General overhauling of Hot water Generators and servicing of AHUs of central heating plant at Govt Superspeciality Hospital Srinagar.

Amount

Opening of Rapid Therm -03 lac kcal/hr Hot Water Generator. Dismounting of the burner gun assembly, removing the front plate coil from it by employing chain pulley block. The job involves thoroughly removing soot and carbon deposits from shell and coil by using wire brush, scrapers and blower etc. The inside of the coil shall be cleaned by circulating through it a solution of de-scaling compound, sulphamic acid powder of Thermax Make (approx. 20 Kg) and water continuously for 24 hr with the help of pump while maintaining a PH of 1-2. The solution is to be circulated from tank/barrel/trays. All consumable items viz. Brushes, detergent, diesel/kerosene oil, dhoti cloth etc. required shall be provided by the executing agency. The HWG shall then be reassembled, tested and commissioned after overhauling. The job includes replacement of all seals, gaskets, asbestos rope, asbestos felt, asbestos sheet, defective nuts, bolts etc. as required .The tools and tackles required for the job and any other consumables shall be provided by the contractor

Replacement of Refractory of Rapid Therm -03 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/holdfasts shall be firmly welded to the refractory base wherever necessary and collar of the top plate shall be repaired if required. Refractory shall be laid in "fire Crete Super brand castible cement.

Front Plate Refractory

Back plate refractory

Complete servicing of various capacities of AHUS viz-a-viz metallic filters, air dampers, shields, motors, belts, blowers and finned hot water coils etc. All the parts are to be cleaned and washed using detergent, high presure water jets and kerosene oil/diesel. The coils are to be descaled by circulating sulphamic acid powder with appropriate quantity water for 4 -5 hrs till working PH is achieved (PH of 1-2). All necessary items viz.pumping units, buckets, piping and litmus paper (PH 1-7), gaskets, nuts and bolts, dhoti cloth shall be arranged by the executing agency. Further, the job includes 38 greasing of bearing pins and the moving parts and testing of AHUs for noiseless operation and satisfactory performance. The job also consists of checking out leaks to the hot water coils and repairing of the same. The job also includes alignment of the shaft and dampening of the vibrations. All tools and tackles, consumable items which shall be required during execution of work shall have to be provided by contractor.

FARUKH SONS ENTERPRISE