REPAIR/ REPLACEMENT/ MAINTENANCE OF LT SYSTEM AND ALLIED WORKS AT AFS ARJAN SINGH UNDER GE (AF) PANAGARH

M & L for PCC 1:2:4 type C2 using 20mm graded for padestal coping incl necessary formwork finished fair using extra cement Complete all as specified and directed by Engineer-in-Charge

Excavation in trenches, n.exc 1.5m wide and n.exc 1.5m depth for foundation etc. or for shafts, wells, cesspits, manholes, pier holes, taking up/ laying of underground cable and getting out in any type of soil complete all as specified and as directed.

Returning, filling in trenches of any type of soil including spreading, leveling watering and well ramming in layers not exceeding 25 cm thick complete all as specified and as directed.

Removing of excavated soil not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point all as specified and directed.

Design, fabrication,supply, insallation, testing and commissioning LT panel board (outdoor type floor mounted)of size1200mm x 1200mm x 400mm suitable for working on 3 phase, 4 wire, 415 volts, AC, 50 Hz outdoor type, cubicle, floor mounted, free standing, dust and vermin proof, air ventilation, factory fabricated made out of 3.2mm thick CRCA sheet duly powder coated (seven tank process) and as approved by GE. The panel shall have front and rear opening, locking arrangement, bus bar chamber and switch gear compartment, hinged door with rubber gasket, botton cable entry holes for incoming and out going cables, earthing terminals, affix danger notice plate, aluminium bus bar duly covered with heat shrink sleeves colour coded duly fixed on DMC/SMC insulators, aluminium strip connection from bus bar to outgoing MCCBs and copper conductor cable of adequte size of MCBs, housed in a separate bus bar chamber and control wiring adequate size and length, MCCBs shall have extended bus bar links and panel mounted on 50x50x5mm size MS angle iron frame duly painted in and including PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) in foundation design subject to approval of GE as per as site requirement. Minimum claerance from ground level is 450 mm after disconnecting the electric connection and dismantling the existing old LT panel board of any size with all accessories complete all as specified and comprising :- (a) MCCB, 250 Amps, FP, 25 KA, 415 volts, 50 Hz - 01 No (in coming) (b) MCCB, 63 Amps, FP, 16 KA, 415 volts, 50 Hz - 04 Nos (outgoing) (c) MCCB, 100 Amps, FP, 16 KA, 415 volts, 50 Hz - 01 No (outgoing) (d) Digital multi-fuctional meters for measuring current, voltage and frequency including CTs of suitable rating and class- 01 No (as out going) (e) Digital voltmeter (0-500V) with CTs and VSS-01 set, Digital Ammeter (0-100A), with CTs & ASS-01 set (f) LED phase indication lamps RYB-01 set (g) Aluminium bus bar TPN 400 Amps rating - 01 set (Note: LT panel drawing to be approved by GE duly recommended by Engr-in-Charge). ( Make: C&S/ L&T/Legrand/Siemens/Schneider)

Design, fabrication,supply, insallation, testing and commissioning LT panel board (outdoor type floor mounted)of size1200mm x 1200mm x 400mm suitable for working on 3 phase, 4 wire, 415 volts, AC, 50 Hz outdoor type, cubicle, floor mounted, free standing, dust and vermin proof, air ventilation, factory fabricated made out of 3.2mm thick CRCA sheet duly powder coated (seven tank process) and as approved by GE. The panel shall have front and rear opening, locking arrangement, bus bar chamber and switch gear compartment, hinged door with rubber gasket, botton cable entry holes for incoming and out going cables, earthing terminals, affix danger notice plate, aluminium bus bar duly covered with heat shrink sleeves colour coded duly fixed on DMC/SMC insulators, aluminium strip connection from bus bar to outgoing MCCBs and copper conductor cable of adequte size of MCBs, housed in a separate bus bar chamber and control wiring adequate size and length, MCCBs shall have extended bus bar links and panel mounted on 50x50x5mm size MS angle iron frame duly painted in and including PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) in foundation design subject to approval of GE as per as site requirement. Minimum claerance from ground level is 450 mm after disconnecting the electric connection and dismantling the existing old LT panel board of any size with all accessories complete all as specified and comprising :- (a) MCCB, 250 Amps, FP, 25 KA, 415 volts, 50 Hz - 01 No (in coming) (b) MCCB, 63 Amps, FP, 16 KA, 415 volts, 50 Hz - 06 Nos (outgoing) (c) MCCB, 100 Amps, FP, 16 KA, 415 volts, 50 Hz - 01 No (outgoing) (d) Digital multi-fuctional meters for measuring current, voltage and frequency including CTs of suitable rating and class- 01 No (as out going) (e) Digital voltmeter (0-500V) with CTs and VSS-01 set, Digital Ammeter (0-100A), with CTs & ASS-01 set (f) LED phase indication lamps RYB-01 set (g) Aluminium bus bar TPN 400 Amps rating - 01 set (Note: LT panel drawing to be approved by GE duly recommended by Engr-in-Charge). ( Make: C&S/ L&T/Legrand/Siemens/Schneider)

