Pdg. 1250 KVA Compact Sub Station and DG Sets in Teaching Block-2 in CRSU at Jind.

Amount

6.6 Earth work in excavation in foundations, trenches, etc. in all kinds of soils, not exceeding 2 metres depth including dressing of bottom and sides of trenches stacking the excavated soil, clear from the edge of excavation and subsequent filling around masonary, in 15 cm layers with compaction, including disposal of all surplus soil, as directed within a lead of 30 metres

10.40 Cement concrete 1:3:6 with stone aggregate 20 mm nominal size foundation and plinth

10.26 Cement Concrete

Cement concrete 1:8:16 with brick ballast 40 mm nominal size in foundation and plinth

10.41 Cement concrete 1:2:4 with stone aggregate 20 mm nominal size in foundation and plinth.

11.2 First class brick work laid in cement sand mortar 1:6 in foundation and plinth.

15.6 12 mm thick cement plaster 1:5.

(P) Pipe Laying. 31.21 Supply and erection of pipe for wiring purposes including bends inspection boxes etc. where necessary and painting as required.

31.21 (vii) Galvanised iron pipe 65 mm dia on surface.

31.22 (Q) Earthing

31.22(iv) Earthing with tinned copper earth plate 600 mm x 600 mm x 3 mm thick including accessories and providing masonry enclosures with cover plate having locking arrangement and watering pipe etc. ( but without charcoal or coke and salt ) complete as required.

31.22(v) Extra for charcoal or coke and salt for G.I. Plate or copper plate earth electrode

31.22(x) Pdg. and fixing 25 mm x 5 mm copper strip in 40 mm dia G.I. pipe from earth electrode as required

31.26 Supply and erection of under ground cable ,loose in existing pipe or trenches complete with necessary connections. Make:KEI / Finolex / Polycab/Havells/Gloster

31.26 (xxxiii) Ard. 240 Sq. mm 3.5 Core Cable

31.26 (xxxiv) Ard. 300 Sq. mm 3.5 Core Cable

31.26 (xxxv) Ard. 400 Sq. mm 3.5 Core Cable

31.28 Supply and erection of suitable compression type brass cable glands for underground Cable

31.28 (vi) 240 Sqmm Cable 3 to 3.5 Core

31.28 (vii) 300 Sq mm to 400 Sqmm Cable 3 to 3.5 Core .

31.71 S/E of XLPE (E) 11 KV HT aluminum conductor armoured cable ISI marked laid in existing pipe / trenches / surface with all labour and material required to complete the job in all respect upto the entire satisfaction of Engineer-incharge of the work. Make:KEI / Finolex / Polycab/Havells/Gloster

(v) 120 Sq. mm 3 Core XLPE Cable

31.72 Supply and erection of heat shrinkage type end termination jointing kit indoor type of suitable to accommodate 3 core 11 KV XLPE aluminum cable/ ABC cable complete with all the kit contents including earth continuing connection along with 3 nos. crimpling type aluminum lugs of suitable capacity including making joining etc complete in all respect.

(ii) Suitable for 70 to 120 sqmm 3 core XLPE Cable

31.73 Supply and erection of heat shrinkage type end termination jointing kit outdoor type of suitable to accommodate 3 core 11 KV XLPE aluminum cable/ ABC cable complete with all the kit contents including earth continuing connection along with 3 nos. crimpling type aluminum lugs of suitable capacity including making joining etc complete in all respect.

(ii)Suitable for 70 to 120 sqmm 3 core XLPE Cable

M.R. items N.S - 1 APFC PANELS (400 KVAR) Design, fabrication, supplying, assembling, erecting, connecting, testing and commissioning of floor mounted cubical type compartmentalized dust, damp & vermin proof capacitor panel Make Dhillon Fabricator, Sudhir and C&S Electric fabricated out of suitable sized angle iron and flats and covered with 2mm thick cold rolled CRCA sheet painting etc. complete with copper bus bars, interconnection as required with solid/stranded copper conductor wires copper strips neutral links, etc.

Necessary solid state binary type power factor sensing and correction relay (14 stages) complete with CT.s and its all other accessories etc. as required.

