Augmentation of Water Supply Scheme Tangnar by way of Electro-Mechanical Works required for commissioning of 05 cusec non clog submersible pumps at WSS Tangnar stage-1st

Amount

Fabrication, providing, handling, laying in trenches , installation, testing and commissioning of 350 mm Nominal Diameter 6.4 mm thick ERW ISI-mark Mild Steel Pipesfor connecting the delivery lines from individual 200 mm Dia delivery pipes of two no submersible pumps as per the technical specifications as under: S.No Details Requirement 1 Nominal Diameter = 350 mm 2 Thickness = 6.4 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 = ERW 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-Fe410) 7 Hydraulic test pressure = As per 10.1 of IS 3589 8 Working pressure = PN10 9 End preparation = As per 17.1 of IS 3589 where V-groove is to be made by machine-grinding edges of the pipe 12 Type of welding to be used for joining pipes = DC arc welding 13 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 major portion of the pipe is underground including excavation of the earth in trenches. 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/increaser/reducer 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.

Fabrication, providing, handling, laying in channels, installation, testing and commissioning of 200 mm Nominal Diameter 6.4 mm thick ERW ISI-mark Mild Steel Pipesin vertical positionsas column pipe for connecting the delivery end of individual submersible pumps installed n intake channel cum sump as per the technical specifications as under: S.No Details Requirement 1 Nominal Diameter = 200 mm 2 Thickness = 6.4 mm 3 Length of each Column pipe = Pipe shall be in single random length of 1.52 meter as per Clause 12.4 of IS 3589 4 Type of welding = ERW 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-Fe410) 7 Hydraulic test pressure = As per 10.1 of IS 3589 8 Working pressure = PN10 9 End preparation = As per 17.1 of IS 3589 where V-groove is to be made by machine-grinding edges of the pipe 12 Type of welding to be used for joining pipes with flanges = DC arc welding 13 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 red oxide paint in two coats. The mild steel pipe line shall be laid as per contour/ layout plan defined by the department as per site requirement. Pipes are to be welded circumferentially with 200 mm ND MS flanges of 18 mm thick from end to end in 2-3 runs 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/increaser/reducer/ Tee’s 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.

Fabrication, providing, handling, installation, testing and commissioning of 200 mm Nominal Diameter Mild Steel flanges as per the technical specifications as under: S.No Details Requirement 1 Nominal Diameter = 200 mm 2 Thickness = 18 3 Hydraulic test pressure = As per 10.1 of IS 3589 4 Working pressure = PN10 5 Type of welding to be used for joining flangeswith pipes= DC arc welding 6 Tolerances = As per clause 12.3 of IS:3589 7 No of Holes = 08 No’s Installation Installation of the Flanges includes carrying of these flanges from manufacturing place to the site of installation which involves loading/ unloading at respective sites. External surface of flanges to be painted with two coats of steel primer and red oxide in two coats. The mild steel flange shall be fitted as defined by the department as per site requirement. flanges of are to be welded at extreme ends of 200 mm Dia MS column pipe of 1.52 meters long along with bends, Tee’s, increasers, reducers etc from end to end in 2-3 runs 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 extreme ends of bends/ offsets/increaser/reducer/ Tee’s wherever necessary shall be weldedwith MS flanges by the contractor within quoted price. The job also includes providing and fitting of RI cloth/rubber washer, Fastenersas required.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.

Fabrication, providing, handling, installation, testing and commissioning of200 mm Nominal Diameter Mild Steel flanges with PCD= 12.5 inch as per the technical specifications as under: S.No Details Requirement 1 Nominal Diameter = 200 mm 2 Thickness = 20 3 Hydraulic test pressure = As per 10.1 of IS 3589 4 Working pressure = PN10 5 Type of welding to be used for joining flangeswith pipes= DC arc welding 13 Tolerances = As per clause 12.3 of IS:3589 Installation Installation of the Flanges includes carrying of these flanges from manufacturing place to the site of installation which involves loading/ unloading at respective sites. External surface of flanges to be painted with two coats of steel primer and red oxide in two coats. The mild steel flange shall be fitted as defined by the department as per site requirement. flanges of are to be welded at extreme ends of 200 mm Dia MS column pipe of 1.52 meters long at one extreme endto be adaptable with existing MS flange of Submersible Pumping unit. in 2-3 runs 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 extreme ends of bends/ offsets/increaser/reducer/ Tee’s wherever necessary shall be weldedwith MS flanges by the contractor within quoted price. The job also includes providing and fitting of RI cloth/rubber washer, Fasteners 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 Reflux Valve 200 mm dia PN 16for delivery line of 05 cusec Submersible pumping unit, ISI marked conforming to manufacturing as per IS-5312 Part-1 of 2004 with latest amendments and flange connections as per IS 1538/BIS 4504 along with 02 No Flanges of 18/20 mm thickness adaptable with flangesof valve on both ends having thickness as per relevant IS code with RI cloth and suitable fasteners. 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 200, PN 16 Sluice valve, ISI marked, conforming to IS 14846 for delivery lines of 05 cusec pumping unitwith 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 f) Mode of Opearation==Hand wheel The job also includes providing and fitting of RI cloth/rubber washer, MS flanges of 18/20 mm thickness adaptable with above valve on both sides having thickness as per IS code, nuts and bolts and then testing of same on full load.

Supply installation, testing and commissioning of DN 50, PN 16 Air Release Valve, ISI marked, conforming to IS 14846 for 350 mm ND rising mainwith following specifications:- Material of construction: - a) Body, Bonnet : Ductile iron b) Float :Polyethylene/Stainless Steel c) O rings :NBR/EPDM d) Washers & Bolts :Galvanized steel The job also includes providing and fitting of RI cloth/rubber washer, vertical 50 mm Dia MS tail piece with 50 mm dia gate/ball valve arrangement MS flanges of 12/18 mm thickness adaptable with above valve on one sides having thickness as per IS code, nuts and bolts and then testing of same on full load.

Providing, fitting, laying & successful commissioning of 10 sq. mm 4 Core Submersible Copper cables suitable for voltage grade 1.1 Kv as per IS 7098-1 with latest amendments in Single lengths /runs for connecting Starter assemblies fitted in New L.T Modular control panel within pump house with the existing Two no Submersible motor assembly at stages 1st. Connections at end termination and intermediate shall be made proper by appropriate long barrel Cu thimbles/ lugs using proper hydraulic crimping tools and insulation Tapping’s.

M/s Shaheen Enterprises

M/S YASIR ELECTRICAL and MECHANICAL WORKS