Test results: Submit.


TESTING AND COMMISSIONING OF GENERAL LIGHTING SYSTEMS

• Commissioning: In accordance with CIBSE Commissioning code L

• Controls: Check operation.

• Lamps: Check operation.

• Test results: Submit.


DOCUMENTATION




MAINTENANCE


- Duration: Until 12 months after completion.


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V51 Automatic lighting controls


PRODUCTS

PHOTOELECTRIC CONTROL UNITSGENERALLY




• Equipment interconnectivity: Submit proposals.

• Inductive switching capacity: 10 A.

• Minimum degree of ingress protection to BS 60529: IP44.

• Switching settings:

- - Adjustable switching time delay: Required

- On lighting level: Adjustable.

- Off lighting level: Adjustable.

- Timed on: Not required.

- Timed off: Not required.

• Remote setup/ override: Not required

• Mounting: Ceiling .

DAYLIGHT SENSORSGENERALLY




• Daylight sensitivity: Adjustable.

• Remote setup/ override: By infrared controller.

• Mounting: Ceiling .


EXTRA-LOW VOLTAGE OCCUPANCY SENSORSGENERALLY

• Type: Passive infrared.




• Occupancy sensitivity: Adjustable.

• Remote setup/ override: Not required.

• Mounting: Ceiling.


REMOTE INFRARED CONTROLLERS


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• Quantity: 4.

EXECUTION

INSTALLATION GENERALLY

• Interconnection: Interconnect sensors, controllers and luminaires.

• Positions of sensors: Submit proposals.

CABLE INSTALLATION GENERALLY



conditions.

• Cables: Install in one uninterrupted run with jointing at equipment and terminal fittings only.


• Cables routes generally:



- Cables from other systems: Segregate and cross at right angles.

- Terminations: Support cable within 150 mm of termination.

• Balanced twisted-pair cabling:

- Maximum untwist at terminations: 12 mm.

INSTALLING PHOTOELECTRIC CONTROL UNITS

• Location: Not influenced by luminaires.

• Connection: To adjacent luminaire .

INSTALLING DAYLIGHT SENSORS

• Location: Representative of the daylight level in the area under control.


INSTALLING OCCUPANCY SENSORS

• Location: To suit the occupancy pattern of the area under control. Shield from erroneous

influences.


COMPLETION

CLEANING AND CABLE INSPECTIONS

• Detector lenses: Clean using anti static cleaning fluid.

• Cable connections: Verify.

LABELLING

• Equipment and sensor identification labels: Provide.

• Central controller: Label describing its purpose.

- Output circuits: Label.

TESTING AND COMMISSIONING


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• Commissioning: In accordance with CIBSE Commissioning Code L.

• Notice before commissioning (minimum): 14 d .

• Witnessing: Arrange for site testing to be witnessed by the contract administrator.

• Pre-commissioning checks: Undertake.

• Pre-commissioning certificate: Submit.

• Sensor settings: Submit proposals. Calibrate and commission.

• Test equipment calibration certificates: Submit.

• Operation of sensors and control devices: Check and verify. Submit results.

• System commissioning certificate: Submit.

SPARES AND CONSUMABLES

• Manufacturer's recommended spares: Supply two sets


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V55 Self-contained emergency lighting and signage systems


GENERAL

SELF-CONTAINED EMERGENCY LIGHTING AND SIGNAGE SYSTEMGENERALLY

• System manufacturer: Submit proposals.

• Origin of supply: Low voltage distribution system, as section V30.


- Cable type: LSZH singles, as section V32.


• Containment: Rigid conduit, as section Y60 or Trunking or ducting, as section Y60.




• Connections to luminaires: Ceiling roses, as section V50.

• Emergency luminaires and lamps

- Luminaire types: Submit design and cost proposals.

- Lamp types: Tubular fluorescent lamps, as section V59 .

• Escape route lighting: Required .

• Open area anti-panic lighting: Required.

• High risk task area lighting: Not required.

• Standby lighting: Not required.

• Internally illuminated emergency signs: Submit design and cost proposals.

• Externally illuminated emergency signs: Not required.

• Photoluminescent emergency signs: Not required.

• Test facility: Automatic test facility.

• Accessories: None.

SYSTEM PERFORMANCE

DESIGN

• Standards: To BS 5266-10, BS EN 1838, BS EN 50172 and in accordance with BS 5266-1.

• Design: Complete the design of the emergency lighting and signage systems.


literature.

• Mode of operation: 0 .

- Facilities: A .

- Duration of emergency mode: 180 minutes.

ESCAPE ROUTE LIGHTING DESIGN

• Location: Submit proposals .


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• Response following failure of normal lighting supply: 50% illuminance within 5 s and 100%

illuminance within 60 s.

• Horizontal illuminance (minimum) of permanently unobstructed escape routes: 1 lx.

• Working plane: At finished floor level.

EMERGENCY LIGHTING CALCULATIONS

• Type: Point calculations with zero contribution from inter-reflected light.

