REPAIR MAINTENACE OF EXTERNAL WATER SUPPLY SYSTEM DAY TO DAY COMPLAINTS TANKS CLEANING AND OTHER CONNECTED WORKS OF OFFICER MD ACCN MAP ACCN MES COLONY ACCN UNDER AGE I SURANUSSI

Amount

Excavation in trenches in soft/loose soil not exceeding 1.50 mtr wide and not exceeding 1.50 mtr in depth for laying CI/GI pipe lines and under ground cables including segragation of sand, bricks and stacking compete all as specified and directed by Engineer-in-Charge.

Returing, filling in, including spreading, leveling watering and well ramming inlayers not exceeding 25 cms thick each layer compete all as specified and directed by Engineer-in-Charge.

Removal of surplus spoil to a distance not exceeding 50 mtr away and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed by Engineer-in-charge.

Taking up or down cemented pipe along with connections and fittings and keeping in safe coustody the serviceable items for reuse and removal of unserviceable items from site of work for following size :- (a) 100 mm

Taking up or down GI tubing along with connections and fittings and keeping in safe coustody the serviceable items for reuse and removal of unserviceable items from site of work for following size : (a) 50 mm bore

(b) 40 mm bore

(c) 20/25 mm bore

Supply and laying Ductile iron pipes with tightening joint class K-9 in any length complete with all fitting as specified and directed for following:-:- (a) 100 mm bore

Supply and lay in trenches medium grade steel water tubing galvanised with all fittings complete Make : Jindal/Tata/Oswal Ravindera for following size :- (a) 50 mm bore

(b) 40 mm bore

(c) 25 mm bore

(d) 20 mm bore

Supply & Fixing in repair cast iron/GI/DI fitting such as bend any type radius and angle taper any type straight bends,D- Joint of Different sizes, increasing decreasing tee pieces single branch,Y junction coller ,cap and plug with spigot/socket end flange upto 150 mm bore including taking out old material all as directed

M & L for tyton jointing of 100 mm dia DI pipe (Tyton joint) including cleaning, fixing gasket with lubricant, inserting spigot into socket and making joint water-tight complete all as per specified and directed by Engg-in-charge.

M& L masonary valve chamber of size 1200X1200x1200 mm ( internal dimensions) and including necessary excavation and earth work in any type of soil,100 mm thick PCC 1:4:8 type D2 foundation,brick work in cement morter 1:6plastering internal and external surface15mm thick inCM1:4,50mm thick PCC 1:3:6 type C1 (using 20mm graded stone aggregate)coping 50x50x6 mm thick MS angle iron 3 mm thick MS plate cover with locking arragement,painting exposed steel surfaces with two coats of synthetic enamel paint over a coat of zinc chrome primer icludimg dismantling unserviceable complete all as specified and directed by Engr-in-Charge.

M & L for tanking up and down of submersible motor pump set installed in borewell of any depth and size. The contractor shall carefully dismantle all accessories including delivery pipe line, column pipe, flanges, nuts & bolts, gaskets, clamps and submersible cable joints. The defective/burnt motor pump set shall be withdrawn (taken out) from the borewell using chain pulley block, tripod stand or other suitable lifting arrangement without causing any damage to pump, cable or associated items. The withdrawn(taken out) motor pump assembly shall be shifted safely and kept ready for depositing into MES store.After obtaining instructions from the Engineer-in-Charge, the contractor shall collect the repaired serviceable motor pump set from MES store, transport it to site and lower it (taken down) into the borewell with proper safety arrangement. The work shall also include alignment of column pipes, tightening of flanges with new gaskets, proper clamping of cable, reconnection of electrical joints, and complete re-assembly of delivery system. On completion of lowering, the defective/burnt motor pump set earlier taken out shall be deposited by the contractor in MES store without any delay.Final testing of the entire system shall be carried out in the presence of Engineer-in-Charge to ensure smooth running of motor, leak-proof delivery pipeline and rated water discharge. Any incidental works such as replacement of minor consumables like nuts, bolts, washers, clamps, gaskets, wooden/cable supports etc. shall be deemed to be included in the quoted rate. The contractor shall ensure proper safety measures during lifting/lowering operation and will be responsible for any damage caused to equipment, borewell assembly or accessories due to mishandling.complete all as per specified and directed by Engr-in-charge.

