Refurbishment of Communication Centre Facility for NFS Project, Indian Air Force at Southern Air Command HQ, Akkulam. SH Providing Electrical Infrastructure and Automatic Fire Detection System (Revised)

Amount

Part - A - EI & Fans - SH I (Point wiring, Circuit Wiring)

Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed steel conduit, with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable etc. as required.

Group C

Supplying and fixing suitable size GI box with modular plate andcover in front on surface or in recess, including providing andfixing 3 pin 5/6 A modular socket outlet and 5/6 A modularswitch, connections etc. as required.

Supplying and fixing suitable size GI box with modular plate andcover in front on surface or in recess, including providing andfixing 6 pin 5/6 & 15/16 A modular socket outlet and 15/16 Amodular switch, connections etc. as required.

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed steel conduit as required.

2 X 1.5 sq. mm + 1 X 1.5 sq. mm earth wire

4 X 1.5 sq. mm + 2 X 1.5 sq. mm earth wire

2 X 4 sq. mm + 1 X 4 sq. mm earth wire

4 X 4 sq. mm + 2 X 4 sq. mm earth wire

4 X 6 sq. mm + 2 X 6 sq. mm earth wire

4 X 10 sq. mm + 2 X 6 sq. mm earth wire

4 X 16 sq. mm + 2 X 6 sq. mm earth wire

Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in recessed steel/ PVC conduit as required.

3 x 1.5 sq. mm

6 x 1.5 sq. mm

Supplying and fixing of following sizes of steel conduit alongwith accessories in surface/recess including painting in case ofsurface conduit, or cutting the wall and making good the samein case of recessed conduit as required.

Supplying and fixing metal box of following sizes (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including painting etc. as required.

75 mm X 75 mm X 60 mm deep

150 mm X 150 mm X 60 mm deep

200 mm X 150 mm X 100 mm deep

Suppying and fixing 3 mm nominal thick phenolic laminated sheet as reqd.

SH-II : SITC of fittings and Fans

1) All light fittings and fans shall be got approved by BSNL / Air Force before supply at site.

2) All the light fittings should have the following features

a) RoHS complaince

b) PF should be 0.9 or better

c) For indoor lights CRI shall be greater than 80 and that of Outdoor lights greater than 70.

d) All indoor luminaries should have passed "Photo Biological Safety Standards Test"

3) IES files of all the luminaries shall be submitted

4) Correlated Colour temperature (CCT) mentioned against each fittings are indicative only and the exact CCT of each fitting shall be finalised before supply in consultation with Engineer-in-Charge / Air Force Authorities according to the application)

Supplying, Installation, testing and commissioning of pre-wired, following fluorescent fitting / compact fluorescent/LED fitting including lamp, complete with all accessories etc. including connection with 1.5 sq. mm FRLS PVC insulated, copper conductor, single core cable and earthing etc. as required.

Surface/Recess mounting type 2' x 2' Square LED fitting with driver housed in powder coated CRCA with maximum power input of 36 W complete as required.

System Lumen Efficacy - > 100 lm/watt Power - < 36 W THD - < 10% Driver Efficiency > 85% Colour Temperature - 5700K + 300K Burning Hours - 50000 hours LM 79, LM 80 certificate shall be submitted

Make: Wipro CRCO10R038HP57GL1, Philips, Crompton Greaves or similar superior

SITC of 400 mm sweep Wall fan with metallic blade and base along with necessary accessories for fixing etc as required. (Make: Crompton Greaves SDX 120, Bajaj or SS Make)

Supplying and fixing two module stepped type electronic fanregulator on the existing modular plate switch box includingconnections but excluding modular plate etc. as required.

SH III : DBs and MCBs

Supplying and fixing of following ways surface/recess mounting, vertical type, 415 V, TPN MCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 A tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCBs (but without MCBs and incomer ) as required . (Note : Vertical type MCB TPDB is normally used where 3 phase outlets are required.)