• Submit the following information:

- Luminaire layout drawings.

- Luminaire photometric data including lamp light output data at beginning and end of

battery discharge.

- Luminaire spacing tables.

- Lamp and luminaire technical information.

- Isolux contour plots.

- Schedule of design and calculated maintained average illuminance values.

- Schedule of design and calculated uniformity values.

PRODUCTS

EMERGENCY LUMINAIRES GENERALLY


• Third party product certification: ICEL 1001.

• Housing: Locate components necessary for the operation of the luminaire (including

batteries, charger, lamp, and control gear) within the luminaire body.

• Indicators:

- Charging: Red light emitting diodes.

- Fault: Flashing red light emitting diodes.

- Test in progress: Flashing green light emitting diodes.

- Position within luminaire: Readily visible. Fix to luminaire body.

• Batteries:

- Standard: To BS EN 61951.

- Type: Sealed nickel-cadmium.

- Life (minimum) when operating under normal conditions at 25°C and subject to complete

charge and discharge every 6 months: 4 years.

- Labelling: Indelibly mark with year of manufacture and installation.

AUTOMATIC TEST FACILITY


- Type: S.



EXECUTION


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STRIPPING OUT


• Disposal of batteries: In accordance with manufacturer's recommended procedures.

SAMPLES

• Samples to be submitted: Required.

• Submittals: Include manufacturer's technical information with each sample.

• Identification: Label samples with the project luminaire references.


• Standards: To BS 7671 and in accordance with BS 5266-1.


INSTALLING EMERGENCY SIGNS



• Fixing: To building fabric such that the removal of the sign requires a special tool.

• Orientation: Plumb and level.

• Interconnections with local general lighting circuit: Required.

INSTALLING LUMINAIRE AUTOMATIC TEST MODULES

• Installation: In each emergency luminaire.

Position: As manufacturer's recommendation.

COMPLETION

INSPECTION AND TESTING

• Inspection and testing: In accordance with BS 5266-1.

• Controls: Check operation.

• Full discharge test: Required. Following restoration of the normal supply verify the

operation of charge indicators.


EMERGENCY LIGHTING PHOTOMETRIC SURVEY


• Timing: During the hours of darkness.

• Extraneous light: Minimize.

• Measured values: Submit, stating levels of extraneous light.

DOCUMENTATION

• Documentation: In accordance with BS 5266-1.

• Certificate of testing: Submit.

- Standard: In accordance with BS 5266-1, Annex B.


• System log book: Required.


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CERTIFICATION FOR RE-ENGINEERED LUMINAIRES

• Certification: Submit completed ICEL 1004 model test record certificate.

SPARES

• Secret keyswitches for testing: Supply 3 spare keys.

MAINTENANCE



V50 Luminaires and lamps


PRODUCTS

LAMPS GENERALLY

• Manufacturer: As recommended by luminaire manufacturer.

• Lamps of the same type and rating: Same manufacturer.

• Fluorescent ballasts: Separate for each lamp.

TUBULAR FLUORESCENT LAMPS

• Standards:

- Double-capped lamps: To BS EN 60081 and BS EN 61195.

• Lamp diameter: Submit proposals.

• Colour temperature: Submit proposals.

• Colour rendering index: Submit proposals.

CONTROL GEAR GENERALLY.


• Ballasts:

- Fluorescent lamp ballasts:

Switched start: To BS EN 60921 and BS EN 61347-2-8.

High frequency (A.C supplied): To BS EN 60929 and BS EN 61347-2-3.

High frequency (D.C supplied): To BS EN 60925 and BS EN 61347-2-4.

- Discharge lamp ballasts: To BS EN 61347-2-9 and BS EN 60923.

- Emergency lighting ballasts: BS EN 60925 and BS EN 61347-2-7.

• Lamp starters generally: To BS EN 61347-2-1 and BS EN 60927.

FLUORESCENT LAMP HOLDERS


LUMINAIRES GENERALLYGenerally


• Approval: Kitemark certified.


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• Photometric performance: To BS EN 13032-1.

• Supply circuit conductor connections: Screw terminals .

• Internal fuse: Required for incoming circuit phase connections.

LUMINAIRESType A


- Product reference: Contractors choice.

• Description: N/A .

• Features: N/A .

• Ballasts CELMA energy efficiency index (minimum): Manufacturer's standard.

• Control gear position: Integral within luminaire.

• Luminaire power factor: Correct to minimum 0.9 lagging.

• Lamps:

- Number: 4.

- Type to PD IEC TS 61231 to ILCOS L: FSM.

- Colour temperature: As Luminaire schedule.

- Colour rendering index: As Luminaire schedule.

- Rating: As Luminaire schedule.

EXECUTION

SAMPLES

• Samples: Before ordering, supply samples of the following luminaires: All.

• Submittals: Include manufacturer's technical information with each sample.

• Identification: Label samples with the luminaire references.

INSTALLING LUMINAIRES AND LAMPS GENERALLY


• Location: Contractor to propose

• Orientation: Parallel with ceiling.

