Supply, installation, testing and commissioning of electro-mechanical equipments at water supply scheme Bonrakh Zahidbagh

Amount

WSS Bonrakh Zahidbagh (Adv. Cost: Rs. 7,89,000/-)

De-silting/cleaning of 5000 GPH Tube Settler filtration plant by way of Pre Settling tank Disassembling of the light weight FRP strips/pieces fitted in tongue and groove arrangement from slots of Pre -settling tank by using skilled labour, tools and tackles with utmost care and precautions to avoid damage to. - The dismantled FRP strips have to be shifted to a safer place for its stacking and stacking properly to avoid any fracture or damage of the FRP Strips/pieces and include all head load involved in carrying the job at site. - The FRP strips so dismantled are to be taken one after another and cleaned from both sides using brushes, soap scrubbers and other cleansing agents for removing the crust layer of silt/mud and other foreign bodies accumulated on it to achieve a clean and smooth surface. - The area of the Pre Settling Tank below the slots for fitment of FRP Plates/ strips need to be cleared off from the accumulated silt on walls including bottom portion of MS tank. The job is to be carried out by skilled Labour, tools and tackles as required for carrying out the job at site. - After Cleaning of PVC strips, MS PRE Settling Tank shall have be cleaned inside and outside by way of using brushes, soap scrubbers and other cleansing agents for removing the crust layer of silt/mud and other foreign bodies accumulated on it to achieve a clean and smooth surface. - The FRP strips after cleaning are again to be installed in the slots of the Pre settling tank at its proper place and position of fitment with utmost care and precautions to be taken to avoid any damage to the FRP Strips to achieve the required surface area as designed for the flocculator of the presetting tank. Flocculater Tank , Alum Mixing Chamber & Agitator chamber - Flocculator Chamber and Alum Mixing Chamber shall have to be cleaned inside thoroughly by way of using brushes, soap scrubbers and other cleansing agents for removing the crust layer of silt/mud and other foreign bodies accumulated on it to achieve a clean and smooth surface. The includes dismantling of prime movers and blades / churner so that proper cleaning is achieved. [30Labours @503/Labour]

P/F of UV insulated 2 mm thick corrugated FRP sheets .

Removal of choked filter media from pressure filter vessel .The job includes all loads and lifts, disposal of choked media to dumping site outside the premises of the plant. De-silting of pressure vessel Chamber shall have to be cleaned inside thoroughly by way of using brushes, soap scrubbers and other cleansing agents for removing the crust layer of silt/mud and other foreign bodies accumulated on it to achieve a clean and smooth surface following the removal of chocked filter media from the vessel manually . The vessel needs to be cleaned properly and dried before laying of fresh media [10 Labours @733/Labour]

Providing and laying of filter media of specific size and grade to be laid in 5000/6000 GPH Pressure vessel duly washed, free from dust, dirt, loom and any other inorganic material or suspension .the job includes carriage of filter media from Ganderbal to site including all loads and lifts required on the site condition. The media is to be lad in different layers of specific size and grade from bottom to top over the filter bed plate. The bottom layer is to be laid without tilling/damaging the pressure nozzles.

Providing and fitting of 12 mm dia. Fine threaded PVC nozzles auxiliary type to be fitted on filter bed plate of pressure vessel.

Providing and fitting of 29 inch. Dia. rubber washers /gaskets for manhole and inspection chamber and opening of pressure filter vessel.

Replacement of agitator / flash mixer in alum solution holding tank fabricated out of wetted parts in stainless steel. Speed 20-30 rpm .intermediate bearing paddle type twin blades free standing type.

P/I/T/C of air scavenging/blower unit of following parameters Capacity: -145 cubic meter per hour rating 0.4 bar Pressure: -5PS10 Speed: - 1450 RPM Motor As per requirement

Providing and fitting of pressure gauges with adopters to replace damaged ones these pressure gauges should be in the range of 0-50 kgf/cm/sg and be reputed make.

P/F of various size Butterfly Valves. The job includes providing and fitting of nuts and bolts and washers with allied mechanical works

Replacement of 65/80 mm dia. cast iron diaphragm valves by way of inducing fresh DI Gate/Butter fly valves with pressure rating of PN16. The job includes providing and fitting of nuts and bolts and\ washers and necessary mechanical works

Painting with synthetic enamel paint two or more coats of approved brand and bar pressure clarifier pressure filter vessel, fittings and complete piping after cleaning of dirt by kerosene oil and application of steel primer of specific grade.

P/F of 03 no’s CI 80 mm (Ball Valves-Reputed make) The job includes providing and fitting of nuts and bolts and washers with allied mechanical works with fittings etc.

