Damodar Valley Corporation has published Rectification , Grouting And Water Proofing Works And Other Similar Type Miscellaneous Job In Power House N Other Buildings At Dstps , Dvc , Andal Rectification , Grouting AndWater Proofing Works And Other Similar Type Miscellaneous Job In Power Hou. Submission Date for this Tender is 06-02-2021. Water Proofing Work Tenders in ANDAL West Bengal. Bidders can get complete Tender details and download the document.
| Name of Work: Rectification, grouting & water proofing works and other similar type miscellaneous job in Power House & other buildings at DSTPS, DVC, ANDAL. | |||||
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| Sl. No. | Task Description | Item Code / Make | Frequency | Units | |
| 1 | 1 | Drilling holes of dia 10-20 mm (as required) in concrete to half the depth of the member @ 1.0-1.5 m c/c along the groove and fixing\nPVC/GI nozzles 6-12 mm dia in the holes with quick setting putty at all lifts including supply of all materials, labour,drilling machine, tools & tackles, scaffolding etc | task1 | 100 | EACH |
| 2 | 2 | Injection of cement admixed synthetic rubber emulsion low shrink polymeric grouting compound (like Intraplast EP of Sika make or approved equivalent) @1% by weight of cement & w/c = 0.35 ¿ 0.45 (by weight) as per manufacturers specification under pressure not more than 2.5 kg/cm2 including washing of holes with water pumped under pressure (2.0 kg /cm2 ) till clear water comes out through other nozzles prior to grouting, capping of nozzles, removal of nozzles after grouting, filling the holes with cement mortar (1:4) admixed with synthetic rubber emulsion (like Sika Latex Power or approved equivalent) to make the surface in line with the adjacent surface including supply of all materials, labour, equipment, tools & tackles, scaffolding etc. for all lifts. | task2 | 500 | EACH |
| 3 | 3 | Grouting of holding down bolts, base plates, anchors etc. using non-shrink free flow ready mix cementious grout material (SIKA grout 214, ANKOR-NSG or ANKOR-NRG or equivalent) for erection of equipments, structure on these foundation bolts, base plates, anchors etc. including supply of materials required for grouting, cleaning of pockets by air jets, preparation of base, mixing grout materials with water as per manufacturers specifications, pouring into pockets, holes ensuring escape of displaced air from the pockets and to keep the grout flowing. curing after initial hardening complete as per direction of the Engineer-incharge. (Holding down bolts base plates, anchor bars etc are to be paid seprerately). Using 8mm down stone chips with grout material in proportion as recommended by the manufacturer of grout materials. (This item is suitable for areas having gaps more than 25mm around bolts, anchor and below base plates) | task3 | 1 | EACH |
| 4 | 4 | Grouting of holding down bolts, base plates, anchors etc. using non-shrink free flow ready mix cementious grout material (SIKA grout 214, ANKOR-NSG or ANKOR-NRG or equivalent) for erection of equipments, structure on these foundation bolts, base plates, anchors etc. including supply of materials required for grouting, cleaning of pockets by air jets, preparation of base, mixing grout materials with water as per manufacturers specifications, pouring into pockets, holes ensuring escape of displaced air from the pockets and to keep the grout flowing. curing after initial hardening complete as per direction of the Engineer-incharge. (Holding down bolts base plates, anchor bars etc are to be paid seprerately). Using liquid grout only(without chips). In the proportion recommended by the manufacturer of grout materials. | task4 | 1 | EACH |
| 5 | 5 | Plastering surface with cement and sand mortar (1:4) admixed with S.B.R. Latex (like SIKA Latex emulsion @ 5% by weight of cement or approved equivalent of quantity as per manufacturer's specification) including supply of all materials, labour, tools & tackles, curing for minmum 7 days etc complete as per direction of Engineer-inCharge.i) 12 mm thick plaster. | task5 | 100 | Sqm. |
| 6 | 6 | Supplying and fixing off abric wire mesh 75x75x3 on column surface for Jacket concreting | task6 | 50 | Sqm. |
| 7 | 7 | Centring and shuttering including strutting, propping etc. and removal of form for removal of form for: Columns, Pillars, Piers, Abutments, Posts and Struts | task7 | 25 | Sqm. |
| 8 | 8 | Applying two coats of cement based epoxy/synthetic resin modified anticorrosion coating & bonding agent on the thoroughly prepared steel & concrete surface at all lifts as per manufacturers specification including supply of all materials, labors, equipment, tools & tackles, scaffolding etc. | task8 | 50 | Sqm. |
| 9 | 9 | Chipping manually of the prepared surface including cleaning the surface after chipping and disposal of rubbish as per the direction of the En-In-Charge. Care to be taken not to damage the core concrete. | task9 | 100 | Sqm. |
| 10 | 10 | Pressure grouting of low viscous epoxy resin (like SIKADUR 53 (UF) or approved equivalent) as per the manufacturer's specification at 2.5 to 4.0 kg/sqm grouting pressure including washing of holes with water pumped under pressure (2.0 kg/cm2 ) till clear water comes out through other nozzles prior to grouting, capping of nozzles, removal of nozzles after grouting, filling the holes with cement mortar (1:4) admixed with Epoxy mortar (like SIKAGARD 694 F(I) or approved equivalent) to make the surface in line with the adjacent surface including supply of all materials, labour, equipment, tools & tackles, scaffolding etc. for all lifts. | task10 | 75 | Kg. |
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