PROCURING OF DG SETS FOR DCN SITE AT AF STN VADODARA

Amount

Supply, installation, testing and commissioning of Silent type Diesel Engine Generating set 415 volts 125 KVA ( CPCB-IV + Compliant) or nearest higher size available, 3 phase 0.8 power factor, 50 Hz, 1500 RPM self exicited self regulated brushless AC generator installed including control panel, suitable for ambient condition at Baroda and as per latest CPCB Norms of Govt of India and confirming to condition under IEC 60034-1, ISO 3046, ISO 1460,ISO 8528, ISO 9001, IS 10002, BS 5514/5000 with capacity of 10% overloading for one hour in every twelve hour duration and including the following accessories complete all as specified and directed :-

(a) Alternator :- Synchronous alternator rated at 30 KVA suitable for continuous operation at 1500 RPM generating 415 volts at 0.8 p. f (lag) suitable for 50 Hz, three phase, 4 wire system. The alternator shall be brushless,single bearing type,self excited & self regulated with an AVR .The alternator will be suitable for tropical climate and shall generally confirm to IS: 4722 : 2001 The salient features of the alternators are :- (i) +-1% voltage regulation (max) in static conditions. (ii) IP: 23 protections with class ‘H’ insulation. · (iii) Permanent lubricating bearing. · (iv) Permissible overload of 10% for one hour in 12 hours of operation.

(b) Diesel Engine: - Adequate capacity of Diesel engine water cooled to drive independently above alternator and after considering de-rating as per site conditons after generating and reducing power consumed by accessories directly coupled through flexible coupling multi cylinder multi stroke direct injection, cold starting 1500 RPM, as per relevant IS/BS complete with standard accessories all as specified and required for safe handling and operation salient features of accessories shall be as under :- i) Fly wheel with housing ii) Cooling system :- Moulded radiator with fan & belts. iii) Cooling Water pump : - Centrifugal type belt driven. iv) Exhaust System :- Exhaust System complete with exhaust piping of suitable dia with MS pipe medium grade. Lowest exhaust emmissions control device to meet the next genration ( CPCB-IV + Compliant). Turbo charger type exhaust manifold. (v)Silencer : Residential type vi) Fuel System :- Fuel injection system with fuel injectors, fuel injection solenoid switch controlled by governer electric operated/ (as recommended by OEM) for 1% speed /frequecy regulation. Fuel filters Fuel hoses

vii) Lub oil System :- Lubricating oil filter Lubricating oil pump viii) Air Intake System :- Air intake Manifold Air cleaner dry type ix) Governer mechanical type x) Starting System :- Electric Self starter with and including battary charging alternator 12 Volts DC. xi) Batteries :- Battery of maintenance free of capacity 2 Nos x12 V, 100 AH complete with copper conductor multistranded leads of suitable length from self starter to the battary terminals complete with initial charge and initial fill of electrolyte all as specified. (xii) Start and stop push button (xiii) Ignition key / Switch (xiv) Radiator with blower fan & first fill of coolant oil (xv) Corrosion inhibitor coolant (xvi) Direct fuel injection system through governer mechanical type

xvii) Safety Controls : - Engine low lube oil pressure high water temperature and over speeding of engine. xviii) Coupling arrngement : - Flexible coupling xix) Accessories :- AVM Pads built- in or separtely mounted to manufactrer base frames.

xx) Base Frame : - Base frame is fabricated either in ISMC channel or in sheet metal. The base frame will be primer coated and painted. The base frame is rugged in construction and designed for mounting Diesel engine and alternator close coupled, with cross members mounted on AVM. The base frame shall have provision for mounting of acoustic enclosure & control panel on it. The base frame is having provision of lifting hook for convenient lifting of complete set, i.e. along with canopy, engine and alternator. xxi) MS/Steel flexible pipe line to and from the fuel tank to the DG Set. xxii) Battery Charger shall be provided as per manufacturer guidelines. xxiii) 1 No battery of 12 V in charged condition with its leads.

