REPLACEMENT OF BER DG SET/CHLORINATION PLANT AND ELECTRIC PANELS AT WATER SUPPLY INSTALLATIONS UNDER GE DEHRADUN

Amount

Supply, installation, testing and commissioning of Silent diesel (Acoustic Enclosure as per CPCB IV norms) engine driven water cooled radiator type generating set 250KVA/200KW,0.8 pf lagging,1500 RPM, 415 Volt, 3 Phase, 4 wire directly coupled to diesel engine, mounted on common base frame, AVM pads vibration damper with factory made AMF panel suitable for 250 KVA DG set along with connected accessories, relays, engine as per CPCB IV norms of capacity not less than 303.40 BHP and alternator of 250 KVA rating as per IS 4722 generator set complete with relay panel for automatic starting on main electric supply failure, control panel having meters, sound proof canopy with AVR control excitation, power factor 0.8 with suitable rated batteries. Acoustic enclosure fabricated out of 1.6mm CRCA steel after nine tank process, surface pre treated with foam materials, conforming to IS7888/IS8183 and pure polyester powder coating complete as per CPCB IV norms, sound level 75dB (A) at one meter from enclosure surface in free field condition as per latest norms suitable for using with AMF system and foundation etc complete all as specified and directed by Eng-in-charge and comprising of the following. DG Set shall be capable and including the following :-

(A) PRIME MOVER :- Diesel engine of suitable capacity water cooled (Radiator mounted) closed circuit as per CPCB IV norms, IS-10000/10001 direct injection type with turbo charger. The diesel engine shall be capable of running 24 hour continuously with 10 % over loading for one hour in every 12 hours as per BS 5514/- BS 649/- Engine shall be equipped with all standard fittings as per manufactures recommendations mounted on common base plat form through flexible coupling. The engine shall be fitted with electronic governor suitable for class D-1 as per IS 10000 and the engine shall be fitted with a heavy dynamically balanced fly wheel suitable for constant speed governor duty and having anti vibration pads of required numbers.

(B) ALTERNATOR :- Alternator of capacity 250KVA/200 KW at NTP, 415 volts, 50 C/S, 1500 RPM, 0.8 power factor, self excited, self regulated, screen protected with self excited field brush rotating fixed designed to be coupled with above engine through flexible coupling and shall be complete with the excitation system, automatic voltage regulation under / over speed protection. The alternator shall be confirmed to 4722 of BS -2613 .

(C) AMF PANEL ( CONTROL PANEL) :- Automatic Mains Failure (AMF) Control Panel, factory made shall be able to start up the DG set and transfer the load on to the DG set on mains failure without requiring any human intervention. Similarly on restoration of mains supply, it shall be able to transfer the load to mains supply and switch off the DG set automatically. (ii) The AMF panel shall be an enclosure with IP-53 degree of protection confirming to IS/IEC 0947 (Pt-1)/2007, fabricated from minimum 14 SWG thick CRCA sheet duly pre-treated and aesthetically finished. AMF/ control panel having internal wiring with copper conductor for 250 KVA, 415 Volts, 3 phase 4 wire with two coats of synthetic enamel paint over a coat of red oxide primer. The AMF Control Panel shall have the following instruments:

(a) Microprocessor based relay with composite meter for digital display of :- (i) Generator Voltage/AC Mains Voltage. (ii) Generator Current. (iii) Power Factor (iv) Frequency. (v) Energy. (vi) Three attempts Engine Start/Engine Cranking Relay. (vii) On -delay timer for Load Change Over. (viii) On-delay timer for Engine Shut Off. (ix) Over Current Relay (x) Engine RPM (xi) Engine / water temp (xii) Oil pressure (xiii) Engine hrs run (xiv) KW and KWH (xv) Battery charging current and voltage (xvi) Fuel level in tank (xvii) Fuel consumption during run.

(c) Engine On-Off switch (Push Button type).

(d) 3 Nos of 4 pole MCCB (One for DG Set, one for AC Mains & one for load output) of suitable rating shall be provided.

(e) Rectangular Copper bus bars (One number for each Phase, Neutral and Earth terminals) of adequate ratings duly color coded with heat shrinkable PVC sleeves.

(f) 2 Nos contactors of suitable rating (One for DG Set & one for AC Mains) with Over Load Relay.

(g) Under-Voltage Relay for Mains.