• Lamps and accessories: Provide.

• Supports: Adequate for weight of luminaire.

LUMINAIRE CABLE CONNECTIONS

• Cable connection size (minimum): 1.5 mm².

• Conduit mounted: Terminate directly within luminaire.

• Trunking mounted: Terminate directly within luminaire.

• Suspended trunking: From cable connection mounted on side of trunking.

- Type: N/A.

• Rod or chain suspended: N/A.

- Cable type: HR PVC/ PVC cord, clipped to chain or rod. Do not pass cord through

chain links.

• Cable entry: Grommet.

• Class 1 earth connections: Connect to luminaire circuit protective conductor.


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• Wiring within luminaires: Minimize. Clip at 300 mm intervals.

LUMINAIRES MOUNTED AS PART OF A SUSPENDED CEILING

• Luminaire supports: Independent suspension rods.

• Luminaire final connection: Plug and socket outlet to BS 546.

- Mounting: Surface mounted on side of trunking.

- Length (maximum): 3 m.

INSTALLING LUMINAIRE SUPPORTS

• Support and fixing arrangement: Submit proposals

• Luminaire suspensions: Vertical.

- Multiple suspensions: Provide as necessary.

• Levelling: Adjust the length of suspensions so that luminaires are level.

- Levelling tolerance: ± 3 mm.

• Conduit supports:

- Size (minimum): 20 mm.

- Type: Match cable containment.

- Conduit boxes: Provide for each luminaire suspension point.

• Rod supports: Continuously threaded rods.

• Chain supports: Steel chain with conduit box hook and cover.

• Ball and socket: Provide as top support and fix cover to circular conduit box. Route cable

from conduit box through ball and socket.

• Number of supports for luminaires longer than 600 mm (minimum):

- Luminaire width<300 mm: 2.

- Luminaire width >300 mm: 4.

COMPLETION

CLEANING

• Luminaires and lamps: Clean when building works are complete.

TESTING AND COMMISSIONING

• Luminaires and lamps: Check operation.

V80 Electrical identification


PRODUCTS

IDENTIFICATION AND NOTICES

• Standards: To BS 7671, BS 5499-1 and BS 5499-5.

ELECTRICAL SHOCK TREATMENT SIGNS



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• Type: Plastics encapsulated.

FABRICATION

EQUIPMENT LABELSIN PLANTROOMS

• Material: Face engraved rigid plastic laminate.

• Label size: Submit proposals.

• Colour:

- Background: White.

- Lettering: Black.

• Typography:

- Font: Contractor's choice.

- Size: Submit proposals.

• Content: Distribution Board reference, as indicated on drawing ??? .

DIAGRAMS

• Material: Paper print, encapsulated.

• Format: Single line engineering drawings to BS EN 61082-1.

• Information to be included:

- Supply characteristics.

- Maximum demand.

- Cable types and sizes.

- Switchgear ratings.

- Protective device types, ratings and function.

- Prospective fault current values: At each item of switchgear.

- Earth fault loop impedance values: At each item of switchgear.

- Circuits containing equipment vulnerable to testing: Label.

• Mounting: Wall.

EXECUTION

ELECTRICAL IDENTIFICATION

• Standards: To BS 7671, BS 5499-1 and -5.

ARRANGEMENT


• Orientation: Secure, plumb and level.

• Fixing type: Round head bolt, washer and lock nut.

PROTECTIVE CONDUCTORS

• Labelling of busbar and bare conductors: In each compartment or unit and at each

accessible position.


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EQUIPMENT LABELLING AND VOLTAGE WARNING NOTICES

• Electrical equipment: Install labels indicating purpose.

• Safety signs: Install where voltages above ELV exist.

• Voltage warning notices: Label equipment when the voltage exceeds 230 V.

• Format: To BS 5499-5 8.A.0044, include warnings of the voltage present.

CIRCUIT CHARTS

• Location: Distribution boards and consumer units.

• Format:

- Type: Card within a reusable clear plastics envelope.

- Size: A4.

- Typed information: State outgoing circuit references, their device rating, cable type,

cable size, circuit location and number of points served.

• Fixing: Fit to the inside of each unit with nylon hoop and loop self-adhesive pads.

• Switchgear outgoing ways: Label corresponding to the circuit chart.

ENGRAVING OF ELECTRICAL ACCESSORIES

• Fused connection units and isolators: Describe function and Describe size of fuse fitted.

• Emergency lighting test key switches: Describe function.

• Multigang light switches: N/A.

• Socket outlets: Engrave with the wording 'Cleaners socket'.

• Fill colour: Black.

INSTALLING DIAGRAMS

• Location: At main switchgear.

• Fixing: Wall mounted with cup and screw fixings.

INSTALLING PERIODIC INSPECTION NOTICES

• Location: At the incoming point of supply.

• Frequency of inspection: 5 year.

INSTALLING ELECTRIC SHOCK TREATMENT SIGNS

• Location: Electrical switch rooms.

• Fixing: Wall mounted with cup and screw fixings.