800 Amp MCCB 4 Pole - 50 KA with TMR for (O/C , S/C) protection 1 No. Make: - L&T / C&S / Siemens / ABB

Spreader Terminal 1 No. Make: -L&T/C&S/Siemens/ABB

Extended Rotary Handle 1 No. Make: -L&T/C&S/Siemens/ABB

Digital Amp Meter , Class-1.0, 96X96 Sqmm 1 No

CTs 800/5A, Class-1.0, 15VA {Cast Resin} For Metering 3 Nos.

14 Stage APFCR Relay, Sensing 415Vac, Built-in PF Meter, CTR -/5A, 144 Sq Mm Aux, Supply 220Vac 1 No. Make: -L&T/C&S/Siemens/ABB

R/Y/B Phase Indicating Lamps (LED TYPE) 3 Nos.

Exhaust Fan 220Vac, 1 No.

6A, SP, MCB, 10KA For Control Ckt. 4 Nos. Make: -L&T/C&S/Siemens/ABB

6A Neutral Link Dropout Type, For Control Ckt. 3 Nos

5 KVAR Capacitor Banks :- 01 No's

32A 3P+NL MCCB 25KA With TMR For {O/C, S/C} Protection, 1 No. Make: - L&T / C&S / Siemens/ABB

Spreader Terminal 1 No. Make: -L&T/C&S/Siemens/ABB

Power Contactor 18A,TP 240Vac. 1 No

Addon Block 1No+1NC 1 No. Make: - L&T/C&S/Siemens/ABB

5 KVAR Capacitor Bank MPP (Standard Duty) 440Vac 1 No.

ON-Off Indicating Lamps (LED TYPE) 2 Nos.

Start Stop Push Button 2 Nos

10 KVAR Capacitor Banks :- 02No's

32A 3P+NL MCCB 25KA With TMR For {O/C, S/C} Protection, 2 Nos. Make: - L&T / C&S / Siemens / ABB

Spreader Terminal 2 Nos. Make: - L&T/C&S/Siemens/ABB

Power Contactor 25A,TP 240Vac. 2 Nos. Make: - L&T/C&S/Siemens/ABB

Addon Block 1No+1NC 2 Nos. Make: - L&T/C&S/Siemens/ABB

10 KVAR Capacitor Bank MPP (Standard Duty) 440Vac 2 Nos

ON-Off Indicating Lamps (LED TYPE) 4 Nos.

Start Stop Push Button 4 Nos.

25 KVAR Capacitor Banks :- 05 No's

80A 3P+NL MCCB 25KA With TMR For {O/C, S/C} Protection 5 Nos. Make: - L&T / C&S / Siemens / ABB

Spreader Terminal 5 Nos

Capacitor Duty Contactor 25 KVAR 240Vac. 5 Nos. Make: - L&T/C&S/Siemens/ABB

Addon Block 1No+1NC 5 Nos. Make: - L&T/C&S/Siemens/ABB

25 KVAR Capacitor Bank MPP (Standard Duty) 440Vac 5 Nos

ON-Off Indicating Lamps (LED TYPE) 10 Nos.

Start Stop Push Button 10 Nos

50 KVAR Capacitor Banks :- 05 No's

125A 3P+NL MCCB 25KA With TMR For {O/C, S/C} Protection 5 Nos Make: - L&T / C&S / Siemens / ABB

Spreader Terminal 5 Nos. Make: - L&T/C&S/Siemens/ABB

Capacitor Duty Contactor 50 KVAR 240Vac. 5 Nos. Make: - L&T/C&S/Siemens/ABB

Addon Block 1No+1NC 5 Nos. Make: - L&T/C&S/Siemens/ABB

25 KVAR Capacitor Bank MPP (Standard Duty) 440Vac 10 Nos.

ON-Off Indicating Lamps (LED TYPE) 10 Nos.

Start Stop Push Button 10 Nos

BUSBAR - Main Bus Bar

TPN Copper busbar made from Electrical Grade

Copper flats (E-91-E) 800 AMP Duly supported

on DMC insulators & covered with heat shrinkable sleeves

Enclosure, Bus Bar & Wiring & Accessories

MS Cabinet with integrated Base Frame & Powder Coated Paint

Hardware and Accessories - Nuts, Bolts, Washers

Door Hinges and Locks, Neoprene Rubber Gaskets

Mounting Plates, MS Channels, Partitions, Lifting Hooks & Gland Plates.

PVC Wires, Ferrules Thimbles & Other Wiring Accessories.

