Public Works Department-PWD has published Tender For Urgent Protection And Replacement Of 300 Mm Ac Pipeline With Ms Pipeline Near Culvert On Main Road Colva Village Of Benaulim Constituency. Submission Date for this Tender is 20-06-2023. Pipe Laying Tenders in South Goa Goa. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 06-Jun-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 20-06-2023 |
| Sl. No. | Item Description |
| 1 | Earthwork in excavation by mechanical means(hydraulic excavator) manual means in foundation pipeline trenches or drains not exceeding 1.5m in width 10sqm on plan including dressing of sides, ramming of bottoms, for all lead andlift including getting out the excavated soil and disposal of surplus soil with all lead including providing, barricading danger lighting guarding as directed by the departmental officer in all types ofstrata comprising any of the materials such as soil, silt, sand, clay, gravel, moorum of all conglomerated laterite rock, soft rock, fissured shattered decomposed rock or weathered rock and all such other materials as described under Appendix A to these specification either in full or in parts as the case may be adopting any approved method of methods as may be convenient or permittedinclusive of chiselling, wedging, etc, blasting prohibited in all conglomerates as directed by the Engineer-in-charge etc. complete. |
| 2 | Manufacturing and supplying at the site of work ERwelded MS pipes including procurement of plates, gas cutting to required size,rolling, tack welding,assembling in suitable length to form pipe,welding on automatic machine and forming v edge on both ends of pipes, including hydraulic pressure testconforming to IS : 3589- 2001 grade Fe 410 in double random length of 10 to 12.2 metresin bevelled ends including ,freightloading & unloadingmechanical crane & stacking at site etc. complete. |
| 3 | Size in (OD ) in MM for 10mm thickness |
| 4 | a) 323.9 |
| 5 | Supplying stacking at site and conveying hoisting, laying in position to correct line and level and linking joints of MS specials.fabricated from MS plate including cutting, bending, welding, procurement of plates, gas cutting to required size, rolling,tackwelding, assembling in suitable length toform special, welding on automatic machine and forming V edge on both ends of special as required,hydraulic pressuretest at factory to therequired test pressureconformingto IS : 3589-1991 including freightetc. complete |
| 6 | With 10 mm -12 mm thick plate |
| 7 | Tees, bends, reducers, |
| 8 | M.S.spigot tail piece suitable for connecting M.S pipeline with C.I./D.I pipeline |
| 9 | Welding in all position with minimum 3 Nos.of runs for MS pipes and specials and flanges,internally and externally including gauging wherever necessary, fixing appurtances and other accessories, cost of water pumping arrangement and hydraulic testing etc. complete for 12mm/10mm thick M.S.plate. |
| 10 | a) 300 |
| 11 | Conveying carefully from stack at site, 250m from both sides rolling and lowering in trenches, laying and jointing true toline and level and perfect linking of joints, including tack weldingfor mild steel pipes for water supply pipeline complete in all respects as per the direction of the engineer in-charge |
| 12 | a) 300 |
| 13 | Providing and laying three coat of anticorrosive and anti-toxic surface coating for MS pipeline. The paint shall be applied after removing the scales and rust over the pipe by wire brush. Paint shall be applied uniformly to achieve uniform coating of average DFT of 60 microns per coat with the brush. 2nd coat shall be applied over the 1st coat after 8 hrs. the process shall be repeated for the 3rd coat. DFT for the final coat shall be 35 microns. Final surface shall be uniform and shall have total thickness of about 150 microns. The rate is inclusive of material, transportation up to the site of work including, labour, machinery as required etc. complete. All three coats shall be of distinctive colour as approved be Engineer-in- charge. |
| 14 | Making hydrotite coupling joint to AC pressure pipes of various classes and C.I Plain ended specials with collars, rubber rings etc. complete including testing of joints but excluding cost of joints. |
| 15 | a) 300 |
| 16 | Hiring Cranes - 5 MT capacity |
| 17 | JCB Excavator |
| 18 | Welding Generator |
| 19 | Providing and laying in position ready mixed concrete (RMC) with usage of Ordinary Portland Cement manufactured in fully automatic batching plant and transported to site of work in transit mixer for a lead upto 10kms having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work including pumping of R.M.C., from the transit mixer to the site of laying, excluding the cost of centering, shuttering, finishing and reinforcement including the cost of admixtures in recommended porportions as per IS : 9103 to accelerate/retard setting of concrete, improve workability without imparing strength and durability as per the directions of the engineer-in-charge. All works upto floor V level |
| 20 | M-15 grade of concrete |
| 21 | Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge. |
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