(c) ACOUSTIC ENCLOSURE : Acoustic enclosure shall be powder coated weather proof outdoor type and fabricated out of 14/16 SWG CRCA MS sheet. The silent canopy shall be of nut bolt type construction. Critical processes of punching is done on CNC machines to maintain dimensional accuracy of holes within 0.1 mm. Powder coating is done after seven-tank surface preparation process of sheet metal. Canopy panel and doors shall have inside lining of FIRE-RETARDANT foam as acoustic material & Rock wool for hot zone.Adequate hinged doors shall be provided to canopy, one door shall have glass window for control panel visibility. (i) Manufactured by OEM suitable for 125 KVA DG Set. (ii) It Should be as per latest rules,CPCB norms and regulations of Ministry of Environment and Forest and Pollution control board. (iii) The generating set battery should be inside the enclosure. (iv) Fuel tank :-Daily service fuel tank of 8 hours of continuous operation, fabricated form 14/16 SWG sheet metal complete with drain, inlet and outlet connection and fuel gauge. (v) Construction Details/specification are as follows : - (a) Outer body :- CRCA Sheet of 14/16 SWG .

(b) Doors :- CRCA sheet of 14/16 SWG (c) Sound Insulation :- 100 mm thick rock wool (minimum density 64kg/Cum)/ fire resistance foam/puff as per OEM/ as per standard manufacturing to achieve desired decibel level. vi) The acoustic should be composite in construction and fully assembled integral unit. vii) The DG Set should be provided with external Emergency stop push button. viii) The enclosure should be suitably internally illuminated by CFL/FTL Lamp fittings. ix) The noise level should be 75 dB at 1m under free field conditions. x) The acoustic enclosure parts shall be of powder coated after pre treatment process. The base frame should be painted with epoxy based black shade. Note :- (i) The complete DG Set shall be procured from authorised OEM of the manufacturer of engine. A certificate in this connection shall be submitted to the GE. (ii) Circulation system to achieve desired inside temperature of acoustic enclosure, if required shall be provided as per OEM recommendation.

(iii) The quoted rate shall deemed to be inclusive of 12 hours test run at site as specified in PS and IS requirements in presence E/M Offr detailed by accepting officer, all testing arrangements/ equipments shall be made available by the contractor for tests. (iv) The quoted rate shall be deemed to be inclusive of first fill of lubricant oil, DHPP for 12 hours testing and final successful acceptance test. (v) Anything missed out above but technically required for efficient working of DG Set is deemed to be included in quoted rates. vi) Design / drawing of the AMF panel & DG SET showing the dimensions is to be obtained from DG SET/ panel board manufacturer / supplier & is to be got approved from Engr-in-charge/GE before placing final order to the manufacturer.

vii) The electrical connection of digital Multi Functional Meter in the AMF panel is to be done from load side so that monitoring of various parameters viz. Voltage, Current, KW, KVA, power factor, frequency etc can be done of both SEB mains & DG mains. viii)The quoted rate shall be deemed to be inclusive of first fill of engine oil & final successful acceptance test.

(d) Inbuilt Control Panel chamber/Generator Monitoring Panel :- Control panel shall be fabricated from 16/14 SWG sheet dust and vermin proof with internal wiring and powder coated after seven tank treatment process and have following protection system :- (i) Microprocessor based generator set monitoring and control system fully configurable, consists of LCD display and to monitor operator interface, fault history, alternator data, Engine data, porvision for service adjustement and caliberation of DG control functions, Engine controls, engine protective functions, alternative protective functions etc, Comprising of all standard items as per standard manufacturing, iginiton key switch and start / stop arrangement, indications for Engine parametes, hour run meter, RPM meter, Engine oil pressure indicator, water/coolant temperature indicator, Battery volt display (ii) MCCB 4 Pole 200 Amp 35 KA Adustable type with short circuit protection -1 Nos (iii) Instrument fuses and control wiring. (iv) Indication lamps for set running (DG ON) and load on. (v) Bus bar including suitable capacity CTs, cable etc. Note:- The contractor shall arrange for artificial load resistive for testing of DG Set at site and the cost is deemed to be included in the quoted rates.