Consumables, Design and Development, Drawings

Manufacturing Cost i.e. Fabrication, Painting, Bus Bar

fitting, Handling & fitting of switchgears.

NS-2 Supply, installation, testing and commissioning of 1250 KVA 11KV/433 V DYN11 copper wound cast resin with load cap links of +5% @ 2.5% with WTI scanner transformer as per IS-1180 level-II latest specifications upto the entire satisfaction of Engineer-in-Charge of the work as per detailed specification given as under: - ( Make ABB /Schneider / Siemens/Voltamp)

Outdoor type enclosure having modular construction of 1.5/2mm Galvanized Sheet Steel. The Enclosure shall have IP54 degree of protection for HT & LT switch gear compartment & IP23 degree of Protection for Transformer compartment. Each compartment will be provided with the door and pad locking arrangement. The compartment illumination lamp with door operated switch shall be provided for each compartment. Interconnection between HTswitchgear & Transformer using XLPE Single core cable & Interconnection between Transformer & LT switchgear using copper Busbars, Internal earthing connections. All metallic components shall be earthed to a common earthing point.

HT SWITCHGEAR:

11KV 630 Amps 21KA/3 Sec. Non-Extensible Ring Main Unit Compact switchgear consisting of Two number Fixed manual Load break Switches and One number Fixed Manual Vacuum Circuit Breaker in SF6 insulated stainless steel enclosure with series trip, self powered microprocessor based numerical over current and earth fault relay protection. Interconnection between HT Switchgear and primary of transformer shall be done through 1C x 3R x 95 Sqmm. Aluminum Unarmoured XLPE cable (Make: ABB India Limited) = 1 No.

Relay shall be of Ashida make of Model No. ADR 2415 with communication port = 1 No.

Protection CT shall be 80/1A 2.5VA 50P10 = 1 Set

Fault passage Indicator for incoming load breaker switch = 1 No.

Manometer = 1 No.

Transformer

3 Phase 50 Hz 1250 KVA, 11KV/433V, DYn11, cast resin dry type transformer with off load. Tapping +5% to-5% in step of 2.5 % shall be provided at line end of HV winding. Changing of taps shall be carried out by means off load tap changing. Class of insulation shall be "F" . Losses are as no load losses/ full load losses & Impedance as standard ( Subject to IS Tol)

L.T. Switchgear ( Make ABB /Schneider / Siemens / L&T)

433V LT switchgear with 2000A Copper busbars, interconnection between transformer and LT switchgear shall be using copper Busbar

Incomer: 2000 A, FP, 65 KA manually operated fixed type air Circuit breaker with microprocessor release for O/L, S/C protection.= 1No

Outdoor enclosure

Outdoor type enclosure having modular construction of galvanized sheet steel design for better heat dissipation and providing robust construction. The enclosure shall have IP54 degree of protection for HT & LT switchgear compartment & IP23 degree of protection for transformer compartment. The enclosure exterior shall be painted with epoxy based PU paint . Each compartment will be provided with the door and pad locking arrangement. Enclosure having internal ArC tested for providing better safety. The compartment illumination lamp with door operated switch shall be provided for each compartment.

Interconnection & Earthing

Interconnection between HT switchgear & transformer using AI. Armoured XLPE single core cable & interconnection between transformer & LT switchgear using copper bus bars. Internal earthing connections by 25x5 mm Copper strips = 1 Set

Interconnection between HT switchgear & transformer using AI. Armoured XLPE single core cable & interconnection between transformer & LT switchgear using copper bus bars. Internal earthing connections by 25x5 mm Copper strips = 1 Set

INCOMING:- 1 No. 800 Amp. MCCB four pole 50 KA of Havells/L&T/ Siemens / GE fully interlocked horizontal draw out type manually operated complete with under voltage release, shunt trip and suitable size of cable chamber with compression type glands to receive incoming cables in sheet steel cubical electrical and Mechanical interlocked for safety purposes between incoming ACB and Bus coupler ACB to prevent switching On of Bus coupler breaker when both the incoming breakers are ON, suitable for operation on 400/440 Volts 3 Phase 4 wires 50 Cycles A.C. Supply with 2 Nos. ( NC + No ) auxiliary contacts and each comprising of :- Make: - L&T/C&S/Siemens/ABB

Spreader Terminal 1 No. Make: - L&T/C&S/Siemens/ABB

Extended Rotary Handle 1 No. Make: - L&T/C&S/Siemens/ABB

Digital Amp Meter , Class-1.0, 96X96 Sqmm 1 No

Digital Volt Meter , Class-1.0, 96X96 Sqmm 1 No

CTs 800/5A, Class-1.0, 15VA {Cast Resin} For Metering 3 Nos.

