HIDCO/GM (Elec)_eNIT-22/2021-22

Amount

Supply & insttallation of 750 KVA silent DG set developing 1069BHP coupled to 750 KVA, 415V alternator mounted on a common base frame, complete with. (a) ENGINE DETAILS : i) Rating in KVA - 750 ii) Overload - 10% for 1 hour in every 12 hours. iii) RPM - 1500 iv) Engine BHP - 1069 v) Site output in KVA - 750 vi) No of silencer - 2 vii) Cooling system - Radiator cooled viii) Silencer Type - Hospital Grade (b) STARTING SYSTEM : i) Type of starting System - Battery Starting system (Electric) ii) Battery Make : cummins pulselite/ equivalant iii) Battery Voltage - 12V iv) Number of Battery - 2 Nos. v) AH Capacity - 140-160 AH (c) FUEL OIL SYSTEM : i) Fuel consumption @ 75% load* - 120-130 Ltr./hr. ii) Fuel consumption @ 100% load* - 150-170 Ltr./hr. iii) Fuel Tank capacity - 900-1000 Ltr. (Outside) iv) Fuel Tank Thickness & MOC - 2-3mm (d) LUBE OIL SYSTEM : i) Lube oil Sump Capacity - 130 140 Ltr. (e) ALTERNATOR DETAILi) Rating in KVA - 750 ii) Site output in KVA - 750 iii) Voltage - 415 iv) Power Factor - 0.8 Lag v) Wire - 3 Phase 4 wire vi) Insulation Class - Class H vii) Temperature Rise limited to : Class H viii) Excitation system: Separately - Excited ix) Frequency : 50 Hz x) Degree of Protection : IP:23 xi) Voltage Variation : +/- 5% xii) Voltage Regulation : +/- 1% (f) DG SET DETAILS : i) Mounted Type : AVM Pad Load side terminal box with AL extended bus bar. Supply & fixing of AMF Panel suittable for 750 KVA DG set mentioned below: i) DG Incomer - 750 KVA. ii) 1250A ONLOAD Changeover Switch iii) 1250A 3P EDO ACB with O/L, S/C, E/F with Microprocessor Based Protection Release +U/V Release iv) Breaker Control Switch, 25A v) 225A TV Power contactor vi) Restricted Earth Fault Relay vii) Protection CT 1200 /1A, CL-PS viii) Digital Multifunction Meter, Acc. Class - 1 ix) 1200/5A Metering CT 15 VA, Accuracy CL-1.0 x) Diesel Level indicator xi) Temperature Scanner 8 Channel xii) Indicating Light xiii) Push Button xiv) Emergency Stop Push Button (Stayput Type) xv) Auto / Manual Test Off Sel. Switch 3P, 3 Way+ off xvi) Cranking Relay, 2 C/O, 24V DC, 16A xvii) Control Fuse xviii) Aux. Contactor xix) Voltage Monitoring Relay, 415V AC xx) Hooter, 96 sq.mm., Electronic Tupe, 24V DC xxi) 6W, Annuciator with T/A/R/ Push Button with Hooter Contact, 24V DC xxii) Trickle Cum Boost Battery Charger, 24V DC, 230V AC xxiii) On Delay Timer a) MAIN'S INCOMER: i) 1250A 4P EDO ACB with O/L, S/C, E/F with Microprocessor Based protection Release ii) Breaker Control Switch, 25A iii) Indicating Light iv) Aux. Contactor v) Control Fuse vi) Voltage Monitoring Relay, 415V AC c) OUTGOING: i) 1250 Amp 4 Pole MCCB 50 KA d) BUSBAR: i) 3 Pole 1500 Amp 1.3) Illumination Panel 1.4) 12V, 180Ah battery Exide make 1.5) Load testing of assembled DG set at our manufactures works for load trial of 13 Hours. 1.6) Additional price for RTD, BTD & Space Heater MAKE: CUMMINS/VOLVO/CATROPILLAR

EXHAUST SYSTEM : Supply & Installation of exhaust piping of following sizes MS B Class exhaust pipes conforming to IS:3589 with welding joint including bends, clamps, dash fastener, flanges, nuts, bolts, etc. complete as required and as per specifications detailed below: a) 8" dia (200mm NB), MS, 4.85mm thick plate, Exhause pipe.

b) 12" dia (300mm NB), MS, 4.85mm thick plate, Exhause pipe.

Supply & Installation of of 50 - 75 mm thick glasswool / mineral wool, wire chicken mesh over injsulation and 26 guage aluminium sheet cladding over the following sizes exhaust pipes from silencer to atmosphere. a) 8" dia (200mm NB), MS, 4.85mm thick plate, Exhause pipe.

b) 12" dia (300mm NB), MS, 4.85mm thick plate, Exhause pipe.

Supply and installation of Aluminium cladding for residential silencers with Mineral Wool 50mm Thick, density 64 Kg / cu.mtr. wire mesh and 24 guage aluminium cladding.

