Tender For Laying Of 300Mm Dia. D.I. And M.S. Pipe Line For Recirculation Purpose From Sludge Pump House To Raw Water Collection Well Along With Modification Of Existing Sludge Ring Pipe Line At Wtp -Iv, Grww.
Tender Value
4.98 Lakhs
Estimated cost
Bid Submission
12 Sep 2026
1 days left
EMD
10000
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Kolkata → West Bengal
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Laying Of 300Mm Dia. D.I. And M.S. Pipe Line For Recirculation Purpose From Sludge Pump House To Raw Water Collection Well Along With Modification Of Existing Sludge Ring Pipe Line At Wtp -Iv, Grww.
BOQ
| Sl. No. | Item Description |
| 1 | Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of75 m. as directed. The item includes necessary trimming the sides of trenches levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm. |
| 2 | Carriage of CI / Dl / ERWMS / AC pipes including loading into truck at the lifting point, unloading at destination and stacking properly in godown or yard etc. as directed (Including carriage by head load upto 30 metres at eachof the two points. The rate covers all the above operations, actual transport all complete.diameter in mm 125 carriage....carriage....diameter in mm 300 upto 5km |
| 3 | Lowering any type of Ductile Iron (DI) pipes &specials and laying along trench at any depth as per speclfication and direction of the Engineer-incharge, ( laying over ground. the rates shall be, reduced by 10% and the rates so reduced shall be inclusiveof cost of all sorts of holding arrangements]Diameter in mm 300mm dia. |
| 4 | Rubber gasket joints to C.l./D.l. pipes and specials all complete to makesthe joint water tight as required hydraulic pressure as per specification and direction of the Engineer-in-Charge.[Cost of Rubber. gasket ofapproved make induding supply to any pointwithin the Kolkata Municipal Area shall be paid separately.}Diameter in mm 300mm dia |
| 5 | Supply of Single/Double bit SBR gasket suitable for jointing CI/DI pressure pipes, conforming to IS : 5382 : 1985 [Popularly known as `Tyton Gasket...]300mm dia |
| 6 | Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness - 20mm -22mm NB Diameter in mm 250 |
| 7 | Cutting to requisite length or shape departmental R.S. joists,channels, angles, tees, plates etc. (Payment to be made on area of cut surface) |
| 8 | Welding in M.S. structural work with gas or electric: (a) Tack weld |
| 9 | Welding in M.S. structural work with gas or electric: (b) Continuous weld. |
| 10 | Supplying including cost of installation of D.I. Dismantling Joints is a variable length Double Flanged Short Piece constituted by a flange / Spigot Tailpiece inserted into the other Tailpiece which allows the distance betweenthe two flanges to be varied within certain limits thus providing a variable distance piece between two fixed flange end devices like Pumps and Valves. The Dismantling Joint to be supplied complete with Sealing Rubber Gaskets of EPDM quality (IS:5382/1985 Type-4), Cast Iron Follower Glands and Mild Steel (Zinc Coated) Nut Bolts as per manufacturer specification. The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS: 1538. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. Diameter in mm. with minimum barrel pipe length in mm. 300mm with length 235 to 360mm |
| 11 | Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification &direction of the Engineer-in-Charge. Diameter in mm 300mm dia. |
| 12 | Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight atrequired hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. Diameter in mm 250mm dia. |
| 13 | Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight atrequired hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. Diameter in mm 150mm dia. |
| 14 | Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight atrequired hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. Diameter in mm 100mm dia. |
| 15 | Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc (This item is applicable to new work or old work when the originalsurface has been exposed by removal of old paint.) |
| 16 | Coating of 'Epoxy' Resin of thickness not less than 160 micron with a lowviscosity,crystallization-resistant epoxy resin base with a reactive diluents combined with high build epoxy amine adducts as per BS5493 standard and a polyamide or amido polyamine or any other suitable hardener. It shall react with epoxy resin at normal ambient temperature, suitable for solvent-free coatings as per recommendedproportion for use on metal,concrete and wood surface to protect from corrosion as well as damagefrom chemical reaction after making the surface free from dust, oil and moisture etc. all complete as per instruction and to the satisfaction of ElC. [This item will be operatedon prior permission from the concerned SE/Dy Chief Engineer] |
| 17 | Hire charges of moveable type mounted earthexcavator having minimum cutter size (1.0 cubic meter) & loader size (2.0 meter length x 0.75m width) for cutting & removal of any kind of soil, spoli etc. including cost of fuel, lubricants & manpower etc. in Water Supply Works. [ This item will be operated on prior permission from the concerned SE/Dy. Chief Engineer] For minimum engagement of 8 hrs. In a day |
| 18 | Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) (a) With earth obtainedfrom excavation of foundation. |
| 19 | Ductile iron double flanged manually operated sluice valve generally conforming to IS : 14846, having body, door, dome, gland in graded ductile iron to IS 1865, four faces and spindle nut of gun metal to IS : 318, inside screw non- rising stainless steel AISI-410 spindle valves suitable formaximum working pressure of 10 kg/cm... and body tested 15 kg/cm..., flanges flat faced and drilled to IS: 1538 :1993. Valves tested by closed end method only. 350mm and above valves arecomplete with enclosed gear box with anti friction device.Diameter in mm 250 |