R/Y/B Phase Indicating Lamps (LED TYPE) 3 Nos.

6A, SP, MCB, 10KA For Control Ckt. 3 Nos.

6A Neutral Link Dropout Type, For Control Ckt. 1 No.

OUTGOING FEEDER

100A 3P+NL MCCB 25KA With TMR For {O/C, S/C} Protection, 24 Nos.

Spreader Terminal 24 Nos

Extended Rotary Handle 24 Nos

BUSBAR - Main Bus Bar

TPN Copper busbar made from Electrical Grade

Copper flats (E-91-E) 800 AMP Duly supported

on DMC insulators & covered with heat shrinkable sleeves.

Enclosure, Bus Bar & Wiring & Accessories

MS Cabinet with integrated Base Frame & Powder Coated Paint

Hardware and Accessories - Nuts, Bolts, Washers

Door Hinges and Locks, Neoprene Rubber Gaskets.

Mounting Plates, MS Channels, Partitions, Lifting Hooks & Gland Plates

PVC Wires, Ferrules Thimbles & Other Wiring Accessories

Consumables, Design and Development, Drawings

Manufacturing Cost i.e. Fabrication, Painting, Bus Bar

fitting, Handling & fitting of switchgears

NS-4 Execution of trenches of size 1500mm x 1500mm in all kind of soils, earth filling under floor with tibba sand shuttering, cement concrete 1:4:8 with stone aggregate 20mm nominal size in foundation & plinth 1st class bricks in cement sand mortar 1:6 in foundation & plinth, plastering on wall 12mm thick cement 1:6 including Pdg. & placing in position 75mm thick fencing made precast RCC rectangular cover on drain of footpath of various size weather cast of centering, shuttering, reinforcement of 8MM dia TMT bar of Fe-500 grade @ maximum 100MM C/C on both ways neat cement punning on finished surface properly encast on all edges with 1.6MM thick 75MM wide MS sheet duly painted over primer coat reinforcement to be welded at edges with MS sheet & Pdg. 2 Nos. 12mm dia bar for work etc. including cost of all labour and material required to complete the job in all respect upto the entire satisfaction of Engineer-in-Charge of the work

N.S-5 S/I/T/C of Servo Motor Operated Automatic Voltage Stabilizer oil cooled, Suitable for operation on 3-phase four wire unbalanced load unbalanced supply confirming to IS 9815-1994, realfirmed 2009, having following specifications:

Input - 340-460 V. AC Three Phase.

Output - 400 V. AC Phase

Stability - + 1 %

Efficiency - More than 95%

Cooling - Oil Cooled with first filling of oil as per IS-335

Distortion Introduced - NIL

Frequency - 50 Hz

Class of Insulation - 'A'

Construction - Outdoor Type

No. of Servo Motor - 03 Nos. (01 for each phase)

Digital Control Cards - 03 Nos. (01 for each phase)

Auto Variable Transformer - 03 Nos. (As per IS-5142)

Buck Boost Transformer - 03 Nos. (As per IS-2026)

Ambient Temp. - 45 C

Duty Cycle - Continous

Power Factor - Suitable for all power factor load

Electronic Control - IC Based

Insulation Resistance - More than 6 Meg ohm

Mode of operation - Auto/Manual

Type - Unbalanced Supply, Unbalanced Load

In addition to above the stabilizer shall be provided with following facilities:

1. Mains indicator in each phase

2. Digital voltmeter to read inut and output in each phase

3. Auto/Manual operation facilities

4. Input Low/High Voltage indication

5. Press Button Switches to increase/decrease the output in manual mode

6. Input/Output connecting Terminals

7.Digital Ammeter with CTs to indicate output current in each phase.