Material and Labour for Cleaning of E/M Installation Yard (pump house stp and fire fighting) by cutting plant/grass and other wild growth trees with grass cutting maching and applying suitable anti-weed/chemical spray in grass cutting area complete with all labour, tools, machinery fuel and material required including all necessary T&P and accessories petrol diesel upto satisfaction level as directed by Engineer in Charge

supply, installation, testing and commissioning of a 12-stage submersible pump head upto 250 mtr and discharge upto 13500 GPH suitable for coupling with a 35 HP, three-phase, 415 V, 50 Hz submersible motor. The pump shall be designed for continuous duty operation, constructed with high-quality cast iron or stainless steel bowls and impellers, accurately machined and dynamically balanced to ensure vibration-free performance. It shall be suitable for clear water pumping from borewell, capable of delivering the required discharge and head as per site conditions. The pump shall be provided with necessary pump shaft, shaft sleeves, bushes, and wear-resistant bearings to ensure long service life. Complete all as specified and directed by engineer-in-charge

supply, installation, testing and commissioning of a 35 HP, three-phase, 415 V, 50 Hz, submersible motor suitable for continuous duty operation. The motor shall be of high-efficiency, water-filled, rewindable type with Class F insulation, IP68 protection, and designed to operate at a speed of approximately 2900 rpm. It shall be suitable for coupling with a matching submersible pump and capable of working under a wide voltage variation. The motor shall be provided with thrust bearings, water-lubricated bearings, stainless steel shaft, sand-proof sealing arrangement, and durable winding wires as per IS/IEC standards. complete all as specified and directed by engineer in charge

Material and Labour for disconnecting electric connection and pipe connection and taking out subermisible pump & motor of capacity 25 to 35 HP from bore well and taking to workshop for repair and removal of burnt winding wire from motor and rewinding with new PVC insulated copper winding wire for submersible motor of same gauge and weight to existing including replacement of motor bush, thrust plate coupling complete with key and reassembling the motor with pump and taking back to site, lowering it into bore well making it functional and testing complete all as specified.

Repair/replacement of unserviceable part of submersible pump capacity 25 to 30 HP such as gun metal bush impellor assembly shaft locking key and MS nuts & bolts of existing size and reassembling the pump with motor and making it functional all as specified.

Supply and fixing inreplacement of Automatic star delta Submersible starter HGS -Series conforms to IS/IEC 60947-4-1provide with protection Degree IP 54 Extended wide band coil FLRS (fire retardent low smoke ) internal wiring,in built metering & MCB,Class H insulation,of rating 35 H.P. having Overload relay range 34-50 Amp MCB rating 100 Amp.all as specified and directed by engineer-in-charge

M&L for replacement of rusted MS nut & bolts of various size with stainless steel nut, bolts & washers complete all as specified and as directed.

Supply and fixing in replacement of Dosing Mixture Motor, Single Phase, 230 Volts, 50 Hz with Current consumption 0.4 Amps, Power 120 Watts, 4 Pole Induction Non-synchronous 920 RPM (approx) under Load Motor Shaft dia 15mm, length 50mm Motor is Flange mounted 4 Nos. of 7mm dia holes at PCD 150mm including taking out/ removal of old unserviceable one, complete all as specified and as directed.Make :- Aquajio Technologie