| 20 | Ductile iron Single Chamber type air release valve having small orifice elastic ball resting on gun metal orifice nipple large orifice vulcanite ball seatingon moduled seat ring, valve with built-in-Kinetic features, isolating sluice valve mounted in horizontal position and operated by a metre wheel gearing:inlet faced and drilled to IS 1538 Table 4 & 6. valvesuitable for maximum working pressure of 10 kg/CM2 Diameter in mm 100 |
| 21 | Supplying, fitting and fixing of C.I. Mechanical Compression Transition Collar Couplings suitable for jointing C.I. Spun Pipes (as per IS: 1536) and D.I. Pipes (as per IS: 8329) with corresponding Inch size Pipes (as per Class-B of BS: 1211). The Couplings to be supplied complete with Sealing Rubber Gasket of EPDM quality (IS:5382/1985 Type-4), Cast Iron Follower Glands and Mild Steel Nut Bolts. The whole assemblyshould be mechanically and hydraulically tested to the provisions as laid down in IS: 1538. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. Diameter in mm x inch. with minimum barrel length in mm. 300mm x 12 inch. withlength 125mm |
| 22 | Hire charges for engaging Air Compressor machine with minimum pressure capacity of 5.0 Kg/sq.cm arrangement including all necessary equipments and operating staff, carriage, fuel, Tools and plants all complete for cutting Road / hard crust cutting with pneumatic hammer at desired point in water supply works as per direction of EIC . a) With Pneumatic hammers For minimum engagement of 8 hrs. In a day |
| 23 | Supplying including cost of installation of cast iron mechanical joint Double socket 45... Bendas dimentionally described in IS : 13382/2004 for connecting two plain ends of Cl/DI pipes with C.I body and follower gland, zinc coated MS. fasteners and sealing rubber gasket of EPDM quality as per IS: .13382:2004 complete. Diameter in mm 300 |
| 24 | Supplying including cost of installation of cast iron mechanical joint Double socket 22...... Bend as dimentionally described in IS : 13382/2004 for connecting two plain ends of Cl/DI pipes with C.I body and follower gland, zinc coated MS. fasteners and sealing rubber gasket of EPDM quality as per IS: .13382:2004 complete.Diameter in mm 300 |
| 25 | Supplying including cost of installation of cast iron mechanical joint Double socket 11...... Bendas dimentionally described in IS : 13382/2004 for connecting two plain ends of Cl/DI pipes with C.I body and follower gland, zinc coated MS. fasteners and sealing rubber gasket of EPDM quality as per IS: .13382:2004 complete. Diameter in mm 300 |
| 26 | Supplying including cost of installation of C.I. Mechanical joint Reducer/Enlarger as dimensionally described in IS:13382/2004. Each Reducer consists of One C.I. Body, Two C.I. Follower Glands of different diameter, Two sealing Rubber Gaskets (Conforming to IS:5382/1985 Type-4) and Zinc coated M.S. Fasteners of adequate numbers. The whole assembly is mechanically and hydraulically tested to provisions aslaid down in IS: 13382/2004. Diameter in mm 300 x 250 |
| 27 | Chamfering the spigot end of C.l./D,l. pipes for fitting with the socket of C.I./D.I pipes and/or specials in tyton jointed water mains or other wise using electric grinder as per specification and direction of the Engineer-in-Charge.Diameter in mm 300mm dia. |
| 28 | Labour for laying single brick flat soling including ramming and dressing bed to proper level and filling joints with powdered earth. |
| 29 | Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness - 20mm -22mm NB Diameter in mm 150 |
| 30 | Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness - 20mm -22mm NB Diameter in mm 100 |
| 31 | Lowering, fitting and fixing of all types of valves in proper position and alignment using chain pully block or crane(for diameter above 250 mm) by providing temporary support,as required,gaskets,nuts& boltsetc.all cornplete as per specification and direction of the Engineer-in-Charge.[The rate Includes cost of flange joints]250mm dia. |
| 32 | Lowering, fitting and fixing of all types of valves in proper position and alignment using chain pully block or crane(for diameter above 250 mm) by providing temporary support,as required,gaskets,nuts& boltsetc.all cornplete as per specification and direction of the Engineer-in-Charge.[The rate Includes cost of flange joints]150mm |
| 33 | Lowering, fitting and fixing of all types of valves in proper position and alignment using chain pully block or crane(for diameter above 250 mm) by providing temporary support,as required,gaskets,nuts& boltsetc.all cornplete as per specification and direction of the Engineer-in-Charge.[The rate Includes cost of flange joints]50mm dia. |
| 34 | Dewatering by pumps including all leads, lifts and making all arrangements of disposal. where continuous flow of water from a source other than natural orground water is encountered in case of emergency maintenance works related to leakage. breakage and making wet connections. [Note ;- In case of any other situation demanding such emergency dewatering. use of this item is to be approved by the SuperintendingEngineer/Tender Accepting Authority. This item shall be executed on the specific direction duly supported by proper clarification of the E.I.C. who will be satisfied in absolute discretion that such work has not been necessitated due to any natural source of water or any fault of the Contractor] |
| 35 | Estimated amount |
| 36 | 18 % GST |
| 37 | 1% CESS Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Aug 25, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 12, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 1 daySep 14, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 3 daysTender Documents
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