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Special Repairs To Replacement Of Ber Dg Sets Of Capacities Of 70 Kva And 125 Kva At Signal Station Under Ge Shilong, SHILLONG-Meghalaya

Military Engineer Services-MES has published Special Repairs To Replacement Of Ber Dg Sets Of Capacities Of 70 Kva And 125 Kva At Signal Station Under Ge Shilong. Submission Date for this Tender is 22-02-2021. Diesel Generators Tenders in SHILLONG Meghalaya. Bidders can get complete Tender details and download the document.




Tender Notice

26733456
Corrigendum : Special Repairs To Replacement Of Ber Dg Sets Of Capacities Of 70 Kva And 125 Kva At Signal Station Under Ge Shilong
National Competitive Bid
Indian
Meghalaya
SHILLONG
22-02-2021

Tender Details

Special Repairs To Replacement Of Ber Dg Sets Of Capacities Of 70 Kva And 125 Kva At Signal Station Under Ge Shilong

Corrigendum Details

Sr No CorrigendumDate Corrignedum CorrigendumType NewSubmissionDate
1 15-Feb-2021 Bid Auto Extn Corrigendum Bid Auto Extn Corrigendum 22-02-2021

Key Value

Document Fees
INR 500 /-
EMD
INR 40000.0 /-
Tender Value
INR 20 Lakhs /-

BOQ Items

Name of Work: SPECIAL REPAIRS TO REPLACEMENT OF BER DG SETS OF CAPACITIES OF 70 KVA AND 125 KVA AT SIGNAL STATION UNDER GE SHILLONG
Sl. No. Item Description Item Code / Make Quantity Units
1 1 Supply, install, testing and commissioning of Silent Diesel engine driven generating set 415 Volts 3 phase 4 wire engine as per BS 5514/ IS 10002 and alternator as per IS : 13364 complete with relay panel for automatic starting on mains failure, control panel having meters, sound proof canopy and foundation etc for capacity not less than 70 KVA as per ISO - 8528 conforming to the detailed specification as under.\na) Engine : The Diesel Engine shall be radiator water cooled, 109 BHP at 1500 RPM, Cylinder 6 Nos. Starting stopping : Electrical start with 12 V DC 1 x 90 AH, 12 V Exide / Prestolite Low Maintenance Battery,Electronic governer. The fuel tank provided shall be suitably mounted on the base frame fabricated out of 16 SWG MS sheets and capacity to run the genset for 10 to 12 hours continuously on full load. Fuel tank shall have Drain plug, Hand hole for cleaning, vent breather, fuel suction and return connections, fuel level indicator fuel filling neck with cap etc as per the standards. The engine and alternator shall be directly coupled to ensure perfect alignment. The engine and alternator shall be mounted on a common base frame with AVM pads all as per manufacturer CUMMINS / KIRLOSKAR GREEN/ GREAVES COTTON /Ashok Leyland. (b) Alternator : Rating not less than 70 KVA or 66 KW at 1500 RPM 415 V Phase to Phase and 240 Volt Phase to Neutral, 50 Hz 3 Phase 4 wire system alternator Screen protected / drip proof, self ventilating, self excited, self regulated, brushless, continuously protection IP 21 as per IS 13364 developing 82.5 KVA at 0.8 PF. It shall have provision for 10% overload for one hour on every 12 hours, The alternator shall confirm to IS : 13364/BS5000 Make : KIRLOSKAR / CROMPTON GREAVES, Siemens, Bharat Bijlee/Alstom. (c) Controls/Protection : (i) Low LOP fault indication (ii) Indication for Water Temperature, (iii) High Coolant Temperature fault Indication, (iv) Failure to start fault indication (v) Battery Voltage monitoring, (vi) Low Battery Indication, (vii) Fuel level Indication, (viii) Engine RPM meter, (ix) Engine run hours meter, (x) Voltage for all three Phases, (xi) Ampere meter for measuring current in all three phase. (xii) Frequency meter indication, (xiii) Protection for Over/Under Voltage (xiv) Electronic tamper proof KWH meter 3 phase, 4 wire system with suitable ratio CTs. (xv) Overload protection (xvi) Suitable capacity of Battery charger shall be provided in the control panel to charge the batteries when mains supply in available. When the Gen set is running the battery will be charged from the charging alternator. 1 Each Job
2 1.01 (d) Acoustic enclosure : (i) Shall be meticulously designed CNC Turret punch press and hydraulic press brake manufactured body out of corrosion resistant cold rolled steel 16 SWG CRCA / MS sheet duly surface treated phosphated and finally powder coated constructed from folded sections to ensure rigidness and aesthetic in looks. Canopy panel and doors shall have High density/ fire retardant / non igniting and noise reduction type Foam or Resin bonded Rock wool of suitable density properly covered with fibre cloth / tissue and perforated fixed to absorb noise. The average sound level when measured in Greenfield (ISO 8525 Part 10) at 1 meter distance from all four sides shall be less than 75 dB (A) average as per CPCB Norms The average stabilised hot air temperature rise with the canopy near suction air filter to be maintained 7 degree centigrade over and above the ambient temperature. Four hinged doors shall be provided to canopy one door shall have glass window for control panel. The exhaust gasses shall be taken out through a suitable flexible pipe to prevent any back pressure on the engine. Provision shall be made on the canopy for