MAKES :- Make of Engine : CUMMINS/KIRLOSKAR GREEN/ASHOK LEYLAND/GREAVES COTTON Make of Alternator : KIRLOSKAR ELECTRIC/ALSTOM/CROMPTON GREAVES/SIEMENS Make of Battery : Exide/AMCO/AMARON.

Material and labour for making DG set platform suitable DG set 125 KVA size 5 mtr x 3 .5 Mtr and Height 900mm from ground level GL including excavation in trenches not less than 1 mtr, PCC 1:5:10 type E2 for foundation, brick work in cm 1:6, PCC 1:2:4 type B1 in copping, plaster 10mm thick in cm 1:6 om brick /complete surface PCC 1:4:8 type B1 sub base 75mm thick, as in flour RCC 1:2:4 type B1 250mm thick floor with 10mm dia bar using extra cement returning filling and removal on surplus soil, 3 coats of white washing on cement work for including ramp/ steps of suitable DG set complete all as specified and as directed.

Supply, installation, testing and commissioning of factory made, outdoor type, AMF Panel board, suitable for 125 KVA DG set confirming to IS-5039, cubical type base mounting with IP-54 protection, made out of 3.15 mm thick CRCA sheet , 415 Volt, 3 phase , 50 Hz supply mounted on and including MS angle section 40 x 40 x 5 mm frame with front and back openable, double door with provision of locking arrangement dust & vermin proof , gasket, TPN bus bar shall be insulated with colour coated heat shrinkable sleeves and shall be mounted on proper insulator, gland, welding hinges of dust proof, overall powder coated complete including taking down old AMF panel , Controller with battery charger 12 V,15 A all as specified and directed & Consisting of the following equipment connecting up incoming and out going cables complete with glands and lugs and chamber painted with two coats of aluminium paint over a coat of red oxide primer including mounting the chamber with suitable size of bolts/ nuts including taking complete all as specified and as directed.

(o) Neutral link rated current 15 A -01 No (p) Aux supply 12 V DC , voltage sensing relay 415 VAC. - 02 Nos (q) 12 V, 15 Amp battery charger for charging the DG set battery with 2.5 sqmm control cable Note :- (a) Quoted rate includes excavation, earth work and PCC work and connection & testing complete. (b) PCC 1:3:6 platform with angle iron frame for mounting AMF panel 900mm above ground level, all as directed by Engineer in Charge. (c) AMF Panel should be mounted on platform of PCC (1:3:6) and supported by Angle sections complete all as specified and directed

Supply, install, commissioning and testing of factory made (including CPRI approved manufacturer) LT panel box (KIOSK) out door typesize not less then 1800 W x 1500H x 500 D platform mounted suitable for 415 volt , 3 phases, 4 wire , 50 Hz AC supply system all as specified and directed having busbar chamber with 4 Nos insulated AL bus bars 600 amps rating installed on percelain insulators, the panel shall be dust and vermin proof double door made of 3.15 mm CRCA MS sheet outer & inner and individual compartment for MCCB/ volt/Amps meter and 50 x 50 x 6 mm thick angle iron for base frame work having angle iron 4 Nos each Suitable long welded to frame/cubical and grouted in ground upto 0.5 Meter by using PCC 1:2:4 B2 of Suitable size the ground over the ground level upto 1 Mtr height . 2 Nos earth terminal to be welded with feeder piller.The complete feeder pillar box should be anti corrosive coating and finally epoxy polyester powder coating of flint grey shade (RAL-7032) including internal wiring with PVC insulated solid copper conductor FRLS cables appropriate size but not less than 2.5 Sqmm. Front and back opening type for cable entry with double door shutter including locking arrangement as per manufacturers with 2 Keys reconnecting all existing UG cable with suitable lugs for incoming/outgoing feeders and comprising of complete all as specified and directed :-

