SPECIAL REPAIR FOR REPLACEMENT OF BER DG SET, TRANSFORMER AND NON CLOG PUMPING SET AT MILITARY STATION GANDHINAGAR

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Supply, installation, testing and commissioning including transportation at site of OEM manufactured static silent (Sount proof enclosure) TROLLEY MOUNTED diesel engine driven Generator Set capacity of 58.5 KVA water cooled, 415 volts (AC 3 phase 4 wire system of supply) 50 Hz at power factor 0.8, minimum, 12 DC electrical starting system. The DG Set shall consist of diesel engine coupled to a matching alternator through flexible coupling and mounted on common based frame and complete with control panel standardized by manufacture, fuel tank with mounting arrangement and inlet outlet return inlet oil arrangement exhaust pipe complete and suitable for condition (capacity of engine alternator shall be worked out taking all derating factors into consideration) and vibration parts including all features to complete with latest CPCB IV guideline and comprising of following :- (a) Engine (Prime mover). Diesel engine 58.5 KVA direct injection, type four stroke conforming to IS 3046/ BS 5514, water cooled, naturally turbo changed, capable of giving adequate BHP to drive laternator capable of delivering 58.5 KVA at outdoor atmospheric conditions. (Taking all derating factor into consideration), 240 volts (As per manufacture recommendatoin) electric battery start with suitable battery, complete with fly wheel all standard fittings/ fixtures as per manufacturer and including suitable panel with techometer lubricant oil, temperature, pressure guage and frequency meter and also including self starter system, dynamo, fuel electric control panel with electronic governor (ECPG) and engine protection system (shut down, high water temperature, low lubricant oil, oil pressure, over speed etc) fuel tank and first fill of lubricant oil and other consumables etc. (b) Alternator. Brushless AC alternator, 3 phase, 415 Volts, 4 wire, rated for output of 58.5 KVA, minimum power factor 0.8, 1500 RPM, IP-23 protection class enclosure, induction class 'H' sailent pole, revolving field single bearing automatic voltage regulator coupled through flexible coupling with and to match above engine. (c) Base Plate. Made out of structural steel as per manufacturer recommended designs/ specification. (d) IP 23 enclosure with Class H insulation.

Supply, install, testing and commissioning including transportation at site, transformer of Energy efficient level-2, step down outdoor ONAN type copper wound of capacity 200 KVA, 11 KV on HT side and 433 Volt on LT side at no load, 3 phase 4 wire, 50 Hz, AC supply oil immersed, laminated iron core naturally cooled with external cooling tubes, delta connected on HT side and star connected on LT side, corresponding to vector group DYN- II with neutral brought out separately for earthing, off load tap changing arrangements on HT side to vary secondary voltage +7.5% in steps of + 2.5%, with and including cable box on HV and LV side complete on and including stone masonry platform of size 2 m x 2 m x 2 m with appropriate foundation plastered all over top laid with 100mm PCC 1:2:4 finished even and smooth and applied black synthetic enamel paint two coats over priming coat all over with first filling of transformer oil upto appropriate level conforming to IS complete as per manufacturer recommendation complete with standard fittings conforming to latest edition of IS-1180 (part-I)-2014 and mainly comprising of ECBC norms or latest IS complete all as specified and directed including following accesories all as specified and directed by Engineer-in-Charge. (a) One cable box HV side consisting of 3 Nos porcelain terminal points including nuts and washer with two Nos cable gland suitable for upto 3 core 120 sqmm HT UG cable. (b) Suitable cable box LV side for mounting two LV cable consisting of 4 Nos porcelain with brass bushing rods, complete with nuts and washer with two nos cable gland suitable for LT UG cable providing with bimettalic lugs. (c) Oil conservator with filler type drain valve and oil level gauge. (d) Dehydrating breather with first fill of dehydrating agent. (e) Explosion vents. (f) Thermometer pocket on tank cover incl thermometer. (g) Rating plate and terminal marking plate. (h) The earthing terminal two nos to tank to faciliate fixing to earth strip. (i) Oil level gauge.

(j) Lifting lugs (k) Oil filling hole with cap/ plug with connection plate complete. (l) Air relief valve plug. (m) four plan solid cast steel detachable roller for transformer (n) 01 No 100mm dia dial type thermometer vapour pressure type having range 0-120 degree centigrade (o) All other items as specified under particular specification.

Supply, installation, commissioning of Non clog vertical submersible pumps 10 HP and 25 meter Head with chrome steel impeller Stainless Steel Volute, Shaft, Impeller, Outlet and Hardware for maximum corrosion resistance, Tandem Tungsten Carbide/ Tungsten Carbide and Tungsten Carbide/ Tungsten Carbide mechanical seals, Mechanical Seals in wholly enclosed pressure compensated oil chamber, Built-in Automatic ON/ OFF/ ON thermal overload switches protect the motor. Thermal Protectors wired directly to built-in contactor for maximum reliability, Replaceable Nitrile Rubber-lined Wear Plate Optimizes efficiency throughout the life of the pump, Equipped with moisture sensor that detects progressive seal wear and automatically shuts down the pump. Motor: 2-pole induction continuous rated motor with squirrel cage rotor submersible type induction Stator Insulation Class: H Protection: IP-68/ Thermal Overload/ Moisture Cable: PVC Insulated Double Sheathed Copper Conductor Flexible including guide rail fixing and lifting chain, cables, testing complete with 2 years maintenance complete all as specified and as directed by Engr-in-Charge.

ARTI CONSTRUCTION (BID ID -3243467)

MONA GENERATOR SEVICES PVT. LTD. (BID ID -3238057)

BK CONSTRUCTION (BID ID -3236856)

M/S K K ENTERPRISES (BID ID -3237030)