Augmentation of WSS Tangnar from 10 MGD to 12.5 MGD balance works by way of SITC of Pumping Units and allied works at WSS Tangnar stage 1st and 2nd.

Design, Manufacture, Supplying, Installation, Testing & Commissioning of 22 Cusec Discharge, 17M Dynamic head (Approx.) Vertical Turbine Pump coupled to Squirrel Cage Induction motor of 180 KW rating or above mounted on common base frame/Motor Stool at pump house Stage 1st.(..........As Per Serial No. 1 of Annexure D)

Supply installation testing and commissioning of 600mm ND rubber flexible Joint having: i) Pressure rating: - PN 25 not less than 25 Kg/sqcm ii) Compression/Elongation: - 50 mm (minimum) iii) Type: - Bellow. iv) Length (without Elongation):- 600mm. v) The flexible joint shall be of rubber, bellow type having integral flanged ends made of high-grade abrasion resistance natural rubber compound reinforced with adequate number of piles of heavy-duty cotton duct rayon cords impregnated with rubber compound and further reinforced with metal rings. The joint shall have flanges integral with the body faced and drilled with: - a) No of Holes =20 b) Dia of Hole=30mm c) Thickness of rubber flange=25 mm. The flange shall match with the flange of the discharge elbow on one side and with the flange of the delivery pipe on the other side. All the nuts and bolts with washers, gaskets along with complete controlling unit for the rubber bellow with adjustable bolts and MS flanges in split parts with thickness not less than 12 mm shall be provided and fitted by the firm for complete testing and successful commissioning of the bellow on full load using skilled labour, tools and tackles as required for carrying out job at site.

Fabrication, providing, handling, laying, installation, testing and commissioning of 600 mm Nominal Diameter 8 mm thick HSAW ISI-mark Mild Steel Pipes for connecting the delivery line with the common header as per the technical specifications as under: S.No Details Requirement 1 Nominal Diameter = 600 mm 2 Thickness = 8 mm 3 Length of the pipe = Pipe shall be in single random length from 4 to 7 meter as per Clause 12.4 of IS 3589 4 Type of welding = HSAW 5 Quality of MS plate to be used for manufacture = As per IS 2062 6 Pipe to be manufactured = As per IS 3589 having one longitudinal joint with latest amendments (Grade Fe-410) 7 Hydraulic test pressure = As per 10.1 of IS 3589 8 Working pressure = PN 10 9 End preparation = As per 17.1 of IS 3589 where V-groove is to be made by machine-grinding edges of the pipe 10 Type of welding to be used for joining pipes = DC arc welding 12 Tolerances = As per clause 12.3 of IS:3589 Installation Installation of the pipe includes carrying of these pipes from manufacturing place to the site of installation which involves loading/ unloading at respective sites. External surface of pipes to be painted with two coats of steel primer and black bituminous paint in two coats. The mild steel pipe line shall be laid as per contour/ layout plan defined by the department “Under Ground/Above Ground” as per site requirement. The laying of pipes shall be carried out as per IS:5800. Pipes are to be welded circumferentially end to end in 2-3 runs in addition to the root filling of the V-grooves using high-quality welding electrodes and making the joints absolutely leak proof. Any excessive welding material is to be grinded for even finish. The welding joints thus formed shall withstand the working pressure. The bends/ offsets wherever necessary shall be fabricated by the contractor out of the supplied pipe within quoted price. All tools and tackles like tripod stand, lifting/ pulling machines, welding machine, electrical generator etc. required for handling/ laying/ joining any other activity for completion of job shall have to be arranged by the firm.

Supply installation testing and commissioning of Resilient Slant Seated Swing Type Reflux Valve 600 mm Dia PN 16 for delivery line of 22 cusec pumping unit. The valve shall be manufactured as per the prevalent applicable IS Code/ International Standards (BS/EN). Besides 02 No MS flanges with fasteners, RI cloth having thickness of flange and dimensions of fasteners as per Table 17 of IS 6392 or as per relevant IS Code/ International Standards (BS/EN). The PCD and Dia of holes shall be compatible with the flange of the control valve and then testing of same on full load. Body: Ductile Iron Bonnet : Ductile Iron Disc : Ductile Iron Plug : Brass Surface Protection: Electro static epoxy powder coating.