INSTALLING HAZARD SIGNS

• Location: At each item of switchgear.

V81 Earthing and bonding systems


GENERAL

EARTHING AND BONDING SYSTEMSGENERALLY


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• Main incoming earth: Establish with the Electricity Distributor.

• Size of main earthing conductor: To BS 7671, Regulation 543.1.3.

• Main earth electrode type: Submit design and cost proposals.

• Main protective bonding:

- Connect the following to the main earthing terminal: Main LV Distribution Panels.


- Size: To BS 7671, Regulation 544.1.1.

• Supplementary equipotential bonding:

- Bond the following: As required by BS 7671.


- Size: Minimum of 2.5 mm² if sheathed or where mechanical protection is provided,

otherwise 4 mm².

• Circuit protective conductors:

- Type: Submit design and cost proposals.

- Size: To BS 7671 Regulation 543.1.3.

• Earth terminal: Separate wall mounted main earth bar.

• Earthing of metal fencing around substations: N/A.

• Accessories: N/A.

• Completion:

- Electrical identification: As section V80.

• Testing and inspection: To BS 7671.

SYSTEM PERFORMANCE

DESIGN

• Standards: To BS 7671 and in accordance with BS 7430.

• Design: Complete the design of the earthing and bonding systems.

• Proposals: Submit drawings, technical information, calculations and manufacturer's

literature.

ELECTRICITY DISTRIBUTOR'S REQUIREMENTS

• Compliance: In accordance with the requirements of the Electricity Distributor.

• Evidence of compliance: Submit.

EQUIPOTENTIAL BONDING IN BUILDINGS WITH INFORMATION TECHNOLOGY

EQUIPMENT


• Objectives: ________.

FUNCTIONAL EARTHING DESIGN


• Objectives: ________.

• Connection type: ________.


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PRODUCTS

PRODUCTS GENERALLY

• Standards: To BS 7671 and in accordance with BS 7430.

EARTHING AND BONDING CONDUCTORSGenerally



• Type: Insulated stranded copper cable to BS 6004

EARTHING AND BONDING CLAMPS


EXECUTION

GENERAL INSTALLATION

• Standards: To BS 7671 and in accordance with BS 7430 .

EXISTING INSTALLATIONS



- Method of measurement: Direct measurement.

- Locations: Origin, switchgear, fixed equipment and outlets, and circuit extremities.


INSTALLING EARTH CONDUCTOR TAPES


• Fasteners: Manufacturers recomendations.

- Type: Non-metallic direct contact clips.

- Spacing (maximum): 600 mm.

• Anti-vandal capping: Provide.

• Location: As required.

INSTALLING EARTH BARS

• Main earth bar location: Next to the main switchboard.

• Multiple earth bars: Connect with a conductor ring.

• Mounting:

- Spacers: Ceramic.

- Support spacing: 300 mm for 25 mm bar and 450 mm for 50 mm bar.

- Clearance between wall and earth bar (minimum): 30 mm.

INSTALLING MAIN EARTHING CONDUCTOR

• Conductor location: Install between the main incoming earth and the main earthing terminal

in one continuous length.

• Connection: Make with compression lugs and phosphor bronze nuts and bolts and spring


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washers.

• Earthing conductor route: Submit proposals.

• Connection to earth electrodes: Heavy duty copper alloy mechanical clamps.

• Protection to main earthing conductor: Not required.

INSTALLING MAIN PROTECTIVE BONDING CONDUCTORS

• Separate and continuous connections: Install between each service and the main earth

terminal.

• Bonding conductor routes: Submit proposals.

• Bonding connections at main earth terminal: Connect with compression lugs and phosphor

bronze nuts and bolts and spring washers.

INSTALLING SUPPLEMENTARY BONDING CONDUCTORS

• Earth connections: Connect with compression lugs.

NOTICES AND LABELS

• Earth bars: Describe each connection and label with 'SAFETY ELECTRICAL

CONNECTION - DO NOT REMOVE'.

• Main earthing and protective bonding connections: Describe each connection and label

with 'SAFETY ELECTRICAL CONNECTION - DO NOT REMOVE'.

• Telecommunications functional earth connections: Label with 'TELECOMMS EARTH - DO

NOT REMOVE'.

IDENTIFICATION OF FUNCTIONAL EARTHING

• Labelling: Identify the purpose of functional earth cables along their length using clip-on

cable markers.

• Spacing (maximum): 3 m.

COMPLETION

INSPECTION AND TESTING

• Standard: To BS 7671 and in accordance with BS 7430.


• Continuity of protective conductors:

- Parallel earth paths: Isolate before testing.

- Equipment: Continuity tester with short circuit current not less than 200 mA, and a no

load d.c. or a.c. voltage between 4 V and 24 V.




- Measurement locations: Origin, switchgear, fixed equipment and outlets, and circuit

extremities.

DOCUMENTATION


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W11 Public address systems

To be read with Preliminaries/General condition

GENERAL

PUBLIC ADDRESS SYSTEMThis will form part of the Voice Alarm System described in

section W51

• System manufacturer: As W51.