8. Lifting Lugs

9. Drain valve

10. Oil Level Guage

11. Earthing Terminal

12. Rating Plate

13. Junction Box

14. Wheels for Uni-directional movement

Protections:

1. Automatic Low/High Voltage Cut off in the output

2. Single phasing & Reverse phasing protection

3. Automatic Over load & Short circuit Protection through suitable rating MCCB

4. Earth fault protection

5. Spike & Surge protection

6. Low/High Voltage cut of & over load trip Audio visual alarm with Cancellation-cum acknowledgement facility

By Pass Arrangement: The Stabilizer shall be provided with four pole ON load By Pass Switch of Suitable rating including inter-connection to isolate the AVR & By Pass the mains supply.

Make: IECO/Automatic Electric Ltd./Andrew Yule & Co. Ltd.

Capacity: 1250 KVA

N.S-6 S/I/T/C of Servo Motor Operated Automatic Voltage Stabilizer oil cooled, Suitable for operation on 3-phase four wire unbalanced load unbalanced supply confirming to IS 9815-1994, realfirmed 2009, having following specifications:

Input - 340-460 V. AC Three Phase.

Output - 400 V. AC Phase

Stability - + 1 %

Efficiency - More than 95%

Cooling - Oil Cooled with first filling of oil as per IS-335

Distortion Introduced - NIL

Frequency - 50 Hz

Class of Insulation - 'A'

Construction - Indoor Type

No. of Servo Motor - 03 Nos. (01 for each phase)

Digital Control Cards - 03 Nos. (01 for each phase)

Auto Variable Transformer - 03 Nos. (As per IS-5142)

Buck Boost Transformer - 03 Nos. (As per IS-2026)

Ambient Temp. - 45 C

Duty Cycle - Continous

Power Factor - Suitable for all power factor load

Electronic Control - IC Based

Insulation Resistance - More than 6 Meg ohm

Mode of operation - Auto/Manual

Type - Unbalanced Supply, Unbalanced Load

In addition to above the stabilizer shall be provided with following facilities:

1. Mains indicator in each phase

2. Digital voltmeter in read inut and output in each phase

3. Auto/Manual operation facilities

4. Input Low/High Voltage indication

5. Press Button Switches to increase/decrease the output in manual mode.

6. Input/Output connecting Terminals

7.Digital Ammeter with CTs to indicate output current in each phase.

8. Lifting Lugs

9. Drain valve

10. Oil Level Guage

11. Earthing Terminal

12. Rating Plate

13. Junction Box

14. Wheels for Uni-directional movement

Protections:

1. Automatic Low/High Voltage Cut off in the output.

2. Single phasing & Reverse phasing protection

3. Automatic Over load & Short circuit Protection through suitable rating MCCB

4. Earth fault protection

5. Spike & Surge protection

6. Low/High Voltage cut of & over load trip Audio visual alarm with Cancellation-cum acknowledgement facility.

By Pass Arrangement: The Stabilizer shall be provided with four pole ON load By Pass Switch of Suitable rating including inter-connection to isolate the AVR & By Pass the mains supply.

Make: IECO/Automatic Electric Ltd./Andrew Yule & Co. Ltd.

Capacity: 500 KVA

N.S-7 Supply of Yamuna Sand and Filling in Electrical cable trunch including transportation, loading and unloading labour and all other charges complete in all respect upto up to the entire satisfaction of Engineer-in-Charge of the work.

N.S-8 Supply, erection, testing, commissioning and installation of 320 KVA 3 Phase 415 Volts electric start, factory assembled, Diesel Generating Set as per I.S 4722 and or the latest I.S. specification complete with fuel tank and batteris and AMF panel and other standard accessories as supplied by the manufacturers complete in all respect upto the entire satisfaction of Engineer-in-Charge of the work. Make: - Kirloskar / Cotton Greaves / Cummins

i) DIESEL ENGINE : (Manufactured in India)

Diesel Engine shall be Liquid Cooled, electric start developing required B.H.P. at 1500 rpm suitable for alternator to deliver specified continuous KVA output at 0.8 lagging PF at NTP conditions (Rating shall be tested at Unity PF). The Diesel Engine should be capable of providing 10 % overload for one hour continuous running at full load after every 11 Hours continuous running. Diesel Engine should be fitted with Electronic Governor. Make:Kirloskar/Greaves Cotton/Cumins/Ruston

The Diesel Engine shall be complete with the following accessories:-

a) Engine instrument Panel consisting of starting switch/push button, Lube Oil and Pressure Gauges, Water Temperature Gauge, RPM indicator and Hour meter

b) Low lube oil pressure safety required in Engines, High Water temperature safety for water cooled Engines is required. The safety should include audio alarm and trip facility also to avoid damage to the engine.

c) Radiator.

d) Exhaust silencer of Residential type.

e) 12V/24V starting system complete with starter motor, charging alternator and Cutout.

f) Lead Acid battery of suitable ratings with connecting cables. The batteries shall be supplied in uncharged conditions and of Make : EXIDE/ STANDARD FURUKAWA/ AMARON/ TATA-GREEN/ AMCO/ LUMINOUS/ PACESETTER.

