Public Works Department Tender

Opening of the Thermax make 6Lac Kcal/hr Hot Water Generator coil type, by way of dismantling / dismounting of front plate followed by dismounting of inside plate thereby thoroughly cleaning inside and outside of the same, both in case of coil and the shell and removing of soot and carbon deposits. The inside of coil shall be cleaned by circulating through it a solution of Max Clean decaling compound of ‘Thermax’ make (approx. 25 kg) and water of required strength, continuously for nearly 20 hours with the help of a pump. The solution is to be circulated from a tank/barrel. Brushes, detergent, diesel/kerosene oil, dhoti cloth required shall be arranged and provided by the contractor. All other accessories of the boiler shall also be opened and cleaned similarly. 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.

Replacement of refractory of 6Lac Kcal/Hr Hot Water Generator coil type. 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 and collar of the top plate shall be repaired if required. Refractory shall be laid in ‘Fire Crete Super’ brand castable refractory cement as end plate.

Maintenance of 7.5 HP feed pumps by way of replacement of bearings, providing and fitting of new gland packing, greasing etc besides varnishing.