SPECIAL REPAIR FOR RENEWAL AND REPLACEMENT OF DG SET AGAINST BER AT KHANABAL MILITARY STATION UNDER GE 861 EWS

Amount

Supply, installation, testing and commissioning of 58.5KVA liquid cooled silent diesel engine driven generating set comprising of water cooled Diesel Engine (CPCB-IV+) Norms compliance 1500 RPM, 3 phase, 415 Volts, 50 Hz 0.8 power factor @ 1500 RPM at an altitude of 6835 feet above MSL with Integrated control panel having meters, and sound proof canopy as per CPCB -IV+ norms of approved make as per OEM and with necessary foundation as recommended by OEM, mounted on common base plate with flexible coupling with and including of acoustic insulated chamber to maintain noise level as per CPCB -IV+ norms complete inbuilt with all accessories and totally enclosed type with silencer pipe protected with asbestos rope from engine to outside the building, 1.0 mtr and independently supported AVM pads, battery starter type, DG Set should be capable of operating in temperature range (-)15º to (+) 40º Celcius with and including the following :- Note : Cost of foudation of DG set as per manufacturer's size and specifications shall be deemed to be included in quoted rates.

(A) Diesel Driven Engine :- Diesel engine of suitable capacity 58.5 KVA, water cooled type closed, circuit as per BS-649 or IS-10002, direct injection type turbo charged, battery starting system having rated speed 1500 RPM. The DG Set shall be capable of running 24 hours continuously with 10% over loading for one hour in every 12 hours run as per BS- 5514/BS-649. Engine shall be equipped with all standard fittings as per manufacturer’s recommendation & mounted common plate through flexible coupling with following fittings :- (i) RPM cum hour meter. (ii) Battery charging ammeter. (iii) Ignition key and starting with button switch. (iv) Lubricating oil pressure gauge. (v) Mechanical / electric governor controlling. (vi) Oil temperature gauge. (vii) Safety control with tripping facility for the following :- (a) Low lubricant oil pressure. (b) Over speed. (c ) High water temprature.

(viii) Starting equipment comprising of following :- (a) Battery as per manufacturer's recommendation (b) Battery, charging alternator with inbuilt regulator. (c) Battery leads of copper cable of suitable size brass thimbles and terminals. (ix) AMF panel The DG set shall be provided with AMF panel of suitable 58.5 KVA by the contractor including all OEM fittings and accessories all as directed by GE. Note:The panel shall be designed as per the recommended OEM fitting including MCCB s and other electric fittings, complete all as specified and directed.

(D) Other fitting (a) Battery Charger - Battery charger having electric circuit consisting of triodes, rectifiers, capacitor and resistance etc. The battery charger should be able to charge the battery at all the time whenever electric supply given to battery charges through control panel or electric power point. (b) Fuel tank made up of MS Sheet of suitable capacity as per manufacturer’s instructions capable to store fuel for 12 hours running of DG set fixed as per manufacturer`s design and return fuel pipe with all pipes connecting upto fuel pump including oil level indicating gauge, drain plug for cleaning and air vent plug etc. (c) Accousite enclosure with natural air circulation without loss of any power for ventilation fan. The enclosure shall be modular in construction with hinge bolted structure to provide easy dismantling and shall be made out of high quality CRCA sheet steel of 1.6mm thick with sufficient accessories for maint work, open able and locable door with air tight rubber gasket, interior lighting arrangement.

Supply, laying, commissioning, testing of XLPE under ground LT cable 1100 volts grade of size 95 Sqmm 3.5 core armoured, PVC sheathed with aluminium conductor heavy duty laid in trenches, fixing on wall, under road crossing through protection pipe etc complete all as specified and directed.

Excavation in trenches not exceeding 1.5 m wide and n.exc. 1.5 m deep for foundation of poles/stay/cable etc including getting out in any type of soil complete all as specified and directed.

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

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

Sand cushioning to cable with dry fine sand in trenches 8 cm below the cable and 15cm above the cable after laying complete all as specified and directed. Note : Punned thickness will be measured for payment.

Bricks laid in trenches flat with width equal to length of brick for cable protection well burnt sub class 'B' laid across the cable complete all as specified and directed.

Supply, laying, jointing and testing in trenches, 100 mm galvanized iron water tubing medium grade (ISI marked) including provision of all necessary steel fittings/ accessories complete all as specified and directed

Supply, installation, testing and commissioning of CPRI approved LT distribution panel outdoor type of size minimum 100x80x160cm (length x width x height) or larger suitable size weather/vermin proof, made out of 3.15mm thick CRCA sheet duly powder coated, mounted on 65x65x6mm iron angle frame of height 45 cm from PCC bedding, factory assembled compartmentalized construction, free standing type, including 3 phase and neutral 400 amps current carrying capacity copper bus bar with epoxy insulated coating with colour code and insulated support, cable galleries inter connecting bus bar connection/linkage complete and conforming to IS 8623 and IP 54 class of protection as per IS 2147 complete, including making connection of cables of incoming and outgoing with thimble/lugs, including the accessories as below complete and mountig the panel on ground/floor with PCC(1:3:6) type C-1 (using 20mm graded crushed stone aggregate) bedding upto a height of 30 cm above ground level complete all as specified and directed and comprises of following accessories :-

(a) Copper bus bar 400 amps for 3 phase & neutral -1 set

(b) MCCB 4 pole, 250 Amps, 35 KA at 415 V -1 No ( incoming )

(c) MCCB 4 pole, 100 Amps, 25 KA at 415 V-1 No (outgoing)

(d) MCCB 4 pole, 63 Amps, 25 KA at 415 V -2 Nos (outgoing)

(e) MCCB 4 pole, 32 Amps, 25 KA at 415 V-3 Nos (outgoing)

(h) LED type indicator lamps(R<Y<B)-01 set

Supply and fixing on load change over switch 415V in sheet metal enclosure 4 pole of capacity 160 Amps, complete all as specified and directed.

Earthing complete with GI steel earth plate electrode 600x600x6mm burried directly in ground not less than 2.25 mtr deep below normal ground level with top edge of earth plate not less than 1.5mtr below normal ground level connected to the Galvanised iron strip 32x6 mm size by means of bolts, nuts, check nuts and washers of galvanised steel all as shown on electrical plate No 3 of MES Sch 2009 Part-I connected to earthing test point and testing on completion with and including necessary excavation and earthwork, earth electrode, earthing lead from electrode to eqpt/sub stn , adequated 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), 40mm thick cover reinforced with 8mm dia bar 4 Nos both way with 12mm dia round bar handle, GI light grade watering pipe 20mm bore with funnel and wiremesh and 15mm dia GI light grade earth lead protection pipe up to equipments max length 7.5 mtr complete all as specified and directed. Note:- On testing after completion if the desired resistenance is not obtained, the contrator shall redo the earthing without any extra cost to the department .

CHINAR CONSTRUCTION TRADERS (BID ID -3263579)

HARPAL ENGINEERS AND BUILDERS (BID ID -3265476)