SPECIAL REPAIR/REPLACEMENT OF BER DG SET OF 125 KVA-02 NOS AT SUBSTATION NO 08 AND SUBSTATION NO 06 UNDER GE (W) COLABA, MUMBAI

Amount

Supplying, installing, testing & commissioning of factory assembled Diesel Engine DG set with auto failure system coupled with alternator, standard panel, acoustic enclosure & base frame ( Approved by CPCB-IV + Compliant and retrofittings of emission control devices (RECD) driven generating set, fully wired alternator AC to given as out put of 125 KVA contineously rating at a PF of 0.8 lagging, 415 volts AC 3 phase 4 wire 50Hz +/- 1% supply, 1500 rpm, 154 HP directly coupled with diesel engine water cooled mounted on common base frame complete with floor mounting fuel tank of adequate capacity with fuel line & accessories, PCC foundation work as per manufacturer's instructions, vibration damper pad, battery, coolent, inclinding testing of diesal & other accessories etc. comprising of the following:- (A) Diesel Engine: Turbo charged inter cooleed with after cooled to deliver suitable BHP at 1500 RPM under NTP conditions of confirming to ISO 3046, BS 5514 with an overload capacity of 10% for one hour in any 12 contineous hours operation with microprocessor based model with the following accessories:- a) Radiator with blower fan or heat exchanger with guard. b) Pipe coupling for engine cooling system piping. c) Corrosion inhibitor filters d) Paper element filters. (i) Fuel (ii) Lube oil(iii) By pass e) Fly wheel housing and fly wheel to suit alternator. f) Engine bearing mechanism in fly wheel house. g) Shut off coil with safeties for LLDP/HWT/Over speed. h) Dry type air cleaners and vaccum indicators. j) Residential silencers. k) Stainless steel exhust flexible bellows. l) Motor driven priming pump. m) Battery charging alternator. n) Exhaust piping made out of STIC 'C' class, MS pipe inclusive of all accessories and hardware, necessary support scaffolding as per OEMs recommendations to sustain back pressure with rain cap. o) First fill of oil, coolant and deisel during commissioning & 12 hours testing. p) Interconnecting copper cabling of adequate capacity between batteries control. q) Fuel pipe C class STIC 1"/1.5"/2" dia - 01 lot. r) Self starter 12/24 Volt DC. s) Electronic operated electronic governor. t) Fuel injection pump. u) Electronic instrument panel, (v) Built -in- battery charger (v) suitable size RCC foundation for DG and all type cable connection (w) Remote monitoring unit complete with all accessories as per manufacturer's specifications displaying the following - (i) Battery voltage (ii) Water/engine temperature (iii) Lubricating oil pressure (iv) Engine speed (v) Engine hours run (vi) Frequency (vii) Voltage W) Safety control (Trip & indication) (i) High water temperature (ii) Low tube oil pressure (iii) Overspeed stop X) Base Frame: Stu rdy, fabricated welded construction, channel iron base frame for mounting engine and alternator as per manufacturer's design alongwith AVM pads Y) Battery: Suitable capacity of battery approved by OEM maintenance free battery with leads and terminals. Z) Fuel tank: 8 hours full load diesel storage capacity fuel tank with mounting brackets factory made of 5mm thick HR/MS sheet with level indicator fuel inlet, fuel outlet, air vent, drain plug, inlet arrangement for diesel filling from exterior of canopy etc. complete aff as specified & directed. (B) Alternator: 125 KVA at 0.8 PF, 415 volts, 3 phase, 4 wire, 50Hz, at 1500 rpm, self excited & self regulated with AVR brushless excitation, screen protected, drip proof, insulation class H, IP-23, self ventilated & confirming to BS:5000/IS 4722 suitable for engine as mentioned here-in-before. (C ) Acoustic Enclosure:- M&L for acoustic enclosure for the above 125 KVA DG set to reduce noice level to 75 dB measured at 1.0 metre distance for audible frequencis as per guidelines of Central Pollution Control Board and Approved by CPCB-IV + Compliant and retrofittings of emission control devices (RECD) Manufacturer's specification from authorised OEMs of Gen Set manufacturer specified including inside illumination by 2 nos - 1x20 watt LED emergcy fittings and old DG Deposit in mes Store yard with transport complete all as specified and directed.