Diesel Engine of direct injection or Diesel Engine fitted with common Rail Direct Injection Pump shall be accepted. The Engine should confirm to applicable Emission Norms. The Diesel Engine shall be accepted only which conforms to BIS : 10000/1/2 or BS:5514

ii) ALTERNATOR :-

The Alternator shall be self – excited, self – regulated of specified 320 KVA rating in three phase at 415 Volts, 50 Hz, 1500 RPM and 0.8 pf lagging (Rating shall be tested at Unity PF). The alternators shall be of brushless type only. The alternators shall be screen-protected drip proof with Min. IP-21 or improved degree of protection for outdoor installations. The class of insulation of the Alternator would be F/H. The rated voltage of Alternator will be 415 V for 3 phase. Make of Alternator : Kirloskar / Kirloskar Green/ Crompton – Greaves/ Stamford

ARRANGEMENT

Diesel Engine and Alternator should be close coupled and mounted on a base plate of robust construction

iii) AMF CONTROL PANEL :-

Automatic mains failure (AMF) control panel shall be able to start up the DG set and can transfer the load on to D.G. set on mains failure without requiring any human intervention, similarly, on restoration of main supply, it shall be able to transfer the load to mains supply and switch off the D.G. Set automatically. The AMF panel enclosure should be with the IP-53 degree of protection and shall be fabricated from minimum 16 SWG thick steel sheet duly pre-treated and aesthetically finished and Power coated.

The AMF Control Panel shall have the following instruments :

1. Generator voltage/AC Mains voltage. 2. Generator Current. 3. Load Current. 4. Power Factor. 5. Frequency. 6. Energy. 7. Three attempts engines start/ engines cranking relay. 8. On delay timer for load change over. 9. On delay timer for engine shut off.

c) Engine On-Off switch (Push button type)

d) MCCB/Fuses of suitable rating shall be provided.

e) Rectangular Aluminium Bus Bars (one number for each phase, neutral and Earthing terminal) of adequate ratings duly colour coded with heat shrinkable PVC Sleeves or Copper Cables.

f) Two contactors/ACB of suitable rating (one for DG set & one for AC mains) with over load relay.

g) Under + Over Voltage Relay

h) Automatic Battery charger with on-off switch, voltmeter and ammeter for charging the battery from mains. This will be addition to the battery charging alternator fitted on the engine

i) Instrument & Control Fuses/MCB

j) Four number indicating lamps to indicate ‘load on mains’ ‘set running’ ‘load on set’ and ‘battery charger on’

k) Audio visual alarm for ‘Low lubricating oil pressure’ High water temperature’ (for water cooled), ‘Start failure’, and ‘DG overload’

l) Any other switch, instrument, relay or contactor etc. essential for smooth and trouble free function of DG set with AMF Panel (to be specified by the tenderer in their offer with complete detail of the item).

m) All Electro components/ parts such as MCCB/ MCB/FUSE/ Contactor/ Meters should be of L&T/ ABB/ SCHINEDIER/AE/ENERZON/GE/HAVELLS/ SIEMENS make.

iv) SOUND PROOF ENCLOSURE (CANOPY)

The generator shall be in a sound proof (Acoustic) enclosure suitable for Diesel Generating Set complete in all respect having following specification/ Feature :-

Fabricated as per standard specification of manufacturer, stuffing done with suitable Foam/ Rock wool. Rock wool supported with Tissue Paper or perforated sheets having holes. Residential type silencer provided to lower the noise of exhaust outlet. Canopy treated for antirust with powder coating. Should have fresh Air inflow and proper ventilation. Modular in construction and provided with lockable doors. The Sound proof enclosure shall be strictly as per CPCB prevalent norms. The sheet thickness should be 18 gauge (min) as per manufacturer standard and as per CPCB rules

v) CABLING :

Supply & erection of underground Aluminum armoured cable ISI mark including necessary connections, thimbling, glands alongwith digging & re-filling of cable trenches, complete in all respect, inclusive of cost of earth excavation. Makes Havells, Gloster, Grandlay,Polycab, RR Kabel, Plaza (ISI Marked) suitable for D.G. Set as per manufacturer standard / recommendation.

vi) SWITCHES :

Change over switch, Supply & erection of change over switch, TPN on angle iron frame including earthing, necessary connections complete in all respect, Make:- Havells, SSK, Standard, C&S – Capacity 200, 320, 400, 630, 800, 1000, 1250 Amps.