- Registration: Member of Professional Lighting and Sound Association.

• Type to BS 6259: As W51).

• Environment: Indoors.

• Source equipment:

- Public address:

- Automatic announcement equipment;

- Microphones; and

- Paging consoles.

- Music: N/A.




• Containment: Cable tray, as section Y63.

• Loudspeaker cables: PVC singles, as section V32.

• Microphone cables: As W51.

• Aerial cables: Not required.

• Audio signal distribution: As W51.

- Channels: As W51.

• Ambient noise sensing equipment: Not required.

• Equipment racks: As W51.

• Mixers: Not required.

• Amplifiers: As W51.

• Mixer amplifiers: As W51.

• Outlets: Loudspeakers.

- Loudspeaker zones: As W51.

• Controls: As W51.

• Completion: As W51.

SYSTEM PERFROMANCE

DESIGN


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• Public address system design and planning: Complete in accordance with BS 6259.


literature.

• Qualifications of designer: As W51.

• Spare capacity throughout the public address system: As W51.

• Equipment matching: Submit evidence.

• Equipment: Provide electrical supplies to equipment requiring power.

• Loudspeaker cabling voltage drop (maximum): 10 %.

SYSTEM PARAMETERS

• Frequency range (minimum): As W51.

• Reverberation time (maximum): As W51.

• Variation in sound pressure level (maximum): As W51.

• Speech to background noise ratio (minimum): 10 dB.

• Background music sound level: N/A.

• Foreground music sound level (peak): N/A.

• Paging:

- Maximum variation of sound pressure level at 2 kHz: As W51.

DESIGN CRITERIA

• Design sound pressure levels: As W51.

• Zoning: As W51.

• Volume restoration: As W51.

• Signal priorities: As W51.

CONNECTION TO FIRE DETECTION AND ALARM SYSTEMS

• Operation in the event of a fire signal: As W51.

PRODUCTS

AUTOMATIC ANNOUNCEMENT EQUIPMENT

• Manufacturer: As W51.

- Product reference: As W51.

• Type: As W51.

• Number of pre-recorded messages: As W51.

• Adjustable announcement interval timer: Required.

- Features: Day, hour and minute settings for individual messages with repeat interval

adjustment.

• Headphone output with level control: As W51.

• Mounting: As W51.

MICROPHONESAs W51


• Manufacturer: As W51.


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- Product reference: As W51.

• Element: As W51.

• Frequency response: As W51.

• Polar pattern: As W51.

• Sensitivity at 1000 Hz (open circuit): As W51.

• Impedance: As W51.

• Controls: As W51.

• Cable connector: As W51.

• Accessories: As W51.

• Mounting: As W51.

EXECUTION

STRIPPING OUT

• Extent of stripping out: As specified.


• Installation: In accordance with BS 6259.

• Equipment: Provide electrical supplies to equipment requiring power. Derive from the same

electrical phase.

- Standard: To BS 7671.

COMPLETION

TESTING AND COMMISSIONING GENERALLY

• Testing: In accordance with BS 6259.

• System commissioning agent: As W51.

• Notice before commencing tests (minimum): As W51.

• System commissioning:

- Method: Submit proposals.

- Input equipment: Commission.

- Output controls: Commission and adjust.

- Equalizers and auxiliary passive elements: Commission.

- Equipment impedance matching: Verify.

- Loudspeaker polarity: Verify.

- Loudspeaker transformer tappings: Verify.

- Results: Submit.

• Cable testing:

- Insulation resistance: Submit results.

- Earth continuity: Submit results.

SYSTEM RE-COMMISSIONING

• Public address system: Re-commission.

- Timing: As W51


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ACOUSTIC TESTING

• Locations: As W51.

• Sound pressure levels: Measure.

- Measurements: Tabulate and compare with design values.

- Results: Submit.

EQUIPMENT LABELLING AND SYSTEM DIAGRAMS

• Equipment rack: Label with a unique identification code.

• Amplifiers: Label with zone information.

• Loudspeaker transformers: Label the commissioned tapping setting.

• System diagram: Provide. Show the location and identity of system equipment and zones.

- Location: Next to the equipment rack.

DOCUMENTATION



MAINTENANCE




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W30 Data distribution systems


GENERAL

CONTAINMENT Generally

• Containment: Cable tray as section Y63.



EXECUTION

STRIPPING OUT


W50 Fire detection and alarm systems


GENERAL

FIRE DETECTION AND ALARM SYSTEMGENERALLY

• System manufacturer: Compliant with existing.

- Manufacturer approval: Compliant with existing.

• Type: Automatic analogue addressable.

• Category to BS 5839-1: L2.

- Variations: None.

• Detection devices:

- Atmosphere: Normal.

- Types:

- Manual call points;

- Point heat detectors ; and

- Point smoke detectors .

• Equipment interconnectivity: Standard fire resisting cabling .

• Cable containment: Cable tray, as section Y63.



