Repairs and Maintenance of Central Heating System at Sub- District Hospital Kokernag.

Amount

Repairs and Maintenance of Central Heating System at Sub- District Hospital Kokernag.

Replacement of the refractory of 02 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.

Opening of the Thermax make 02 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.

Servicing /repairing of radiators/ FCUs by way of cleaning of tubes by pressure jet / blowing the fins with high pressure air. The job includes fixing of radiators /FCUs to the wall by way of clips/hangers

Providing and fitting of 7.5HP DOL Starter for circulation pump. The job includes fitting of the same and testing on load

Replacement of damaged contactors-relay assembly by way of providing and fitting of new 32A Contactor (MNX32) and Overload relay of capacity (22 - 32A)

Hot water radiators; steel pannel heating radiators with working pressure ranging from 10-13 bar having working temperature at 110 degree centegrade, complete with to grills and side covers as standarded along with inlet valve, outlet valve, air purge valve and threaded plug as per OEM.inlet water Temp: 75 degree celcuis. Outlet water Temp. 65 degree centegrade Room Temp: 22 degree centegrade. 2500 Kcal/ Hr ( Double pannel radiator)

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