Incomer:- (a) MCCB FP 500A 36 kA with Electronic/Microprocessor release with over load Zone of adjustment 0.4 to 1.0 In and Electronic release with Short circuit Zone of adjustment 1.5 to 10.0 Ir. (Adjusted current) with time with Extended Rotary Handle vari-depth type and Spreader between phases and neutral. -01 no (b) 4 Nos Aluminium Bus bars of Aluminium strips (50X12mm) having1000 Amp current rating capacity, of suitable size of length as actually required at site for 3 phase and neutral, mounted on epoxy/FRP bus bar insulator complete with nut bolt fixing arrangement complete - 01 set (c) ON Load changeover switch 4 pole 500 Amp capacity 3ph 50Hz -1 Nos Outgoing :- (d) MCCB FP 400 A 36 kA with Adjustable Thermal release for over load 0.64 to 1.0 and Adjustable magnetic release (3.5 to 10.0 In) for Short circuit with Extended Rotary Handle vari-depth type and Spreader between phases and neutral. -03 Nos (e) MCCB FP 160 A 36 kA with Adjustable Thermal release for over load 0.64 to 1.0 and Adjustable magnetic release (3.5 to 10.0 In) for Short circuit with Extended Rotary Handle vari-depth type and Spreader between phases and neutral. -02 Nos

Supply, install, commissioning and testing of factory made (including CPRI approved manufacturer) LT panel box (KIOSK) out door typesize not less then size 1500 W x 1500H x 500 D platform mounted suitable for 415 volt , 3 phases, 4 wire, 50 Hz AC supply system all as specified and directed having busbar chamber with 4 Nos insulated AL bus bars 600 amps rating installed on percelain insulators, the panel shall be dust and vermin proof double door made of 3.15 mm CRCA MS sheet outer & inner and individual compartment for MCCB/ volt/Amps meter and 50 x 50 x 6 mm thick angle iron for base frame work having angle iron 4 Nos each Suitable long welded to frame/cubical and grouted in ground upto 0.5 Meter by using PCC 1:2:4 B2 of Suitable size the ground over the ground level upto 1 Mtr height . 2 Nos earth terminal to be welded with feeder piller.The complete feeder pillar box should be anti corrosive coating and finally epoxy polyester powder coating of flint grey shade (RAL-7032) including internal wiring with PVC insulated solid copper conductor FRLS cables appropriate size but not less than 2.5 Sqmm. Front and back opening type for cable entry with double door shutter including locking arrangement as per manufacturers with 2 Keys reconnecting all existing UG cable with suitable lugs for incoming/outgoing feeders and comprising of complete all as specified and directed :-

Incomer (a) MCCB FP 200 A 36 kA with Electronic microprocessor release with over load Zone of adjustment 0.4 to 1.0 In and Electronic release with Short circuit Zone of adjustment 1.5 to 10.0 Ir. (Adjusted current) with time with Extended Rotary Handle vari-depth type and Spreader between phases and neutral. -01 no (b) 4 Nos Aluminium Bus bars of 400 Amp current rating capacity, of suitable size of length as actually required at site for 3 phase and neutral, mounted on epoxy/FRP bus bar insulator complete with nut bolt fixing arrangement complete - 01 set Outgoing :- (c) MCCB FP 160 A 36 kA with Adjustable Thermal release for over load 0.7 to 1.0 and Adjustable magnetic release (10.0 In) for Short circuit with Extended Rotary Handle vari-depth type and Spreader between phases and neutral. -02 Nos (d) MCCB FP 100 A 16 kA with Adjustable Thermal release for over load 0.7 to 1.0 and Adjustable magnetic release (10.0 In) for Short circuit with Extended Rotary Handle vari-depth type and Spreader between phases and neutral. -03 Nos

Supplying, laying and testing of cable XLPE Insulated, screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor, laid in trenches/duct or fied to wall/passing through pipe on pole with suitable size cable glands, crimping type cable lugs for stranded aluminium conductor of size 150 Sqmm, 4 Core, including disconnnecting/taking out existing unsv/damaged old LT UG cable complete all as specified and directed :- Notes : Earthwork, Sand and Covers shall be measured and paid separately.