• Internal alarms:

- Primary: Sounders .

- Secondary: None.

• External alarms: TBA).

• Controls: Interface to other equipment and systems.

• Accessories: None.


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SYSTEM PERFORMANCE

DESIGN OF FIRE DETECTION AND ALARM SYSTEMS

• System designer: Contractor.

• Design: Complete the design of the fire detection and alarm system in accordance with BS

5839-1.


literature.

• System design certificate: Submit with design proposals.

PERFORMANCE OF FIRE DETECTION AND ALARM SYSTEMS

• Areas to be protected: The entire building to L2 requirements.

• System objectives: BS 5839 : L2.

• Spare system capacity: 10% loop loading.

• Number of devices per zone (maximum): Submit proposals.

SYSTEM CATEGORY L2

• Objectives: Life protection.

• Coverage: Complianxce with BS 5839 L2.

DETECTION ZONES

• Zoning: Submit proposals.

ALARM ZONES

• Alarm zoning: Submit proposals.

• Mode of operation: Submit proposals.

• All zone evacuate control: Not required.

ACTUATION OF FIRE PROTECTION SYSTEMS


• Objectives: Life protection.

INTEGRATION WITH OTHER ALARM AND SECURITY SYSTEMS

• Objectives: N/A.

• Systems to be integrated: None.

INTERFACE ISOLATION FOR TESTING PURPOSES

• Isolation of systems and equipment: Design system so that the actuation, integration and

interfacing can be isolated during fire alarm testing.

• Means of isolation: Via CIE.

PRODUCTS

DETECTION DEVICES

• Device address setup: Automatic via CIE.

• Removal of devices: Must require a special tool. Must not affect the operation of alarm


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equipment.

• Device bases: Maintain circuit continuity when device is removed.

MANUAL CALL POINTS




• Operation: Type A.

• Frangible element: Non-resettable.

• Integral red visual indicator: Required.

• Environmental category: Internal.

• Mounting: Surface.

• Time delay between activation of manual call point and the alarm signal (maximum): 3 s.

• Protective covers: Required.

POINT HEAT DETECTORS



- Product reference: N/A.

• Classification: Contractor's choice.

- Suffix: Contractor's choice.


POINT SMOKE DETECTORS




• Detection method: Optical.

STANDARD FIRE RESISTING CABLING

• Type: In accordance with BS 5839-1.

• Sheath and accessory colour: Red.

SOUNDERS




• Type: Electronic sounder.

• Sounder cut off time (maximum): 30 minutes.

• Ingress protection standard: Submit proposals.

• Colour: White.

• Directional output at 1 m (minimum): 65 dBA.


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• Integral beacon: Required.

• Mounting: Surface.

• Power supply: From loop.

VISUAL ALARM SIGNAL DEVICES



• Type: Xenon beacon.

• Flash rate per minute:

- Minimum: 30.

- Maximum: 130.

• Lens:

- Material: Polycarbonate.

- Colour: Red.

• Enclosure ingress protection to BS EN 60529: IP44.

SHORT CIRCUIT ISOLATORS

• Manufacturer: System manufacturer.

- Product reference: System manufacturer.

• Power supply: Loop powered.

• Integral LED status indicator: Required.

EXECUTION

STRIPPING OUT


MODIFYING EXISTING FIRE DETECTION AND ALARM SYSTEMS

• Existing fire detection and alarm system: Trace out.

- Short circuit isolators: Identify and label.

- End of line devices: Identify and label.

- Sounders: Identify cabling route and label.

- Detection devices: Identify cabling route and label.

- Interfaces with other equipment: Identify and label.

• Connections to external and remote signalling devices: Isolate.

• Circuits and cabling that are to remain: Make good and update record drawings.

• Method: Submit proposals.

WORKING IN AREAS PROTECTED BY FIRE DETECTION AND ALARM SYSTEMS

• Minimize false alarms: Inform staff of the presence of automatic fire detectors and of the

precautions to be adopted when working.



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INSTALLING CABLING


• Cable route: Segregate from other cabling. Where installed in trunking, locate in a

dedicated fire cabling compartment.

- Type: Loop or radial circuits without spurs pr tees

• Mechanical protection: Cable tray.

• Fastening cables:

- To building fabric: Metal P-clips with red plastic coating.

- To cable supports: Metal bands with red plastic coating.

• Cables passing through the building fabric: Sleeve.

• Jointing: At equipment terminals.

• Cable terminals: Use ceramic terminal blocks.

• Maximum circuit resistance: Measure before concealment. Submit results.

INSTALLING MANUAL CALL POINTS

• Location: Prominent position.

• Mounting height generally (above finished floor level): 1.2 m.

• Test key: Locate to allow easy test operation.

• Labelling: Identify the manual call point address.

- Type: Face engraved rigid plastic laminate.

- Background: White.

- Lettering: Red.

INSTALLING SOUNDERS

• Circuit wiring: Connect to loop cable.

• Protective cage: Not required.

