REPAIR / REPLACEMENT AND COMPREHENSIVE MAINTENANCE TO EQUIPMENT AND CONNECTED ITEMS AT SWIMMING POOL, STP AND PUMP HOUSE BUILDING AT AF STN BAGDOGRA UNDER GE (AF) BAGDOGRA.

Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender documents & all corrigendum/amendments and general condition of contracts before entry/quoting the rates. Note 2:- Attention to bidder is hereby invited to upload revised BOQ if published during their bid submission. Uploading of incorrect/ pre-revised BOQ shall be treated as non bonafide and rejected. Fixed credit has been given in technical documents which shall be taken into account during acceptance of bid/tender.

Taking out complete submersible pump set upto 5 HP alongwith the pipes 25 to 40 mm dia with the help of chain pulley block from borewell after disconnecting electrical connections from panel,disconnecting from suction and delivery pipe lines,disconnecting column pipes,reassembling and lowering pump & motor into bore well complete,connecting,testing and commissioning alongwith connected items .cable re-fixing after receiving repaired and tested submersible pump ,rubber packing with proper alignment and making electrical connection complete including testing all as specified.

Testing electric motor to ensure its actual condition,seperating pump & motor from coupling.Rewinding of submersible motor,repairingthe worn out parts to make fully servicable capacity upto 5HP.Testing after repairs for desired output all as specified.

Dismantling and refixing of submersible motor any make and any capacity 12.5 HP and reassembling complete after carry out necessary repair work & testing complete for smooth working to entire satisfaction of Engineer in charge. Note:- New parts/components to be replaced shall be measured and paid separately under supply only.

M&L for rewinding of submersible motor of Capacity 12.5 HP 3 phase 400/415 Volts any make and capacity as mentioned below existing size and gauge of PVC insulated single core copper winding wire submersible including all insulating material of make a approved complete all as specified.

Supply only in replacement upper and lower housing bushes of any material complete suitable for 12.5 HP complete all as specified and directed.

Supply only in replacement Impeller suitable for 12.5HP complete all as specified and directed.

Supply only in replacement stainless steel bushes each set suitable for 5HP to 12.5 HP submersible motor complete all as specified and directed.

Supply only in replacement summersible pump shaft each set suitable for 3 HP to 5 HP submersible motor complete all as specified and directed.

Supply only summersible pump shaft each set suitable for above 7.5 HP to upto 12.5 HP submersible motor complete all as specified and directed.

Supply and fixing in replacement thrust bearing each set suitable for 10 HP submersible motor complete all as specified and directed.

Supply and fixing in replacement thrust bearing each set suitable for 12.5 HP submersible motor complete all as specified and directed.

Supply only 'O' ring kit and oil seal kit suitable for any capacity complete all as specified and directed.

Repair of bowl bush of housing by proper machine work of housing and pump soft & replacement of bowl bush for 5 HP to 15 HP complete all as specified and directed.

Supply only in replacement rubber packing 20mm thick consisting of 8/6" holes for 80 mm to 150 mm dia column pipe complete all as specified and directed.

Supply and fix in replecment of PVC wire of summersible pump of 6 sqmm 3 core from pump starter to pump including all fitiings complete all as specified and directed.

Jointing the submersible cable by jointing kit of suitable size by means of jointing material & making the leak proof jointing complete all as specified and directed.

M&L for Taking out existing filter media like sand, gravel from Swimming pool filtration plant of capacity 2,000 LPH including removing from site and cleaning the internal surfaces of filtration plant using PVC wire brushes to remove all scales, iron particles and finally clay & other foreign particles with clean water complete all as specified and as directed.

M&L for packing of gravel of size 1 to 2 mm sizes of new filter media in layers of approved quality complete all as specified and as directed.

Ditto as above item no 18.00 but gravel of size 0.4 mm to 0.8 mm

S&F in replacement Automatic Star-Delta starter in sheet metal enclosure type MK with single phase protection feature suitable for motor rating AC-3 phase, 415V, 15 HP , 9-14 A range all complete as specified and directed.

Taking down old unserviceable sluice valve from existing position with flanged ends and iron wheel including necessary joints by means of bolts, nuts washers and rubber gaskets complete all as specified for 150 mm bore pipe of any make or description.

Ditto as above item no. 21.00 but for 100 mm dia complete all as specified and directed.

Ditto as above item no. 21.00 but for 80 mm dia complete all as specified and directed.

S&F cast iron sluice valve conformig to IS - 14846 PN 1.6 clockwise dosing with flanged ends and iron wheel including necessary joints by means of bolts, nuts washers and rubber gaskets complete all as specified for 150 mm bore pipe.

Ditto as above item no. 24.00 but for 100 mm dia complete all as specified and directed.

Ditto as above item no. 24.00 but for 80 mm dia complete all as specified and directed.

Taking out and rewinding complete centrifugal pump sets of capacity 10HP after disconnecting electrical connections from panel,disconnecting from suction and delivery pipe lines with testing and commissioning alongwith connected items rubber packing,gasket with proper alignment and cable re-fixing after receiving repaired and tested centrifugal pump and making electrical connection complete including testing all as specified.

