PROVN OF HIGH MAST LIGHTING FOR CDA CHENNAI OFFICE COMPLEX UNDER GE CHENNAI

Amount

Excavation in trenches in soft/ loose soil n. exc. 1.50m wide and n. exc. 1.50m deep for laying cables and getting out complete all as specified and directed.

Returning filling in including spreading, leveling, watering & well ramming in layers not exceeding 25cm thick in soft/ loose soil complete all as specified and directed.

Removing excavated soil to a distance n. exc. 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Supply, laying/ spreading in trenches clean dry sand to required width and depth at bottom and top of cable including spreading, levelling, punning for laying/ cushioning of cable all as specified and directed. Note: Punned thickness only will be considered or payment.

Supply and laying burnt bricks, old size, sub class 'B', laid flat abutting each other, perpendicular to cable with width equal to width of brick laid in trenches for protection of cable all as specified and directed.

Supply and laying in trenches, fixed on wall (or) passing through pipes/ in floors including connecting up, testing and commissioning of XLPE insulated screened PVC bedded galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 50 Sqmm 3½ core complete all as specified and directed.

Earthing complete with galvanised steel earth plate electrode of size 60cm x 60cm x 6.3mm thick buried directly in ground vertically to a depth of not less than 2.25 mtr below normal ground level with top edge of earth plate not less than 1.5 mtr below normal ground level, connected to ganvanised iron strip of size 32 x 6mm as earth lead by means of bolts, nuts and washers of galvanised iron, protected by means of 40mm dia light grade GI pipe all as specified and shown in MES schedule electrical plate No. 3 of SSR (Part-I) including necessary excavation and earth work in soft/ loose soil, PCC (1:3:6) type C-1 in chamber, 50mm thick RCC (1:2:4) type B-1 cover slab with 8mm dia MS bars at 100mm centre to centre both ways and MS 6mm dia hook, charcoal dust, salt, funnel for watering complete and testing the earth resistance and writing on the chamber by paint complete all as specified and as directed.

Supply, fix, connecting and testing MCCB four pole 100 Amps, 415 volts breaking capacity, 25kA with fixed thermal and fixed magnetic setting fixed in existing panel complete all as specified and directed.

(a) Supply, install, test and commission, 12.50 m high mast shaft in two sections, suitable for 55m/ sec wind speed, with raising, lowering system comprising, head frame, luminaires carriage suitable to install 08 Nos luminaires in symmetrical arrangement, double drum winch, 5mm dia, SS wire rope, trailing cable, connector, integral power tool motor, manual handle, junction box, lightening finial, (wiring material from JB to individual luminaire & MCB in base compartment are included and are a part of installation). (b) S&F foundation bolts manufactured from special steel alongwith nuts, washers, anchor plate and common template - 01 set (c) S&F LED flood light BENP 20FL 150W LED or equivalent - 08 Nos. (d) S&F LED type single dome aviation obstruction light -01No. (e) M&L for LT panel board, factory made, powder coated, outdoor type of size 800mm x 450mm x 300mm made out of 3.15mm thick CRCA sheet and four Nos pedestal of suitable length made out of 40mm x 40mm x 5mm angle iron and locking knobs 2 Nos, suitable to house and including MCB TPN 63 Amps-1 No. (Make: Legrand Cat No. 408686 or equivalent of L&T), Timer Device-01 No. (Make: Legrand Cat No. 412654 or equivalent of L&T) complete all as specified and directed. Note: Quote rates shall be deemed to include for surface dressing, excavation & earth work, PCC & RCC in foundation, TMT bars reinforcement as specified in Particular specifications.

S.M.ELECTRICALS

EVEREST ENGINEERING WORKS

GK ENTERPRISES

Vijay Electricals