PROVISION OF 250 KVA TRANSFORMER AT DIPATOLI MILITARY STATION UNDER GE DIPATOLI RANCHI

Amount

Supply, installation, testing and commissioning mineral oil immersed natural Air cooled,outdoor type,double copper wound type distribution transformer three phase 250 KVA capacity rating ,non sealed type ,50Hz rated frequency ,11 KV/415 Volts nominal system voltage connection vector symbol Dyn11,30 degree positive phase displacement ,off circuit tap changing arrangement for voltage variations of ±5% to ±10% in steps of 2.5% for variation of HV all as per IS -1180(part-I) 2014 ( including all amendment thereon) and inluding all fittings accessories complete all as directed. .

Material and Labour for earthing complete with galvanized steel earth plate electrode 600x600x6.0mm thick buried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level connected to galvanized iron strip 32 x 6 mm mm as earthing by means of bolts nuts and washers of galvanized iron including excavation and earth work and disposal of surplus soil including 40 mm dia GI tubing light grade and necessary fittings for protection of GI strip including laying of charcoal , dust and common slat , PCC 1:2: 4 type B 1 using 20 mm graded aggregate with earth pit with 40 X 40 X 6.0 mm MS angle iron frame RCC cover of size 450x450x50mm, (1:2: 4) type C1 using 20 mm graded stone aggregate reinforced with 8 mm dia round bar @ 75 mm C/C both way with 02 Nos of handles of 10mm dia steel bar, plastering 15 mm thick CM ( 1: 6) internally and up to 150 mm below ground level externally . PGI funel with wire mesh ,20 mm dia medium grade GI pipe for watering complete all as shown on electrical plate No : 03 of SSR part - I 2009 and connected to earth test point including testing completed all as directed. Note:- Earth wire up to 7.5 meter connected to earth point shall be deemed to be included in unit rate.

Material and Labour for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or burried in ground or drawn in conduits/ pipe or fixed to poles or any other indicated situation for loop earthing etc. of size 32x6 mm Galvanised mild steel strip complete all as directed.

Material and Labour for XLPE insulated, screened, PVC bedded,galvanised steel strip or wire armoured,electric power cables heavy duty) with aluminium conductor, 11000 volts Earthed,grade cross sectional area 95 sq. mm 3 core complete all as directed.

Supply and fixing for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as directed.

Material and Labour for Mild steel Cross arms, bracings, supports,clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat of Zinc redoxide , one under coat and one finishing coat of Synthetic enamel paint complete all as dircted.

Supplying and fixing for Lightning arresters , HT, suitable for 11000 V expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp complete and connecting to conductors and earthing complete all as directed.

KANISHKA ENTERPRISES

M/S Akash Enterprises