SPECIAL REPAIR OF 380KVA DG SET AGAINST BER FOR P2 WATER SUPPLY INSTALLATION AT KASAULI UNDER GE KASAULI

Amount

Schedule 'A' Section - I

Supply, installation, commissioning and testing of Diesel Engine driven factory assembled, floor mounted ,silent type diesel generating set of capacity 380 KVA output at NTP conforming to CPCB Norms-II or higher as per current govt policy with AMF control panel, 3 phase, 4 wire, 50 Hz, 415 Volts 1500 RPM power factor of 0.8, as per IS 10001/10002 complete with safety contact and metering equipment mounted on common base frame on PCC platform with anti-vibration pads as recommended by manufacturer including inbuilt type Manual Control Panel from DG set manufacturer’s with all fixing arrangement complete all as specified, directed and comprising the following ( NOTE : No extra payment will be done for price change due to change in govt policy) :-

PRIME MOVER : Prime mover directly coupled with water cooled engine suitable rated matching BHP but not less than 594 BHP for driving 380 KVA (304 KW) capacity alternator, 1500 RPM , electric-start four stroke diesel engine confirming to ISO -3046/ BS- 5514 and IS 10001/10002 for continuous running and capable for taking 10% over load for one hour for every 12 hours with the following accessories:-

Cooling sytem

Heavy duty Radiator Cooled

Engine Mounted water pump

Thermostat

Coolant

Self contained piping

Fuel system

High pressure common rail fuel system

Spin on type fuel filter

Self contained piping

Lubrication System

Lube Oil pump

spin on type Lube Oil filter

Self contained piping

Air Intake system

Dry type replaceable paper element Air Filter

Air Intake Manifold with necessary connections

Turbo charger

Exhaust system

Exhaust Manifold

Flexible piping

Silencer Hospital Grade

Governing System

Power Command (PC) Microprocessor based Controller system

Starting System

DC starter

Battery Charging Alternator

Inbuilt regulator

Other System

Fly wheel with fly wheel housing

Any other items required for functional requirement as per OEM

ALTERNATOR : Alternator 380 KVA at 0.8 Power factor self regulated three phase 4 wire system with neutral, 415 volts, 50 Hz, 1500 RPM conforming to BS 2613 or BS 5000/IS-4722 complete with automatic voltage regulator to give rated output at NTP conditions. (i) The alternator shall be self excited, self regulated, self ventilated in brushless design, provided with suitable automatic voltage regulator and shall conform to BS 2613 or BS 5000. Alternator foot mounted fitted with ball or roller bearing including making cable connections. The alternator shall be suitable for tropical climatic condition of Kasauli. The excitation system consists of an electronic automatic regulator having very fast response to load changes. The silent features of alternator are:- (i) (+) or (-) 1% voltage regulation under static conditions. (ii) Class H insulation. (iii) Permanently lubricating bearing. (iv) 10% over load allowed for one hour for every 12 hour. (v) Copper winding with Star connection (all six leads shall be brought out of stator frame)

Control Panel with AMF Panel :- Control Panel shall be made of CRCA sheet of suitable gauge and powder coated for weather proof and long lasting finish. The control panel shall consist of the following features:- (i) Microprocessor based control panel for generator set monitoring, metering and control system with LCD display designed to meet the demands of engine driven DG sets having Digital AVR, electronic governing with temp compensation, start/stop, Engine Metering Oil pressure, coolant temp, battery voltage, engine speed and AC alternator metering L-L Voltage, L-N voltage, current, Volt-Ampere, frequency, fuel tank level indicator. Engine protection:- low lube oil pressure, High/Low coolant temp, over speed, battery over/under/waek volts fail to crank/start, sensor failure.AC alternator Protector:- over/under voltage, over/under frequency, over current, short circuit and loss of AC sensing and also having Data logging history of engine etc with protection against phase sequence, phase missing & earth fault tripping complete. (ii) Aluminium Bus Bar of Suitable rating with incommimg/ outgoing terminals. (iii) Indication Lamps for load ON and set Running. (iv) MCCBs of suitable rating with overload and short circuit protections. (v) Contactor of suitable rating with control wiring including all metering accessories complete.

ACOUSTIC ENCLOSURE : Floor mounted Accoustic enclosure (canopy) suitable for 380 KVA DG set as per CPCB norms of the same make as that of DG set to be provided with following provisions/ specifications:- (i) The accoustic enclosure is made from CRCA sheet of suitable gauge and specially designed to meet stringent CPCB norms of 75dBA @ 1Mtr at 75% load under free field condition. (ii) The sheet metal components are Hot dip not less than seven tank pretreatment process. (iii) It is purepolyster based powder coated(inside as well as outside). All nuts / bolts / hardware are zinc coated. (iv) Battery is accommodated in a tray inside the enclosure. (v) The doors are fitted with gasket with high quality EPON gasket to avoid leakage of sound. (vi) Sound proofing of enclosure is done with high density fire retardant PU foam conforming to IS 8183. (vii) Hospital Grade silencer shall be provided within enclosure to control exhaust noise. (viii) Adequate ventilation shall be provided to meet requirement for combustion and heat removal. If required a blower shall be used to meet total air requirement and air changes. (ix) Temperature of enclosure does not exceed beyond 50 degree C of ambient temperature. (x) Enclosure shall be provided with 'High enclosure temperature safety device'. (xi) There shall be provision of emergency shut down from outside the enclosure. (xii) There is arrangement of proper illumination inside the canopy. (xiii) Enclosure is provided Air inlet louvers,drains for lube oil/ fuel, fuel filling arrangement etc. (xiv) Two point for lifting for easy handling.

