Public Works Department Tender

Opening of the steam boiler, dismounting of the burner gun assembly, removing the front door ,fittings ,back plate etc from it by employing chain block. The job then involves throughly removing soot and carbon deposits inside, combustion chamber etc by using wire brush, scrapers and blower . The inside of the boiler circuits will be cleaned by circulating through it a solution of de-scaling compound, sulphatic acid powder of approved make and water continuously for 24 hr with the help of descaling 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 blow down and mobray control system. All other accessories of the boiler shall also be commissioned after servicing. The job includes replacement of all seals ,gaskets, asbestos rope. Asbestos felt, asbestos sheet, defective nuts, bolts, damaged packings etc. as shall be required for successful operation of the boiler .The tools and tackles required for the job and any other consumables shall be provided by the contractor.

Providing & fitting of seamless fire tubes (IBR approved) in the Central heating Boiler .The job includes cutting and removing of old leaky and damaged tubes, cleaning and filling of surfaces and fitting new tubes by welding. All tools ,tackles and skilled manpower are to be arranged by the contractor. Tubes shall be of Boiler grade material as per BS 3059 (Part-1)/BS 3059 (Part-1I).The contractor shall have to submit necessary certificates as asked by concerned Executive Engineer/ AEE or his representative.

3165mm X50.8mm X 3.66mm