SPL REPAIR AND CONVERSION OF OVER HEAD ELECTRIC HT CONDUCTOR TO UNDERGROUND ELECTRIC CABLE AND CONNECTED ACCESSORIES UNDER GE S MAMUN AT MAMUN MIL STN

Amount

Excavation in trenches in soft/loose type soil n. exc. 1.5 Mtr in width and not exceeding 1.5 Mtr in depth, n.exc 10 Sqm on plan and getting out all as required for laying of cable/ poles complete all as specified and directed.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each all as required complete all as specified and directed.

Removing excavated material to a distance not exceeding 50 mtr and deposting where directed at a level not exc. 1.5 mtr above the starting point complete all as specified and directed.

Supply and laying unreinforced precast cement concrete cable cover, class HV, type 1 with peak, size 300mm x 180mmx 40mm for protection of cable abutting each laid dry flat width equal to the length of cable cover complete all as specified and directed.

M&L for sand cushioning to under ground cable laid in trenches for laying of HT/LT UG cables 8 cm wide before laying the cable and 15 cm after laying and punned down to a depth of 10 cm as per MES SSR Part-I (2509) all as specified and directed. Note: Punned thickness shall be measured and paid to the contractor.

Supply, laying in trenches or fixed to wall/pole or passing through pipe or road crossing, testing and commissioning HT UG XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, suitable for earthed system, electric power cables (heavy duty) with stranded aluminium conductor, 11KV (Earthed) grade, of size 95 Sqmm 3 core including taking down unserviceable HT cable of any type/size/description etc complete all as specified and directed. (Note: Excavation & Earthwork shall be measured and paid seprately).

Supply and fix cable jointing kit for 11 KV grade cable for termination outdoor, heat shrinkable type joint complete with jointing material and accessories suitable for XLPE armoured aluminium conductor cable of size 50 Sqmm to 95 Sqmm 3 core with voltage 11000 volts (Earthed) with jointing material and accessories including testing complete all as specified and directed.

Supply and fixing of GI tubing light grade 100 mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole complete all as specified and as directed.

M&L for un-reinforced precast cement concrete (1:2:4) type B-1 (using 20mm graded crushed stone aggregates) cable route indicator of size 800mm x 300mm x 100mm laid along the line of cable at an interval not exceeding 200 metre and also at turning points of the power cable route wherever practicable and planting depth shall be 300mm from ground level including complete earth work (excavation in trenches, returning filling in & removal of surplus soil not exceeding 50 metre) complete all as specified and directed by Engr-in-charge.

Material and labour for cross arms, bracings, supports, clamps and back plates fabricated from steel section including nuts, bolts, washers, welding bending cold or hot drilling holes for bolts in any shape ors size as indicated or directed and inclusive of oneprimer coat, one under coat and one finishing coat of aluminium paint complete all as specified and directed by Engr-in-charge

M&L for earthing with steel earth plate electrode of size 60cmx60cmx6mm thick buried directly in ground to a depth not less than 2.25 mtr deep below normal ground level with top edge of the earth plate not less than 1.5 mtr deep below normal ground level connected to galvanized iron strip of size 32x6mm as earthing lead by means of nuts, bolts and washers of steel after welding of GI strip to earth electrode to the full lenght of earth plate,40mm dia GI tubing light grade protection pipe upto test point, 20mm dia GI medium grade watering pipe with funnel and wire mesh, PCC pit 1:3:6 with pit cover of size 30X30cm made of RCC 1:3:6 with suitable handle,angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt layers all around the earth plate and filling of vegetable soil to the remaining 10%,removal of surplus soil and returning filling in all as required at site including test point made out of steel plate of size 75x75x6mm fixed to wall all as specified in electrical plate No 3 of SSR Part-I and directed by Engr-In-Charge. Note:- (i) Item includes the cost of 7.5 metre GI pipe for protection of earth strip (ii) Item includes the cost of 7.5 metre GI earth strip

Supply, installation , commissioning and testing of HT 11 KV, Bus bar box of size 1200mmx 1200mm x1000mm, outdoor type, floor mounted, made out of CRCA sheet of thickness 3.15 mm and CPRI approved including weather proof, dust and vermin proof having IP-65 rated protection and painted with powder coated having 8 tank process, with common elecrolytic, sleeve insulated Aluminium bus bar not less than 1000 Amp capacity and mounted on high quality insulators, 3 phase having phase to phase and phase to body designed with a minimum distance of 250 mm alongwith double door and locking arrangements duly provided with 11 KV danger notice plate including fixing of bus bar on plateform as per OEM directions complete all as specified and as directed.

M&L for switch air break, gang operated, tripple pole mounted on insulators 15 Nos and steel frame with operating mechanism in worked from ground level, drop out fuse, for current rating upto 400 amps and working voltage 11000 volts all as required at site or directed by Engr-in-charge.

Excavation in Road/ floor cutting of width 20 cm and depth 30 cm for inserting of GI pipe for protection of cable including making good the disturbed surface as per existing specifications complete all as specified and directed.

dinesh enterprises (BID ID -3444083)

Ashoka Engineers (BID ID -3447279)

MAMTA ENTERPRISES (BID ID -3447781)

KULBHUSHAN AGGARWAL (BID ID -3447084)

SAINI AND SAINI BUILDERS (BID ID -3447632)

Vijay Kumar Contractor and Engineers (BID ID -3445491)