General Overhauling of Hot Water Generators alongwith Allied Preventive and Breakdown Maintenance Works to Central Heating System at Govt. Dental College Srinagar

Amount

Opening of the Thermax Make AMW-04 model Hot Water Generator of capacity of 04 lac KCAL/hr, dismounting of the burner gun assembly, removing the front plate and coil from it by employing chain block. The job includes thoroughly removing soot and carbon deposits from the shell and coil by using wire brush, scrapers and blower. The inside of the coil shall be cleaned by circulating a solution of de-scaling compound through it, sulphamic acid powder of Thermax Make (approx 20 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 provided by the firm. The job also involves dismantling/cleaning of the burner gun, nozzle, diffuser plate and electrodes The HWG shall again be reassembled, tested and commissioned after overhauling. The job includes replacement of all seals, gaskets, asbestos rope, asbestos felt, asbestos sheet, wornout fasteners etc. as shall be required The tools and tackles required for the job and any other consumables shall be provided by the contractor.

Replacement of the refractory of AMW-04 Hot water Generator. The job includes complete removal of old/damaged refractory and thorough cleaning of refractory surfaces/bases Angle Tron hooks/holdfasts shall be firmly welded to the refractory base wherever necessary. 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

Opening of the Westherm Make WHW-300 model Hot Water Generator of capacity 3.5, lac Kcal/hr. dismounting of the burner gun assembly, removing of the front plate and coil from it by employing chain pulley block. The job then involves thoroughly removing soot and carbon deposits by using wire brush, scrapers and blower from shell and coil. The inside of the coil shall be cleaned by circulating a solution of de-scaling compound, sulphamic acid powder of Thermax Make (approx 25 Kg) and water continously through it 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, etc. required shall be provided by the firm. The job also involves dismantling/cleaning of the burner gun, nozzle, diffuser plate and electrodes The HWG shall again be reassembled, tested and commissioned after overhauling. The job also includes replacement of all seals, gaskets, asbestos rope, asbestos felt, asbestos sheet, wornout fasteners etc. as shall be required. The tools and tackles required for the job and any other consumables shall be provided by the contractor.

Replacement of the refractory of WHW-300 Hot water Generator. The job includes complete removal of old/damaged refractory and thorough cleaning of the refractory surfaces/bases. Angle Iron 4 hooks/holdfasts shall be firmly welded to the refractory base wherever necessary. Collar of the top plate shall be repaired if required. Refractory shall be laid in "Fire Crete Super brand castible cement.

Front Plate Refractory

Servicing of Beacon Make 7.5 HP circulation water pump's by way of removing/dismantling of the pump assembly followed by checking of impeller, diffuser rings, bushes bearing, and mechanical water seal for complete water leakage seal. All faulty components viz. impeller, diffuser rings, bushes bearing, and mechanical water seal should be replaced by the firm. The pump/s should be reassembled and sealed back with packings for mounting into the central heating circuitry followed by testing and commissioning.

Repairs/replacement of damaged inlet/oulet connections of FCU's/Radiators in various sections of the hot water system including dismantling of the damaged inlet/outlet pipe connections of the radiators and then providing/fitting of new 304 Grade Stainless Steel cladded EDPM pipe with washer and nuts other necessary fittings including Ball valves, elbows, Tees, Unions, Adapters, etc. to make the FCU's/Radiators fully functional. The job also includes testing of the system for its satisfactory performance.

Providing and replacement of the burnt out contactors and overload relay D1316 with Current Rating. Rating of 9-13A in main control panel of Circulation Pump Assembly.

Providing and fitting of H.T. Tranformer of the burner assembly in place of old damaged of Westherm Make WHW-300 Hot water Generator-2.

Servicing of 12 HP circulation water pump/s by way of removing/dismantling of the pump assembly followed by checking of impeller, diffuser rings, bushes bearing, and mechanical water seal for complete water leakage scal. All faulty components viz. impeller, diffuser rings, bushes bearing, and mechanical water seal should be replaced by the firm. faulty components should be replaced by the firm. The pump/s should be reassembled and sealed back with packings for mounting into the central heating circuitry followed by testing and commissioning.

Providing and fitting of new 3-phase oil pump assembly in place of old damaged Fuel pump assembly by way of removal of Burner assembly from boiler housing of Westherm Make WHW-300 Hot water Generator-3 and retrieval of fuel pump and blower fan coupled to shaft ends of the motor. The job further includes fitting if same to the new burner fuel pump having following specifications: Make: SUNTEC, Model No: DIN-5S187, Power: 80- 100W, Frequency: 50Hz and 60hz and Flowrate: 47L/hr

Providing and fitting of new Oil Burner Controller in place of old damaged Oil Burner Controller assembly by way of removal of Burner assembly from boiler housing of Thermax Make HWG 1 and retrieval of Old damaged Burner Controller. The job further includes fitting if same to the new burner controller having following specifications: Make: SIEMENS, Type: RMO88.53C2,220-240v~50-60Hz TSA 5 S

Servicing of 5 HP Feed water pump/s by way of removing/dismantling of the pump assembly followed by checking of impeller, diffuser rings, bushes bearing, and mechanical water seal for complete water leakage seal. All faulty components viz. impeller, diffuser rings, bushes bearing, and mechanical water seal should be replaced by the firm. faulty components should be replaced by the firm. The pump/s should be reassembled and sealed back with packings for mounting into the central heating circuitry followed by testing and commissioning.

Servicing of FCU's of various capacities/sizes installed at Govt. Dental College and Hospital Srinagar, by using skilled labours and technicians. The Job includes dismantling of indoor unit filters and cleaning it thereof and removing of dust and dirt from the outdoor unit by way of spraying suitable chemical agent. The Job further includes checking all parameters of working and setting them right as per requirement The Job further includes assembling and reinstalling back all the items removed from the unit. The Job also includes testing the performance of the FCU unit on load. All the tools and tackles required at site shall be arranged by the firm.

BHAT SALES CORPORATION