connecting the output cable termination. (ii) The exhaust system and noise suppressor shall be provided with thermal insulation, to prevent excess heat radiation on the Engine and safe for operator. (iii) Absorption type non residential silencer insulated from inside with glass wool shall be provided to suppress exhaust noise from the Engine. (iv) A suitably designed draught ventilation system is to be incorporated. Make: Kirlosker green / Jackson / Powerwool. (e) DG power Control Panel : (i) Shall be outdoor type sheet steel type cubicle type control panel ,floor standing, dust and vermin proof under normal conditions complete with all internal wiring & will house the following:- (a) AC voltmeter (b) AC ammeter (c) vibrating reed Frequency meter (d) Indicating Lamps for SET ON & LOAD ON (e)MCCB for short circuit & Overload Protection (f) Aluminium Bus bars of adequate rating (g) Provision for bottom entry & Exit of power cabling (g)set of current transformer (h) set of control fuses
3 2 Supply, install, testing and commissioning of Silent Diesel engine driven generating set 415 Volts 3 phase 4 wire engine as per BS 5514/ IS 10002 and alternator as per IS : 13364 complete with relay panel for automatic starting on mains failure, control panel having meters, sound proof canopy and foundation etc for capacity 125 KVA as per ISO - 8528 conforming to the detailed specification as under.\na) Engine : The Diesel Engine shall be radiator water cooled, 154 BHP at 1500 RPM, Cylinder 6 Nos. Starting stopping : Electrical start with 12 V DC 1 x 90 AH, 12 V Exide / Prestolite Low Maintenance Battery,Electronic governer. The fuel tank provided shall be suitably mounted on the base frame fabricated out of 16 SWG MS sheets and capacity to run the genset for 10 to 12 hours continuously on full load. Fuel tank shall have Drain plug, Hand hole for cleaning, vent breather, fuel suction and return connections, fuel level indicator fuel filling neck with cap etc as per the standards. The engine and alternator shall be directly coupled to ensure perfect alignment. The engine and alternator shall be mounted on a common base frame with AVM pads all as per manufacturer CUMMINS / KIRLOSKAR GREEN/ GREAVES COTTON /Ashok Leyland. (b) Alternator : Rating not less than 100KW or 125 KVA at 1500 RPM 415 V Phase to Phase and 240 Volt Phase to Neutral, 50 Hz 3 Phase 4 wire system alternator Screen protected / drip proof, self ventilating, self excited, self regulated, brushless, continuously protection IP 21 as per IS 13364 developing 125 KVA at 0.8 PF. It shall have provision for 10% overload for one hour on every 12 hours, The alternator shall confirm to IS : 13364/BS5000 Make : KIRLOSKAR / CROMPTON GREAVES, Siemens, Bharat Bijlee/Alstom. (c) Controls/Protection : (i) Low LOP fault indication (ii) Indication for Water Temperature, (iii) High Coolant Temperature fault Indication, (iv) Failure to start fault indication (v) Battery Voltage monitoring, (vi) Low Battery Indication, (vii) Fuel level Indication, (viii) Engine RPM meter, (ix) Engine run hours meter, (x) Voltage for all three Phases, (xi) Ampere meter for measuring current in all three phase. (xii) Frequency meter indication, (xiii) Protection for Over/Under Voltage (xiv) Electronic tamper proof KWH meter 3 phase, 4 wire system with suitable ratio CTs. (xv) Overload protection (xvi) Suitable capacity of Battery charger shall be provided in the control panel to charge the batteries when mains supply in available. When the Gen set is running the battery will be charged from the charging alternator. 1 Each Job
4 2.01 (d) Acoustic enclosure : (i) Shall be meticulously designed CNC Turret punch press and hydraulic press brake manufactured body out of corrosion resistant cold rolled steel 16 SWG CRCA / MS sheet duly surface treated phosphated and finally powder coated constructed from folded sections to ensure rigidness and aesthetic in looks. Canopy panel and doors shall have High density/ fire retardant / non igniting and noise reduction type Foam or Resin bonded Rock wool of suitable density properly covered with fibre cloth / tissue and perforated fixed to absorb noise. The average sound level when measured in Greenfield (ISO 8525 Part 10) at 1 meter distance from all four sides shall be less than 75 dB (A) average as per CPCB Norms The average stabilised hot air temperature rise with the canopy near suction air filter to be maintained 7 degree centigrade over and above the ambient temperature. Four hinged doors shall be provided to canopy one door shall have glass window for control panel. The exhaust gasses shall be taken out through a suitable flexible pipe to prevent any back pressure on the engine. Provision shall be made on the canopy for connecting the output cable termination. (ii) The exhaust system and noise suppressor shall be provided with thermal insulation, to prevent excess heat radiation on the Engine and safe for operator. (iii) Absorption type non residential silencer insulated from inside with glass wool shall be provided to suppress exhaust noise from the Engine. (iv) A suitably designed draught ventilation system is to be incorporated. Make: Kirlosker green / Jackson / Powerwool. (e) DG power Control Panel : (i) Shall be outdoor type sheet steel type cubicle type control panel ,floor standing, dust and vermin proof under normal conditions complete with all internal wiring & will house the following:- (a) AC voltmeter (b) AC ammeter (c) vibrating reed Frequency meter (d) Indicating Lamps for SET ON & LOAD ON (e)MCCB for short circuit & Overload Protection (f) Aluminium Bus bars of adequate rating (g) Provision for bottom entry & Exit of power cabling (g)set of current transformer (h) set of control fuses
