Installation and Commissioning of 3.3 KV OH line and lighting transformer in Nakrakonda OC project at Nakrakonda Kumardihi B colliery under bankola area

Amount

Item Description/ Heading

Supply at worksite 9mtr Long steel tubular swagged pole of ultimate tensile strength of 1410MPa designated as 410SP33 in accordance to IS:2713(PartII) 1980 with TC

Erection of 9Mtr 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

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 6 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 poly mer 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. 11 KV Post Insulators, G.I.Pipe, MS Channel, Brass Male/Female contacts & Arcing Horns shall comply with the Indian Standard Specification IS: 2544, IS: 5340 (Part-III) and IS: 9921 (Part I to V). with Accessories

Drawing of 50sqmm ACSR Rabbit conductor, Length 500x3+ 60 binding and jumper as per IS: 398 (Part I & 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 11 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.

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

Supply and drawing of 6SWG GI wire for earth continuity, Gl wire shall comply with IS: 280-2006 11 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 & Gl iron materials earthing.

Supply and jointing of outdoor type heatsink 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

Transportation, earth cutting, covering, laying and installation of 70sqmm PVC insulated copper cable from OH to switch

Supply and installation of 7/10SWG stay wire

Loading, Unloading & Transportation of transformer 3.3KV/110V 25KVA lighting transformer from CM work shop to OCP near sub- station

Lifting, Placing, testing and connection of transformer 3.3KV/110V 25KVA lighting transformer

Making of earth pit by 2no Gl pipe, 2no earth spike, 2kg 6swg cu. Wire, Gl clamp, bentonite soil 10bag, salt 1bag,etc. for 550V switch earthing at OCP Pumping

Brick work of earth pit by Kilburn

Supply at the work site LED warm/neutral white flood light (self ballasted module) 150W, 220V with pressure die cast housing with toughened glass, individual LED'S secondary optics, IP65 protection, lightning protection 10kV and 145lm/W (29000lm) conforming to IS16103 (part 2):2012. Preferred brand (Phillips/Bajaj/Crompton Greaves/Havells)

Supply and Installation of 6sq.mm. PVC insulated dual aluminium core CTS cable for Light connection

Supply at work site of 4Cx25sqmm Al conductor, PVC armoured PVC sheathed 1.1kV grade power cable conforming to IS 1554(Part1), IS:7098 Part-1 &IS:3975. with latest amendments.

Supply and fitting of 0.75sqmm single core copper wire

Total impact of GST for the purpose of CTC

MEGA ELECTRICAL ENGINEERING

BENGAL ELECTRICAL ENTERPRISE

ROY ENTERPRISE

ANNAPURNA ENTERPRISE