Department Of Industries And Commerce has published Tender For Rehabilitation And Maintenance Of 2 Nos Rcc Fire Water Tank Including Cleaning Water Proofing Painting At Despatch Station Madhuban Including Supply Of Necessary Materials Labour Etc Complete. Submission Date for this Tender is 27-02-2024. Water Proofing Work Tenders in Dibrugarh Assam. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Works : |
| 2 | Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars, M.S. pipes (300MM dia), plates etc. and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. |
| 3 | Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 4 | Centering and shuttering including strutting, propping etc. and removal of form work for :Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc. |
| 5 | Steel work only for fitting 300mm dia MS pipe at outlet point of fire water tanks (appox. Length1.5M+1.5M ) fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.The required pipe will be provided by the company. |
| 6 | Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape,raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge.With cement mortar 1:4 (1 cement : 4 fine sand) near inlet pipe both interior & exterior site. |
| 7 | Cleaning of under ground sump, Over Head R.C.C. Tank ( independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:- (i) Tank shall be emptied of water by pumping & bottom shall be cleaned of silt and other deposits. (ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water. (iii) Chlorination of RCC internal surface by liquid chlorine. (iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface. (v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge.InterriorRCC Wall , RCC floor Area of the floor etc. |
| 8 | Providing and applying integral crystalline slurry of hydrophilic in nature for waterproofing treatment to the RCC structures like retaining walls of the basement, water tanks, roof slabs, podiums, reservior, sewage & water treatment plant, tunnels / subway and bridge deck etc., prepared by mixing in the ratio of 5 : 2 (5 parts integral crystalline slurry : 2 parts water) for vertical surfaces and 3 : 1 (3 parts integral crystalline slurry : 1 part water) for horizontal surfaces and applying the same from negative (internal) side with the help of synthetic fiber brush. The material shall meet the requirements as specified in ACI- 212-3R-2010 i.e by reducing permeability of concrete by more than 90% compared with control concrete as per DIN 1048 and resistant to 16 bar hydrostatic pressure on negative side. The crystalline slurry shall be capable of self-healing of cracks up to a width of 0.50mm.The work shall be carried out all complete as per specification and the direction of the engineer-in-charge. The product performance shallv carry guarantee for 10 years against any leakage.For vertical surface two coats @ 0.70 kg per sqm. For InterriorRCC Wall & RCC floor of fire water tank. |
| 9 | Providing & Applying polymer modified, flexible cementatious negative side waterproofing coating with elastic waterproofing polymers on interior wall plaster surface in three coats @14.35 kg /10 sqm. one coat of self priming of cementatious waterproofing polymer(dilution with water in the ratio of 1:1) and two coats of cementatious waterproofing polymer (dilution with water in the ratio of 3:1 ) after scrapping and properly cleaning the surface to remove pre-existing paint film & loose particles till plaster is visible, complete in all respect as per the direction of Engineer-in-Charge.For InterriorRCC Wall & RCC floor of fire water tank. |
| 10 | Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer"s specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work. |
| 11 | Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. Exterior Side . |
| 12 | Finishing walls with Acrylic Smooth exterior paint of required shade : Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface .Exterior Side . |
| 13 | Lettering with black Japan paint of approved brand and manufacture .{ Example: WATER TANK No.1 ( 11 nos of letter are 20cm& 1no is 6cm), CAPACITY-7.42 LAKHS LTRS( 20 nos of letter are 15cm),DATE OF CLEANING AND MAINTANANCE DONE: xx/xx/xxxx (42nos of 10cm )}. |
| 14 | Painting with aluminium paint of approved brand and manufacture to give an even shade at above 4m height from G.L. : One or more coats on old work. |
| 15 | Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge. Note:- (1) The elevational area of the scaffolding shall be measured for payment purpose. (2) The payment will be made once only for execution of all items for such works. |
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