8169/2021-22/E8 PROVN OF GENERATOR CABLE FOR 400 KVA GENERATOR SET AND PROVN OF LT PANEL, SWITCHES INCLUDING ACCESSORIES AT KIARI UNDER GE 860 EWS

Amount

Material & labour XLPE insulated, armoured, heavy duty electric cable, with stranded aluminum conductor 1100 V grade nominal cross sectional area 400 Sqmm, 3.5 core laid in trenches, ducts, drawn through pipes across the road/path/along poles/wall/floors/equipment etc including jointing and testing complete all as specified and directed by the Engr-in-Charge

All as per srl item no. 01 here-in-before but nominal cross sectional area 185 Sqmm, 3.5 core

All as per srl item no. 01 here-in-before but nominal cross sectional area 150 Sqmm, 3.5 core

All as per srl item no. 01 here-in-before but nominal cross sectional area 120 Sqmm, 3.5 core

All as per srl item no. 01 here-in-before but nominal cross sectional area 70 Sqmm, 3.5 core

All as per srl item no. 01 here-in-before but nominal cross sectional area 50 Sqmm, 3.5 core

All as per srl item no. 01 here-in-before but nominal cross sectional area 35 Sqmm, 3.5 core

All as per srl item no. 01 here-in-before but nominal cross sectional area 25 Sqmm, 4 core

All as per srl item no. 01 here-in-before but nominal cross sectional area 16 Sqmm, 4 core

All as per srl item no. 01 here-in-before but nominal cross sectional area 10 Sqmm, 4 core

Excavation in trenches not exceeding 1.5m and not exceeding 1.5m in depth for laying of electric cable and getting out in hard and dense soil, complete all as specified and as directed by the Engr-in-Charge.

Returning, filling in excavated soil, including leveling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and as directed by the Engr-in-Charge.

Removing excavated material (soil) not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed by the Engr-in-Charge.

Material and labour for factory made un-reinforced pre-cast concrete cable covers, class LV type-1, flat size 250mm x 150mm x 40mm thick complete all as specified.

Material and labour for sand cushioning to under ground electric cable all as per clause No 19.75 of MES SSR Part-I (2009)

Supply, install, connecting, testing and commissioning of cubicle compartmentalised outdoor type LT section pillar box, factory made, front and rear opening with locking arrangement, dust and vermin proof, CPRI approved, fabricated out of 3.15 mm thick CRCA sheet with canopy and base frame & mild steel angle iron stand, over all finished with epoxy powder coating, suitable for operation on 415 Volts, 50 Hz, AC supply, including earthing stud, labeling, etc. and section pillar box shall comprising the following complete including fixed in position, connect with electric supply complete all as specified and directed by EIC:- (a) Bus bar chamber having 4 Aluminium strip Bus bar having air insulated and PVC sheathed 630 A Capacity fixed in position with required nuts bolts and porceline insulator etc. (b) ACB 4 Pole, 415 V, with Thermal Magnetic Release (Manual Fixed type) of capacity 630 Amps. -01 No (c) MCCB 4 pole , 320 Amps, 35 KA , - 01 No (d) MCCB 4 pole , 160 Amps, 35 KA , - 01 No (e) MCCB 4 pole , 100 Amps, 25 KA , - 01 No (f) MCCB 4 pole , 63 Amps, 25 KA , - 02 No

Supply, install, connecting, testing and commissioning of cubicle compartmentalised Outdoor type LT section pillar box, factory made, front and rear opening with locking arrangement, dust and vermin proof, CPRI approved, fabricated out of 3.15 mm thick CRCA sheet with canopy and base frame & mild steel angle iron stand, over all finished with epoxy powder coating, suitable for operation on 415 Volts, 50 Hz, AC supply, including earthing stud, labeling, etc. and section pillar box shall comprising the following complete including fixed in position, connect with electric supply complete all as specified and directed by EIC:- (a) Bus bar chamber having 4 Aluminium strip Bus bar having air insulated and PVC sheathed 250 A Capacity fixed in position with required nuts bolts and porceline insulator etc. (b) MCCB 415 V, 4 Pole, 50 Hz, 320 A, 25 KA breaking capacity adjustable type- 01 No I/C (c) MCCB 4 pole , 160 Amps, 35 KA , - 01 No (d) MCCB 4 pole , 125 Amps, 35 KA , - 01 No (e) MCCB 4 pole , 63 Amps, 35 KA , - 01 No

