Vertical extension of the existing Hostel Building from 4th floor to 7th floor at West Bengal Judicial Academy New Town, Kolkata-700160--SITC of 500 KVA Silent DG set CPCB IV plus COMPLIANCE.

Amount

Supply , delivery at site on foundation , commissioning of 500 -KVA, 415V, 50Hz, 3Ø silent new DG Set, comprising of Engine, alternator, separate AMF panel from the same manufacturer,Base frame, Fuel tank, Battery, CPCB-IV+ approved Engine & Acoustic Enclosure having following specifications :- ENGINE (Make: Cummins/CATTERPILLAR/VOLVO/Greaves/Koel Green) Engine Type: 4 stroke Diesel Engine; R.P.M: 1500; Rated Output:594 BHP or Higher , Duty:Continuous; Cooling: Liquid Cooled ; Cylinder: Minimum 6; Aspiration: Turbo charged; Type of Governer: Electronic injection system; Fuel Tank capacity: Minimum capacity 745 Liters Diesel Tank; Fuel Cosumption at 75% rated load with radiator or Fan: 79.83 Ltr./ Hr. or Less; Fuel Cosumption at 100% rated load with radiator or Fan: 103.64 Ltr./ Hr. or Less; Overload capacity: 10% overload for one hour for every 12 hours continuous running at full load or better. Engine Instrument panel: Consisting of indicating lamps for "Load on" and "Set running", MCCB with over load and short circuit protections, remote start & stop, Engine metering: Oil Pressure, Coolant Temperature, Battery Voltage, Engine Speed, Alternator metering: L-L Voltage, L-N Voltage, Current & Frequency; Safety Controls: Engine Protection: Low Lub Oil Pressure, High/Low Coolant Temperature, Over Speed, Battery Over/Under/Weak Volts, Failed to start/crank, Sensor Failure. Alternator Protection: Over/Under Voltage, Over/Under Frequency, Over Current, Short Circuit. Exhaust Silencer: Hospital Grade Silencer suitably optimised to meet stringent noise emmission standards laid down by CPCB IV+. Starting Sytem: 12V/24V starting system complete with starter motor, charging alternotor with rectifier and Cut out as per manufacturer standard. Battery: Lead acid, Low maintenace or SMF and confiring to relevant IS specfication with Low/High Battery voltage and weak battery warning. ALTERNATOR: (Make: Stamford/Leroy Somer / Kirloskar Green ) Rating: 415V, 3Phase 50 HZ, 500 KVA, 1500 rpm; Type: Brushless self excited and self regulated. Insulation: Class H; Protection: Sceen protected drip proof with Min IP 23 degree of protection. RPM: 1500; Rated Current: 695 A, Volatge Regulation (max): ± 1%; Winding Connection: Star with Neutral; Total Distortion Factor: Less than 3%; Total Harmonic Distortion in output wave form at linear balanced load AC wave form: <5%,Power Factor : 0.8 pf (lag) ACOUSTIC ENCLOSURE: The DG set should have intregrated accoustic enclosure at the manufacturing state itself High quality acoustict enclosure must be certified as per CPCB IV+ norms.

Supply & Fixing of exhaust gas piping of suitable dia welded black 250mm dia MS class B pipe incl all necessary bend supports and clamps, anti vibration mounting insulation of exhaust system with 50mm thick mineral wool covered with wire mesh and aluminium cladding incl.making scaffolding arrangement by bamboo, coir rope etc. for smooth working and lifting of MS black pipe for vertical installation including dismantling of scaffolding arrangement after completion of work.(from DG sets to top of the building plus 3 meter or as per CPCB IV+) for 500 KVA DG set as per direction of EIC

S&F of 12'' MS rain protection canopy.

Making special type brick foundation & plastering with neat cement finishing for 415V., 3 phase, 4 wire AMF panel including S & F suitable of MS angle / channel with nuts, bolts & washers etc. as per direction of the EIC. (For 500 KVA DG AMF panel)

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts.long and 1 No. 50 mm x 6 mm galvanized (Hot Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt,double nuts, double washers including finishing both ends by making holes etc. and S & F 65 mm dia GI pipe (ISI-Medium)protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts

Extra for treatment of soil by using salt & charcoal or coke for pipe electrode for neutral earth.

Supply & fixing black PVC heat shrink sleeve for covering the 50 x 6 mm. GI flat.

Extra connecting the neutral of DG to earth electrode including S&F 50mmx6mm Galvanized(Hot Dip) steel strip on wall/floor with GI saddles & insulating the same by one layer of PVC strip over one layer of ampere tape.

Cutting RCC floor by special tools & tackles very carefully without any damaging and removing the shifted rubbish & levelling up and restoring the surface for 4 nos. earth-pit as per direction of EIC.

Supply & laying of 1.1 KV grade 19 core 2.5 sq.mm. PVC /Armoured copper conductor control cable partly recessed and partly by shaddle on wall to interconnect DG set with AMF panel.

Supply & laying 1 x 150 sq. mm. single core flexible copper wire in suitable size PVC pipe (40mm dia reinforced) on wall / floor from neutral earth bus to DG set neutral point including both side socketing.

S & F compression type PVC gland for 40 mm dia reinforced pipe.

S & F compression type brass cable gland suitable for 19 core 2.5 sq. mm. PVC/A copper cable.

S&F 415V,800A,4Pole microprocessor based MCCB having breaking capacity 50kA in sheet steal enclosure having cable end box on wall as per direction of EIC.(Make-L&T-DN4-1250N, Cat.No. CM96111OOOOX1)/Legrand/ABB/Siemens ).

S&F 415V,800A, Open execution type Changeover switch on existing panel as per direction of EIC.(Make-L&T-CO5-800 Cat.No. CK90169BOOO /Legrand/ABB/Siemens as per direction of EIC ).

Supply & Laying of 1.1 KV Grade XLPE/PVC insulated, PVC sheathed, steel Armoured Al. conductor Cable of the following size, and conforming to IS: 7098 (Part-I):1988 as amended upto date, in respect of component materials and tests, and as per the approved makes list attached herewith: [Make: Polycab / Gloster / RR Kabel/ KEI] a)1X4 core 300 sqmm in underground trench mending good damages and painting. (From substation LT panel to AMF Panel )

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE armoured cables as below : a) 4 core 300 sq mm XLPE Al Ar cable

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials : b) 4 core 300 sq mm XLPE Al /Ar cable

S&F earth busbar of galvanized (Hot Dip MS flat 50 mm x 6 mm on wall incl clearance 6 mm from wall incl. providing drilled 8 nos holes on the busbar complete with G.I. bolts nuts etc as per GS.

Straight through Jointing of cable of different size by compound jointing kit including S&F ferrul, tapes and jointing materials (Brand approved by EIC)- 3½ / 4 core 300 sqmm Al.cable

Digging of soil and lifting of existing 3.5 core cable from under ground trench carefully as per direction of EIC.

Relaying the same in existing masonary trench as per direction of EIC.

C. CHOWDHURY & CO. (BID ID -6347775)

JAYBEECO (BID ID -6361366)

M/S. N.C. HORE (BID ID -6342207)

NARAYAN CHANDRA DAS (BID ID -6365172)

AMAZE POWER (BID ID -6329076)

THE INDIAN OVERSEAS TRADING COMPANY (BID ID -6366724)