SPL REPAIR/REPLACEMENT OF EXISTING OF OLD UNSV DG SETS (1 X 110 KVA AT MES MAIN PUMP HOUSE AND 1 X 30 KVA AT 102 AP WITH NEW DG SETS OF CAPACITY 125 KVA AND 30 KVA RESPECTIVELY) AT SUNDERBANI UNDER GE(N) AKHNOOR

Amount

Supply , install, commissioning & testing of Diesel Engine driven generating set complete with acoustic enclosure, antivibration pads with 75d noise level at 1 mtr distance from DG set and control system for 125 KVA/100KW output at NTP, AC 415 volts, 50 Hz, 3 phase 4 wire directly coupled complete with self starter system including accessories equipment control panel etc as detailed below:-

(a) Alternator 125KVA/100KW output at 0.8 PF , AC 3 phase, 4 wire, 415 Volt, 50 Hz, slelf excited self regulated through as AVR, screen protected drip proof type with two end sheild ball/roller bearing with damper winding in each pole faces as per latest BS/IS specification, complete all as specified and directed.

(b) Prime Mover - shall be coolant cooled cool and electric start diesel engine of suitable capacity for driving alternator of cap 125 KVA/100 KW, 50 Hz indepdently at 0.8 PF 3 phase, 4 wire AC 400/440 volt under NTP at MSL conditions , coupled directly through flexible coupling, multi cylinder, cold starting 1500 rpm industrial type as per BS 649 or IS-1601 with governor suitable to regulate speed of DG set from no load to full load complete with fuel tank of cap as per manufacturer recommendations, fuel lines, exhaust pipe exterded upto and outside nuilding duly insulated with asbestos rope and with support and silencer muffles etc. for contiuous operation and standard accessories , sump preheaters, fuel tank of capacity for 12 hours running of DG Sets with stop cock, drain plug and necessary fuel pipe, manufacture out of 2 mm thick MS sheet etc. all as specified and directed.

(d) Electric starter equipment :- The equipment with comprise the following :- (i) One No maint free battery duly initial chrged as recommended by manufacture & battery lead of adequate capacity. (ii) Starter motor (iii) starter gearing (iv) Start/stop push button (v) Alternator/Dynamo of suitable capacity to charge the batteries while DG sets is running complete with auto cut all as per manufactore recommendations. (vi) PCC foundation for DG set all as per manufacture recommendation or required at site or directed by Engineer in charge. DG set acoustic canopy shall be from OEM or make as per CA.

(e) Auto mains failure panel 415 volts 50 Hz suitable for 125 KVA Gen set, made out of 16 gausge MS sheet cubical type floor mounted front and rear door open able with locking arrangement duly powder coated suitable for and including the following :-

Note : (a) The AMF panel shall be integrated with respective LT disritubtion panel and all electrical connections done using copper bus bars PVC sleeved of appropriate rating but not less than as of LT panel. (b) The testing of DG set for continuous 12 hrs running shall be carried by officer detailed by accepting office before issuing completion certificte to contractor. On load testing eqpt including diesel for continuus testing for 12 hours or above till full testing (satifaction or directed by Engr in Charge will be arrnaged by the contractor.

Supply , install, commissioning & testing of Diesel Engine driven generating set complete with acoustic enclosure, antivibration pads with 75d noise level at 1 mtr distance from DG set and control system for 30 KVA/24 KW output at NTP , AC 415 volts, 50 Hz, 3 phase 4 wire directly coupled complete with self starter system including accessories equipment control panel etc as detailed below:-

(a) Alternator 30KVA/24 KW output at 0.8 PF , AC 3 phase, 4 wire, 415 Volt, 50 Hz, slelf excited self regulated through as AVR, screen protected drip proof type with two end sheild ball/roller bearing with damper winding in each pole faces as per latest BS/IS specification, complete all as specified and directed.