P/I/T/C of backwash pumping equipment of following parameters Discharge-16lpsHP-5, Head range 6-15mtr

Providing & Fitting of Dozing pumps to doze required quantity of alum/Chlorine in the system. The capacity of the dozing units shall be 0-12 LPH capacity. Dozing pups shall be provided with all required accessories including 200 ltrs. PVC tanks and cable for connection. Each pump shall be provided with 20 mtrs. Cable as per required specification.

Providing and fixing of nuts and bolts of required size and thickness

Supply, Installation, Testing & Commissioning of Non-clog Pumping Unit as per IS 5600 at Raw Water Stage. PUMP: - Type of pump : Non–clog Open well Submersible Vertical Pump • Solid Handling Capacity: 20mm (Minimum) • Quality of water: Raw water of river to be handled Q=5000GPH & H=30 m MATERIAL OF CONSTRUCTION: • Pump Casing : Cast Iron • Impeller : Stainless Steel • Pump Shaft : Stainless Steel • Motor Body : Cast Iron • Sealing : Dual mech. seal  The bowl plate shall be provided with name plate depicting all specifications MOTOR: - • Type : Squirrel Cage 3-Phase Induction Motor • Rating : Suitable for above parameter • Method of starting: Star – Delta. • Frequency : 50Hz + 3% • Voltage : 415 ± 6 %, - 15% • Class of insulation: Suitable for above rating. • Sealing Dual mech. seal. Provided with thermal and overload protection The motor shall be made of corrosion resisting materials to resist corrosion under normal conditions and the motor shall have a name plate depicting all specifications Dual Mechanical Seals (01 No) and Bearings (02 No) for the pumping unit must be provided as spare parts for preventive maintenance by the firm. for each pumping unit Note: Test certificate having the Serial No. of the Pumping Unit along with the performance curve in duplicate from the Manufacturer must be produced on delivery of the item. . The job includes providing and fitting of flanged delivery pipe G I 80 mm dia B class for connecting as per requirement/site condition with steel rope and fasteners etc ( head of pumping unit may change approximately by plus minus five percent) Motor Rating= 10 Hp

Providing/supplying and fitting of G.I flanged Rising Main at site. The Pipe shall be hot dip Galvanized, class B confirming to IS 1239. The job includes providing and fitting of M.S Flanges conforming to BIS 6392/1997 Table 17 (Rating PN16). The flanges shall be double welded both from inside and outside of the pipe using standard electrode of reputed make.Flanges (as per IS 6392/1997 Table:17) Thickness shall conform to IS 6392 Part 1st Table-17. Detailed specification as per cluase "8" of of SBD DN80B(Medium ) pipe

Providing and fitting of 3-Core flat submersible copper cable conforming to IS: 694 (Part 1st) –1964 & IS: 694 (Part 2nd) - 1964 for Submersible Pumping Unit and other electrical Equipment. The cable connections terminal shall be fitted with copper thimbles of required size. The main specification of the cable is given below: Rest specification as per cluase "47" of SBD. size : 6 sq mm

Providing and fitting of 3-Core flat submersible copper cable conforming to IS: 694 (Part 1st) –1964 & IS: 694 (Part 2nd) - 1964 for Submersible Pumping Unit and other electrical Equipment. The cable connections terminal shall be fitted with copper thimbles of required size. The main specification of the cable is given below: Rest specification as per cluase "47" of SBD. size : 10 sq mm

Providing and Fitting of 2 core, XLPE, 1.1KV and 1.1KV grade Armoured Aluminum Cable of various sizes conforming to IS: 7098 part 1st as service line from the HT transformer to control panel including necessary thimbling, crimping, taping etc. Rest specification as per cluase "71" of SBD. Size10mm sq

Repairs/replacements to the modular panel of pumping equipments by way of replacement of damaged contactors MNX 14 MNX-12, MNX-9 ( 8 No) along with thermal overload relays MN 2 ( Directly operated ) of following relay ranges : Relay Range 6-10 ( A ) / 0.9 -1.5 / 3-5/ ( 06 Nos) for all pumping units of filtration plants and replacement of control wiring, MCCB’s , phase indication lamps, selctor switchs etc and then testing on load. Specifications of Relays can be varied and shall have to be fitted as asked by the site incharge /AEE.

Supply, installation, Testing & commissioning of 1000VA Full Sine wave power inverter (Make: Reputed) including Providing / Installation of 12V, 180AH Tubular inverter Battery with trolley and cover. (Make: Reputed) with 2-core 6mm2 Cu wiring as per site requirement along with other accessories like SS-Combine (02 No’s), 3-pin plugs etc of reputed make for proper fitment and installation of the item.