Inter Connection And 100Mm Dia D.I. Pipe Laying With Supply Of Specials And All Fitting And Fixing Complete In Deep Tube Well With Existing Pipe Line Beside Bandhan Bank, Ward No.28 Under Naihati Municipality.
Tender Value
3.21 Lakhs
Estimated cost
Bid Submission
24 May 2025
0 days left
EMD
6435
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
naihati → West Bengal
EMD Exemption
Not Available
Quantity
Not Available
Website
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Address
Project Description
Inter Connection And 100Mm Dia D.I. Pipe Laying With Supply Of Specials And All Fitting And Fixing Complete In Deep Tube Well With Existing Pipe Line Beside Bandhan Bank, Ward No.28 Under Naihati Municipality.
BOQ
| Sl. No. | Item Description |
| 1 | Excavation of trial pit (3.0 m x 1.0 m x (upto) 3.0 m) for fixing of pumpingmain, washout line raking every detection against damage of S.W. pipeline electrical cable etc. as underground obstruction including 37.5 mmtimber shuttering, earth cutting, dewatering, barricading and back fillingetc. as per directions of E-I-C |
| 2 | Earth work in excavation of foundation trenches or drains, in all sorts ofsoil (including mixed soil but excluding laterite or sandstone) includingremoving, spreading or stacking the spoils within a lead of 75 m. asdirected. 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. |
| 3 | Hire and labour charges for shoring work (including necessary close plank walling, framing, Eucalyptus/Jhou bulla piling, strutting etc) complete as per direction of the Engineer-in charge for foundation excavation (vertical surface are in contact with supported earth is to be measured.) (This item should be executed on specific direction of the Enginner in charge).(a) Depth upto 1.5 m. |
| 4 | Filling in foundation or plinth by silver sand in layers not exceeding 150mm as directed and consolidating the same by thorough saturation withwater, ramming complete including the cost of supply of sand. (Paymentto be made on measurement of finished quantity)B) Do - by fine sand |
| 5 | Earth work in filling in foundation trenches or plinth with good earth, inlayers not exceeding 150 mm. including watering and ramming etc. layer by layer complete.(Payment to be made based on the basis of measurement of finished quantity of work.(a) With earth obtained from excavation of foundation |
| 6 | Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. |
| 7 | Cutting & picking up existing metalled black top portion of road surface to an average depth of 300 mm by using Jack hammer with all necessary tool and plant including reening the serviceable materials & stacking within a lead of 75 mtr. all complete as per direction of the Engineer-in- Charge. |
| 8 | Removal of rubbish, earth etc. from the working site and disposal of thesame beyond the compound, in conformity with the Municipal /Corporation Rules for such disposal, loading into truck and cleaning thesite in all respect as per direction of Engineer in charge. |
| 9 | Lowering any type of Ductile Iron (DI) pipes & specials and laying alongtrench at any depth as per specification and direction of the Engineer-incharge, ( laying over ground, the rates shall be, reduced by 10% and the rates so reduced shall be inclusive of cost of all sorts of holdingarrangements]100mm dia. |
| 10 | Rubber gasket joints to C.l./D.l. pipes and specials all complete to makes the joint water tight as required hydraulic pressure as per specification and direction of the Engineer-in-charge. [Cost of Rubber. gasket of approved make induding supply to any point within the Kolkata Municipal Area shall be paid separately.]100mm dia. |
| 11 | Cutting of C.l/D.I pipes for fitting with pipes and-or specials of similar ordissimilar materials at the time of laying without damaging any part ofthe required length including taking out of the broken pieces from thetrench and restacking the same at the specified location as per directionof the Engineer-in-charge.100mm dia. |
| 12 | Chamfering the spigot end of C.l./D.l. pipes for fitting with the socket ofC.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 Engineerin- charge100mm dia. |
| 13 | 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 & bolts etc. all cornplete as per specification and direction of the Engineer-in-charge.[The rate Includes cost of flange joints]100mm |
| 14 | Hydraulically testing of C.l./D.I/A.C pipe lines in sections, under a headof water not less than 60m (6Kg/Cm2 .pressure) or above as per specificrequirements by filling the main with supply of water including supply ofall specials and equipment like pump sets, gauges, end caps blank flange etc. all complete as per specification and direction of the Engineer-incharge.[After successful completion of test, removal of ancillary specials, equipments, plugging arrangements and disposal of water shall be made at no extra cost]100mm dia. |
| 15 | Disinfection of water main by filling with water containing bleachingpowder of sufficient quantity capable of maintaining a residual chlorineconcentration of 10mg/l within the main after a detention period of twohours and flushing the same with fresh water all complete as perspecification and direction of the Engineer-in- Charge.[After successful completion of the process, disposal of water andbacteriological testing of sample of flushed out water from the mainsshould be made at no extra cost]100mm dia. |
| 16 | Dewatering by pumps including all leads, lifts and making all arrangements of disposal, where continuous flow of water from a source other than natural or ground 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 Superintending Engineer/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 |
| 17 | Supplying, fitting and fixing of C.I. Mechanical flexible Flange SocketTailpiece suitable for making flanged connection with the plain barrel of C.I. Spun Pipes (as per IS : 1536) and D.I. Pipes (as per IS : 8329). The Tailpieces to be supplied complete with Sealing Rubber Gasket of EPDM quality (IS:5382/1985 Type-4), Cast Iron Follower Glands and Mild SteelNut Bolts (Zinc Coated). 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.100mm |
| 18 | Cost iron double flanged manually operated sluice valves generallyconforming to IS 14846 : 2000, having four faces and spindle nut of gunmetal, inside screw non- rising type quality gunmetal /AISI 410 spindle: seat tested to 10kg/CM2 and body tested to 15kg/CM2, flanges flat faced and drilled to 1S. : 1538 : 1993. Painted black all over with asphalt base paint. Valves tested by closed end method.100mm |
| 19 | All types of Ductile Iron (D.I) Specials (viz. Bend, Tee, Taper, Tail piece etc), size conforming to I.S. Specification No. 9523/2000 with cement mortar lining (inside) and bituminous coating (outside). (25% of payment will be held up till successful hydraulic testing) c) Tail Piece 100mm to 300mm dia. |
| 20 | d) Flanged Tee100mm to 300mm dia. |
| 21 | e) Double Flanged Bend 100mm to 300mm dia. |
| 22 | Supplying including cost of installation of cast iron mechanical joint Double socket 90° 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 qualityas per IS:13382:2004 complete.100mm |
| 23 | Cast iron double flanged single door swing Non-Return Valve generally conforming to IS 14846 having body, door cover in graded cast iron to IS 210 Gr. FG 200, body and door rings and bearing block of leaded tin bronze to I.S 318 Gr. LTB 2, hinge pin of ST AISI410 valves suitable for maximum working pressure of 10/16 kg/cm2 and body tested15/24 kg/cm2.100mm |
| 24 | Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground flooras per relevant IS codes. |
| 25 | Add 18% GST |
| 26 | Supply and delivery (at site) of DI pipesconforming to IS 8329: 2000. Centrifugally cast (spun) Ductile iron pressure pipes for water gas and sewage with cement mortar lining (Inside) and bituminous coating (Outside). Class K-7 Diameter in 100 mm |
| 27 | Add 1% CESS |
AI Tender Summary
Tender Timeline
May 15, 2025
11:30 IST
Tender Published
Tender notice published.
CompletedMay 24, 2025
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedMay 26, 2025
Bid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
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