Note: IP 43, IK 09 or better

(M/s Legrande/L&T or SS make)

4 way (4 + 12), Double door

Supplying and fixing following way, horizontal type three poleand neutral, sheet steel, MCB distribution board, 415 V, onsurface/ recess, complete with tinned copper bus bar, neutralbus bar, earth bar, din bar, interconnections, powder paintedincluding earthing etc. as required. (But withoutMCB/RCCB/Isolator)

Note: IP 43, IK 09 or better

(M/s Legrande/L&T or SS make)

4 way (4 + 12), Double

Supplying and fixing following way, single pole and neutral,sheet steel, MCB distribution board, 240 V, on surface/ recess,complete with tinned copper bus bar, neutral bus bar, earthbar, din bar, interconnections, powder painted includingearthing etc. as required. (But without MCB/RCCB/Isolator)

Note: IP 43, IK 09 or better

(M/s Legrande/L&T or SS make)

6 way , Double door

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

(Make:M/s Siemens/Schneider/ Legrand/L&T)

Single pole

Double pole

Triple pole

Triple pole and neutral

Supplying and fixing following rating, four pole, 415 V, isolatorin the existing MCB DB complete with connections, testing andcommissioning etc. as required.

Supplying and fixing following rating, four pole, (three phaseand neutral), 415 volts, residual current circuit breaker (RCCB),having a sensitivity current 30 mA in the existing MCB DBcomplete with connections, testing and commissioning etc. asrequired.

Supplying and fixing following rating, double pole, (single phaseand neutral), 240 V, residual current circuit breaker (RCCB),having a sensitivity current 30 mA in the existing MCB DBcomplete with connections, testing and commissioning etc. asrequired.

Supplying and fixing 2 way sheet steel powder coated enclosure along with necessary accessories and suitable DP MCB etc as reqd.

SH IV : Cable Laying and Earthing

Supplying, laying and fixing of one number XLPE Aluminum armoured UG cable of 1.1KV grade of 3.5 Core 70 sq.mm in following ways including all necessary accessaries as required.

the existing masonry open duct

on wall surface (clamped with 25 x 3mm MS flat clamp)

in the existing RCC/ HUME/ Metal PIPE

Direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc. Note: M-Sand may be used instead of River Sand)

Laying additional cable direct in ground in the same trench in one tier horizontal formation including excavation, sand cushioning, protective covering and refilling the trench etc as required. Note: M-Sand may be used instead of River Sand)

Supplying, laying and fixing of one number XLPE Aluminum armoured UG cable of 1.1KV grade of 3.5 Core 25 sq.mm in following ways including all necessary accessaries as required.

the existing masonry open duct

on wall surface (clamped with 1mm thick saddle)

Supplying and making end termination with brass compressiongland and aluminium lugs for following size of PVC insulatedand PVC sheathed / XLPE aluminium conductor cable of 1.1 KVgrade as required.

3½ X 70 sq. mm (38mm)

3½ X 25 sq. mm (28mm)

Supplying and laying following size 'B' class GI pipe for cable protection as required (Make: Tata/Jindal or SS)

Earthing with copper earth plate 600 mm X 600 mm X 3 mmthick including accessories, and providing masonry enclosurewith cover plate having locking arrangement and watering pipeof 2.7 metre long etc. with charcoal/ coke and salt as required.

Providing and fixing 25 mm X 5 mm copper strip in 40 mm dia G.I.pipe from earth electrode including connection with brass nut,bolt, spring, washer excavation and re-filling etc. as required.

Providing and fixing 25 mm X 5 mm copper strip on surface or inrecess for connections etc. as required.

Providing and fixing earth bus of 50 mm X 5 mm copper strip onsurface for connections etc. as required.

Supplying and installing following size of perforated paintedwith powder coating M.S. cable trays with perforation not morethan 17.5%, in convenient sections, joined with connectors,suspended from the ceiling with M.S. suspenders including bolts& nuts, painting suspenders etc as required.

200 mm width X 50 mm depth X 1.6 mm thickness

Supplying and installing following size of perforated paintedwith powder coating M.S. cable trays Tee with perforation notmore than 17.5%, joined with connectors, suspended from theceiling with M.S. suspenders including bolts & nuts, paintingsuspenders etc as required.

225 mm width X 50 mm depth X 1.6 mm thickness

Supplying and installing following size of perforated paintedwith powder coating M.S. cable trays bends with perforationnot more than 17.5%,, joined with connectors, suspended fromthe ceiling with M.S. suspenders including bolts & nuts, paintingsuspenders etc as required.

200 mm width X 50 mm depth X 1.6 mm thickness

Supplying and installing following size of perforated painted with powder coating M.S. cable trays Reducer with perforation not more than 17.5%, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, painting suspenders etc as required.

225 mm width X 50 mm depth X 1.6 mm thickness

Supplying and installing following size of perforated paintedwith powder coating M.S. cable trays Cross Member withperforation not more than 17.5%, joined with connectors,suspended from the ceiling with M.S. suspenders including bolts& nuts, painting suspenders etc as required.

