Installation and commissioning of 3 phase 4 wire 3.3 kv overhed line from ESP substation with continuous earthing to new drivage substation for incline drivage at shyamsundarpur colliery

Amount

Item Description/ Heading

Supply at worksite 11mtr Long steel tubular swagged pole of ultimate tensile strength of 410MPa designated as 410SP55 in accordance to IS:2713(Partl) 1980 with latest amendments and manufacturer TC.

Erection of 11Mtr long steel tubular Pole with concrete foundation cement, sand and chips etc.

Supply and erection of HT stay set complete conforming to IS 2062-1992 (Grade A) and the fabrication shall conform to IS-7215-1974 with manufacturer TC.

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

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

Supply, fabrication and fixing of MS 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.-6Okv,oWet 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, 600A 3pole G.O.Switches. All material used for manufacturing i.e. 11 KV 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 with manufacturer TC

Supply and erection of 11 KV, 600A 3pole G.0.Switches. All material used for manufacturing i.e. 11 KV 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 (PartI to V). with Accessories with manufacturer TC

Supply and drawing of 100sqmm ACSR Dog conductor,Length 610x3+ 80 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, Gl wire shall comply with IS:280-2006 with the latest amendments and galvanising shall comply with IS: 4826-1979 with the latest amendments.

Supply and erection of Earth spike for pole earthing and Gl iron materials earthing. Earth spikes can be made of galvanized iron (GI),1.0-1.2 meters long, at least 17 millimetres in diameter.

Supply and erection of 3KV lighting arrestor as per IS/IEC 62305 with manufacturer TC and amendments till date

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.l. flat laying.

Supply and jointing of outdoor type heat shrink joint kit 11KV grade 95/70sq.mm. cable as per IEEE 48 standard

Supply and jointing of indoor type heat shrink joint kit 11KV grade for 95/70sq.mm. cable as per IEEE 48 standard

Supply and fixing of shackle insulator 3"x3 1/2" for cradle guard insulation with pole

Making of cradle guard with 6/8 SWG Gl wire as per IER (Indian Electricity rule) 87 and 88

Transportation, earth cutting, covering, laying and installation of 70sqmm/95sq.mm PVC insulated copper cable from OH to switch

Supply and installation of 7/10SWG stay wire with manufacturers TC

Making of earth pit by 2no Gl pipe, 2no earth spike, 2kg 6swg cu. Wire, Gl clamp, bentonite soil 10bag, salt 1 bag,etc. for 550V switch earthing for lightning arrestors, body and cradle guard.

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

Total impact of GST for the purpose of CTC

MAZUMDER ELECTRICAL (BID ID -1127030)

SABIR CONSTRUCTION (BID ID -1127043)