REPAIR/REPLACEMENT OF PRESSURE FILTER PLANT,EXTERNAL WATER SUPPLY DISTRIBUTION PIPE LINE SYSTEM ,CONTROL VALVES,VALVE CHAMBER ,PUMP SETS ,STARTER PANELS AND CONNECTED WORKS AT RESIDENTIAL AREA OF NPOL KOCHI

Maintenance to pressure type sand filteration unit by opening completely and taking out the existing filter media (sand and pebbles) & strainers. Carry out repair/maintenance work to casing by necessary tinkering and scrapping to make the filter vessels rust free. Refilling the removed filter medias after washing, fixing of new strainer and replacing the teared gasket, worn-out nuts, bolts and washers with new complete including preparation for removing of old painted steel/iron surfaces of pressure filter media chamber by scrapping and cleaning of internal surfaces and applying two coats of black bituminous anti corrosive paint suitable for drinking water complete and also servicing of sluice valve complete all as specified and directed by Engr-in-Charge.

M&L for removal of vegetation, grass and un wanted material from the soft soil area near or surrounding of pump house, natural pond and other installations by Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out . Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above shall be deemed in the quoted rate.

M&L for clean the natural pond after dismantling the existing pump and allied accessories including following process such as Pumping out the water, clearing out algae (removing string algae with brush, net or hand), supplement aeration with a water pump to the water by churning, removal of plants as the water level drops, scoop out decayed plant matter, removal of sludge and dispose of the waste in the trash as directed by Engr - in Charged. Dismantling & re-installation of pump, foot valve with pipe etc shall be deemed in the quoted rate

Cutting the existing GI pipe of size 80 mm dia, inserting tee of size 100 x 100 x 40 mm for taking branch connection including necessary threading, earth work, returning, refilling etc complete all as specified and directed.

Supply only ALTOCH-CH (Calcium Hypo Chlorite) 65%-70% Chlorine content (Calcium based Granular disinfectant for water treatment) packed in 45 Kg plastic drum and Make:- Aquuafit, Declibac technologies private Ltd

Repairs to existing PLC (Program Logic Controller) based pump control system with panel by removing and replacing the old unserviceable following items, connecting up and testing including material for wiring if required as specified and as directed a) Rust proof Magnetic Switch Sensor, Make: Yogitech - 2 Nos b ) Pressure Switch RT116-1 to10 (BAR), Make: Danfoss - 1 Nos

Labour only for disconnecting and removing Centrifugal pumps of any type coupled with motor upto 15 HP capacity from its foundations/ base frame located at different pump houses, by disconnecting suction, delivery pipes, pump couplers and electrical connections, taking it to workshop for repair and refixing the pump back to its original position after getting repair and making all connections, carry out alignment, testing for satisfactory function all as specified and as directed:- Note: Repairing of pumps/motors shall be measured and paid separately under relevant items.

Dismantling and opening up of PUMP assembly of following capacities complete, removing worn out Gland bush, Housing for bearing, Gland Packing, Balancing, Pin locking set, nuts and bolts, Machining work etc., and replacing with new parts of same make/model/type including necessary machining works, replacement of worn out bearings both DE/NDE, assembling and testing for smooth operation at workshop as required, all as specified and as directed

Centrifugal pumpset of any make /model coupled with 5 HP motor

Monoblock centrifugal pumpset of make kirloskar pumpset of any make /model coupled with 5 HP motor