Servicing of Hot water Generators Installed at Boiler House of SMHS Hospital Srinagar

Amount

Opening of the Thermax Make ATHDI-20 model Hot Water Generator. Dismounting of the burner gun assembly ,removing the front plate by employing chain block.The job then involves throughly removing soot and carbon deposit s by using wire brush, scrapers and blower from shell and coil . The inside of the coil will be cleaned by circulating through it a solution of de-scaling compound, sulphamic acid powder of Thermax Make (approx 60 Kg) and water continously for 24 hr with the help of pump while maintaining a PH of 1-2. The solution is to be circulated from a tank/barrel/trays.All consumable items viz. Brushes,detergent,diesel/kerosene oil,dhoti cloth required shall be arranged by the contractor.The job also involves dismantling/cleaning of the burner gun,cleaning of nozzle,diffuser plate,electrodes.All other accesories of the boiler shall also be opened and cleaned similarly.The HWG shall be again 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 shall be required .The tools and tackles required for the job and any other consumables shall be provided by the contractor.

Provision for replacement of the back plate refractory of ATHDI-20 Hot water Generator (if felt required).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 whereever necessary and collar of the top plate shall be repaired if required .Refractory shall be laid in "fire Crete Super' brand castible refractory cement.

Opening of Thermax Make (Shellmax) Hot Water Generator of capacity 20 Lac Kkal/hr heat output. Dismounting of the burner gun assembly ,removing the front/back plate by employing chain block.The job then involves throughly removing soot and carbon deposits by using wire brush, scrapers and blower from shell and tubes . The inside of the shell shall be cleaned by circulating through it a solution of de-scaling compound, sulphamic acid powder of Thermax Make (approx 60 Kg) and water continously for 24 hr with the help of pump while maintaining a PH of 1-2. The solution is to be circulated from a tank/barrel/trays.All consumable items viz. Brushes, detergent, diesel/ kerosene oil, dhoti cloth required shall be arranged by the contractor.The job also involves dismantling/cleaning of the burner gun,cleaning of nozzle,diffuser plate,electrodes/blower assembly etc. All other accesories of the boiler shall also be opened and cleaned similarly.The HWG shall be again 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 shall be required .The tools and tackles required for the job and any other consumables shall be provided by the contractor.

Provision for replacement of the front plate refractory of Thermax Make (Shellmax) Hot Water Generator of capacity 20 Lac Kkal/hr (if felt required). 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 whereever necessary and collar of the top plate shall be repaired if required .Refractory shall be laid in "fire Crete Super' brand castible refractory cement.

Repairs to the existing header of hot water circulation pumps by way of dismantelling of leaking end plate of the header by means of applying cutter etc and replacing it with a new end plate fabricated out of 10 mm thick MS Plate having radius appox 300 mm (involving 2.5'x2.5' sheet). The plate is to fixed with the header by means of arc welding and lateron is to be tested for leakage at the desired pressure. All tools and tackles, welding equipment, weding rods etc required for the job is to be provided by the contractor.

MIDZ MULTI VENTURES

Elevate Engineers

FARUKH SONS ENTERPRISE