225 mm width X 50 mm depth X 1.6 mm thickness

Providing and fixing 4.00 mm dia copper wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ submain wiring/ cable as required.

SH V : LT Panel

SITC of CPRI/Independent Test House type tested design extensible cubicle type LT panel, totally enclosed, free standing type, dust, damp and vermin proof panel suitable for 415V, 3 phase, 4 wire, 50 Hz AC supply system fabricated in compartmentalized design from CRCA sheet of 2 mm thick, with load bearing parts made of 2.5 mm thick CRCA sheet and 3 mm thick gland plates, powder coated in approved shade having 200 Amps 4 strips Aluminium alloy bus bars of high conductivity, DMC/ SMC bus bar supports, heaters with termostat to keep the inside temperature 5 deg C above ambient, bottom base channel of MS section not less than 100mm x 50 mm x 5mm thick, entire panel shall have a common copper earth bar of size 25mm x 5 mm (2 Nos) at the rear with 2 numbers earth stud, solid connections from main bus bars to switch gears with required size Al. bus bars and control wiring with 2.5 sq.mm PVC insulated copper conductor FRLS wires , cable alleys, cable gland plates on both sides, additional spare switch space for two switches, providing necessary metal supports for installation etc, i/c providing following switch gears as required.

Incomer

100 A 4P 36 KA MCCB with microprocessor with ground fault protection (2-10) Ir and over load protection (0.4-1) In, with extended rotary handle, spreader terminals, electrical and mechanical interlock (castell key) etc - 2 nos.

Out goings

a) 40 A 4P 36 KA MCCB with microprocessor with ground fault protection (2-10) Ir and over load protection (0.4-1) In, with extended rotary handle, spreader terminals - 6 nos.

b) 63 A 4P 36 KA MCCB with microprocessor with ground fault protection (2-10) Ir and over load protection (0.4-1) In, with extended rotary handle, spreader terminals - 2 nos.

4 strips aluminium bus bars of minimum of 200 A capacity with heat shrinkable colour coded sleeves and i/c DMC / SMC bus bar supports at required intervals.

Metering

Digital type LCD multifunction meter of Class 1 accuracy with 3 CTs 100/5A, Cl 1 rating for measurement of voltage, current, frequency, power factor, KVA, KW, KWH. - 1 No.

Note: Multifunction meter shall be mounted in separate compartments.

Indications

a) LED type indicators for R Y B with fuse protection and toggle switches.-1 set

Heater - Anti condensation heater shall be provided in each cublicle with control switch

Note: All MCCBs - Ics=100%Icu

Complete as above

Part B : Addressable Fire Detection System

SITC of Intelligent Analog Addressable Type Photoelectric Type Multi Detector Complete with Dual LED, Hard Addressable having rotary decade Address swicthes from 01-99, complete with Mounting Base Complete as required Conforming to BS 5839 Standards and Duly Approved by EN54/LPCB/VDS/UL/BSA

Supply, installation, testing and commissioning of addressable loop powered sounder and strobe rated at 85dBA @ 3m for audible annunciationwithaddress setting feature with rotary/DIP switch i/c Providing and fixing fitting fixtures and accessories suitable for the system as per site conditions and specifications. (M/s Notifier/ Siemens/ Edwards/ Honeywell Morley or Similar superior make having UL/ULC/ EN 54 approval)

Supply, installation, testing and commissioning of addressable manual pull station i/c providing and mounting in a metal box with front glass cover and suitable arrangement to break the glass and accessories suitable for the system as per site conditions and specifications. (M/s Notifier/ Siemens/ Edwards/ Honeywell XLS1000/ Morley or Similar superior make having UL/ULC/ EN 54 approval)

Supply, installation, testing and commissioning of wall mounted analog addressable type fire alarm control panel having 2 loops supporting a total of 60 detectors/ devices/ modules/ sounders/ hooters /manual pull stations. The panel shall have LCD display with backlit, programming control keypad, built in alarm, trouble and supervisory relays, control module etc. It shall be provided with sealed maintenance free battery backup for 24 hours during mains failure with 30 minutes in alarm condition. Panel shall be 100% field programmable. FACP shall be provided with auto- tel dialer with feature to forward pre- recorded message to minimum of 4 landline/ mobile nos. It shall be provided with required fitting fixtures and accessories and shall be designed as per site conditions and attached specifications. (M/s Notifier/ Siemens/ Edwards/ Honeywell Morley or Similar superior make having UL/ULC/ EN 54 approval)

Supply, installation, testing and commissioning of response indicators complete as per attached along with required fitting fixtures and accessories for the system as per site conditions and specifications.

