Running operation and maintenance of 2000 MT capacity multipurpose cold storage at Kumarghat under Unakoti District for the 2026

Cold Store

Providing of unskilled worker (cleaner) for pre-operative and post shut down cleaning of condenser tank, condenser, in & around cold store chamber, stair case, drying shed & plant room and jungle cutting for three times cold store premises during the year 2025 asper direction of the Engg. In-charge (Labour component only).

Painting of condenser pipe, colling coil, oil separator, receiver including valves etc. complete job by supplying anti corrosive paint (Barger/Asianpaint/Nerolacetc) including priming coat etc. asper direction of the Engg. In-charge

Providing of semi skilled worker for dis-infection of cold storage chamber including necessary chemicals (formalin) and sprayer.

Servicing of Ammonia high speed 3(three) nos. compressor (super freeze 6 ½ x 6 ½ KC2 & PC2) after dismantaling with cleaning water jacket, crank case, oil filter etc, checking of piston ring, delivery valve, suction valve, fly wheel, side oil seal, operating valve, gland packing, and replacement in position if required, changing of compressor oil (piston ring, delivery valve, suction valve, fly wheel side oil seal operating valve, gland packing andcompresor oil will be supplied by the department at free of cost if available) re-assembling, commissioning complete as per direction of the Engg-in-Charge

Servicing of Kirloskar make 100 KVA 3 phase AC diesel generator set after dismantaling with checking of tapper clearance, adjustment of tappet clearance if required, cleaning of crank case, diesel tank, air cleaner, refilling of engine oil (mobil) in crank case, replacement of diesel filter and oil filter, re-assembling commissioning complete as per direction of the Engg-in-Charge including supply of necessary diesel filter, oil filter & air filter etc. which will be required.

Servicing of Kiloskar make 3 nos. 60 HP, 50 HP, & 40 HP 3 Phase slip ring induction motor after disconnecting and dismantling with check of bearing, replacement of bearing if required, checking of insulation resistance of startor and rotor winding, heat and varnishing including re-assembling, repositioning and reconnection, commissioning complete as per direction of the Engg-in-Charge (required materials like grease, bearing, varnish etc, which will be required, will be issued from the department at free of cost if available.

Supplying and filling of DG set mobil (20 Litre)

Supplying of oil seal assembly for 6 ½ x 6 ½ supperfreeze compressor

Supplying of Gasket set assembly for 6 ½ x 6 ½ supperfreeze compressor.

Supplying and fitting fixing of Thermometer / Hygrometer inside of cold storage of ISI marked complete as per direction of the Engg.-in-charge.

Supplying of weight Capacity(200 Kg x 20 Kg) accuracy, chargeable digital weighing machine / electronic weighing scale with front back double red display, stainless steel pan size 20 x 20 inch.

Supplying of high speed diesel oil for DG set operation at Kumarghat Cold Storage

Providing structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete as required in codenser unit

Repair and maintenance of 5 HP/ 7.5 HP motor suitable for 2500 GPH capacity submersible pump set by complete dismantling including providing and fitting fixing of PVC (IS: 8783-1978) insulated electro grade copper (IS : 613-1984) conductor winding in stator and all necessary spare parts and re-assembling the same including servicing of rotor and necessary trail run as per specification and direction of the Engg-in-Charge.

Checking of all electrical connections (internal) of panel board, stator box, cold chamber, fan, light etc inside cold store, Kumarghat.

Providing and refilling of Anhydrous Ammonia Gas at Kumarghat Cold Storage with returnable cyclinder within 30 days.

Providing of skilled operator for operation of 2000 MT cold storage at Kumarghat, including captive power plant, with day to day maintenance and reparing during stipulated period as well as time to time checking and maintaining of daily plan for 3 (three) shift 24 hours.

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