GE/ALP (8636) KOLKATA OF 2026-27

S&F 32x6mm galvanised iron strip Earth continuity conductor or main earthing lead fixed to wall on batten/porcelain insulator or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required including taking out of old strip complete all as specified and as directed.

S&F 25 x 3 mm aluminium strip Earth continuity conductor or main earthing lead fixed to wall on batten/porcelain insulator or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required including taking out existing complete all as specified and as directed.

M&L for Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex head screw including taking out of old one complete all as specified and as directed.

M&L for earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with galvanised strip of size 32 x 6 mm by means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe 40 mm bore (light grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (medium grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in any type of soil excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion all as specified and as directed. NOTE: Main earthing lead & protection pipe 40 mm dia light grade from earth electrode to test point upto 7.5 mm is deemed to be included in quoted rate.

All as per BOQ Serial item No 4 above but with GI wire of 4mm dia as earthing lead and 15 mm bore (light grade) GI pipe for protection complete all as specified and directed.

Supply, fabricating, installation, testing and commissioning of back-lit signage including embedding the signage board firmly on the wall/ MS Angle frame/as per approved Art work and nomenclature complete all as specified and directed as given below :- (a) Box with frame :- 25 x 25 mm square pipe (18 G) frame with cross supports @ spacing not exceeding 1.0 m on the box length including 20 mm x 20 mm MS Square pipe (18 G) stifferenrs duly white enamel painted in 2 coats over a coat of zinc oxide iron primer, depth of box should not be less than 165 mm (b) Side, Top, Back and bottom Panels :- Made out of 24 gauge chemically treated GI Sheets duly precoated / powder coated with white MATT finish coating on both inner and outer surface. Top panel to have 24 guage precoated drip cap (fixed with pop rivet or machine moulded to shape) of 25 mm on front and side to prevent damages due to rain etc. The bottom panel should be provided with access door fixed with ss screws and suitable housing for LED drivers. (c) LED Module :- LED 12V Module beam angle >=150 degrees with IP rating >= 64, 0.72 W/70 Lumens per module of 3 LEDs with 7000 to 8000 K colour temperature, Make : Tridonic / Osram / Cree or equivqlent as approved by GE (d) LED configuration :- 29 LED Modules per Sq mt (Equal division on spacing based on height of box) and one module every 0.20 m on running length of box. (e) LED power supply :- Input 230 V AC, power supply should be CPCC (Constant power constant current) of 30W/60W/120 W each. (f) Graphics :- Graphics shall be computer plotter cut with translucent cast vinyl matching the colour specification of the installation

S&F LED 36/42 Watt recessed mounted fitting, energy efficient, decorative type suitable for armstrong/grid ceiling, with its super bright LED complete with all accessories pre-wired and including connecting up with twin core twisted flexible copper conductor cable with suitable size complete all as specified and directed. Make- Havells VENUSNEO2X2PLR36WLD857G2 /Wipro/philips or equivalent as approved by GE

MCB DB SPN 4 Way

MCB DB SPN 8 Way