Supply installation, testing and commissioning of DN 600, PN 16 Sluice valve, as per the prevalent applicable IS Code/ International Standards (BS/EN) for delivery lines of 22 cusec pumping unit with following specifications: Material of construction: - a) Body, Bonnet : Ductile iron b) Wedge : Ductile iron c) Spindle/Stem : St Steel as per AISI 420 d) Stem nut : Copper Alloy e) Bonnet Gasket : EPDM rubber The job also includes providing and fitting of RI cloth/rubber washer, Fasteners MS flanges as per Table 17 of IS 6392 or as per relevant IS Code/ International Standards (BS/EN). The PCD and Dia of holes shall be compatible with the flange of the control valve and then testing of same on full load.

800A, 3 phase Neutral L T Motor Starter Control panel Design, Fabrication/manufacturing, providing, fitting installation, testing & successful commissioning of 800 Ampere Star Delta Motor Starter Control Panel fabricated out of 16 SWG sheet having required limited openings / vents so that the ingress of insects and rodents is prevented and fitted with accessories as under. The Panel shall be fabricated out of CRCA Sheets Modular, compartmentalized, Free Standing, Floor Mounting, Front hinged doors for indoor use, removable bottom & Side gland plates for incoming and outgoing cables, dust and vermin proof (IP: 42 protection) with TPN Cu Buses, complete with connection, internal wiring, name plates, painting etc generally as per details furnished below to be installed inside Pump house. (................. As per Serial no.1.05 of Annexure D)

Design, Fabrication/manufacturing, providing, fitting installation, testing & successful commissioning of Star Delta Motor Starter fabricated out of 16 SWG sheet having required limited openings / vents so that the ingress of insects and rodents is prevented and fitted with accessories as under. The Starter shall be fabricated out of CRCA Sheets Modular, compartmentalized, Free Standing, Floor Mounting, Front hinged doors for indoor use, removable bottom & Back Side gland plates for incoming and outgoing cables, dust and vermin proof (IP: 42 protection) with TPN Cu Buses, complete with connection, internal wiring, name plates, painting etc. generally as per details furnished below to be installed inside Pump house. (................. As per Serial no.1.06 of Annexure D)

Supply, fabrication, Installation, Testing and Successful Commissioning of 3 Phase 500 KVA/630 Amperes Oil Cooled Voltage Stabilizer unit working on 3 phase 50+ 3% Hz AC voltage of Range: 200-440 V of Copper wound at least not less than 80 kgs of copper strips per leg with adequate fibber glass insulation and suitable to the duty to be performed. Having Core of rolled high silicon steel lamination held together with the help of steel clamp; material should be such that both magnetized currents and the core losses are minimum. The core shall be contained in a box type container made out of 2 mm thick Mild Steel plate. The container shall be painted in two coats of steel primer both inside and outside and with two coats of super enamel paint of grey shade (Spray paint) from outside the tank. The box shall be provided with suitable cooling pipes/ radiator fins to dissipate the heat generated. Hooks of proper size for lifting stabilizer shall be provided on the top of the tank. The container of the stabilizer shall be mounted on wheels for easy shifting/positioning as and when required. The stabilizer shall have suitable insulated lugs of appropriate size for cable connection. The indicating glass of the transformer oil shall also be provided on the stabilizer body at suitable place: (................. As per Serial no.1.07 of Annexure D)

Providing, fitting laying in trenches, successful commissioning of 630 sq. mm Single core Armoured, XLPE insulated AL cables suitable for voltage grade 1.1 KV as per IS 7098-1 with latest amendments in three lengths /runs for connecting main L.T Motor Starter control panel within pump house with the existing Electric Transformer Sub-Station at stages 1st as Power lines. Connections shall be made proper by appropriate long barrel AL thimbles/ lugs using proper hydraulic crimping tools and insulation Tapping’s.

Providing, fitting laying in trenches, & successful commissioning of 400 sq. mm Single core Armoured, XLPE insulated AL cables suitable for voltage grade 1.1 KV as per IS 7098-1 with latest amendments in Six lengths /runs for connecting input & output Supply from ACB and Common Bus Bar arrangement respectively in main L.T Motor Starter control panel within pump house with the Voltage Stabilizing unit at stages 1st as Power lines. Connections shall be made proper by appropriate long barrel Cu thimbles/ lugs using proper hydraulic crimping tools and insulation Tapping’s.