(i) Maintenance free sealed lead acid battery of appropiate AH and volts as per OEM recommendation along with all accessories along with battery lead copper, connector with in built trolley for battery. (ii) Starter motor (iii) Starter gearing (iv) Start/Stop push button (v) Invertor cum battery charger 500 VA capacity suitable to work on 230 volts 50 Hz AC supply system for charging of DG set batteries externally when DG set is in off position (vi) Alternator/Dynamo of suitable capacity to charge the battteries while DG set running complete with cut out all as per manufacturer's recommendation .

Daily services fuel tank in built type suitable for full load running of DG set for min 8 hours enclosed within the canopy all as per CPCB norms with level indicator inlet, outlet, drain plug, air vent and locking arrangement etc including fuel pipe connections etc complete.

Standard safety device and self starter having 12 volts DC

Heavy duty base frame of sturdy design made of MS stud with necessary reinforcement and lifting arrangements.

Sets of AVM pads between the engine alternator feet and the base frame as per OEM.

Exhaust system shall be provided with thermal insulation by using fire retardant / non igniting foam conforming to ISO 3046/ BS-5514 to prevent excess heat radiation on the engine and safety of operator including flexible coupling with guards. Note : Provide extension to the exhaust system from its outlet to an opening on the wall with proper insulation and opening on the wall should be prepared accordingly as directed by Engg-in-charge, if required.

Tools:- Following set of tools shall be provided alongwith DG Set and the cost of the same shall deemed to be included in the unit rate quoted for DG set:- (i) Set of DE spanner – 6 – 32 mm - 1 set (ii) Insulated cutting plier 250mm - 1 No (iii) Ring spanner 300mm - 1 No (iv) Screw driver set - 1 No (v) Ring spanner set (Ratchet type) – 6mm to 32mm - 1 Set of 10. (vii) Allen key set - 1 Set (1.5mm to 10mm) (viii) Cell tester - 1 No (ix) Hydrometer - 1 No (x) Tool box-01 No (xi) Rotary type fuel pump-01 No

Note:- (i) The engine of DG set shall be suitably designed to give output of 380 KVA at NTP including 10% overload. (ii) The quoted rate for DG set is inclusive of PCC foundation. The foundation for DG set shall be made of PCC as per OEM recommedations. The size of platform shall be as per manufacturers recommondations complete all as specified and directed. (iii) The DHPP (fuel) required for testing of DG set shall be arranged by the contractor and the cost of the same shall deemed to be included in the unit rate quoted for DG set. (iv) DG Set shall be composite type with Control panel, Prime mover, alternator and allied accesories in one enclosure.

Supply and laying passing through pipe testing and commissioning of 1100 Volts grade 'Heavy duty' PVC sheathed armoured cable LT, XLPE insulated aluminium conductor multi stranded served with inner sheating of PVC tape armored with galvanised steel wire or tape and overall PVC sheathed of size 400 Sq mm nominal cross sectional area 3.5 core confirming to IS specification, Laid in trenches/fixed on poles, walls or under floors etc complete all as specified and directed incl dismantling taking out unsv all as specified and direcetd.

Earthing complete with galvanised steel earth electrode plate of size 600x600x6mm thick, buried directly in ground(earth pit not less than 2.25m deep below normal ground level) with top edge of the plate not less than 1.50m below normal ground level, connected to galvanised iron earth strip 32x6mm up to test point with suitable GI nuts/bolts and brazed properly up to main board including earth pit in cement concrete 1:2:4 type B-1, precast RCC cover in 1:2:4 reinforced with expanded metal, with suitable handle, excavation and earth work in any type of soil and including medium grade GI watering pipe 20mm bore with funnel wire mesh and medium grade GI earth strip protection pipe 40mm bore up to main board complete as shown in electrical plate no 3 of MES schedule Part-I 2009, connected to earthing testing point including taking out existing unsv earthing complete all as specified and testing on completion complete all as specified and directed by Engr-in-charge. Note : The units rate includes the cost of excavation & earth work in any type of soil charcoal & salt in altemate layers, 20mm GI Pipe (light grade) for watering 40mm GI protection pipe (light grade) funnel wire mesh PCC chamber in PCC 1:3:6 type C-1 cast iron frame and 40mm thick RCC cover for pit etc & no extra payment will be made.

S&F HDPE (DWC) duct pipe 95 mm outer dia confirming to IS: 14930 (Part-II) of approved colour with all accessories, bends, joints, nuts, bolts, clamps etc fittings for cable protection complete all as specified and directed.

Excavation in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter in deep getting out in hard/dense soil for laying of cable/errection of poles etc complete all as specified and as directed.

Returning, filling in trenches including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick after laying of cable complete all as specified and directed.

Removing surplus excavated material (Soil) to a distance not exceeding 50 meter and depositing where directed at a level not exceeding 1.5 meter above the starting point complete all as specified and directed.

Disconnecting the electrical cable connections of existing 380 KVA DG Set along with panel and after dismantling carefully from P-2 W/S Installation and transport the same to the MES GE Kasauli office and deposit to the E/M salvage store.

Amount of credit of Rs. 5270.00 for retrived old material as mentioned in Schedule 'A' section-II of tender document in pdf form, will be deducted offline while acceptence of tender.

Natwadia Electrical Company

SHARMA ELECTRICAL ENGINEERS

R D Bansal

KHAJURIA ENGINEERS