COMPREHENSIVE MAINTENANCE AND IMPROVEMENT OF EXTERNAL WATER SUPPLY SYSTEM NETWORK OTHER CONNECTED WORKS AT MD ACCN AREA AT 223 AREA UNDER AGE(I) SURANUSSI.

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 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) 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

Relaying only GI pipes any grade in trenches removed from Sl item No.5 (a) 50 mm bore

(b) 40 mm bore

(c) 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 by engg-in-charge for following:-: (a) 100 mm bore

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

(b) 40 mm bore

(c) 25 mm bore

(d) 20 mm bore

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 5 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.

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.

Supply and fixing in cast iron sluice valve PN 1.6 100 mm bore with flanged ends ISI mark with Gun metal spindle CI gate with brass ring and iron wheel handle with jointing material such as nuts /bolts washers and rubber insertion sheet etc including taking out old U/S sluice valve complete all as specified Make : Kirloskar/Kartar/Bir.

Attending complaints by deploying sufficient labour (Skilled and helpers) for repair to leakage/blockage of underground water carrying pipes, size 25 to 150 mm bore of any description such as GI/CI/DI, at any location including necessary excavation & earth work, cutting existing pipe lines, dewatering etc complete all as specified. NOTE:- (i) Complaint shall be notified to contractor on telephone, therefore it is mandatory for the contractor to mention his ‘Mobile Number’ while quoting the tender. (ii) Complaint shall be notified to contractor at any time between 0600 hrs to 2000 hrs and the same shall be immediately attended and defects rectified within six hrs from notification of complaint to the contractor. (iii) Confirmation of attendance & rectification of complaint shall be given in writing by the contractor and same shall be recorded in the ‘Register’ maintained for the purpose. The ‘Register’ shall be produced to this office along with RAR/Final Bill. (iv) In case the contractor fails to attend complaints within stipulated time (i.e. 6 hrs), a penalty shall be imposed @ Rs 300/- per complaint. (iv) Rates quoted by the contractor shall be deemed included the cost of necessary T& P required. (v) Pipes and cost of jointing shall be measured and paid separately under respective items.

Supply and fix in replacment of gun metal globe or gate valve with iron wheel head screwed both ends suitable for galvanised pipe 20 mm bore complete all as specified and directed Make : Zoloto/Oswal/Prayag.

All as per item ser No 13 above here in before but 25 mm bore.

All as per item ser No 13 above here in before but 40 mm bore.

Supply, installation, testing and commissioning of a 10-stage submersible pump head 118 mtr and discharge 700 LPM suitable for coupling with a 25 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. Make Kirloskar, KSB, Crompton graves.

supply, installation, testing and commissioning of a 25 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

Supply and fixing inrepair 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 25 H.P. having Overload relay range 34-50 Amp MCB rating 100 Amp.all as specified and directed by engineer-in-charge

Taking down the existing unserviceable bleaching/dosing pump along with all accessories and supplying, installing, testing, and commissioning of a high-pressure single-head adjustable dosing system of make “AQUAFIT”. The dosing pump shall be suitable for high pressure up to 5 kg/cm² with a power input of 230V, 50 Hz, and delivering 40 strokes per minute using a 1/30 HP fractional horsepower motor. The maximum output capacity of the pump shall be 10 litres, and it shall be supplied complete with all mandatory accessories such as lead tubing, connecting ferrules, check valves, pressure relief valve, foot valve with strainer, suction and discharge piping, wall mounting bracket, and air release valve (if applicable). The system shall include a preparation tank made of FRP material, having a net capacity of 100 litres with a diameter of 550 mm and height of 375 mm + 300 mm conical bottom, providing a total gross height of 1000 mm with stand. The tank shall include water inlet line, outlet with strainer, drain, overflow arrangement, conical bottom for sludge deposition, pot hole with cover, level gauge, and a 120-watt, 900 RPM, single-phase, flange-mounted agitator motor with plastic shaft and impeller. The tank shall also have a lid with inspection opening and an air vent cap for pressure balancing. Additionally, a service tank of 100-litre capacity made of FRP with a diameter of 480 mm and height of 575 mm shall be provided. The tank shall be equipped with water inlet line, dosing pump inlet connection, drain, overflow, level gauge, inspection port, and a 120-watt, 900 RPM, single-phase, flange-mounted agitator motor with plastic shaft and impeller. The tank shall also have a provision for mounting the pump on the lid or wall, along with a cover . All items shall be of AQUAFIT make or equivalent with prior approval, and the scope includes complete installation, commissioning, and handing over in working condition, including all necessary electrical connections.all as specified and directed by engineer in charge

Supply and fixing inrepair of chlorine feeding dosing pump suitable for precise chemical dosing in water treatment applications. The unit shall be of approved make or equivalent, operating on a 230V, 50Hz AC power supply, with a maximum output capacity of 10 LPH and pressure rating up to 5 kg/cm². The controller shall include a front-mounted adjustable stroke rate dial (0–100%) for accurate dosing control, an ON/OFF switch, power indicator light, and sturdy enclosure with corrosion-resistant yellow powder coating. It shall be mounted on a wall or support frame as required, with all accessories such as suction and discharge tubing connections, mounting brackets, and necessary fasteners included. The system shall be suitable equivalent chlorination pumps and shall be installed as part of the water treatment dosing line, with complete integration and on-site testing to ensure reliable and safe operation.Complete all as specified and directed by Engineer-in-charge.

Supply and fixing inrepair of 5 HP centrifugal pump set, horizontal type, suitable for clean water application. The pump shall be of cast iron body, dynamically balanced impeller, with stainless steel shaft, suitable for continuous duty. The pump should deliver required discharge and head as per site conditions, coupled with squirrel cage induction motor of 5 HP, 3 phase, 50 Hz, 2900 RPM, suitable for 415 V ±10% AC power supply. The pump and motor shall be mounted on a common base frame with flexible coupling and provided with necessary foundation bolts, MS base plate, anti-vibration pads, etc.

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 any 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.

S& F Electric shock tretment chart printed on AO size paper duly plastic laminated and fixed inside a wooden/PVC photo franm of 50 mm width with 3 mm sheet glass and 6 mm plywood backing and suitable hanging arrangement to wall with hooks/steel chain etc.including taking down old unserviceable one complete all as psecified and directed.

S& F First aid chart printed on AO size pepr duly plastic laminated and fixed inside a wooden/PVC photo franm of 50 mm width with 3 mm sheet glass and 6 mm plywood backing and suitable hanging arrangement to wall with hooks/steel chain etc.including taking down old unserviceable one complete all as psecified and directed.

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.

M & L for road cutting including excavation in trenches for laying CI/DI/GI pipe not exc 45 cm wide and n. exc 75 cm depth as per site requirement including making good the disturbed surface with cement concrete (1:3:6) type C-1 and top surface neatly finished to match with the existing complete all as specified