SPECIAL REPAIR / REPLACEMENT OF BER E/M APPLIANCES AND DG SETS AT 7 AIR FORCE HOSP KANPUR CANTT

Amount

Supply, installation, testing and commissioning of silent, Diesel engine driven factory assembled, floor mounted generating set of capacity 62.5 KVA, 3 phase, 4 wire, 50 Hz, 440 Volts, 1500 RPM as per IS 10001/10002 complete with safety control and metering equipments mounted on & inducing common base frame on new PCC foundation as recommended by manufacturer all as specified and comprising the following :-

The following accessories described in subsequents points from A to E :-

(A) Prime Mover : Directly coupled diesel engine, water cooled suitably de-rata of matching BHP for driving 62.5 KVA capacity, alternator electric start, four stroke confirming lo Iciest IS-10001/10002 for continuous running and capable for taking 10% over load for 10 hours complete with following accessories:-

Heavy duty radiator

Radiator fan and fan drive

Fly wheel to suit flexible coupling

Thermostat controlled cooling system

Cooling water centrifugal/gear type pump

One number silences (residential type)

Rotary fuel injection pump

Spin on type fuel filter

Fuel pre filter

Lubrication oil pump with coolant

Spin on type lubrication oil fuel filter

Flexible coupling with guards

Standard air cleaner with replaced paper element

PT pump with electronic Governor of suitable capacity

Exhaust Manifold

12 Volt electrical system with engine starter motor and battery charging alternator.

Safety switches for high water temperature low lubrication of oil pressure and engine over speed

12 Volt stop solenoid energized to run

User hand book

Maintenance free battery of appropriate AH valve as per OEM recommendation -01 No along with battery lead copper and connector.

Battery mounting rack as per OEM recommendation -01 No made out of MS angle iron 40mm x 40 mm x 5 mm & 150 mm high

Daily services fuel tank for full running capacity of DG set for min 08 hours enclosed within the canopy all as per CPCB with lever indicator inlet, fuel outlet drain plug, air vent and locking arrangements etc including fuel pipe connections with connected GI pipe medium grade from fuel tank to DG set and over flow from the DG set to fuel tank complete with gate valve.

Standard safety device and self starter 24 Volts DC

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

Set of specially designed AVM pads between the engine alternator feet and the base frame

Exhaust system shall be provided with thermal insulation by using fire retardant/ non igniting foam conforming to IS 3046/BS-5514 to prevent excess heat radiation on the engine and safe for operator.

(B) Repair Tools : Following set of tools shall be provided alongwith DG set:- (i) Set of DE spanner- 6-32 mm - 01 Set (ii) Insulated cutting pliers 250 mm - 01 No (iii) Adjustable spanner 300 mm -01 No (iv) Screw driver 300 mm long -01 No (v) Screw driver 100 mm long-01 No (vi) Ring spanner set of 10-6 mm to 32 mm -01 Set (vii) Allen ket set - 01 Set (1.5 mm to 10 mm) (viii) Cell tester - 01 No (ix) Hydrometer -01 No (x) Tool Box -01 No

(C) ACOUSTIC ENCLOSURE : Floor mounted acoustic enclosure(canopy) suitable for 62.5 KVA DG Set as per CPCB norms of the make as that of DG set to be provided with following provisions/specifications :- (i) The enclosure fabricated out of 1.6 mm thick CRCA sheet suitable to accommodate the DG set properly. (ii) The sheet metal components are Hot dip seven tank pretreated. (iii) It is pure polyester based powder coated (inside as well as outside) all nuts/bolts hardware are zinc coated with salt spray test as per ASTMB-117. (iv) Battery is accommodated in a tray in the enclosure. (v) The doors are fitted with gasket with high quality EPON gasketed to avoid leakage of sound. (vi) Sound proofing of enclosure is done with high density fire retardant PU foam 50 mm thickness of density 32 kg /Cum in acoustic enclosure. (vii) Specially residential silencer is provided with enclosure to control exhaust noise. (viii) Specially designed alternators are provided to control sound at air entry to the container and exhaust from container. (ix) Adequate ventilation is provided to meet requirement for combustion and heat removal. If required a blower is used to meet total air requirement and air changes. (x) temperature of enclosure does not exceed beyond 50 degree C of ambient temperature.

CONTD……. (xi) The enclosure is provided with High enclosure temperature safety device. (xii) There is provision of emergency shut down from outside the enclosure. (xiii) There is arrangement of illumination inside the canopy. (xiv) Noise level is 75 DB (A) at 1 mtr distance. (xv) Approved by CPCB.

