Overhauling of 16 lac Kcal/hr Hot Water Generator at Govt L.D Hospital Srinagar

Amount

Dismantling of Nestler make DB090 model Hot Water Generator of capacity 16 lac Kcal/hr, detachment of front doors and back door. The job includes cleaning of tubes, combustion chamber and blower assembly from inside and outside. The cleaning of tubes shall be done thoroughly with T- shaped rod cleaner the inside of the tubes with the help of wire brush tied to a suitable rod and doti cloth etc . After cleaning requisite repairs have to be carried out to the boiler including welding wherever required. The boiler shall be then reassembled and refitted using new fire seals of asbestos rope of size 25mm, 20mm, 12mm and replacement of all defective nuts and bolts. It includes replacement of canvas connection from blower to combustion chamber, blower lock plates and lock plates after tapping and drilling of holes. The job further includes providing of all consumables like wire brushes , tubes, cleaning brushes, dhoti cloth, steam jointing sheets, asbestos rope of two sizes, nuts bolts etc.

Complete descaling of Hot Water Generator DB090 using about 65 kgs of Max clean descaling compound of mixed with water filled in the boiler. This solution shall be given continuous circulation inside the boiler with the help of a pump as per the manufacturer’s recommendations. The contractor shall made his own arrangement for pump, piping, tank etc. required for descaling. After descaling boiler shall be washed thoroughly with water to remove the traces of acid. The job includes hydraulic pressure testing of boiler for detection of possible leaked boiler tubes etc.

Replacement of refractory of Nestler make DB090 model of capacity 16Lac 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 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.1) Quarrel Plate 2) End Plate. 3) Baffle Plate

Providing and laying of 12mm thick M S Plate against damaged baffle plate followed by laying of above rarfractory on both sides of baffle plate using hooks duly welded to the plate (complete job)

Welding of already existed cylindrical combustion chamber of 16 lackcal/hr hot water generator at different location in the chamber for arresting the leakages. The job includes providing of consumeables such as electrodes ador/advani make) skilled labour, tools and tackles to complete the job.

BHAT SALES CORPORATION