5 3 S&F changeover switch 250 Amps, in sheet steel enclosure, 4 pole, side halde operated complete including taking down old unserviceable one. Make: L&T Cat Part no CO32500OSOO or equivalent model from Make: Schneider / Siemens 1 Each
6 4 S&F changeover switch 160 Amps, in sheet steel enclosure, 4 pole, side halde operated complete including taking down old unserviceable one. Make: L&T Cat Part no CO16000OSOO or equivalent model from Make: Schneider / Siemens 1 Each
7 5 Shifting of Old BER DG Set 70 KVA 9 KVA Sub Station after disconnecting from foundation and deposit to AGE E/M Store of GE Shillong all as per specified and directed. 1 Each Job
8 6 Shifting of Old BER DG Set 125 KVA 9 KVA Sub Station after disconnecting from foundation and deposit to AGE E/M Store of GE Shillong all as per specified and directed. 1 Each Job
9 7 Material and Labour for PCC type D2 (1:4:8, using 40mm graded crushed stone aggregates), 150mm thick as in sub base complete all as specified and as directed. 20 Sqm
10 8 Material and Labour for PCC 40mm thick PCC (1:2:4) type B1 (using 20mm graded crushed stone aggregates) as in floor and finishing cement concrete surface even and smooth with using extra cement complete all as specified and directed. 17 Sqm
11 9 S&F MCCB, 3 pole, 415 volts, 160 Amps, 36 KA breaking capacity with thermal and magnetic release including taking down of old unserviceable one. Make: L&T Cat Part No CM92008OOM1OG or equivalent model from Make: Legrand / Schneider 1 Each
12 10 S&F MCCB, 3 pole, 415 volts, 250 Amps, 36 KA breaking capacity with thermal and magnetic release including taking down of old unserviceable one. Make: L&T Cat Part No CM92065OOPO or equivalent model from Make: Legrand / Schneider 1 Each
13 11 Supply, laying connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty) with stranded aluminium conductor, 1100 Volts grade, cross sectional area 70 Sqmm, 3.5 core laid through duct/ pipe / in trench etc. including cable glands & lugs including taking down old one complete all as specified and directed. 60 RM
14 12 Supply, laying connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty) with stranded aluminium conductor, 1100 Volts grade, cross sectional area 120 Sqmm, 3.5 core laid through duct/ pipe / in trench etc. including cable glands & lugs including taking down old one complete all as specified and directed. 60 RM
15 13 Excavation in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m depth and getting out in hard/ dense soil for foundation etc complete all as specified and as directed. 14 CUM
16 14 Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 Cm thick as in soft/loose soil etc complete all as specified and directed. 8 CUM
17 15 Removing excavated materials (soil) to a 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 as directed. 5 CUM
18 16 M & L for sand cushioning to underground cable for protection with fine river sand over, under ground UG cable laid in treanches and gently punned to cushioning to cable complete all as specified and directed.\n 5.5 CUM
19 17 Supply and lay sub class 'B' well burnt brick, laid flat in trenches above sand cushioning as protection of LT XLPE cable etc complete all as specified and as directed. 0.57 PER 1000
20 18 Supply and Fixing GI Tubing light grade under road, on pole floor and on wall for cable protection of 50mm dia bore including taking down old one complete all as specified and directed. 12 RM
21 19 M&L for earthing complete with galvanized steel earth plate electrode size 600 mm x 600 mm x 6.3 mm thick buried directly in ground vertically in a pit of depth not less than 2.25 mtr below ground levels with top edge of the earth plate not less than 1.5 mtr below normal ground level surrounded from all sides by mixture of charcoal and common salt and electrode connected to and including galvanized strip 32mm x 6mm by means of bolts, nuts, check nuts and washers of galvanized including GI protection pipe medium grade 40mm dia connected to main earth wire on pole or control board and GI pipe medium grade 20 mm dia bore for watering funnel with wire mesh. RCC cover with frame, PCC chamber pit with PCC 1:3:6 type C-2 including excavation and earth work all as shown in electrical plate No 3 connected to earthing test point all as specified or indicated including testing on completion all as specified and directed. 12 EACH SET
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