(b) Prime Mover - shall be coolant cooled cool and electric start diesel engine of suitable capacity for driving alternator of cap 30 KVA/24 KW, 50 Hz indepdently at 0.8 PF 3 phase, 4 wire AC 400/440 volt under NTP at MSL conditions , coupled directly through flexible coupling, multi cylinder, cold starting 1500 rpm industrial type as per BS 649 or IS-1601 with governor suitable to regulate speed of DG set from no load to full load complete with fuel tank of cap as per manufacturer recommendations, fuel lines, exhaust pipe exterded upto and outside nuilding duly insulated with asbestos rope and with support and silencer muffles etc. for contiuous operation and standard accessories , sump preheaters, fuel tank of capacity for 12 hours running of DG Sets with stop cock, drain plug and necessary fuel pipe, manufacture out of 2 mm thick MS sheet etc. all as specified and directed.

(d) Electric starter equipment :- The equipment with comprise the following :- (i) One No maint free battery duly initial chrged as recommended by manufacture & battery lead of adequate capacity. (ii) Starter motor (iii) starter gearing (iv) Start/stop push button (v) Alternator/Dynamo of suitable capacity to charge the batteries while DG sets is running complete with auto cut all as per manufactore recommendations. (vi) PCC foundation for DG set all as per manufacture recommendation or required at site or directed by Engineer in charge. DG set acoustic canopy shall be from OEM or make as per CA.

(e) Auto mains failure panel 415 volts 50 Hz suitable for 30 KVA Gen set, made out of 16 gausge MS sheet cubical type floor mounted front and rear door open able with locking arrangement duly powder coated suitable for and including the following :-

Note : (a) The AMF panel shall be integrated with respective LT disritubtion panel and all electrical connections done using copper bus bars PVC sleeved of appropriate rating but not less than as of LT panel. (b) The testing of DG set for continuous 12 hrs running shall be carried by officer detailed by accepting office before issuing completion certificte to contractor. On load testing eqpt including diesel for continuus testing for 12 hours or above till full testing (satifaction or directed by Engr in Charge will be arrnaged by the contractor.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 150 sq mm 3.5 core.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 35 sq mm 3.5 core.

Earthing complete with galvanised earth plate electrode of size 600 x 600 x 6 mm thick burried 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 mtr below normal ground level connected to galvanised strip 32 x 6 mm by means of nut, bolts, check nuts and washer of galvanised iron all as shown in electrical plate No 3 , connected to earth test point all as specified on indicated including PCC pit in PCC (1:3:6) type C1 cast iron /MS frame, 50 mm thick pre cast RCC (1:1/2:3) nominal mixed cover slab reinforced with 8 mm dia mild steel deformed bar 15 C/C and suitable for handle of cast RCC(1:1/2:3) nominal mixed cover slab reinforced with 8 mm dia mild steel deformed bar 15 C/C and suitable for handle of 10 mm round bar , funnel with wire mesh inclduing GI tube 15 mm dia for watering , copper lugs etc. GI protection pipe of size 40 mm bore dia including necessary excavation, earth work in soft/loose soil and disposal of soil to a distance n. exc 50 m and inclduing testing, complete all as specified & directed.

GI pipe light grade for protection of UG cable under road on pole under floor etc of size 80 mm bore, complete all as specified and directed. Note :- Nuts bolts, clamp for fixing of GI pipe to be measured and paid separately.

GI pipe light grade for protection of UG cable under road on pole under floor etc of size 40 mm bore, complete all as specified and directed. Note :- Nuts bolts, clamp for fixing of GI pipe to be measured and paid separately.

Earth continuity conductor fixed to wall on batten or receee or chases or buried in ground or drawn in conduit/pipe or fixed to pole or any other indicated situation for loop earthing etc.for 32 x 6 mm galvanised strip, complete all as specified and directed.

Excavation in tranches not exceeding 1.5 m wide and not exceeding 1.5 m deep for foundation of laying cable including getting out in soft/loose soil, complete all as specified and directed.

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

Removing surplus soil to distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point, complete all as specified and directed.

Sand cashioning to under ground cable with dry fine sand in trenches in layers of 8 cm thick before laying the cable and 15 cm thick above the cable after laying and stretch the cable, complete all as specified and directed. (compacted thickness will be measured)

Supply and laying sub class 'B' common burnt bricks , old size, laid dry, flat transversely along the length of cable with width equal to length of brick & with gaps between the adjucent bricks not exceeding 10 mm as cover laid over the cable to give mechanical protection to under ground cable, complete all as specified and directed.

Jiwan Singh

M P TYAGI ENGINEERS AND CONTRACTORS

M/S THAPPA TRADERS