Service Block Fire Alarm

7/29/2019 Service Block Fire Alarm

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Package-II Part-IV Electrical Works - Fire Alarm System for Service Block

Sl.No QTY DESCRIPTION OF ITEM UNIT RATE (in

Fi ures& Words

AMOUNT

IV.2.2 FIRE ALARM SYSTEM FOR SERVICES ROOM

1 4 Supply and installation of photo electric analog addressableoptical smoke detectors ( multi sensor ) suitable for detecting a

wide range of smoke from slow smolderingand fast flaming fire.

The detectors shall have following features and also including

supply of all fixing materials complete as required

Each

Solid state addressing arrangementin combination with a hand

held programmer to configure the sensor address.

Electronics free mounting bas

Twin alarm LED's for 360 degree viewing and shall have

blinkin LED facilitPhoto electric sensor shall have a removablechamber for ease

of cleaning or replacement.

Automatic compensation for smoke sensor contamination.

Shall have a built in test facility which allows the fire alarm

control panel to adjust the alarmthreshold levels to compensate

for contamination and shall have a maintenance alarm display

when threshold can no longer be adjusted.

Operating Temp Range: 10 deg C to 59 deg C and Humidity :

-2 15 Supply and installationof analog addressableheat detector.The

detector shall have the following features :

Each

Solid state addressing arrangementin combination with a hand

held programmer to configure the sensor address.

Electronics free mounting bas

Twin alarm LED's for 360 degree viewing and shall have

Simple anti tamper locking mechanis

3 4 Supply and installationof addressablemanual call stations within build monitor module and press / break and resettable

capability constructed of high impact LEXAN sheet with clearlyvisible operating instructions on the cover and the word Fire

shall appear on front and suitable for surface mounting / flush

mounting and complete as required.

Each

4 4 Supply and installation of short circuit isolator, analogaddressabletype for isolating analog devices from short circuit,

fault isolating module shall have LED that is to indicate a short

on the loop. This device shall automatically determining an

return to normal condition of the loop and restore the isolated

segments.

Each

5 4 Supply and installation of loop powered base addressable

sounders complete with all fixing materials complete as required

Set

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Fi ures& Words

AMOUNT

6 1 Supply, installation, testing and commissioning of microprocessor based digital distributed processing real time

multitasking and multi user type loop analog addressable type

fire alarm control panel FACP and control panel shall have the

following features including supply of all fixing materials

interconnections earthing complete as required. (2 LOOP

PANEL)

Set

FACP shall be suitable for 230 V 50hz AC supply and smoke

detectorsshall be poweredusing FACP based smoke detection

circuits. Devices shall receive power and communicationfor the

same pair of conductors.

FACP shall provide for resetting smoke detectors fault isolation

and sensor loo o erationFACP shall be suitable for mixing different fire devices and

beam smoke detectors within the same loop to optimize field

FACP shallhavealarmindicationof individualsensors detectors

trouble alarm indication for dust accumulation The panel shall

check detectors once in every 24 hours for contamination for

The FACP shall regularly supervise all the sensors and deviceson the loop and initiate fire or trouble alarm whenever required.

FACP shall have 2 wire circuit to connect 126 addressable

FACP shall be with repeater interface and suitable 24V batter

with built in software and 2 x 40 character alphanumeric LCD

display and necessary front panel control keys, FACP shall

display the date time and description for analog sensors to

indicate alarms and trouble situations.

FACP switches shall allow authorized personnel to accomplish

Initiate a general alarm conditioSilence the local audibl

Silence the alarm signal

Reset all zones / point

FACP shall have walk test facilit

Shall have facility for programming from the key board or

utilizing PC set up software via laptop / desk top computer

Shall have memory data for panel configuration and operation

reside in non volatile memor EPROMAll addressable units shall be connected to the FACP through

the loop cards and shall be addressed through individualized

numbers. The FACP shall be able to obtain analog value for all

detectors in the circuit through a pulsed digitized current data.

The FACP shall be able to analyze all analog inputs from all

addressable units and through its own software and ambient

level screening the FACP shall be able to identify fire, possible

fire or fault condition. The unit supervision shall be dynamic and

continuous

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Fi ures& Words

AMOUNT

The FACP shall itself have all loop cards in it. No isolated

motherboard or transponder shall be considered.

Short/ open circuit units shall also be reported at the FACP in

such cases the systemthrough the use of fault isolators shallbe

able to isolate that segmentbetweenthe two fault isolators.The

missing detectors / devices shall also be reported to the FACP

with identification of the location.

The FACP shall have the facility to set smoke sensor sensitivity

remotely to either high sensitivity manually or on a pre

programmed sequence ( ie day/ night ) period

When an alarm condition is sensed at the FACP from a smoke

or heat detector,a delay time / alarm verification period shall be

stated. If the sensor is still in alarm after the delay time expired,

an alarm condition is reported. The delay time shall be

adjustable from 0 to 990 seconds.

FACP shall have either an in built or externalprinter coupled to

the FACP, which shall log all eventswith time.The printoutshall

clearly indicate the event fire / Pre alarm/ Fault etc. with the unit

address and time.

The FACP shall also be able to discriminate between false

alarms and fire conditionsas well as priorityselectionof alarmin

case alarm activates in two or more remotely located units

simultaneously. In such cases the manual call stations shall

have the highest priority.

The FACP also be able to actuate switches automatically in

case of fire condition that of AHUs and power supply or other

system such as piped pressurized gas supply.

The system shall be fail safe and adequatesafe guards should

be under taken that in the event of al failure of a part of the

system it shall not handicap the complete system. The loop

cards shall be of Modular construction.

The FACP shall have its own battery backup of a minimum of

48 hrs in normal run and then half an hour in alarm condition.

The back up time calculation shall be done as per TAC

standards. The battery shall be 2 x 12 V ( 24 V ) DC and of

sealed maintenance free type, housed inside the FACP.

It shall be able to with stand temp variationsfrom 0 deg C to 55

deg C. Further RH up to 93 % shall not hamper its performance.

The voltagerating shall be from 17 VDC to 31 VDC, though the

voltagemay be change dependingupon the working voltagesof

a proprietary FACP

The FACP shall be totally encloseddust and vermin proof typemade of minimum 16 gauge dust inhibited sheet with even

baked finish. The FACP shall be of completely solid stage

design.

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Fi ures& Words

AMOUNT

The logic circuitry shall be based on high noise immunity solid

state hardware employing modular construction. Logic cards

shall be of epoxy fiber glass construction.

The FACP shall have EN54 / UL / FM approva

The panel shall have an extra loop card to serve as standby in

case of burnout or malfunctioning of any operating loop cards.

The FACP shall be capable of being networked ( future

expansion) with other similar FACPs locatedat different part of

the premises through a single RS 485 bus.

The FACP shall have provision for interfacing with the public

address s stem7 250 Supply and wiring with 2C x 1,5sqmm FRLS twisted pair

shielded, 1.1KV grade PVC insulated unarmoured copper

conductor cable , PVC overall sheathed cable in already

embedded GI conduit with ISI certification mark,

interconnections complete as required and as directed by EIC.

Mtrs

8 2 Supply, fixing and installation of fire exit signage's selfilluminating light fixtures displaying exit with an arrow towards

the exit door.

Each

9 220 Supply and embedmentof 25mm dia HGMS conduit concealedin wall floor / ceiling including supply and drawing of 12SWG

wire as fish wire including supply of all fixing materials as

required and as directed by EIC

Mtrs

TOTAL Rs

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Documents

Service Block Fire Alarm