REPAIR/MAINT/REPLACEMENT OF LT CONTROL PANEL, LT CABLES, FEEDAR PILLAR BOX, ACSR CONDUCTOR, SUB-STATION EARTHING AND CONNECTED WORKS IN DOMESTIC AND TECHNICAL AREA AT AF STN BIHTA

Amount

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr deep in loose / soft soil and getting out for under ground cable / erection of poles, stays etc complete all as specified and as directed.

Returning, filling in soil, including spreading, levelling, watering and well ramming in layers n.exc 25 cm thick complete all as specified and as directed.

Removing of excavated material (soil) n.exc 50 mtr away and depositing where directed at a level n.exc 1.5 mtr above the starting point complete all as specified.

M&L for laying of bricks sub class ‘B’ old size laid flat perpendicular to the direction of cable for protection of cable complete all as specified.

M&L for sand cushioning for cable with river washed sand and pinning to provide required cover as per SSR Part –I complete, all as specified and directed. (Depth of sand shall be measured after punning).

Supply & fixing GI tubing light grade, on poles, under floors, road crossing etc., complete with all fittings as reqd at site and as directed by Engr-in-Charge for the following size of pipes: - A) 50 mm bore

B) 80 mm bore

Material & Labour for jointing testing Indoor/Outdoor type cable termination (heat Shrinkable) jointing kit for 1100 Volts underground XLPE cable of size 25 to 50 Sqmm 3 ½ core including taking out old/unserviceable joints complete all as directed.

Description all as per Srl item 7 here-in-before but for cable of size 70 to 120 Sqmm 3 ½ core

Description all as per Srl item 7 here-in-before but for cable of size 185 to 300 Sqmm 3 ½ core

Supply, Laying, connecting and testing XLPE cable underground PVC insulated and over all sheathed with aluminium conductor heavy duty 1100 volts grade laid in trenches, floors, ducts passing through pipe for road crossing etc including taking down old UNSV cable of any size complete all as directed including taking out old damaged cable and all as specified and directed for the following size of cables: - (excavation, earth work, brick protection sand cushioning and GI pipe etc shall be measured & paid for separately) A) Cross sectional area 70 Sqmm 3 ½ core

B) Cross sectional area 95 Sqmm 3 ½ core

C) Cross sectional area 120 Sqmm 3 ½ core

M & L for earthing complete with galvanized steel earth plate electrode 60cm x 60cm x 6 mm thick, buried directly in ground (earth pit not less than 2.25 mtr deep below ground level ) with top edge of the plate not less than 1.5 meters below normal ground level, connected to galvanised iron strip 32x6 mm as earthing lead by means of bolts, nuts, check-nuts, and washers of galvanised iron or steel including excavation and earth work, GI pipe medium grade 40 mm bore for protection of GI strip from earth electrode to test point /machinery / equipment. supplying and laying charcoal dust comman salt PCC (1:2:4) type B1 using 20 mm graded crushed stone agregrate chamber and RCC cover 54 cm X 54cm x50 mm thick (1:2:4) type B-1 using 20 mm graded crushed stone aggregates, reinforced with 8 mm dia TMT bars @ 75mm C/C both ways with mild steel handle 12 mm dia, using round bar ,PGI funnel with wire mesh, 20 mm dia GI pipe light grade for watering all as shown in electrical plate No-3 of SSR part-1 and testing on completion including taking out the old unserviceable one complete all as specified and directed. Note - Cost of GI wire and GI protection pipe up to a distance 7.5 M shall be included in quated rate of above Items. Note : Rate for taking down of old unsv earthing upto ground level shall also be included in quoted rate).

Supply & Fixing MCCB, 4 Pole, 415 Volts 125 Amps rating with breaking capacity of 36 kA, fixed thermal & magnetic setting complete with making all connections as specified and directed.

Supply & Fixing MCCB, 4 Pole, 415 Volts 160 Amps rating with breaking capacity of 36 kA, fixed thermal & magnetic setting complete with making all connections as specified and directed.

Supply & Fixing MCCB, 4 Pole, 415 Volts 200 Amps rating with breaking capacity of 36 kA, fixed thermal & magnetic setting complete with making all connections as specified and directed.

Supply & Fixing MCCB, 4 Pole, 415 Volts 250 Amps rating with breaking capacity of 36 kA, fixed thermal & magnetic setting complete with making all connections as specified and directed.

Supply & Fixing MCCB, 4 Pole, 415 Volts 400 Amps rating with breaking capacity of 36 kA, fixed thermal & magnetic setting complete with making all connections as specified and directed.

Supply & Fixing MCCB, 4 Pole, 415 Volts 630 Amps rating with breaking capacity of 50 kA, fixed thermal & magnetic setting complete with making all connections as specified and directed. NOTE :- Note for item no 12 to 17 contractor is responsible to procure the MCCB's as per existing make and model to suit in existing panels.

Supply & Fixing OFF Load Change Over Switch of capacity 400 Amps, four pole, complete with making all connections as specified and directed.

Supply & Fixing OFF Load Change Over Switch of capacity 200 Amps, four pole, complete with making all connections as specified and directed.

Supplying, installing, testing & commissioning out door type cubical panel board outer shell made out of 3.15 mm thick MS sheet and inner shell made out of 2 mm thick MS sheet and MS angle section 50x50x6 mm mounted on PCC 1:2:4 type B-1 platform 60 cm above and 45 cm below the ground level, frame factory fabricated with front openable double door system and cable alloy (Each door hinged with body at 3 places with body and hinges should be welded with body and door) lockable/open able by Keys having chromium plated 19 mm dia fancy lock, “U” type gasket shall be used to make the outer shell completely vermin proof suitable for 3 phase 4 wire 415 Volt, 50 Hz, tested at factory approved from CPRI for 35 MVA rupturing capacity at 415 Volts factory fabricated having modern fabrication and testing process followed by powder coat painting having thickness not less than 100 microns provided with suitable gasket to make it dust/vermin proof and general construction confirming to IS:8623/93 comprising of the following :-

Note:- (i) The quoted rate shall includes minor items such as cable lugs, steel nuts & bolts, washers, top insulators, sleeves, spreaders, provision of extra holes in bus bar, provision of cable gland etc. (ii) All internal wiring shall be done with suitable size of PVC insulated solid copper conductor FRLS cable conforming to IS-694. (iii) Panel drawing shall be got approved before placing of order from Engr-in-Charge/GE. (iv) The bus connection for cable from main bus bar to outgoing MCCB will be connected through suitable rating bus bar strip type duly insulated. (v) The Panel shall be surrounded with 23cm brick wall upto 0.5 mtr height all around the panel and blank portion between panel and wall shall be filled with PCC 1:2:4 incl masonary work leaving ducts for cables complete all as directed.

SANJAY CONSTRUCTION COMPANY

ARTI ENTERPRISES