Supply, install, connecting, testing and commissioning of cubicle compartmentalised Outdoor type LT section pillar box, factory made, front and rear opening with locking arrangement, dust and vermin proof, CPRI approved, fabricated out of 3.15 mm thick CRCA sheet with canopy and base frame & mild steel angle iron stand, over all finished with epoxy powder coating, suitable for operation on 415 Volts, 50 Hz, AC supply, including earthing stud, labeling, etc. and section pillar box shall comprising the following complete including fixed in position, connect with electric supply complete all as specified and directed by EIC:- (a) Bus bar chamber having 4 Aluminium strip Bus bar having air insulated and PVC sheathed 200 A Capacity fixed in position with required nuts bolts and porceline insulator etc. (b) MCCB 415 V, 4 Pole, 50 Hz, 200 A, 25 KA breaking capacity adjustable type- 01 No I/C (c) MCCB 4 pole , 100 Amps, 16 KA , - 01 No (d) MCCB 4 pole , 63 Amps, 16 KA , - 02 No

Supply, install, connecting, testing and commissioning of cubicle compartmentalised Indoor type LT section pillar box, factory made, front and rear opening with locking arrangement, dust and vermin proof, CPRI approved, fabricated out of 2.25 mm thick CRCA sheet with canopy and base frame & mild steel angle iron stand, over all finished with epoxy powder coating, suitable for operation on 415 Volts, 50 Hz, AC supply, including earthing stud, labeling, etc. and section pillar box shall comprising the following complete including fixed in position, connect with electric supply complete all as specified and directed by EIC:- (a) Bus bar chamber having 4 copper strip Bus bar having air insulated and PVC sheathed 200 A Capacity fixed in position with required nuts bolts and porceline insulator etc. (b) MCCB 415 V, TPN, 50 Hz, 100 A, 25 KA breaking capacity adjustable type- 01 No I/C (c) MCCB 4 pole , 100 Amps, 16 KA , - 01 No (d) MCCB 4 pole , 63 Amps, 16 KA , - 03 No

Supply , Installation , testing and commissioning in replacement junction box cubical type factory made outdoor type of size 45CM x 30cm x 62 Cm dust and vermin proof, fabricated out of mild steel sheet not less than 3.15mm thick, complete with openable shutters in front and rear having proper locking arrangement including 04 Nos legs made out of angle iron of suitable size and height of each leg shall be grounted in PCC ( 1:2:4) type B-1 (using 20 mm graded stone aggregate) and aluminium bus bar of size 400 amps Capacity, three phase and neutral bus bar , making hot and cold dirinking holes to aluminium bus bar . Junction box shall be spray painted interanlly and externally with two coats of synthetic enamel paint over a priming coat of red oxide primer and connecting all incomming and outgoing cables with suitables size of aluminium lugs complete all as specified and as directed by Engr -in-Charge.

Earthing complete with galvanized steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 metres below normal ground level, connecting to the Galvanized iron strip 25 x 4 mm dia by means of bolts, nuts , check nuts and washers of galvanized iron and steel earth wire protected by provision of GI light grade pipe 32 mm bore including provision of concrete pit made from PCC ( 1:2:4) type B-1 (using 20 mm graded stone aggregate) with 40mm thick cover of RCC 1:2:4 reinforced with XPM (Weight not less than 4 Kg/Sqm) and frame of angle iron 40 x 40 x 6 mm and handle of 6 mm dia MS bar made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom, 1.50 metre long placed on top edge of earth plate, common salt & charcoal filling, with fixing arrangement , funnel, wire mesh and earth work in hard/dense soil , returning filling in and removal of surplus soil to a distance not exceeding 50 metres, all as per electrical plate No 5 of SSR 2009 Part-I and connecting to MCBDB’s earth test point all as specified or indicated including testing on completion .

Supply and fix ON LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 63 Amps complete all as specified.

Supply and fix OFF LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 125 Amps complete all as specified.

Supply and fix ON LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 160 Amps complete all as specified.

Supply and fix ON LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 200 Amps complete all as specified.

Supply and fix OFF LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 63 Amps complete all as specified.

THINLES OTZER

KONCHOK TSEWANG

M/S TRADE LINK

KAMLA CONSTRUCTION COMPANY

national engineering