Public Works Department-PWD has published Tender For Maintenance Of Water Supply System Supply And Replacement Of 600 Mm Dia Sluice Valve At Gogal Pumping Station. Submission Date for this Tender is 18-07-2023. Sluice Valve Tenders in South Goa Goa. Bidders can get complete Tender details and download the document.
| 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 | Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. Cast iron double flanged manually operated Sluice Valve generally conforming to IS: 14846 - 2000 having body, door, dome, gland in graded cast iron to IS:210 Gr. FG 200Min., 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) TYPE P.N. 1.0 (Class A) |
| 3 | Nominal Diameter in mm |
| 4 | a) 600 |
| 5 | Supplying cast iron fittings as perIS : 1538 -1993 including sealing rubber gasket (NR) CI Compression glands and coated MS Nuts bolts. |
| 6 | Dismantling Joint |
| 7 | Nominal Dia in mm |
| 8 | a) 600 |
| 9 | 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 |
| 10 | a) With 10 mm -12 mm thick plate |
| 11 | M.S.spigot tail piece suitable for connecting M.S pipeline with C.I./D.I pipeline |
| 12 | With 25 mm thick Plate |
| 13 | a) Flanges |
| 14 | Gas cutting(either square cut or V cut) pipes, plates etc. of thickness. |
| 15 | Above 5 mm upto 10 mm dia. |
| 16 | Hoisting laying cast iron sluice valves/butterfly valves/reflux valve of size given below at location in pipeline etc. .complete as directed as perIS:2685-1971 CLASS II & III. |
| 17 | Nominal diamter in mm. |
| 18 | a) 600 |
| 19 | Making flanged joints for C.I./D.I. Pipes and specials with rubber insertion, nuts and bolts including necessary hydraulic testing etc. complete including cost of rubber insertion nuts and bolts, as directed by the Engineer in-charge. |
| 20 | Nominal diamter in mm. |
| 21 | a) 600 |
| 22 | b) 1000 |
| 23 | Welding by electric plant (using Ador or ES4B or Deh Secheron make electrodes only ) |
| 24 | Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete. |
| 25 | Providing & laying cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded granitic or basaltic stone aggrt. 40 mm. nominal size) excluding cost of centering, shuttering and finishing in: |
| 26 | All works upto plinth level |
| 27 | Laterite masonry in neatly dressed stones of size as specified in cement mortar 1: 4 (1 cement : 4 coarse sand) in foundation and basement. |
| 28 | 12mm cement plaster 1:4 (1 cement : 4 fine sand) |
| 29 | 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. |
| 30 | Dismantling and shiftingof 600mm diaC.I. SluiceValve by removing nut bolts , Shiftingby hiring Crane,hiring diesel operated electrical generator set suitable for supplying power for the welding machine, engaging skilled work forceetc required for completion of job as per the direction of Engineer-in-charge. |
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