S&F Vacuum hose pipe 38 mm dia suitable for suction sweeper swimming pool including taking down complete all as specified and as directed.

S&F in replacement of Vacuum pump range 2.5-3 hp suitable for cleaning of swimming pool from dust particle including taking down complete all as specified and as directed.

Reapair and maintenance of dosing pump with adjustable output for chemical dozing with power 220 volat of 120Watt model no IM-10.

S&F in replacement of PVC copper wire of size 1.5 sqmm 3 core for connecting the waterproof light held in swimming pool.

S&F in replacement pressure gauge 4'' dial 0-14 Kgs for pressure vessel tank and delivery head of pump

S&F in replacement strainner for removing of leaves/polythene or any other waste from swimming pool bath tub with PVC/uPVC/Aluminium rod for operation

S&F Underwater LED lights for swimming pool including taking down complete all as specified and as directed.

S&F Vaccum Brush for cleaning of swimming pool complete all as specified and as directed.

S&F Underwater Tile cleaner for swimming pool complete all as specified and as directed.

Excavation in trenches in soft / loose soil n.exc 1.5 mtr wide n.exc 1.5 mtr deep getting out soil complete all as specified and directed.

Returning filling in including spreading leveling well ramming in layers n.exc 25 cm thick in a layers all as specified and as directed.

Removing excvated material (Soil) n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above the starting point all as specified and directed.

Taking up or down GI water tubing 80 mm dia including fitting connections and cleaning tubing, fitting/ cutting threading of serviceable tubing for relaying and removal of unserviceable tubing all as directed by Engr-In- Charge.

All as per item No-40.00 above but for 50 mm dia complete.

All as per item No-40.00 above but for 40 mm dia complete.

All as per item No-40.00 above but for 25 mm dia complete.

All as per item No-40.00 above but for 20 mm dia complete.

All as per item No-40.00 above but for 15 mm dia complete.

Re-fixing only old serviceable GI pipe incl fittings and connection in new or old position (Pipe obtained from item No 40.00 above ) of size 80 mm dia.

All as per item No-46.00 above but for 50 mm dia complete.

All as per item No-46.00 above but for 40 mm dia complete.

All as per item No-46.00 above but for 25 mm dia complete.

All as per item No-46.00 above but for 20 mm dia complete.

All as per item No-46.00 above but for 15 mm dia complete.

Supply and laying the GI water tubing medium grade with all fittings in trenches all as directed 80 mm dia.

All as per item No-52.00 above but for 50 mm dia complete.

All as per item No-52.00 above but for 40 mm dia complete.

All as per item No-52.00 above but for 25 mm dia complete.

All as per item No-52.00 above but for 20 mm dia complete.

All as per item No-52.00 above but for 15 mm dia complete.

Supply and laying/ fixing polyprolene random pipe (PP-R) PN 16 in three layer incl fixing of all fittings made out of PP–R as required for fixing to wall or laid in floor / ground all as specified and directed for 90 mm bore.

All as per item No-58.00 but 63 mm dia complete all as specified.

All as per item No-58.00 but 50 mm dia complete all as specified.

All as per item No-58.00 but 32 mm dia complete all as specified.

All as per item No-58.00 but 25 mm dia complete all as specified.

All as per item No-58.00 but 20 mm dia complete all as specified.

S&F in repair Gun metal gate valve (screwed) with iron wheel head, screwed both ends for iron / PPR pipe of size 50 mm dia .

All as per item No-64.00 but 40 mm dia complete all as specified.

All as per item No-64.00 but 25 mm dia complete all as specified.

All as per item No-64.00 but 20 mm dia complete all as specified.

All as per item No-64.00 but 15 mm dia complete all as specified.

S&F in repair butterfly valve complete of size 100mm dia (4") dia as oper 909 - 1992

All as per item No-69.00 but 50 mm dia complete all as specified.

S&F in replacement of uPVC reducer of size 200mm/110mm

S&F in replacement of uPVC reducer of size 80mm/50 mm

S&F in replacement upvc butter fly valves with fittings of size 100mm

S&F in replacement upvc butter fly valves with fittings of size 50 mm

S&F in replacement upvc pipe with fittings of size 50 mm

S&F in replacement upvc pipe with fittings of size 100 mm

Taking down unserviceable Raw sewage non clog pumpset from foundation and transportation to work shop for repairing from sewage treatment plant to contractor work shop for carry out necessary repair work to pump set submersible and transporting it back to site of water supply installation of AF Stn area.

Dismantling and rewinding of Raw sewage non clog pumpset of any make and capacity as mentioned below existing size and gauge of PVC insulated single core copper winding wire submersible including all insulating material of make a approved:-Capacity 10 HP.

Cleaning of slush deposited in the sewage collection sump by the help of supply of jet water and sewage lifting pump complete all specified and as directed by Engr-in-charge.