Main Switch :- I) Supply & Erection of following Main switches, TPN Re-wireable/HRC on angle iron frame including earthing necessary connections complete in all respect, Make:- SSK, Standard, Havells Capacity 200, 320, 400, 630, 800, 1000 Amps.

vii) Foundation: Foundation of DG Set will be made suitable for capacity of DG Set as under: Specifications: Construction of foundation for Diesel Generator of size length and width 300mm more all around the DG Set having foundation with 150mm CC 1:4:8 with stone aggregate 40mm nominal size in foundation and Brick work in cement motor 1:6:600mm (300mm underground and 1000mm above ground) and earth filling inside and cement concrete 1:1:5:3 slab with stone aggregate 20mm nominal size with steel reinforcement 10mm dia 150mm centre to centre both way. Including cement plaster 1:4 all around as per PWD specifications and up to entire satisfaction of Engineer-in-Charge of the work.

320 KVA DG Set

N.S-9 Supply, erection, testing, commissioning and installation of 500 KVA 3 Phase 415 Volts electric start, factory assembled, Diesel Generating Set as per I.S 4722 and or the latest I.S. specification complete with fuel tank and batteris and AMF panel and other standard accessories as supplied by the manufacturers complete in all respect upto the entire satisfaction of Engineer-in-Charge of the work. Make: - Kirloskar / Cotton Greaves / Cummins

i) DIESEL ENGINE : (Manufactured in India)

Diesel Engine shall be Liquid Cooled, electric start developing required B.H.P. at 1500 rpm suitable for alternator to deliver specified continuous KVA output at 0.8 lagging PF at NTP conditions (Rating shall be tested at Unity PF). The Diesel Engine should be capable of providing 10 % overload for one hour continuous running at full load after every 11 Hours continuous running. Diesel Engine should be fitted with Electronic Governor. Make:Kirloskar/Greaves Cotton/Cumins/Ruston

The Diesel Engine shall be complete with the following accessories:-

a) Engine instrument Panel consisting of starting switch/push button, Lube Oil and Pressure Gauges, Water Temperature Gauge, RPM indicator and Hour meter

b) Low lube oil pressure safety required in Engines, High Water temperature safety for water cooled Engines is required. The safety should include audio alarm and trip facility also to avoid damage to the engine

c) Radiator.

d) Exhaust silencer of Residential type

e) 12V/24V starting system complete with starter motor, charging alternator and Cutout.

f) Lead Acid battery of suitable ratings with connecting cables. The batteries shall be supplied in uncharged conditions and of Make : EXIDE/ STANDARD FURUKAWA/ AMARON/ TATA-GREEN/ AMCO/ LUMINOUS/ PACESETTER.

Diesel Engine of direct injection or Diesel Engine fitted with common Rail Direct Injection Pump shall be accepted. The Engine should confirm to applicable Emission Norms. The Diesel Engine shall be accepted only which conforms to BIS : 10000/1/2 or BS:5514.

ii) ALTERNATOR :-

The Alternator shall be self – excited, self – regulated of specified 320 KVA rating in three phase at 415 Volts, 50 Hz, 1500 RPM and 0.8 pf lagging (Rating shall be tested at Unity PF). The alternators shall be of brushless type only. The alternators shall be screen-protected drip proof with Min. IP-21 or improved degree of protection for outdoor installations. The class of insulation of the Alternator would be F/H. The rated voltage of Alternator will be 415 V for 3 phase. Make of Alternator : Kirloskar / Kirloskar Green/ Crompton – Greaves/ Stamford

ARRANGEMENT

Diesel Engine and Alternator should be close coupled and mounted on a base plate of robust construction.

iii) AMF CONTROL PANEL :-

Automatic mains failure (AMF) control panel shall be able to start up the DG set and can transfer the load on to D.G. set on mains failure without requiring any human intervention, similarly, on restoration of main supply, it shall be able to transfer the load to mains supply and switch off the D.G. Set automatically. The AMF panel enclosure should be with the IP-53 degree of protection and shall be fabricated from minimum 16 SWG thick steel sheet duly pre-treated and aesthetically finished and Power coated.

