Electrification of kaloor market building at GCDA,ernakulam- second phase -general electrical work

Amount

Electrification

SUPPLY &amp Installation of D. G SET Supply, Conveyance, Installation, Testing and commissioning of 50 KVA DG set as per technical details given below. "Engine Cummins/ Ashok Leyland/Caterpillar/ " Type of Engine- Diesel engine "No.of cylinder - Suitable for develop the required BHP as per manufacturers standards" "Method of cooling - Water cooling with ( radiator ) " Aspiration - Turbo charged after cooled " Output- Above rate at 1500 rpm Under NTP conditions " Standard Accessories with Diesel Engine. Flywheel to suit coupling. Close coupled using single bearing alternator. Air - cleaner. Coolant for radiator. Fuel pump. Electronic/Mechanical governor Fuel filter. Lubricating oil filter. Residential type Exhaust silancer. Engine Instrument. Panel. Starting switch key or button. Lubricating oil temperature gauge. Lubricating oil pressure gauge. Water temperature gauge. RPM indication with Hour meter. Battery charging Ammeter. Safety control for Engine. Battery control for low lubricating oil pressure Battery control for high water temperature. Over speed through frequency monitoring. Preceding necessary warning system and other safeties as contemplated in relevant ISS. Alternator. "Make Cummins/KEL/ Leyland/ Crompton Greaves . Stamford “Type - Self Excited. Capacity - 50 KVA - 40 KW at 0.8 p.f. System voltage - 3phase 415 V, 50 hz. Speed - 1500 rpm . Voltage regulation - +_ 1.5 % of rated voltage. Installation class-- F/H . The alternator should confirm to IS 4722. Acoustic Enclosure. Company fabricated integral type acoustic enclosure(75 db at 1 mtr distance under free field conditions) Fuel Tank Integral fuel tank to store fuel for 8 hour capacity with all standard fillings and accessories and with fuel level gauge. Battery Required number of suitably rated fully charged battery with leads and terminals as required as per manufactures requirements with mounting bracket. Standard control panel 100A, 25 kA, 3 pole MCCB (or suitable rating ) KWH meter with suitably rated Digital type Ammeter with suitably Digital type multifunction meter for reading electrical parameters such as PF, KVA, Frequency, voltage etc. LED type phase indication lamp for indicating the presence of supply on all phases and to indicate status of load. Fuse protection shall be provided for the meters. Operation manual, service manual, list of spares etc. shall be submitted while theD.G set is supplied. Operation manual, service manual, list of spares etc. shall be submitted while theD.G set is supplied. The DG set shall be guaranteed for one year from the date of commissioning from any defects in manufacturing. Any of the spares / components which are found to be defective during this period shall be replaced immediately at free of cost.

5.14 Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required.

5.15 Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

2.15.2 Supplying and fixing following rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current upto 300 milliamperes in the existing MCB DB complete with connections, testing and commissioning etc. as required.40 amps

90.12.5.2 Supply & laying of one number PVC insulated and PVC sheathed armoured aluminium power cable of 1.1KV grade of the following sizes in the existing RCC/ HUME / STONE WARE/ GI/ DWC pipe as required.2 core 6 sq mm

90.12.5.39 Supply & laying of one number PVC insulated and PVC sheathed armoured aluminium power cable of 1.1KV grade of the following sizes in the existing RCC/ HUME / STONE WARE/ GI/ DWC pipe as required.4 core 6 sq mm

90.12.7.2 Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.2 core 6 sq mm with factory made clamp

90.12.10.2 Supply & laying of DWC pipe in ordinary soil 0.75m below ground level including excavation50/38 mm or nearest size

9 90.14.5 Supply and fabrication conveyance and installation of angle iron frame work for wall mounting panel board

OD369682/2023-2024 "CLADDING FOR EXHAUST SYSTEM. Supply and providing cladding for the 100mm dia/nearest size exhaust pipe of the 50KVA DG set by wrapping 50mm mineral wool around the pipe, fixing it firmly with in the pipe using chicken mesh, applying over all coating to the system using 0.40mm thick aluminium sheet and make it air tight to ensure sound and thermal proof to the system

OD369683/2023-2024 "EXTENSION OF EXHAUST PIPE Supply and providing the following size of B class MS pipe conforming to relevant IS specifications complete with heavy guage specials such as bends, flanges etc welded and fixed at appropriate locations, providing cork sheet in between the flanges at the joints, bolting the flanges together, painting the pipe, flange etc with 2 coats of heat resistant paint suitable for outdoor applications, fixing the pipe firmly with fabricated structure/wall/any other mechanical support etc as required. 100mm dia

5.4 Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

5.9 Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required.(Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)

OD371080/2023-2024 Supply of HSD for testing of the DG set

OD371380/2023-2024 Supply and providing 5 Kg. Dry Chemical Powder type Fire Extinguisher with hose and clamps including fixing it to wall as required.

OD371381/2023-2024 Painting letters or figures of 2.5/4 cm sizes with enamel paint as identification mark to SB, DB, panel board etc as required

OD371382/2023-2024 Supply and providing First Aid Chart duly framed and placed in a conspicuous location for clear vision.

OD371383/2023-2024 Supply and providing 9 Litre capacity GI Fire Bucket painted in post office red with primer coat of red oxide and written with white paint 'FIRE' mounted on MS angle frame work/ wall bracket filled with fine sand, painting the bracket/ floor stand including making good the damages, colour washing etc. as required.

OD371384/2023-2024 Supply and providing 2.5mm thick Elastomeric fire retardent insulating mat as per IS 15652/2006 to withstand 11 KV dielectric strength.

Biju E.M