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6mm thick burried directly in ground earth pit not less than 2.25m deep below ground level with top edge of the plate not less than 1.5m deep below normal ground level connected to and including 32/6mm thick galvanised iron strip as earthing lead by means of bolts, nuts, checknuts and washers of galvanised iron or steel all as specified in electrical plate No 3 of SSR (2009) part-I including 50mm bore GI pipe (light grade) for protection of earth strip and PCC (1:3:6) type C-1 as in pit, Precast RCC earth pit cover 8 cm thick reinforced with 8mm dia TMT bars @150mmc/c and two handles made out of 8mm dia round mild steel bar, excavation and earth work in any type of soil and alternate layers of charcoal, common salt and 20mm bore galvanised medium grade steel tubing for watering with one end fixed with cast iron funnel and wire mesh and testing on completion after dismantling of old unserviceable earthing with all material etc all as specified and directed. (Note:- (i) Earth strip and protection pipe upto board 7.5 m and others mentioned in above are included in this item (ii) The earthing pit shall be provide with proper earth pit and pit cover (iii) pit cover shall be painted with two coats of cement base paint of approved colour and pit number to be marked on a GI plate above 45 cm from GL as per colour code followed by AF authority (iv) Purchase voucher of GI plate and strip having GST number shall be provided before the payment claim (v) Earthing test certificate from users shall be provided before the payment claim)

Material and labour for Earthing complete with galvanized steel earth plate electrode 60cm x 60cm x 6.3 mm thick buried directly in ground( earth pit not less than 2.25 mtrs deep below normal ground level )with the top edges of plate not less than 1.5 mtrs below normal ground level connected to GI wire 4mm by means of GI nuts, bolts check nuts and washers earth lead protected by 15mm dia GI pipe light grade and connected to main distribution board/earthing test point all as shown in electrical plate No 3 of SSR part 1 and all as specified including taking down old unserviceable earthing and testing of earthing on completion. Notes:-The unit rate also including for excavation, earth work in any type of strata, plain cement concrete 1:3:6 mix, Type C1 pit, 40mm thick RCC 1:2:4 mix , type B1 cover reinforced with 8mm dia TMT bars @150mm C/C both ways ,GI funnel with GI watering pipe 20mm dia medium grade, wire mesh, protection pipe 15mm dia GI pipe light grade for earth lead upto 7.50m long complete all specified and directed. (Note:- (i) Earth wire and protection pipe upto board 7.5 m and others mentoned above are included in this item (ii) The earthing pit shall be provide with proper earth pit and pit cover (iii) pit cover shall be painted with two coats of cement base paint of approved colour and pit number to be marked on a GI plate above 45 cm from GL as per colour code followed by AF authority (iv) Purchase voucher of GI plate and strip having GST number shall be provided before the payment claim (v) Earthing test certificate from users shall be provided before the payment claim)

Supply,laying, jointing and testing, XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 120 sqmm 3.5 core laid in trenches/ on wall, ducts, pipes, on poles and connection with necessary cables lugs, glands, suitable for mild steel saddle clips (were cable laid in ceilings/wall without cable duct) nut bolts complete after taking down old unserviceable cable including bricks etc. all as specified and directed. (Note :-(a) Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE. (b) Original purchase voucher of the item shall be submitted by the contractor before taking any payment duly verified and defeced by the GE) .

Supply,laying, jointing and testing, XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 95 sqmm 3.5 core laid in trenches/ on wall, ducts, pipes, on poles and connection with necessary cables lugs, glands, suitable for mild steel saddle clips (were cable laid in ceilings/wall without cable duct) nut bolts complete after taking down old unserviceable cable including bricks etc. all as specified and directed. (Note :-(a) Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE. (b) Original purchase voucher of the item shall be submitted by the contractor before taking any payment duly verified and defeced by the GE)