INSTALLING VISUAL ALARM SIGNAL DEVICES

• Location: Submit proposals

• Mounting height generally (above finished floor level): Ceiling mounted.

• Protective cage: Not required.

INSTALLING SHORT CIRCUIT ISOLATORS


• Labelling: Identify the associated zones.

INSTALLING END OF LINE DEVICES


• Labelling: Identify the presence of an end of line device, and describe its function.

INSTALLING REMOTE INDICATORS

• Concealed detection devices: Install individual LED indicators.


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INSTALLING INTERFACES TO OTHER EQUIPMENT AND SYSTEMS

• Connection to equipment: Install interconnecting wiring between interface unit and

equipment controlled.

• Interface units: Label, describing their function.

COMPLETION


• Commissioning: In accordance with BS 5839-1.

• System commissioning agent: System manufacturer.

• System verification agent: System manufacturer.

• Notice before commencing tests (minimum): 2 weeks.

SYSTEM INFORMATION

• Device list: Before commissioning submit proposals, including proposed device and zone

names.

• Zone diagram: Before commissioning submit proposals.

DEVICE IDENTIFICATION AND TESTING

• Device identification: Label devices with a unique address corresponding to that used by

the CIE.

• Device testing: Verify the operation of each device. Submit a schedule of devices, including

the device test methods and results.

CABLE TESTING

• Insulation resistance: Submit results.

• Earth continuity: Submit results.

SYSTEM SOAK TESTING

• Soak test: Undertake when construction works are complete, but before handover.

- Period: 14 days.

- Re-test after remedial works.

STANDBY BATTERY TESTING

• Mains power supply: Isolate.

• Quiescent mode: Measure current supplied by standby source when fire detection and

alarm system is operating in the quiescent mode. Submit results.

• Alarm mode: Measure current supplied by standby source when fire detection and alarm

system is operating in the alarm mode. Submit results.

TESTING ACTUATION, INTEGRATION AND INTERFACING WITH ALARM AND

SECURITY SYSTEMS

• Connections with other systems and equipment: Verify and demonstrate operation of the

systems and equipment under fire and fault conditions.


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MEASUREMENT OF SOUND PRESSURE LEVELS

• Sound pressure levels: Measure throughout the building.

• Test instrument:

- Standard: To BS EN 61672-1.

- Setting: Slow response, weighting A.

• Doors: Close before measuring sound pressure levels.


- Format: Electronic layour drawing showing location of measurements with results

CERTIFICATION

• Format: In accordance with BS 5839-1 Annex G.

• Number of copies: 3.

• Design certificate: Submit.

• Installation certificate: Submit.

• Commissioning certificate: Submit.

• Verification certificate: Submit.

DOCUMENTATION

• Operation and maintenance manual: Submit.


• Fire evacuation plan: Submit.

- Format: Electronic colour CAD layout.

LOG BOOKS

• Format: To BS 5839-1 Annex F.

• Number of copies: 1.

ACCEPTANCE CERTIFICATE

• Acceptance certificate: Prepare and submit.

MAINTENANCE


- Duration: Until 12 months after completion.

W51 Voice alarm systems


GENERAL

VOICE ALARM SYSTEMGENERALLY

• System manufacturer: Existing.

• System type in accordance with BS 5839-8: V2.

- Variations: None.


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• Power supplies: Primary and secondary.

• Tertiary power supply: As existing.

• Message source: As existing.

• Equipment interconnectivity: Standard fire resisting cabling .

• Cable containment: Cable tray, as section Y63.



• Audio signal distribution: As Existing.

• Amplifiers: Existing.

• Control and indicating equipment: Required.

- Mimic indicator panels: Not required.

• Equipment racks: Existing.

• Outlets: Loudspeakers.

• Accessories: As existing.

• Completion: Submit design and cost proposals.

SYSTEM PERFORMANCE

DESIGN

• Design: Complete the design of the voice alarm system.

- Standards: To BS EN 60849 and in accordance with BS 5839-8 and BS 7827 (where

appropriate).


literature.

• System designer: Submit proposals.

- Qualifications of designer: Submit proposals.

• Spare system capacity: N/A.

• Equipment matching: Existing.

• Equipment electrical power: Provide electrical supplies to equipment requiring power.

• Loudspeaker circuits: As existing Voice alarm system schedule.

• Loudspeaker cabling voltage drop (maximum): 10% at furthest point on each circuit.

PERFORMANCE

• Evacuation message: Automatically transmit.

• Alarm message zones: Existing.

• Message priority: Existing.

• Voice message audibility: To BS EN 60849 Annex C.

• Ambient noise levels: Submit proposals.

• Voice message intelligibility:

- Speech transmission index (STI) (minimum): 0.5.

- Method of measurement: To BS EN 60268-16.


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• Speech to background noise ratio (minimum): 10 dB.

• Amplifier failure: Existing.

• System frequency response: Existing.

• Controlling reverberation: Existing.

ALARM SYSTEM TYPE V2

• Objectives of the evacuation plan: As specification.