(h) Potential free contacts for extension of alarms - 6 Nos

(i) Instruments & Control Fuses.

(j) Five numbers indicating lamps to indicate 'Mains On', 'Load On Mains', 'Set Running', 'Load On Set' & 'Battery Charger On'.

(k) Set of indicating Lamps for 3 phase (RYB)-01Nos

(l) sleep mode

(n) Any other switches, instruments, relays or contactors etc. essential for smooth and trouble free functioning of DG set with AMF panel. Note : Drg of AMF panel shall be approved by GE before procurement of DG Set.

The following alarms, tripping and indications are to be made available in Control panel through LED display :- (i) Over load, (ii) High temperature (iii) Over / under frequency (iv) Over / under volt (v) Battery voltage low (vi) High oil pressure (vii) Low oil pressure (viii) Low fuel level (ix) Earth leakage (x) High temp inside enclosure. (xi) Mains fail (xii) Vver speed (xiii) Under speed (xiv) DG fail to start (xv) DG fail to stop (xvi) Fire alarm

(D) OTHER FITTINGS :- (i) 12 volt batteries suitable nos and suitable capacity as per manufacturer design with battery leads (copper stranded cable) of suitable size with brass thimbles and terminals. (ii) Fuel tank of suitable capacity as per manufacturer recommendation but not less than 8 hrs run at average 80% load. Fuel tank mounted / fixed inside acoustic enclosure with connected pipes up to fuel pump and over flow pipe from engine to tank including level indicating gauge duly marked and drain valve and air vent plug etc.

(E) DG set shall be supplied along with acoustic original enclosure of the manufacturer's suitable for 250 KVA DG Set as per CPCB IV Norms. Two point lifting for easy handling at site. The acoustic enclosure be designed on modular construction, having surface treatment and shall have powder coated finish. The acoustic insulation should be high quality, high density capable of withstanding a temp of 450 degree C. The enclosure should be suitable for tropical climate. Acoustic enclosure shall be specified as per PS. DG Set shall be obtained conformity of production (COP) verification certificates for Noise Limits and certified by ARAI or equivalent.

(F) Foundation :- PCC foundation for DG Set shall be all as per manufacturer's instructions/recommendations or required at site or as directed by Engineer-in - Charge. Cost of the same shall be deemed to be included in the lump sum cost of DG set quoted by contractor . Note:- The engine shall be affixed with label meet on the following requirements ( The label shall be durable and legible ) :-(1) Name and address of the engine manufacturer. (2) Statement that the engine conforms to environment (protection ) Rule 1986.(3) Type approval certificate number. (4) Date of manufacture engine. (5) The complete generating set inclusive control panel base frame coupling etc shall be from the Engine & shall be assembled & tested at engine manufacturer's workshop and test certificate shall be provided by contractor.

Note:- Rate for Supply, laying of PVC insulated multi stranded copper conductor single core cable of suitable size from DG Set panel to existing main supply cable up to AMF required for connection including thimble , flexible conduit pipe shall be included in the quoted rate of this item. Installation of 250 KVA DG set shall be inside existing DG Set Room. Contractor shall be responsible to installation of DG Set inside existing DG Set Room without any extra cost and required necessary arrangements for the same deemed to be included in quoted rate.

Supply, installation, testing and commissioning of Silent diesel (Acoustic Enclosure as per CPCB IV norms) engine driven water cooled radiator type generating set 57KVA/45.6KW,0.8 pf lagging,1500 RPM, 415 Volt, 3 Phase, 4 wire directly coupled to diesel engine, mounted on common base frame, AVM pads vibration damper with factory made AMF panel suitable for 57 KVA DG set along with connected accessories, relays, engine as per CPCB IV norms of capacity not less than 74.0 BHP and alternator of 57 KVA rating as per IS 4722 generator set complete with relay panel for automatic starting on main electric supply failure, control panel having meters, sound proof canopy with AVR control excitation, power factor 0.8 with suitable rated batteries. Acoustic enclosure fabricated out of 1.6mm CRCA steel after nine tank process, surface pre treated with foam materials, conforming to IS7888/IS8183 and pure polyester powder coating complete as per CPCB IV norms, sound level 75dB (A) at one meter from enclosure surface in free field condition as per latest norms suitable for using with AMF system and foundation etc complete all as specified and directed by Eng-in-charge and comprising of the following. DG Set shall be capable and including the following :-