Supply and fixing inreplacement of Agitator Shaft in the Dosing Tank made out of Poly-propylene Rigid of dia 32mm, length 500mm with Two Bladed Pitched Blade Turbine Impeller with 3 Nos. Blades are welded to the Shaft including taking out/ removal of old unserviceable one, complete all as specified and as directed.Make :- Aquajio Technologie

supply and Fix Contactor suitable for 35 HP 415 V and 50 Hz submersible motor complete all as specified and directed by engineer-in-charge

supply and Fix Contactor suitable for 25 HP 415 V and 50 Hz submersible motor complete all as specified and directed by engineer-in-charge

M & L Cleaning of static water tanks of capacitie up to 1 Lakh Gallons shall be carried out in a systematic manner including complete dewatering of stored water using suitable pumps, removal of sludge, silt, algae, and other settled deposits from the bottom of the tank, thorough scrubbing and brushing of floor, walls, and ceiling with approved cleaning agents to remove dirt, scaling, and microbial growth, followed by washing of all internal surfaces with high-pressure water jet. After cleaning, disinfection shall be done by applying bleaching powder or chlorine solution in the required concentration with adequate contact time to ensure sterilization, and the tank shall be finally rinsed with clean potable water to remove residual disinfectant. All sludge, silt, and waste material shall be safely disposed of outside the premises in an environmentally safe manner. The contractor shall provide all necessary labour, tools, materials, disinfectants, and safety arrangements, and the cleaned tank shall be inspected jointly with the Engineer-in-Charge and declared fit for refilling with potable water.

Supply and fixing Check Valve for chlorine feeding pump shall be of high-quality, corrosion-resistant construction made from PVC, PP, or PVDF material, suitable for handling chlorine solution without deterioration. The valve shall be non-return type, designed to prevent backflow of chemical solution and ensure unidirectional flow towards the dosing line. It shall have threaded or socket end connections compatible with the dosing pump discharge and piping system, with a pressure rating up to 10 kg/cm². The internal spring and sealing components shall be made of Teflon or Viton to provide excellent chemical resistance and long service life. The valve shall be tested for leak-proof performance, smooth operation, and shall conform to relevant IS/ASTM standards for chemical dosing accessories complete all as specified and directed by Engineer-in-charge.

M & L for connection of chlorine dosing tanks of 40 litre and 100 litre capacity with the dosing pump and associated piping network using high-quality chemical-resistant HDPE/PVC/PP fittings. The scope shall cover supply, fixing, and jointing of inlet and outlet connections, suction and discharge pipelines, drain line, and level indicator fittings to ensure smooth operation of the dosing system. All joints shall be made leak-proof using chemical-resistant adhesive/solvent weld or threaded couplings as per site requirement. The tank shall be securely mounted on suitable foundation, with all accessories properly aligned and connected for safe and reliable operation complete all as specified and directed by engineer-in-charge. Note cost fitting and nescessary item for connection also include in Each job

M&L for 60 mm thick precast cement concrete (M-35) factory made, machine pressed interlocking paver blocks, with grey cement and pigment any shape and size as approved by AGE, laid over sand cushion complete all as specified and directed by Engr-in-Charge.

Taking down and supply & Fixing PVC coated chain link fencing 10 gauge thick galvanised steel wire and 50mm x 50mm size mesh fixed to steel fencing post by galvanized iron nut bolt etc including provision of binding wire complete all as specified and directed and chain link approved by AGE.

Supply & Fixing in replacement MCCB in built earth fault 100 Amp 4 pole 36 KA 415 Volt complete all as specified and directed Make L&T/Schneinder/Havells.

Supply only O tolodine solution bottle 500 ml capacity for testing of chlorine complete all as specified and directed

S&F chlorine testing KIT with colored sample cmplete with all testing fitment and OT solution in rexine finish box Make :- Aquajio Technologies

Supply & Fixing in replacement MCCB in built earth fault 160 Amp 4 pole 36 KA 415 Volt complete all as specified and directed Make L&T/Schneinder/Havells.

Supply only Pig Lead

Supply only Lead wool

Supply only Red or white lead cement

Supply only Spun Yarn

R K ENTERPRISES (BID ID -3465454)