REPAIRS/MAINTENANCE OF LT UNDERGROUND CABLE , MCCB FEEDER PILLAR BOX AND

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for laying of cable/poles and getting out in soft/loose soil complete all as specified and directed.

Excavation in trenches not exceeding 1.5m wide and exceeding 1.5 mtr and not exceeding 3 mtr in depth for laying of cable/poles and getting out in soft/loose soil including taking out out bricks complete all as specified and directed.

Returning, filling in trenches with soil obtained from excavation including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and directed.

Removing excavated materials to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point all all as specified and as directed.

Supply and spread sand in trenches as sand cushioning to under ground cable for protection with fine river sand and provide reqd cover after punning down complete all as specified and directed. Note : Thickness of sand cushion after punning down will be measured and paid.

Material and labour for laying of bricks locally available sub-class 'B' brick (old size) for cable protection cover laid flat and dry in trenches over the cable perpendicular to the directon of cable complete all as specified and directed.

Material and labour for providing plain cement concrete 1:3:6 type C1 using 20 mm graded crushed stone aggregates as in coping including all necessary form work complete all as specified.

Taking out existing old damaged / unserviceable LT UG cable, PVC/XLPE insulated, steel strip /wire armoured multistranded aluminium conductor cable from trench /duct /pipe. etc of any sizes complete all as specified.

Supply, laying connecting testing only XLPE/PVC sheathed, armoured LT electric power UG Cable (Heavy duty) with stranded aluminium conductor of size 300 Sqmm, 3.5 core 1100 volts grade, laid through duct/pipe/in trench etc. incl cable gland and lugs complete all as specified and directed.

Supply, laying connecting testing only XLPE/PVC sheathed, armoured LT electric power UG Cable (Heavy duty) with stranded aluminium conductor of size 120 Sqmm, 3.5 core 1100 volts grade, laid through duct/pipe/in trench etc. incl cable gland and lugs complete all as specified and directed.

Supply, laying connecting testing only XLPE/PVC sheathed, armoured LT electric power UG Cable (Heavy duty) with stranded aluminium conductor of size 50 Sqmm, 3.5 core 1100 volts grade, laid through duct/pipe/in trench etc. incl cable gland and lugs complete all as specified and directed.

Supply, laying connecting testing only XLPE/PVC sheathed, armoured LT electric power UG Cable (Heavy duty) with stranded aluminium conductor of size 35 Sqmm, 3.5 core 1100 volts grade, laid through duct/pipe/in trench etc. incl cable gland and lugs complete all as specified and directed.

Supply, laying connecting testing only XLPE/PVC sheathed, armoured LT electric power UG Cable (Heavy duty) with stranded aluminium conductor of size 24 Sqmm,3.5 core 1100 volts grade, laid through duct/pipe/in trench etc. incl cable gland and lugs complete all as specified and directed.

Supply, laying connecting testing only XLPE/PVC sheathed, armoured LT electric power UG Cable (Heavy duty) with stranded aluminium conductor of size 16 Sqmm, 4 core 1100 volts grade, laid through duct/pipe/in trench etc. incl cable gland and lugs complete all as specified and directed.

Supply and laying 80 mm bore galvanised iron tubing, light grade with all fittings for passing of cables under road, on wall or on pole with and including clamps, nuts, bolts etc including taking down old unserviceable GI tubing of any size including cutting, chases to wall/floor & making good complete all as specified and directed.

Supply and laying 50 mm bore galvanised iron tubing, light grade with all fittings for passing of cables under road, on wall or on pole with and including clamps, nuts, bolts etc including taking down old unserviceable GI tubing of any size including cutting, chases to wall/floor & making good complete all as specified and directed.

Material and labour for cabe route indicator , made out of 900 x 300 x 100 mm block in PCC 1:2:4 type B-2 duly rendering with 15 mm thick in CM 1:4 finished even & smooth duly showing size of cable complete all as specified and directed.

Material and labour for straight through joints (epoxy) including joint kits and labour complete for making joints suitable for UG cables of the size 120 to 150 sqmm 3.5 core complete all as specified and directed.

Supply and fix MCCB 4 Pole, 415V, adjustable type,Ics=100% Icu (d-sine) 500 Amps with breaking capacity 50KA, thermal release range 200-250 amp conforming to IS/IEC 60947-2 & IEC 60947-2 including taking down of existing one of any description complete all as specified and directed.

Supply and fix MCCB 4 Pole, 415V, adjustable type,Ics=100% Icu (d-sine) 350 Amps with breaking capacity 36KA, thermal release range 200-250 amp conforming to IS/IEC 60947-2 & IEC 60947-2 including taking down of existing one of any description complete all as specified and directed.

Supply and fix MCCB 4 Pole, 415V, adjustable type,Ics=100% Icu (d-sine) 250 Amps with breaking capacity 36KA, thermal release range 200-250 amp conforming to IS/IEC 60947-2 & IEC 60947-2 including taking down of existing one of any description complete all as specified and directed.

Supply and fix MCCB 3 Pole, 415V, adjustable type,Ics=100% Icu (d-sine) 400 Amps with breaking capacity 36KA, thermal release range 200-250 amp conforming to IS/IEC 60947-2 & IEC 60947-2 including taking down of existing one of any description complete all as specified and directed.