• Supplementary all-call emergency microphones:

- Location: Existing.

LOUDSPEAKER ZONES

• Zoning requirements: Existing.

• Mode of operation: Existing.

INTEGRATION WITH FIRE DETECTION AND ALARM SYSTEM

• Response in the event of a fire signal: Existing.

PRODUCTS

LOUDSPEAKERS- RECESSED IN CEILING


• Type: A.



• Frequency response: Match system parameters.

• Rated impedance: As existing.

• Power handling (continuous): As existing.

• Dispersion: As existing.

• Enclosure:

- Degree of ingress protection to BS EN 60529: IP44.

- Material: Painted Steel.

- Finish: White.

- Protective grille: Perforated steel.

• Transformer tappings: Submit proposals.

- Location: Secondary winding.

• Cable connections:

- Type: Submit proposals.

- Capacity: 6 mm².

- Short circuit protection: Submit proposals.

LOUDSPEAKER REAR PROTECTIVE ENCLOSURES



• Smoke and fire hoods: Match fire performance of building fabric.


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STANDARD FIRE RESISTING CABLING

• Type: In accordance with BS 5839-1.

• Sheath and accessory colour: Red.

EXECUTION


• Installation: To BS EN 60849 and in accordance with BS 5839-8 and BS 6259.

• Equipment: Provide electrical supplies to equipment requiring power. Derive from a

dedicated circuit from the main switchboard with the same electrical phase.


• Fire detection and alarm system: Interconnect.

• Metallic parts of the system: Separate in accordance with BS 6651, from metalwork

forming part of a lightning protection system.

INSTALLING CABLING


• Cable route: Segregate from other cabling. Where installed in trunking, locate in a

dedicated fire cabling compartment.

• Cable topology: Loop or individual radial circuits. Install in one uninterrupted run.

• Loudspeaker wiring: Parallel.

- Distribution of loudspeaker circuits: Interleave.

- Zone wiring: As Voice alarm system schedule.


conditions.

• Cables: Install in one length.

• Cable pulling: Submit proposals. Do not overstress. Prevent kinks and twisting of the cable.

• Cables passing through walls: Sleeve with conduit or pipeduct. Bush at both ends.

• Jointing: At equipment and terminal fittings only.

INSTALLING LOUDSPEAKER REAR PROTECTIVE ENCLOSURES


COMPLETION

LABELLING

• Equipment list: Before commissioning submit system information proposals, including

proposed equipment and zone identification.

• Equipment rack: Label with unique identification code.

• Amplifiers: Label with zone information.

• Loudspeaker transformers: Label the commissioned tapping setting.

• Zone diagram: Provide. Show the location and identity of system equipment and zones.

- Location: Next to equipment racks and fire microphones.


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• Testing: In accordance with BS 5839-8.

• System commissioning engineer: System manufacturer.

• Notice before commencing tests (minimum): 2 weeks.

• System commissioning:


- Ventilation and cooling: Commission and verify operation.

- Input equipment: Commission.

- Output controls: Commission and adjust.

- Equalizers and auxiliary passive elements: Commission.

- Equipment impedance matching: Verify.

- Loudspeaker polarity: Verify.

- Loudspeaker transformer tappings: Verify.

- Interface with other systems: Verify.

- Results: Submit.

• Cable testing:

- Insulation resistance: Submit results.

Earth continuity: Submit results.

MEASUREMENT OF SOUND PRESSURE LEVELS

• Test locations: All.

• Sound pressure levels: Measure during worst case building operation. Submit results.

- Doors: Close before measuring sound pressure levels.


- Format: Electronic layout drawing showing location of measurements with results.

MEASUREMENT OF MESSAGE INTELLIGIBILITY

• Test method: Submit proposals.

• Locations: All.

• Message intelligibility: Measure during worst case building operation. Submit results.

- Doors: Close before measuring intelligibility.

- Minimum speech transmission index (STI): Derive from test measurements: Submit

results.


- Format: Electronic layout drawing showing location of measurements with results.

STANDBY BATTERY TESTING

• Mains power supply: Isolate.

• Quiescent mode: Measure current supplied by standby source when the voice alarm

system is operating in the quiescent mode. Submit results.


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• Evacuate mode: Measure current supplied by standby source when voice alarm system is

operating in the full evacuate mode. Submit results.

TESTING ACTUATION, INTEGRATION AND INTERFACING WITH OTHER SYSTEMS

• Connections with other systems and equipment: Verify and demonstrate operation.

SYSTEM RE-COMMISSIONING

• Voice alarm system: Re-commission.

Timing: 1 month after Practical Completion.

DOCUMENTATION

• Operation and maintenance manual: Submit.


• System operating instructions: Provide and fix a laminated copy at each control position.

- Size N/A.

- Format N/A.

• Certification: Submit.

- Format: In accordance with BS 5839-8 Annex D.




Number of copies: 3.

MAINTENANCE


Duration: Until 12 months after Practical Completion.


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.

Documents

Fleetbank House 3rd, 7th and 8th floor refurbishment and