Supply, lay in trenches, floors, fix on wall/pole, passing through pipes etc. LT UG cable, 1100 volts grade, XLPE insulated, with multistranded aluminium conductors, armoured with galvanised steel wire or tape, gland, lugs etc of size 120 Sq.mm 3.5 core , confirming to IS specifications :-

All as per item No 2 above but of size 16 Sq.mm 4 core

M&L for earthing complete with galvanised steel earth plate electrode 60 Cm X 60 Cm X 6 mm buried directly in ground vertically to a depth not less than 2.25 mtr deep below ground level with top edge of earth plate at a depth not less than 1.5 m deep below normal ground level connected to galvanised earth lead wire 4.0 mm dia by means of bolts, check nuts and washers, galvanised steel and protected by GI pipe 15 mm bore light grade & connected to main switch board or main control board as directed and including concrete pit in PCC (1:3:6) type C1, precast RCC (1:2:4) type B1 cover slab 30 cm X 30 cmX 5 cm with 10mm dia TMT bars 8 cm C/c both ways and one handle for lifting made out of 8 mm dia TMT bar, funnel, wire mesh, 20mm bore galvanised iron pipe (medium grade) for watering, charcoal or coke and salt in alternative layers, necessary excavation and earth work in any type of soil and including necessary testing on completion all as shown in Electrical Plate No 3 of SSR part -I.

S&F GI strip 32 x 6 mm buried in ground all as specified and directed.

Supply and laying High density poly-ethylene pipes (HDPE) of pressure 6 kgf/Sqcm, 50mm dia for laying of cable protection to walls/ trenches/floor/ceilings all as specified and directed.

Supply and laying High density poly-ethylene pipes (HDPE) of pressure 6 kgf/Sqcm, 90mm dia for laying of cable protection to walls/ trenches/floor/ceilings all as specified and directed.

Excavation in trenches not exc 1.5m in depth and not exc 1.5m in width and getting out in soft/ loose soil for laying of cable all as specified and directed.

Returning, fillling in trenches, spreading, levelling, watering and well ramming in layers not exc 25cm thick all as specified and directed.

Removing excavated material/ surplus soil and depositing where directed at a distence not exc 50m at a level not exc 1.5 m above strting point all as specified and directed.

M&L PCC type B2 (1:2:4) using 40 mm graded crushed stone aggregate in foundation, filling and mass concrete as in motor foundation all as specified and directed.

Demolition of PCC of any description and in any position not otherwise specifically provided for all as specified and directed

M&L in repairs brick work with sub class 'B' bricks straight or curved on plan exc 6m mean radius built in CM 1:6 at various locations all as specified and directed.

M&L in repairs machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 with Grey Cement and no and pigment all as spcified and directed.

M&L for providing dry river sand as in sand cushioning to UG cable including punning gently complete all as specified and directed.

M&L for renderting 15 mm thick in CM 1:4 on fair faces of brick work or concrete surfaces all as specified and directed.

Sagar Electricals (BID ID -3320253)

NATIONAL ENGINEERING CORPORATION (BID ID -3327909)

SHRI SAI ENTERPRISES (BID ID -3316701)

AIRDOT ENGINEERING (BID ID -3320006)

N.S.ENTERPRISES (BID ID -3323784)

MONA GENERATOR SEVICES PVT. LTD. (BID ID -3327510)

DIVYA ELECTRIC CORPOORATION (BID ID -3319100)

Bidder Name

NATIONAL ENGINEERING CORPORATION

Sagar Electricals

SHRI SAI ENTERPRISES

DIVYA ELECTRIC CORPOORATION

MONA GENERATOR SEVICES PVT. LTD.

AIRDOT ENGINEERING

N.S.ENTERPRISES

Natwadia Electrical Company