Supply and fix MCCB 3 Pole, 415V, adjustable type,Ics=100% Icu (d-sine) 160 Amps with breaking capacity 36KA, thermal release range 200-250 amp conforming to IS/IEC 60947-2 & IEC 60947-2 including taking down of existing one of any description complete all as specified and directed.

Relaying of existing LT cable in trenches all as specified and directed including cable lugs, cable glands etc complete all as specified and directed. Note:- Earth work, bricks, sand filling etc shall be measured and paid separately.

M&L for Boring hole under-neath road/hardstanding/pavement with trenchless technology using mechanical drilling/horizontal boring machine for crossing of cable without cutting the surface and providing 80mm bore HDPE pipe suitable for 0.4mpa working pressure and making good the disturbed area etc complete all as specified and directed. Note : 80mm bore HDPE pipe is deemed included in unit rate quoted by the contactor.

Material and labour PCC 1:2:4 type B2 using 40mm graded crushed stone aggregrate with 100mm thick for flooring finished even & smooth complete all as specified and directed.

Material and labour for earthing complete with galvanised steel earth plate electrode 600mmX60ommX 6mm thick burried directly in ground (earth pit not less than 2.25 mtr below ground level) with top edge of the plate not less than 1.5 mtr below ground level connected to 4mm dia GI wire protected by 20 mm bore light grade galvanised iron pipe and other end connected to test point as directed including funnel with wire mesh and watering pipe 20 mm bore medium grade galvanised iron pipe with charcoal and common salt in alternaterlayers of 15 cm thickness all around the GI plate electrode with concrete pit in PCC 1:3:6 type C-1 with cast iron frame including cast iron cover10mm thick hinged to CI frame and 6mm MS rod for handle, necessary excavation and earth wok in hard/dense soil and disposal of spoil to a distance n exc 50 m and necessary testing complete all as shown in electrical plate No 3 of SSR 2009 part-I all as specified.

Material and labour for earthing complete with galvanised steel earth plate electrode 600mmX60ommX6mm thick burried directly in ground (earth pit not less than 2.25 mtr below ground level) with top edge of the plate not less than 1.5 mtr below ground level connected to Galvanised Iron strip 25 x 4 mm as earthing lead and protected by 40 mm bore light grade galvanised iron pipe and other end connected to test point as directed including funnel with wire mesh and watering pipe 20 mm bore medium grade galvanised iron pipe with charcoal and common salt in alternaterlayers of 15 cm thickness all around the GI plate electrode with concrete pit in PCC 1:3:6 type C-1 with cast iron frame including cast iron cover10mm thick hinged to CI frame and 6mm MS rod for handle, necessary excavation and earth wok in hard/dense soil and disposal of spoil to a distance n exc 50 m and necessary testing complete all as shown in electrical plate No 3 of SSR 2009 Part-I all as specified and directed.

Material and labour for Galvanised iron earthing strip of size 32x6mm burried in ground complete all as specified.

Taking down & Re-fixing only Galvanised iron earthing strip of size 32x6mm burried in ground all as specified.

Material and labour for synthetic Insulating mat of size 2mx1mx10mm confirming to IS all as specified and directed.

Material and labour for Brickwork with subclass ‘B’ bricks, straight or curved on plan exc 6m mean radius built in cement mortar 1:4 complete all as specified.

Material and labour for 15 mm thick rendering in cement mortar 1:4 on fair faces of brick masonry (valve pit/brick pillar) or concrete surface, finished the surfaces even and smooth with using extra cement complete all as specified.

Supply and fix off load changeover switch-AC 21 (Side handle) 400 Amp Four pole, 415 Volts AC, 50HZ, including taking down all as specified. Make :- Havells Cat part No-IHBFFE0400 or equivalent make of L&T/ Seimens/Schinder/ABB.

Supply and fix onload changeover switch-AC 23 (Side handle) 63 Amp Double pole, 415 Volts, 50HZ, including taking down all as specified. Make :- Havells Cat part No-IHBFFE0063 HSN Code 8536 or equivalent make of L&T/ Seimens/Schinder/ABB.

Supply and fix onload changeover switch-AC 23 (Side handle) 100 Amp Double pole, 415 Volts , 50HZ, including taking down all as specified. Make :- Havells Cat part No-IHBFFE0100 HSN Code 8536 or equivalent make of L&T/ Seimens/Schinder/ABB.

Supply and fix street light panel Three phase, 6KW Astronomical (timer), 32/TP (contacor rating Amp), 40/TPN (MCB Rating including taking down all as specified. Make ;- Havells Cat part No- IHXTS0306A or equivalent make of Crompton/Legrands/ Seimens/Schinder.

Suppy and fix Electronic timers type ST 100 for 240/360/415V, 50 Hz including taking down all as specified. Make :- L&T Cat part No ST80328OOOO or equivalent make of Crompton/Legrands/ Seimens/Schinder.

Supply only of 40 mm to 80 mm graded crushed stone aggreagates complete all as specified and directed.

NAGALAND AGENCIES CO

M/S SANJIB DEB

SURANA CORPORATION

M/S TAPAN KUMAR RAY

M/S PIJUSH BHATTACHARJEE

M/S M L Pratihar