Supply, installation, testing and commissioning of fault isolator to provide short circuit protection to the addressable loop complete with required fitting fixtures and accessories for the system as per site conditions and specifications. M/s Notifier/ Siemens/ Edwards/ Honeywell XLS1000/ Morley or Similar superior make having UL/ULC/ EN 54 approval)

S/L of 2x1.5 sq mm Cu conductor PVC insulated PVC sheathed armoured FRLS cable with ISI mark on wall/ceiling including connecting the glands where ever necessary as required.

Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in recessed steel/ PVC conduit as required.

2 x 1.5 sq. mm

Part C : Telecommunication Earthing

Providing and fixing of maintenance free Earthing system comprises of molecularly bonded copper of 99.9% purity on low carbon steel of min 3048mm length (10 feet), having a diameter of 20mm with copper bonding thickness of 250 microns as per UL 467. The Rod has to be either continuous or with self-coupling peg & bore arrangement with fault current withstand capability of 30 KA rms value for 1 second and I peak of 76 KA. The rod must be having corrosion test, peel off test for uniform coating, 180 degree bend test with out peeloff of copper bonding. Exothermic welded Clamp for clamping as suggested as per NBC 2016. Earth enhancing mineral compound of minimum 25 Kg is used for improving the soil conductivity. Concrete Earth electrode inspection chamber with weight bearing capacity of 50KN. The dimension shall be 320mmx 320mmx 190mm.

Supplying and laying 10mm dia copper coated steel solid round conductor having atleast 70 microns copper, confirming to IS 62305,in heavy duty 20 mm dia PVC pipe with necessary mounting arrangements for interconnections etc as required.

Supplying and laying 10mm dia copper coated steel solid round conductor having atleast 70 microns copper, confirming to IS 62305, directly in the ground for interconnections/Ring earth etc as required.

Providing and fixing of connector Cross connector / T connector / parellel connector suitable for 10 mm dia round copper coated steel conductor confirming to IS 62305 made of SS 304 (Make: Dehn, OBO, Cape or similar superior make)

Providing and fixing earth bus of 50 mm X 5 mm copper strip onsurface for connections etc. as required.

Part D : Surge Protection

Supply, Installation, testing and commissioning of following surge protection devices (Class B-Type I) with voltage protection level corresponding to that of Type I + Type II suitable for LT installation of three phase, 4 wire, 415V, 50Hz AC supply with load end direct grounding system independent of power supply source in DIN channel, all interconnections and extending earth point of SPDs to nearest Earth terminal shall be with Single Core HRFR PVC Insulated Industrial Grade Copper Conductor (Unsheathed) Flexible Cables, 1100 Volts of 16 sq.mm size, end terminations etc. as required and as per specification attached.

Supplying & Installation of polycarbonate /thermo plastic distribution board of industrial quality with IP 65 degree of protection for accommodating Surge protection devices as per item above i/c providing masking and labelling strips, necessary DIN channel etc as reqd.

Part E : Inverter AC units

SITC of 3 star inverter type 1.5 TR 3 star S/T AC unit including outdoor and indoor unit on the existing angle iron frame, fixing of standard length copper refrigerant pipes, making thermal insulation with ready made poly foam tube (thickness not less than 5mm) i/c leak testing, top up of gas giving electrical connections, testing and commissioning etc as required. (The agency should make their own arrangement for ladder/scaffolding etc). (Make - DAIKIN / LG / HITACHI / BLUESTAR / VOLTAS OR Similar Superior make)

S/F the following size good quality ISI mark, 10 kg/cm2, PVC pipe with accessories for protection of refrigerant pipe / drain water connection with necessary clamps etc as required.

20 mm dia

S/F of powder coated MS frame for fixing the condenser unit of 1.5 TR S/T type A/C units and providing necessary nuts and bolts etc as reqd.

S/F of extra length of copper refrigerant pipe (Both cold & hot line)suitable for 1.5 TR A/C units (beyond the standard length supply with inverter AC) at site i/c insulating with 5mm thick ready made poly foam tube, brazing the pipe ,leak testing and giving connections in 63 mm dia flexible pipe and clamping the pipe etc etc as reqd.

S/L of following size of PVC insulated pvc sheathed flexible copper conductor cable and giving connections to indoor/Out door unit etc as reqd

3x 2.5 sq.mm

DSK ELECTRIC POWER