(A) PRIME MOVER :- Diesel engine of suitable capacity water cooled (Radiator mounted) closed circuit as per CPCB IV norms, IS-10000/10001 direct injection type with turbo charger. The diesel engine shall be capable of running 24 hour continuously with 10 % over loading for one hour in every 12 hours as per BS 5514/- BS 649/- Engine shall be equipped with all standard fittings as per manufactures recommendations mounted on common base platform through flexible coupling. The engine shall be fitted with electronic governor suitable for class D-1 as per IS 10000 and the engine shall be fitted with a heavy dynamically balanced fly wheel suitable for constant speed governor duty and having anti vibration pads of required numbers.

(B) ALTERNATOR :- Alternator of capacity 57 KVA at NTP, 415 volts, 50 C/S, 1500 RPM, 0.8 power factor, self excited, self regulated, screen protected with self excited field brush rotating fixed designed to be coupled with above engine through flexible coupling and shall be complete with the excitation system, automatic voltage regulation under / over speed protection. The alternator shall be confirmed to 4722 of BS -2613 .

(C) AMF PANEL ( CONTROL PANEL) :- Automatic Mains Failure (AMF) Control Panel, factory made shall be able to start up the DG set and transfer the load on to the DG set on mains failure without requiring any human intervention. Similarly on restoration of mains supply, it shall be able to transfer the load to mains supply and switch off the DG set automatically. (ii) The AMF panel shall be an enclosure with IP-53 degree of protection confirming to IS/IEC 0947 (Pt-1)/2007, fabricated from minimum 14 SWG thick CRCA sheet duly pre-treated and aesthetically finished. AMF/ control panel having internal wiring with copper conductor for 57 KVA, 415 Volts, 3 phase 4 wire with two coats of synthetic enamel paint over a coat of red oxide primer. The AMF Control Panel shall have the following instruments:

(a) Microprocessor based relay with composite meter for digital display of :- (i) Generator Voltage/AC Mains Voltage. (ii) Generator Current. (iii) Power Factor (iv) Frequency. (v) Energy. (vi) Three attempts Engine Start/Engine Cranking Relay. (vii) On -delay timer for Load Change Over. (viii) On-delay timer for Engine Shut Off. (ix) Over Current Relay (x) Engine RPM (xi) Engine / water temp (xii) Oil pressure (xiii) Engine hrs run (xiv) KW and KWH (xv) Battery charging current and voltage (xvi) Fuel level in tank (xvii) Fuel consumption during run

(c) Engine On-Off switch (Push Button type).

(d) 3 Nos of 4 pole MCCB (One for DG Set, one for AC Mains & one for load output) of suitable rating shall be provided.

(e) Rectangular Copper bus bars (One number for each Phase, Neutral and Earth terminals) of adequate ratings duly color coded with heat shrinkable PVC sleeves.

(f) 2 Nos contactors of suitable rating (One for DG Set & one for AC Mains) with Over Load Relay.

(g) Under-Voltage Relay for Mains.

(h) Potential free contacts for extension of alarms - 6 Nos

(i) Instruments & Control Fuses.

(j) Five numbers indicating lamps to indicate 'Mains On', 'Load On Mains', 'Set Running', 'Load On Set' & 'Battery Charger On'.

(k) Set of indicating Lamps for 3 phase (RYB)-01Nos

(l) sleep mode

(n) Any other switches, instruments, relays or contactors etc. essential for smooth and trouble free functioning of DG set with AMF panel. Note : Drg of AMF panel shall be approved by GE before procurement of DG Set.

The following alarms, tripping and indications are to be made available in Control panel through LED display :- (i) Over load, (ii) High temperature (iii) Over / under frequency (iv) Over / under volt (v) Battery voltage low (vi) High oil pressure (vii) Low oil pressure (viii) Low fuel level (ix) Earth leakage (x) High temp inside enclosure. (xi) Mains fail (xii) Vver speed (xiii) Under speed (xiv) DG fail to start (xv) DG fail to stop (xvi) Fire alarm

(D) OTHER FITTINGS :- (i) 12 volt batteries suitable nos and suitable capacity as per manufacturer design with battery leads (copper stranded cable) of suitable size with brass thimbles and terminals. (ii) Fuel tank of suitable capacity as per manufacturer recommendation but not less than 8 hrs run at average 80% load. Fuel tank mounted / fixed inside acoustic enclosure with connected pipes upto fuel pump and over flow pipe from engine to tank including level indicating gauge duly marked and drain valve and air vent plug etc.

