Public Works Department-PWD has published Tender For Maintenance Of Water Supply System To Gec, Farmagudi. Installation Of 400Mm Dia Sluice Valve On 400 Mm Dia Ms Pipeline (Red Line) And Other Allied Work At Kone Priol. Submission Date for this Tender is 27-09-2023. Sluice Valve Tenders in South Goa Goa. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 13-Sep-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 27-09-2023 |
| Sl. No. | Item Description |
| 1 | Manufacturing and supplying at site of work welded MS pipes of finished ID of suitable lengths made out of fabricating, welding forming "V" edge to both ends of the pipes sides including providing and fixing welding etc. Suitable MS hinges conforming to relevant IS codes, stresses induced due to trench conditions, backfilling class "A" traffic loading, handling temperature variation etc. testing the pipeline to a field test pressure of 25 kg /cm2 as directed by Engineer-in-charge.(the finished internal dia. is to be considered without cement mortar lining /Epoxy painting). |
| 2 | I) 12mm thick (plate welded) |
| 3 | a) 150mm dia |
| 4 | b) 300mm dia |
| 5 | 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. |
| 6 | 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. |
| 7 | a) 150mm dia |
| 8 | 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. |
| 9 | a) 300mm dia |
| 10 | b) 400mm dia |
| 11 | Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. C. I. Sluice valve conforming to IS:14846-2000 and bearing ISI mark double flanged/plain ended with cap. TYPE P.N. 1.6 (Class B ) |
| 12 | a) 100mm dia |
| 13 | b) 150mm dia |
| 14 | c) 300mm dia |
| 15 | Hoisting laying cast iron sluice valves/butterfly valves/reflux valve of size given below at location in pipeline etc. complete as directed as per IS:2685-1971 CLASSI |
| 16 | a) 100mm dia |
| 17 | b) 150mm dia |
| 18 | c) 300mm dia |
| 19 | Hoisting laying cast iron sluice valves/butterfly valves/reflux valve of size given below at location in pipeline etc. complete as directed as per IS:2685-1971 CLASSII & III. |
| 20 | a) 400mm dia |
| 21 | Centering and shuttering including struttings, propping etc. and removal of foremwork for: |
| 22 | a) Vertical surfaces such as retaining walls , return walls, walls (any thk) including attached pilasters, buttresses, plinth and string courses, fillets, etc. |
| 23 | Providing and laying in position cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basalticstoneaggregate40m.nominalsize) excluding cost of centering, shuttering and finishing : |
| 24 | a) All works upto plinth level |
| 25 | Providing and laying in position (1:11/2:3) Reinforced cement concrete excluding the cost of centering, shuttering, finishing and reinforcement (1 cement: 1½ coarse sand:3 graded stone aggregate 20mm nominal size) |
| 26 | a) All works upto plinth level |
| 27 | Providing TMT steel reinforcement bars of (SAIL, TATA. VIZAG, JSW Steel Ltd.) )(Confirming to IS 1786 of 1986)for RCC work (conforming to I.S. 1786 of 1986) including bending, binding & placing in position in all the floorsalongwith the factory made precast concrete cover blocks of specified sizes whose compressive strength is not less than that of surrounding concrete in the structural member. |
| 28 | 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 to form 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 |
| 29 | I) With 10 mm -12 mm thick plate |
| 30 | a) Tees, bends, reducers, |
| 31 | II) With 25 mm thick Plate |
| 32 | a) Flanges |
| 33 | Supplying at store or site of work including railway freight, carting, loading and unloading, stacking etc. Cast iron double flanged manually operated sluice valve, generally conforming to IS:14846 – 2000, having body, door, dome, wedge in graded cast iron to IS:210 Gr. FG 200 min., four faces and spindle nut of leaded tin bronze to IS:318 gr. LTB 2, inside screw of non-rising stainless steel AISI410, spindle, flanges drilled to IS:1538 Table 4 & 6. Valves tested by closed end method only (350mm and above will be fitted with BTB and spur gear box and back seat bush.) etc. Complete TYPE P.N. 1.6 (Class A) |
| 34 | I) 400mm dia |
| 35 | Making connection to the existing pipeline on either side on war footing by engaging machineries like JCB, crane. Welding generator, dewatering pumps, lightening arrangements etc. And manpower like plumbers, fitters, welders, labourers, supervisor for making necessary flanged / welding / lead joints etc., providing necessary concrete support, temporary anchoraging as directed by the engineer in charge etc. all complete for resuming the water supply to the public within stipulated period. |
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