The AMF Control Panel shall have the following instruments

1. Generator voltage/AC Mains voltage. 2. Generator Current. 3. Load Current. 4. Power Factor. 5. Frequency. 6. Energy. 7. Three attempts engines start/ engines cranking relay. 8. On delay timer for load change over. 9. On delay timer for engine shut off

c) Engine On-Off switch (Push button type)

d) MCCB/Fuses of suitable rating shall be provided.

e) Rectangular Aluminium Bus Bars (one number for each phase, neutral and Earthing terminal) of adequate ratings duly colour coded with heat shrinkable PVC Sleeves or Copper Cables.

f) Two contactors/ACB of suitable rating (one for DG set & one for AC mains) with over load relay.

g) Under + Over Voltage Relay

h) Automatic Battery charger with on-off switch, voltmeter and ammeter for charging the battery from mains. This will be addition to the battery charging alternator fitted on the engine

i) Instrument & Control Fuses/MCB

j) Four number indicating lamps to indicate ‘load on mains’ ‘set running’ ‘load on set’ and ‘battery charger on’

k) Audio visual alarm for ‘Low lubricating oil pressure’ High water temperature’ (for water cooled), ‘Start failure’, and ‘DG overload’

l) Any other switch, instrument, relay or contactor etc. essential for smooth and trouble free function of DG set with AMF Panel (to be specified by the tenderer in their offer with complete detail of the item).

m) All Electro components/ parts such as MCCB/ MCB/FUSE/ Contactor/ Meters should be of L&T/ ABB/ SCHINEDIER/AE/ENERZON/GE/HAVELLS/ SIEMENS make.

iv) SOUND PROOF ENCLOSURE (CANOPY)

The generator shall be in a sound proof (Acoustic) enclosure suitable for Diesel Generating Set complete in all respect having following specification/ Feature :-

Fabricated as per standard specification of manufacturer, stuffing done with suitable Foam/ Rock wool. Rock wool supported with Tissue Paper or perforated sheets having holes. Residential type silencer provided to lower the noise of exhaust outlet. Canopy treated for antirust with powder coating. Should have fresh Air inflow and proper ventilation. Modular in construction and provided with lockable doors. The Sound proof enclosure shall be strictly as per CPCB prevalent norms. The sheet thickness should be 18 gauge (min) as per manufacturer standard and as per CPCB rules

v) CABLING :

Supply & erection of underground Aluminum armoured cable ISI mark including necessary connections, thimbling, glands alongwith digging & re-filling of cable trenches, complete in all respect, inclusive of cost of earth excavation. Makes Havells, Gloster, Grandlay,Polycab, RR Kabel, Plaza (ISI Marked) suitable for D.G. Set as per manufacturer standard / recommendation.

vi) SWITCHES :

Change over switch, Supply & erection of change over switch, TPN on angle iron frame including earthing, necessary connections complete in all respect, Make:- Havells, SSK, Standard, C&S – Capacity 200, 320, 400, 630, 800, 1000, 1250 Amps

Main Switch :- I) Supply & Erection of following Main switches, TPN Re-wireable/HRC on angle iron frame including earthing necessary connections complete in all respect, Make:- SSK, Standard, Havells Capacity 200, 320, 400, 630, 800, 1000 Amps.

vii) Foundation: Foundation of DG Set will be made suitable for capacity of DG Set as under: Specifications: Construction of foundati for Diesel Generator of size length and width 300mm more all around the DG Set having foundation with 150mm CC 1:4:8 with stone aggregate 40mm nominal size in foundation and Brick work in cement motor 1:6:600mm (300mm underground and 1000mm above ground) and earth filling inside and cement concrete 1:1:5:3 slab with stone aggregate 20mm nominal size with steel reinforcement 10mm dia 150mm centre to centre both way. Including cement plaster 1:4 all around as per PWD specifications and up to entire satisfaction of Engineer-in-Charge of the work.

500 KVA DG Set

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