Annual Maintenance / Repairs of Central Heating System including its operation at Srinagar Development Authority Building, Bemina Srinagar

Amount

Opening of the Thermax make 04 Lac Kcal/hr. Hot Water Boiler, thoroughly cleaning inside and outside both in case of coil and the shell, removing of soot and carbon deposits. The inside of coil shall be cleaned by circulating through it a solution of Max clean descaling compound (approx. 25 kg)and water of required strength, continuously for 24 hours with the help of a pump. The solution is to be circulated from a tank/barrel /tray. Brushes, detergent, diesel/ kerosene oil, dhoti cloth shall be provided by the contractor. All other accessories of the boiler including burner gun, nozzles, electrodes, diffuser plate etc. have to be dismantled and re assembled after servicing /repairs. The job includes replacement of all seals, gaskets, asbestos rope, asbestos felt, asbestos sheet, defective nuts and bolts etc. The tools, tackles required for the job and any other consumable shall be provided by the contractor. Complete job includes the cost of material and labor.

Replacement of the refractory of 04 Lac Kcal/hr Hot water Generator. The job includes complete removal of old /damaged refractory and thorough cleaning of refractory surfaces/bases. Angle iron hooks /hold fasts shall be firmly welded to the refractory base wherever necessary. Collar of the top plate shall be repaired if required. Refractory shall be laid in fire crate Super brand castable refractory cement. The job also includes repairs to front plate of the boiler, Complete job includes the cost of material and labour .The old refractory has to be dumped in the nearest municipal waste dumping site.

Replacement of old circulation pumps by new Hot Water Circulation Monoblock Pump complete with electric motor of 10 HP (3 P) rating alongwith common base frame duly grouted in cement concrete foundation. Suction 80 mm Delivery 65 mm Capacity: 14 LPS Head: 34.5 mtr The job also included providing and fitting of gaskets and Nut-bolts for connecting the same in the existing pipeline

Servicing /repairing of radiators by way of cleaning of tubes by pressure jet. The job includes fixing of radiators to the wall by way of clips/hangers

Replacement of damaged 10HP Starter panel of circulation pump by a new one of same capacity. The job includes fitting of the same and testing on load

Replacement of damaged Air release valves with isolation ball valves (25mm)

Replacement of damaged butterfly valve with new Butterfly valve Body CI, Disc SS-304, PN 1.6. The job also included providing and fitting of gaskets and Nut-bolts for connecting the same in the existing pipeline.

Replacement of damaged contactors-relay assembly by way of providing and fitting of new 32A Contactor (Siemens make) and Overload relay of capacity (22 - 32A)

Engagement of two no. operator for operation of central heating system from 15th Nov to 15th March 2023-24