Installation and commissioning of 3 phase,4 wire 11kV Overhead Line with continuous running earthing from Coal depot to substation near Majhi basti of OC Project at Nakrakonda Kumardihi B Colliery under Bankola Area

Amount

Item Description/ Heading

Supply of 9mtr long w/l 400kg PCC Pole as per IS 785(1998),IS-1678/1960/1978,IS:269/1978 IS:8041/1976/1978 with manufacturer TC

Erection of 9Mtr long w/l 400kg PCC pole as per standard

Supply and erection of HT stay set complete coforming to IS 2062-1992 (Grade A) and the fabrication shall comform to IS-7215-1974

Supply,fabrication and fixing of M.S. Channel for four pole bracket,DP line bracket,GO switch bracket Size-100x50x5mm M.S channel

Supply,fabrication and fixing of M.S Angle for cradle guard,earth bracket and cable support bracket,LA bracket,fuse unit bracket etc.size-65*65*6mm

Supply,fabrication and fixing of M.S. Flat for Pole clamp,stay clamp and MS nut,bolt,washer.Size-65x6mm

Supply and fixing of 11KV grade polymer composite disc insulator (B and S type),as per IEC61109,320mm,45kN,Dry power freq.-60kV,Wet Power freq.-35kV with Manufacturers TC and with hard ware fitting

Supply and fixing of 11KV grade polymer pin insulator as per IEC61109,320mm,5kN,Dry power freq.-60kV.Wet Power freq.-35kV with Manufacturers TC and with hard ware fitting

Supply and erection of 11 KV 3pole G.O. Switches All material used for manufacturing i.e. 11KV Post Insulators,G.I.Pipe, MS Channel,Brass Male/Female contacts and Arcing Horns shall comply with the Indian Standard Specification IS:2544,IS:5340 (Part-III)and IS :9921(Part I to V).with Accessories

Supply and erection of 3 phase fuse system unit for 11kV GO switch

Supply and Drawing of 100sqmm ACSR DOG conductor,Length 2000x3+ 100 binding and jumper as per IS:398(Part I and II) of 1996 with latest amendments with TC

Supply and Drawing of 6SWG GI wire for earth continuity,GI wire shall comply with IS:280-2006 with the latest amendments and galvanising shall comply with IS:4826-1979 with the latest amendments

Supplly and erection of Earth spike for pole earthing and GI iron materials for earthing

Making and Installation of cradle guard by 6SWG GI wire,it shall comply with IS:280-2006 with the latest amendments and galvanising shall comply with IS:4826-1979 with the latest amendments.It shall be insulated with structure by binding over bobbin insulator and grounding the same

Supply and erection of 9KV lighting arrestor as per IS/IEC 62305 and amendments till date

Making of earth pit by 2 no C class GI pipe of 50mm dia and 8mm thick,2no earth spike,2kg 6swg cu. Wire,GI clamp,bentonite soil 10bag-25kg each,salt 2bag-25kg each,Charcoal etc.In accordance to IS3043 (1987) and any amendments till date. Connecting earth pit to equipment with requisite materials

Brick work of earth pit by Kilburn brick,cement,sand and making plastering

Supply,fabrication,welding and erection of 50x6mm GI flat for LA connection,it Shall comply with IS:280-2006 with the latest amendments and galvanising shall comply with IS:4826-1979 with the latest amendments

Supply and fixing of busbar insulator as per IS 731(1971) for G.I. flat laying

Transportation,earth cutting,covering and laying of 35sqmm PVC insulated copper cable from OH line GO switch to 11kV Indoor controlling breaker

Total impact of GST for the purpose of CTC

MAZUMDER ELECTRICAL

SABIR CONSTRUCTION