CWE/HILLS/EWS/50 OF 2024-2025 PROVN OF RING MAIN UNIT STAND BY ELECTRIC SUPPLY AT SUB STN NO 04 AND 2009 FD HOSP AT GE 871 EWS

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 mtr in depth for foundation. (Laying of under ground cables) in hard dense soil and getting out all as directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 mtr in depth for foundation. (Laying of under ground cables) in hard rock and getting out all as directed.

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

Removing excavated material to a distance not exc. 50 mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point of any type of soil complete all as specified and directed.

M&L for cutting of road depth up to 1.5 mtr below the normal ground level of suitable size to lay pipe upto 80 mm dia pipe across the road in horizontal position incl making good all disturbed surfaces of road to match with existing surfaces complete all as directed.

M&L for PCC 1:3:6 (nominal mix), type C-2 (using 40mm graded crushed stone aggregates) as in foundation filling and mass concrete complete all as specified and directed.

Supply and laying GI tubes light grade, galvanised, 80 mm bore including necessary GI fittings, laid in trenches or under floor or fixed with poles/walls for protection of electric cable complete all as specified and directed.

M&L for Double wall corrugated HDPE pipe,Orange Colour, ISI marked of outer dia 90mm, inner dia 75 mm with smooth internal and profiled external surface, non-pressure laid in trenches/floors/duct or fixed on walls /pole including all connections, accessories like socket, couplers, bends, etc for protection of HT cable XLPE grade 11000 volts complete all as specified and directed by Engineer-in-Charge.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 11000 Volts grade with stranded aluminium conductor of size 95 sq mm 3 core, complete all as specified and directed.

Supply and fix cable end jointing kit for 11 KV grade cable for indoor termination heat shrink type joint complete with jointing material and all accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm complete all as specified and directed.

Supply and fix cable end jointing kit for 11 KV grade cable for outdoor termination heat shrink type joint complete with jointing material and all accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm complete all as specified and directed.

Supply and installation of load break switch 11 KV, 630 Amps, 20 KA complete unit outdoor type, with IP-54 protection extensible 03 way, LBS, floor mounted with internal copper bus bars, consisting of 02 Nos incoming fixed manual load break switch and 01 No outgoing fixed manual load break switch. All live parts, bus bars, LBs connections of RMU should be enclosed in one tank (minimum 3 modules) to avoid multiple interconnections & sealed for life robotially / manually welded non magnetic and non ferrite grade stainess steel tank (SS-304) not less than 2 mm thick having IP67 degree of protection filled with gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. LBS should complete with all accessories such as Terminal Boots, VPIS, cable supports, all front cable terminations, mechanical indications for Load Break Switch ON / OFF, bushings bolted type top mounted outside the tank for connection of external bus bar compatable to replace at site etc complete all as specified and directed. Note:- (i) LBS drawing shall be submitted and got approved by GE before incorporation. (ii) The panel should be manufactured at OEM factory ( Not by the franchise). All certificates from OEM shall be submitted before and after installation of LBS. (iii) Configuration and Schematics arrangement of LBS shall be got approved from Garrison Engineer before fabrication . (iv) Any other parts /items not specified above but have been required essential for smooth and safe functioning of LBS shall deemed to be included in the quoted rate. (v) Necessary PCC 1:2:4 for installation of panel shall deemed to be included in the quoted rate. (vi) Manual shifting cost of LBS to the installation where motorable road in Joshimath cantt is not available shall be included in quoted rates.

S&F HT 11 KV bus bar outdoor type weather and vermin proof factory fabricated CPRI approved duly painted with two coat of enamelled paint, pedestal type made out of mild steel sheet 3.15mm thick, factory made, using angle iron 40mm x 40mm x 6mm and 500mm high, front opening double shutter weather proof , rust proof, dust proof with provision of rubber gasket and locking arrangement including HT bush, insulator & bus bar color code - 03 Nos and making connection with suitable size of thimbles, nuts, bolts and washers etc incl necessary earth work. Note- (i) HT Busbar drawing shall be submitted and got approved by GE before incorporation

M&L for Earthing complete with galvanised cast iron earth plate electrode of size 600x600x6.3 mm thick as earth electrode with top edge of the earth plate not less than 1.5mtr below ground level using galvanised iron strip 32x6mm as earth continuity conductor connected to earth plate by means of GI thimbles nuts bolts washers all as directed including providing earth wire protection pipe GI light grade 40mm dia from earth plate to main switch board/panel, watering pipe 20mm dia with wire mesh and funnel at top, earth pit and RCC pit cover in PCC 1:3:6 adequate quantity of charcoal dust and salt all around the earth plate, earth work in any type of soil reaming surplus excavated material all as required at site and specified in EP No 5 of SSR part I 1991 or directed by Engineer-in-charge incl testing on completion.

shivam builders (BID ID -3113389)

Amit Engineering (BID ID -3111078)