Repair and Maintenance of Electrical Installation and street lighting systems and improvement of illumination including replacement of damaged fittings by LED fittings at FSD Mangalbari

Amount

Cat (A) -Items to be supply, installation, testing and commissioning

Supplying and fixing of following sizes of steel conduit along with accessories in surface/recess including painting in case of surface conduit, or cutting the wall and making good the same in case of recessed conduit as required. 20 mm

Supplying and fixing of following sizes of steel conduit along with accessories in surface/recess including painting in case of surface conduit, or cutting the wall and making good the same in case of recessed conduit as required. 40 mm

Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface/ recessed steel / PVC conduit as required. 3 x 1.5 sq. mm

Laying and fixing of one No. PVC insulated & PVC sheathed/XLPE al conductor cable of 1.1KV grade of following size on the wall surface as reqd. Upto 35 sq. mm (clamped with 1mm thick saddle)

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required.

Providing and laying earth connection from earth electrode with 6 SWG dia G.I. Wire in 15 mm dia G.I. pipe from earth electrode including connection with G.I. thimble excavation and re-filling as required.

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ sub main wiring/ cable as required.

Supplying and fixing 5/6 amps switch ISI mark piano type switch on the existing switch box/ cover including connections etc. as required.

Supplying, installation, testing and commissioning of LED flood light fitting 120 watt made up of pressure die cast aluminium housing with toughened glass and high power LEDs and secondary lenses with IP 66 Protection complete with all accessories etc. (As per NABL Certified ISO/IEC Specifications)

Supply, installation,testing commissioning of 80W Integrated LED Well glass luminaries comprises of die cast canopy,control gear with M.S. CLAMPS and G.I. nut & bolts with washers as required. (As per NABL Certified ISO/IEC Specifications)

Supply, installation,testing commissioning of 40W LED tube light fitting including all accessories i.e., installation of Led tube on wall/truss with round block, screw etc as required. (As per NABL Certified ISO/IEC Specifications)

Providing and fixing of lightning conductor finial, made of 25 mm dia 300 mm long, G.I. tube, having single prong at top, with 85 mm dia 6 mm thick G.I. base plate including holes etc. complete as required.

Providing and fixing G.I. tape 20 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as required.(For vertical run)

Jointing copper / G.I. tape (with another copper/ G I tape, base of the finial or any other metallic object) by riveting / nut bolting/ sweating and soldering etc as required.

S/F of W.P. loop in /out box on pole (280X170X130 mm) including fixing with M.S. clamp 40X3 mm thick on pole/wall along with 1 no. MCB 10 amp and one nos. nutral link and 1.50 sq. mm pvc insulated copper conductor single core cable from box to individual fitting through or along pole.

Supplying and fixing 6way double door, single pole and neutral, sheet steel, MCB distribution board, 240 volts, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/Isolator).

Cat (B) - Buy Back Items

Less credit for dismantaled old damaged 5/6Amp piano/round type switch

Less credit for dismantaled old damaged 25 to 45 W LED Fitting

Less credit for dismantaled old damaged 100 to 200 W LED Fitting

Less credit for dismantaled old damaged 20W LED batten Fitting