SPECIAL REPAIR/REPLACEMENT OF HT CABLE AND CONNECTING ACCESSORIES AT ALG ZIRO AT AF STN TEZPUR

Amount

Excavating in Trenches not exc. 1.50 mtr wide and not exc. 1.50 mtr in depth, Taking Out and Laying of Cables, etc. and getting out in Soft/ Loose Soil, complete all as specified and as directed.

Returning, Filling in, including Spreading, Levelling, Watering and Well Ramming in Layers not exc. 250mm in Soft/Loose Soil, complete all as specified and as directed.

Removing excavated Materials (Soils) not exc. 50.00 mtr and depositing where directed at a level not exc. 1.50 mtr above the Starting Point in Soil, complete all as specified and as directed.

Horizontal Boring for passing GI protection pipe up to 100 mm bore (dia), under road / foot path, not exc. 10.00 metre in a single length, complete all as specified and as directed.

M&L Sand Cushioning (dry) in Trenches for protection of UG Cables (below, above and around the UG Cable laid in Trenches) of 230mm Spread thick -ness and consolidated (punned) upto 180mm thickness, complete all as specified and as directed. (NOTE : For the purpose of Payment, Punned thick-ness of Sand Cushioning only shall be Measured and Paid for).

Taking Down HT Under Gound cable of size 185 sqmm 3 core from trenches, complete all as specified and directed.

Supply laying & testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty)with stranded aluminum conductor, 11000 volts grade, of size 3 core 185 sq mm.

S&F Sub-Class B brick, well burnt, laid breadth-wise along the axis of Cable laid in Trenches over Sand Cushion laid for UG Cable Protection, complete all as specified and as directed.

M&L for cutting the road/hard standing and making good disturbed surface by using PCC type C2 (1:3:6) by using 20 graded stone aggregate for the fixing the pipe complete all as directed by the Engr-in-Charge at site.

Taking down/out unserviceable GI / HDPE/Polyethylene flexible pipes of any descriptions, laid in trenches and/or fixing with Walls/Poles complete all as specified and as directed.

S&F Galvanised Iron Pipe 80mm Bore (dia) ‘Light Grade’ for protection of UG Cable, laid in Floors/ Road Crossing, fixing to Pole with Mild Steel Clamps, Nuts, Bolts, etc., complete all as specified and as directed. Make : JINDAL/BANSAL/NTL.

Supply and fix cable jointing kit for 11 KV grade cable for out door termination heat shrink type joint complete with jointing material and accessories suitable for3 core XLPE armoured Al conductor cable of size 120sqmm to 185 sqmm

Supply and fix cable jointing kit for 11 KV grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for3 core XLPE armoured Al conductor cable of size 120sqmm to 185 sqmm

Supply and fix cable jointing kit for 11 KV grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 Sqmm to 185 sqmm, Indoor/Outdoor type, complete all as specified and directed.

Supply and installation of 11 KV, single phase, out door oil cooled CT of ratio 050/05, 5 Amp, class 1.0 / 5P10, burden 15 VA, confirming to IS:2705 complete all as specified and directed.

Supply and installation of 11 KV single phase out door oil cooled PT of ratio 11 KV/rt3/110 V/rt3/110V/rt3,Class 0.5-3, Burden 50 VA – 50 VA, complete all as specified and directed.

Supply and fix HT 11 KV out door type gang operated air-break switch suitable for horizontal or vertical mounting rotating type complete with 9 insulators of rating upto 200 Amps including taking down old Unsercviceable GOD, complete all as specified and directed.

M&L Drop out fuse, Triple Pole, mounted on Insulators and Steel Frame suitable for Out door Vertical Mounted complete and Terminal Connectors for ACSR Conductors conforming to IS-1818/72 and 9921/85 with 2 Isolator Per Pole of Capacity 200 Amp, 11 KV Operation including necessary Adjustment and making Holes on Mild Steel Angle and Testing complete all as specified and as directed. Make : JAIPURIA / ATLAS.

Supply and Fix,lightning arresters metal oxide type,consisting of a stack of zinc oxide discs encapsulated in heat shrinkable sleeve,arranged in hermatically sealed porcelain housing,complete with all fittings,distribution class,discharge capacity 65 kilo amp,suitable for 11000 Volts,complete all as specified and directed.

M&L for Earthing complete with GI earth plate electrode of size 600x600x6 mm thick buried directly in ground with earth pit not less than 2.25 meter deep below ground level with top edge of plate not less than 1.5 meter below normal ground level connected to GI earth strip of size 32 x 6 mm earth lead by means of nuts, bolts, check nuts, washers of galvanised iron as steel, protected by galvanized iron pipe 40mm bore (Medium grade) all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 42 x 42 x10cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part I including testing on completion all complete as specified and directed.( GI strip upto 7.5m including testing consider in this item).

M&L for Earthing complete with copper earth plate electrode of size 600 x 600 x 3.15mm thick buried directly in ground with earth pit not less than 2.25 meter deep below ground level with top edge of plate not less than 1.5 meter below normal ground level connected to copper strip of size 20 x 3mm earth lead by means brazing after fixing of nuts, bolts, check nuts, washers of galvanised iron steel, protected by galvanized iron pipe 40mm bore (Medium grade) all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 42 x 42 x 10cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, earth testing point, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part I including testing on completion complete all as specified and directed.

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthling etc. as required by using GI strip of size 32X6mm.

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthling etc. as required by using copper strip of size 20X3mm.

Singhs Construction (BID ID -3283423)

SHRI D. C. BISWAS (BID ID -3283754)