(E) DG set shall be supplied along with acoustic original enclosure of the manufacturer's suitable for 57 KVA DG Set as per CPCB IV Norms. Two point lifting for easy handling at site. The acoustic enclosure be designed on modular construction, having surface treatment and shall have powder coated finish. The acoustic insulation should be high quality, high density capable of withstanding a temp of 450 degree C. The enclosure should be suitable for tropical climate. Acoustic enclosure shall be specified as per PS. DG Set shall be obtained conformity of production (COP) verification certificates for Noise Limits and certified by ARAI or equivalent.

(F) Foundation :- PCC foundation for DG Set shall be all as per manufacturer's instructions/recommendations or required at site or as directed by Engineer-in - Charge. Cost of the same shall be deemed to be included in the lump sum cost of DG set quoted by contractor . Note:- The engine shall be affixed with label meet on the following requirements ( The label shall be durable and legible ) :-(1) Name and address of the engine manufacturer. (2) Statement that the engine conforms to environment (protection ) Rule 1986.(3) Type approval certificate number. (4) Date of manufacture engine. (5) The complete generating set inclusive control panel base frame coupling etc shall be from the Engine & shall be assembled & tested at engine manufacturer's workshop and test certificate shall be provided by contractor.

Note:- Rate for Supply, laying of PVC insulated multi stranded copper conductor single core cable of suitable size from DG Set panel to existing main supply cable up to AMF required for connection including thimble , flexible conduit pipe shall be included in the quoted rate of this item. Installation of 57 KVA DG set shall be inside existing DG Set Room. Contractor shall be responsible to installation of DG Set inside existing DG Set Room without any extra cost and required necessary arrangements for the same deemed to be included in quoted rate.

M&L for earthing complete with galvanized steel earth plate electrode 600 mm x 600mm x6mm thick buried directly in ground ( earth pit not less than 2.25 mtr below normal ground level ) with top edge plate not less than 1.5 metre below normal ground level connected to galvanized earth strip of size 32x6mm as earthing lead by means of bolts, nuts, chuck nuts and washers of galvanized iron earth lead including PCC pit in PCC 1:2:4 type B-1 RCC cover made out of cement concrete 1:2:4 type B-1 (using 20 mm graded crushed stone aggregate) reinforced with TMT steel bars 8 mm dia @150 mm c/c both ways with suitable handle and angle iron 40x40x5mm frame, GI medium grade watering pipe 20mm bore and funnel with wire mesh light grade protection pipe 40mm bore up to main board complete as shown on electrical plate No 3 of MES Sch 2009 (Part-I) and testing on completion all as directed.

Supply and laying cable XLPE insulated screened PVC bedded, galvanized steel or wire armoured ,electric power cables (heavy duty) 1100 volts grade with stranded aluminum conductor of 240 sqmm 3½ core.

Supply and laying cable XLPE insulated screened PVC bedded, galvanized steel or wire armoured ,electric power cables (heavy duty) 1100 volts grade with stranded aluminum conductor of 70 sqmm 3½ core.

M&L for excavation in trenches in any type of soil not exceeding 1.5 Meter wide and not exceeding 1.5 Meter deep in any type of soil including cutting in slopes etc for laying of pipe line/Lt cable including getting out, complete all as specified and directed.

M&L for returning, filling in, including spreading, leveling, watering and well ramming in layers in soft / loose soil not exceeding 25 cm in each layer complete all as specified and directed by Engineer-in-Charge.

M&L for removal of excavated material (Soil) to a distance up to 50 Meter from starting point and depositing where directed at level not exceeding 1.5 Meter above as directed by Engineer-in-Charge.

Material and labour for dry sand for cushioning to underground cables in trenches provided with a layer of sand 8cm deep before laying the cable and 15cm deep after laying and stretching the cable complete all as specified and directed .(Note : Punned thickness shall may be measured for payment).

Supply and Laying brick covering with width equal to length of brick as mechanical protection to cable using sub class `B' bricks laid flat size 230x115x75 mm complete all as specified and directed by Engineer-in-Charge.

Mittal Machines (p) Ltd

MONA GENERATOR SEVICES PVT. LTD.