AMC for Hot water generators in Boiler house of Nursing College/Genetic Center/Maternity Hospital

Amount

Hot Water circulation Pump set for Human Genetic Centre. Supply, installation, testing and commissioning of mono-block pump complete with motor, base frame, vibration isolators, drain valves and other accessories etc. Pumps shall be complete as per specifications and shall have operating parameters as given below: 2900 rpm, 7.5 HP motor, 5.50 KW, Head Range 28 to 44 mtr. Discharge: 10.30 to 4.70 lps, Voltage: 415 – 3 phase with mechanical seal.

Boiler House Nursing College/Genetic Centre Hot water generator Thermax Make Opening of the Thermax Make AMW-06 model (6 Lackcal/hr.) Hot Water Generator. Dismounting of the burner gun assembly, removing the front plate, coil from it by employing chain 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 will be cleaned by circulating through it a solution of de-scaling compound, sulphamic acid powder of Thermax Make (approx. . 25 Kg) and water continuously for 24 hr. with the help of pump while maintaining a PH of 1-2. The solution is to be circulated from 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, and electrodes. All other accessories 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 for the following sites. i). Boiler House of Genetic Centre = 02 No’s. ii). Boiler House of Nurses College = 02 No’s.

Replacement of the refractory of AMW-06 Hot water Generator .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 where ever necessary and collar of the top plate shall be repaired if required .Refractory shall be laid in "fire Crete Super' brand castible refractory cement.

Front Plate Refractory(glass wool).

Back plate refractory.

FAN COIL UNIT Complete overhauling of FCU’s /Air Curtain by way of dismantling of metallic filters, air dampers, shields, motors, fan and finned hot water coils etc. All the dismantled parts are to be cleaned and washed using detergent, high pressure water jets and kerosene/diesel. The coils are to be descaled by circulating sulphamic acid powder with appropriate quantity of water for 4 -5 hrs. till working PH is achieved (PH of 1-2).All necessary items viz. pumping units, buckets, piping and litmus paper (PH 1-7),gaskets, nuts and bolts, dhoti cloth shall be arranged by the executing agency. Further the job includes greasing of bearing pins and the moving parts and testing of FCU's for noiseless operation and satisfactory performance. The job also consists of checking out leaks to the hot water coils and repairing of the same. The job also includes alignment of the coils and fan. All tools and tackles, consumable items which shall be required during execution of work shall have to be provided by contractor. The job also includes providing and fixing of new ball bearings and V-belts on each below capacity air handling units.

Providing and fitting & Commissioning of 3 Ph., 415,3HP gear Oil pump of capacity min 3000LPH at Genetic Centre boiler house pump HSD from Ms underground tank in day oil tank. The pump set shall be supplied complete with 3Ph drive induction motor, couplings, pump, all mounted on base frame. The pump set shall be connected to existing fuel supply and discharge headers of existing of existing of existing pump set (Which shall work as standby arrangement for the system) isolation valves on suction and discharge sides, NRV,Y strainer, reducers (if required) P&F of 305 core Cu cable to connect the pump to 3HP supply from existing panel, insulation and cladding of the said piping. The job further includes providing of foundation for the pump by way of providing of RCC base of requisite dimensions of max ratio 1:5;3 along with MS plates, bolts nuts etc. for the grouting the insulted pump set. The defect liability period of the installed pump shall be min of one complete heating season/one year whichever earlier. All consumables, Kits, tools, tackles are included in the job. Any other works deemed important for the installation is included herewith.

Providing and fixing & testing of HSD flow meter of standard size 25 mm at Genetic Centre boiler house. The flow meter shall be of gun metal construction, analogy/mechanical counter type, housed inside a back proof housing and protected & coated from outside, strainer provided, flanged connections for easy installation, resettable counter, high accuracy reading compatible with installed pump set flow. The flow meter shall be calibrated for precise and accurate reading and shall be tested at site after installation to check for correction of tested readings. The make of the flow meter shall be reputed for industrial installations. The DLP shall be for one heating season.

Hot Water circulation Pump set for Nurses College. Supply, installation, testing and commissioning of mono-block pump complete with motor, base frame, vibration isolators, drain valves and other accessories etc. Pumps shall be complete as per specifications and shall have operating parameters as given below: 2900 rpm, 7.5 HP motor, 5.50 KW, Head Range 28 to 44 mtr. Discharge: 10.30 to 4.70 lps, Voltage: 415 – 3 phase with mechanical seal.

Fabrication, providing and fixing of convector clamps at different locations in the hospital as will be identified. The clamps are to be fabricated out of ISA 25x25x3 mm angle. These clamps are to be fixed to the wall with the help of 8mm dia dash fasteners (04-06 dash fasteners for each convector)

Providing, fitting of oil filter with complete assembly as per sample at Genetic centre and Nurses College.

Providing, fitting of sequence controller as per sample for Boilers of 6-lac k-calories at Genetic centre and Nurses College

M/S KHAN ELECTRICALS and MECHANICALS WORKS