Name of Work:- Supply, instalation, esting and commssioning of 400 KVA DG set for providing emergncy power supply to Examination Block-I Old Examination Halls and under graduate section building of Eamination wing including 05 years AMC at New University C us, Jammu. | Sl. No. | Item Description | |
| 1 | Earthing with Copper earth plate 600mm x 600mm x 3mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 meter long etc. with charcoal/coke and salt as required. | | 2 | Providing and fixing 4mm dia copper wire on surface or in recess for loop earthing as required. | | 3 | Supply, Installing, testing and commissioning of silent type Diesel Generating set as per CPCB IV+ or better norms along with having prime power rating of 400 kVA as below 415 volts at 1500 RPM, 0.8 lagging power factor at 415V suitable for 50 Hz, 3 Phase system and 0.85 load factor including Testing at Factory and site with fuel, Load for Test and other necessary arrangements complete as per CPWD specifications, should have QR code which should contain drawing, Testing reports, OEM manual, Geotag of manufacturing location rating Plate as per the relevent IS code etc and consisting of the followings:-a) Diesel Engine:- Terbo charged Diesel Engine water cooled, 4 stoke with Bore X Stoke = 130mm X 150mm or above inline multicylinder, dynamically balanced fly wheel, Electric start of suitable BHP not less than 500 at 1500 RPM for above output of alternator at 40 degree C, 50% RH at at 1000 Meter MSL capable of taking 10% over loading for one hour after 12 hours of continuous operation. The engine will be fitted with electronic governor, Dry type air filter with service indicator, first filling of engine fuel (after commissiong ) Lubricating oil, Coolant and other consumable complete with required accessories.The lubricating oil sump capacity should not be less than 40 and lub oil change period should be six month. The Electric Governor shall be as per ISO 8528. A-class. The engoine shall comply to the latest CPCV norms (CPCB iv + or better) and confirming to BS 5514, BS 649, IS 10000, IS 10002, IS 13018 and as per CPWD specifications. The DG set noise Level at 1meter shall be less than 75 db(A).Max. time to start the Engine from cold and attain speed and ready to take load should be 30 second. Suitable for 3 phase unbalance Loadb) Engine mounted instrument panel fitted with and having digital display for following:(i) Start-Stop Switch with key (ii) Water temperature indication (iii) Lubrication oil pressure indication (iv) Lubrication oil temperature indication(v) Battery charging indication (vi) RPM Indication (vii) Over Speed indication (viii) Low lub oil trip indication (ix)Engine hours indication x) Fuel Level indicatorc) Alternator:- Synchronous alternator rated at 400 kVA 415 volts at 1500 RPM, 3 Phase 50 Hz. AC with 0.8 lagging power factors at 40 degree C, 50% RH and at 1000 meter MSL. The alternator shall be having Screen Protected Drip Proof (SPDP) enclosure IP23, brushless continuous duty, self-ventilated, self cooled, self excited and self-regulated through Digital AVR conforming to IS:13364 part 2, IS 4722/BS 2613 suitable for tropical conditions and with class-H insulation capable of taking 10% over loading for one hour after 12 hours of continuous operation. The alternator should be design to withstand the unbalanced load up to 25%. The cooling system of Alternator is Air cooling. The Temperature rise of the armature winding and field winding should be less than 125 degree Celcius. The efficiency of the Alternator at 100% Max. continuous rating and rated P.F should not be Less than 94%. d) Base Frame and Foundation:-Both the engine and alternator shall be mounted on suitable base frame made of MS Channel with necessary reinforcement which shall be installed on suitable cement concrete foundation and vibration isolation arrangement as per recommendations of manufacturer.Including construction of suitable size of base platform atleast 18inch below Grounf Level and 12 inch above Ground Level in height for placing of Genset of M-10 Grade (1:3:6) 1Cement, 3Sand, 6(20mm) crushed course agg. including plastering the exposed surface in C:M 1:4. e) Fuel Tank:-Minimum Daily Service fuel tank of suitable capacity fabricated out of 3mm thick M.S Sheet complete with all standard accessories and fuel piping between fuel tank and diesel engine with MS Class ‘C’ pipes of suitable dia complete with valves, level indications and accessories as required as per specifications.The daily fuel service tank capacity should be 8 to 12 Hours of operation at 75% to 100% Load and not Less than 850 Ltrs. f) Exhaust System:- Dry exhaust manifold with hospital exhaust silencer and catalytic convertor provided with exhaust gas treatment system as per Latest CPCB iv + or better norms.g) Starting System:- 24V DC starting system comprising of starter motors: voltage regulator and arrangement for initial excitation complete with suitable Nos. of batteries, 180 AH capacity lead acid type as required as per specifications. The batteries shall be housed inside acoustic enclosure of DG set.h) Acoustic and weather proof enclosure with arrangement for fresh air intake for cooling of the engine and alternator, extraction, discharging hot air in to the atmosphere and the temperature rise inside the enclosure should be suitable for cable connection through bus trunking such arrangements on the acoustic enclosure should be water proof confirming to IP65 Protection. The enclosure shall be as per CPCB + or better. Norms etc and as per CPWD specification.The cost of DG set in inclusive of all the taxes applicable, contractor profit,overhead, Freight and Transit insurance etc. Make Engine:- Kirloskar Green, Cummins, Catterpiller. Mahindra or equvilant (Make Alternators:- Stamford, Leyroy sommers, Kirloskar Green, Mahindra, Ashok Leyland). or Approved Equivalent Reputed brand fulfilling the Technical specifications as per the technical specifications compliance sheet appended at Annexure-I and Specifications in BOQ. | | 4 | Annual Comprehensive Maintenance Contract for the above stated 400kVA DG sets for consecutive 5 year including two mandatory services after 500 hours of operation or after every six months in a year, whichever is earlier with all the consumable items repair and replacement of any part in the engine system, alternator system ,engine mounted panel system, exhaust system and starting system. The Job also include the preventing maintenance and breakdown maintenance of all the above stated system including the monthly check of all the consumable viz. fuel oil pipe, water coolant and to ensure that no leakage of consumables, repair and replacement of battery charging system and suitable rating battery as and when required, routine check-up of air cleaners, oil level and top up with clean engines oil if required, clean air filter for dust or any other foreign material, drain out residual/consideration from air receiver tank, check the water/coolant temperature, check the fuel tank leakage and repair the same if any, repair of canopy/locks etc. Rectification of all minor faults in the D.G system within 24 hours and major faults in minimum possible time. The comprehensive AMc also covers the Overhauling of Engine system, alternator system and starting system including the repair and the replacement of all parts in case of any minor or major breakdown within minimum possible time as and when required. The contractor is required to keep one Trained technician /Engineer available to attend any complaint of the user department as and when required during the contract period. Note :- The amount of comprehensive AMC will kept pending as additional performance Gurantee and shall be released at the end of each year during the contract period of 5 year insequal annual instalment repectivelly subject to the satisfactory cetificate from user deprtment after completion of each year maintenance. | | 5 | Supply & Laying of following size PVC insulated PVC sheathed aluminium conductor 1100 volts graded armoured cable including end termination, cost of thimbles, nuts, bolts clamp glades etc. connection, testing and commissioning including digging the trench where required and refilling back complete job. (Make Havells/Polycab/Plaza/Grandley)3 ½ core 300 Sq. mm.Note:- An amount of Rs. 150000/- as buyback cost of 200 KVA DG set (Kirloskar make) 19 year old with heavy running hour operation and in working condition shall be deducted from the bill of he sucessful contractor. Please Enable Macros to View BoQ information |
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