Excavation in trenches for not exc 1.5 mtr wide and not exc 1.5 mtr depth and getting out in soft/loose soil including taking out faulty cable/cable, cable covers and GI pipe complete all as specified and directed.

Returning filling in including spreading levelling watering and well ramming in layers n.exc 25cm complete all as specified & directed.

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed.

M&L for sand cushioning with using clean dry and natural river sand including gently punning below/around cable complete all as specified and directed. Note: Depth of the sand shall be measured after punning.

Supply and laying unreinforced precast concrete cable cover factory made LV type 2 flat size 300 x 180 x 40 mm laid in trenches complete all as specified and directed.

Supply and fixing of HDPE Pipes PN 10 of 75mm dia suitable for protection of LT cable complete all as specified and directed.

M&L for providing copper chemical earthing complete with copper earth plate electrode of 90 x 60cm x 5 mm thick buried directly in ground (Earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level, connected to copper earth lead 32 x 6mm (copper strip) upto 7.5 meter long by means of bolts,nuts check nuts and washers of all galvanised iron or steel all as shown in electrical plate No.3 of SSR Part-1 and connected to and including phophor bronze or copper strip 50x6mm 70mm long 3way test in PVC Junction box point including necessary excavation/ earth work in any type of soil/rock strata, PCC 1:3:6 type C1 cement concrete 1:2:4 type B1 reinforced with welded steel wire fabric (AMP) not less than 4 KG per Sqm funnel with wire mesh , PCC pit with 50mm thick PCC cover etc.The chemical should be tested and certified by any international accredited laboratory. The earthhencing compound should be tested referring to protocol IS 1350/&/EC62321/111/54/CDV. The PH value of compound should be between 7 to 8. The content of mercury (Hg) & Hexacromium should be below detection level. The electrode should be tested for salt spray test as per BIS117-09 for corrosion for minimum 500Hrs. including testing on completing including HDPE protection pipe 63mm dia heavy grade for earthing lead protection complete all as specified and directed including demolition of old unservicable earthing.Earthing strip should br burried in ground properly, necessary earth work for strip shall be deam incl. in quoted rate complete all as specified and directed

Material and labour for earthing complete with galvanized steel earth plate electrode 600mm X 600mm X 6mm buried directly in ground vertically to a depth not less than 2.25 meter below normal ground level (with top edge of earth plate not less than 1.5 meter below ground level) connected to GI strip 32x6 mm main earthing lead by means of galvanized bolts, nuts and washers with connected to earth test point & to main switch board /panel etc. all as specified and testing on completion with and including necessary excavation and earth work in any type of soil, earth electrode, earthing lead from electrode to equipment/substation/panel etc, adequate quantity of charcoal dust and common salt, test point, PCC (1:3:6) type C-1 (using 20mm graded black trap/granite/Basalt stone aggregate) for earth pit with 40 x 40 x 6mm mild steel angle iron frame for cover, pre cast RCC (1:2:4) type B-1 (using 20mm graded black trap/granite/Basalt stone aggregate) 40mm thick cover reinforced with 8mm dia TMT bars 3 Nos both way with 12mm dia round bar handle, GI light grade watering pipe 20 mm dia with funnel and wire mesh, and 40 mm dia GI light grade earth lead protection pipe, complete all as specified and directed

Supply and fix ON LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 200 Amps complete all as specified and directed.

Providing and laying 60mm thick factory made chamfered edge cement concrete paver block of M-35 grade with approved colour, design & pattern as in footparth, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of fine sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand complete all as specified and directed.

Chanda Construction Co.

M K ENGINEERS CO.

Electricals India

M/s SK Traders