Supply and instllation of SS Flexible Bellows, 8" dia (200mm NB), complete with counter flanges, heat resistant gaskets, nuts-bolts-washers etc., complete as required.

Supply and installation of MS self support structure the MS structure will be duly coated with two coats of red oxide primer and two coats of enamel paint. The colour shade of final paint will be as decided by the client.

POWER CABLING: i) 3.5C x 300 sq.mm., 3 runs, PVC insulated XLPE, 1.1 KV grade Aluminium armoured type cable (considering panel placed at a distance of 20 mtrs.)

ii) Cable termination kit for 3.5 C x 400 sq.mm. power cable

CONTROL CABLES: Supply & laying of Power & Control Cables (a) i) 24C x 2.5 sq.mm. CU armoured Control Cable

ii) 4C x 2.5 sq.mm. CU armoured Control Cable

iii) 2C x 2.5 sq.mm. CU armoured Control Cable

iv) 2C x 4 sq.mm. CU armoured Control Cable

v) 3C x 6 sq.mm. CU armoured Control Cable

(b) Providing & Fixing of Cables End Termination for following size of cables. i) 24C x 2.5 sq.mm. CU armoured Control Cable

ii) 4C x 2.5 sq.mm. CU armoured Control Cable

iii) 2C x 2.5 sq.mm. CU armoured Control Cable

iv) 2C x 4 sq.mm. CU armoured Control Cable

v) 3C x 6 sq.mm. CU armoured Control Cable

FUEL PIPING : i) 990 liltres fuel shall be fabricated with 3mm thick MS sheet

ii) Supply and installation of MS Class C Pipe 25mm (Considering DG set to be placed at a ditance of 5-6 mtr.)

iii) Supply and fixing of set of Fuel Pipe fittings like bends, flanges, valves, tee, elbows, etc.

11/0.433 KV 630KVA OUTDOOR COMPACT SUBSTATION STRUCTURE Outdoor type enclosure having modular construction of 1.6/2.0 mm CR sheet steel. The enclosure shall have IP54 degree of protection for HT & LT compartment & IP23 degree of protection for Transformer compartment. The enclosure exterior shall be painted with epoxy based powder coated paint ( colour RAL 7032 ). The bottom base frame shall be welded and black painted Channel structure with lifting arrangement for the completely assembled CSS. Each compartment is provided with door and pad locking arrangement. The Compartment illumination lamp with door operated switch shall be provided for each compartment. The Transformer compartment is provided with Limit switch to trip the HT Switchgear, in case the Transformer compartment door is inadvertently opened in LIVE condition. HT SECTION- SF6 Insulated Ring Main Unit RMU (SF6 gas insulated ): Sheet steel enclosed, free standing, indoor mounted, 11 kV,630A, 21kA/3s, 1 WAY Non - extensible RMU, consisting of One no. direct connection of Incoming supply cable upto 300sq mm and one no. VCB( Manually charging & closing), Self Powered Relay 3 O/C +1 E/F Relay type CSPR-V5 C&S Make , mechanical ON/OFF indicator, trip coil , Emergency Trip PB, live cable indicator, mechanical interlocks, pad locking facility, SF6 gas manometer, cable boots, 3 nos. CTs with Ratio - 30/60/1A, Cl: 5P10, 2.5 VA for protection Cable connection arrangement from outgoing of HT section to primary of Transformer by 11kV (E) XLPE unarmored 1C x 95sq.mm. Aluminium cable per phase along with heat shrink cable kit. TRANSFORMER SECTION 630KVA , 11/0.433KV DYn11 Cast resin dry type transformer with Off circuit tap link having tapping range of +5% to -5% in steps of 2.5%, Z% : 4% (IST) with NLL at rated voltage & freq : 1.0 KW (IST) and LL at 75 Deg. C & at Principal tap : 4.0 KW (IST), Class F insulation , temp rise : 90 Deg C , 3nos. Surge Voltage arrestors 9kV 5kA polymeric make Asiatic make/ Eq, 1 no. Digital WTI with Alarm & Trip contacts. LT SECTION 1000A Aluminium PVC sleeved Busbar from transformer Secondary to LT Section ( 100% for phase & 50% for N, Current density - 1A/ sq mm) Main Incoming cum Outgoing 1000A 4Pole ACB, 50 KA Microprocessor based release for o/c and s/c as ICOG 630 KVA,50 Hz.11/0.433 KV. Compact Substation with all accessories complete. MAKE - Siemens/ABB/Schnider *****NOTE: Liason & paper processing & layout diagram & towards testing & supervision of total Electrical installation work & submitting TEST report to D.O.E. & WBSEDCL office. High pressure test of all equipments & cable insulators by the authorised concern of Directorate of Electricity for getting approval from D.O.E for getting installation approval from D.O.E. Govt. of W.B. must be submitted after Execution Above work which cost is included in above BOQ.

Cost Of RCC foundation aloing with excavation and earth filling

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below: By TATA-Medium GI pip

Connecting the equipments body to earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc

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