(D) Alternator :- The alternator shall be self excited, self regulated and foot mounted fitted with ball and or roller bearing including making cable connections. The alternator will be suitable for tropical climate. The excitation system consists of an electronic automatic regulator having very fast response to load changes. The salient features of alternator are:- (i) (+) or (-) 1% voltage regulation under static conditions (ii) Class H insulation (iii) Permanently lubricating bearing (iv) 10% over load allo0wed for one hour for every 12 Hour

(E) AMF CONTROL PANEL SUITABLE FOR 62.5 KVA DG SET : Supply, installation and testing of Automatic main failure panel mounted inside acoustic enclosure ( Microprocessor based AMF controller cum engine control unit with in-built timer, counters complete with accessories & relay), internal wiring with copper wire of suitable rating fabricated with 16 SWG CRCA sheet & its base frame made out of 50mmx50mmx6mm angle iron finished with powder coated paints and comprising with following :- (i) MCCBs & MCBs of suitable rating as per OEMs recommendations. (ii) Power contractors rating as per OEMs recommendations. (iii) Aluminium bus bar as per OEMs recommendation-01 Set (iv) SMPS battery charger-01 No Note: AMF panel shall be mounted inside the acoustic enclosure and shall installed by OEM of DG Set.

Notes: (i) The engine of DG set shall be suitable designed to suit the climatic condition of AF Stn Chakeri, Kanpur so as to give desired output including 10% over load. (ii) The quoted rate for DG set is inclusive of PCC foundation. The foundation for DG set should be made of PCC 1:2:4 type B-1 using 20 mm graded stone aggregate below the ground level minimum 300mm and 200mm above ground level platform and of suitable size as per manufacturers recommendations including mounting with suitable fastener/nut/bolts etc complete all as directed by Engineer-in-charge. (iii) The DG set shall be suitable for auto main failure function. (iv) AMF panel should be prefitted by OEM of DG set only. (v) The DHPP (fuel) required for testing of DG set is deemed to be included in above quoted rate. (vi) Phase-I test will be carried out by Engineer-in-charge for no load and 100 load for 1 hour each and Phase-II test will be carried out in presence of IEM/EI for no load,25%, 50%, 75%, 100% for 11 hours and 110% for 1 Hour over load. (vii) DG Set 62.5 KVA shall be composite type with AMF panel, prime mover, canopy and alternator and allied accessories inbuilt in one enclosure.

Supply and replacement of unserviceable XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured electric power cable heavy duty with aluminium conductor 1100 volts grade cross sectional 120 sqmm, 3.5 core, laid in trenches/ducts /encased in GI pipe /fixed to pole including taking out of existing unserviceable cable/OH conductor complete all as specified and directed.

Excavation in trenches n.exc. 1.5 m wide and n.exc.1.5m in depth for laying of XLPE insulated Cable including getting out all as specified & directed by Engr-in-Charge.

Returning filling in including spreading, leveling, watering and well ramming in layers not exceeding 25 cm complete all as specified and directed.

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

M&L for spreading & leveling dry clean Ganga sand in trenches for cushioning UG cable complete all as specified and directed.

M&L for sub class old size of Brick in trenches for cable protection of LT Cables complete all as specified and directed.

S&F of 80 mm nominal bore light grade galvanised mild steel tubing with all fittings and fixed to poles / walls with mild steel clamps, bolts, nuts and washers complete all as specified and directed.

M& L for earthing complete with galvanized steel earth plate electrode 60cm x60 cm x 6.0 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 1.50 meter below normal ground level connected to galvanized earth lead strip 32x6mm dia by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No.5 connected to earthing test point all as specified or indicated including testing on completion including PCC pit in (1:3:6) type C-1 using 20 mm graded stone aggregate cement concrete and RCC 1:2:4 Mix type B1 reinforced with 6mm dia MS bars @ 150mm RCC cover slab 40mm thick with two no’s fitting handle, GI pipe 20mm dia light grade with funnel & wire mesh for watering and 40mm dia light grade GI pipe for earth strip 32x6mm protection etc. complete all as specified and directed by Engr-in-Charge.

S & F ceiling fans complete with electronic type regulator and accessories 230V, 1200 mm sweep. BEE 5 star rated complete all as specified and directed.

DUBEY TRADERS AND ENGINEERS

M/S Indian Cooling Service

U K Enterprises

commercial construction

BRITE INDUSTRIES

G S SANDHU & CO.

SS BUILDERS