Delhi Development Authority-DDA has published Tender For Maintenance Of Completed Scheme Finishing And Furnishing I / C T.C Complete At Vikas Sadan.Sh:- Replacing Of Existing Rcc Tank By Providing And Fixing Of Smc Panel Tank Upto 9Th Floor At Vikas Sadan ( Specialized ). Submission Date for this Tender is 28-08-2023. Water Tank Tenders in vikas Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Demolishing R.C.C. work manually/by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. |
| 2 | Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge. a) 25 mm average thickness. |
| 3 | Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineer-in- charge. |
| 4 | Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. a) Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make |
| 5 | Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge.- Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/ tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2) a)12 mm average thickness |
| 6 | Providing and placing in position Micro-concrete upto 10 th floor, which shall be cement based pre-packed single component, chloride free, non-shrink, free flow, self compacting, ready to use after mixing stone aggregate below 10 MM nominal size with water in specified proportion obtained from approved manufacturer as per specification and direction of Engineer-in-charge. Micro concrete and aggregate ratio (2 part of micro concrete: 1 part of aggregate of 10 mm size) nominal (payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/ tapping with a blunt metal instrument) Grade M25 as per direction of engineer-in-charge. (Micro concrete used to have a minimum solid polymer content of 6% by weight of cement for all hights) Readymade Micro-concrete. |
| 7 | Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing: 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). |
| 8 | Providing and laying water proofing treatment on roofs of slabs byapplying cement slurry mixed with water proofing cement compound consisting of applying: (a) after surface preparation, first layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound @ 0.253kg/sqm. (b) laying second layer of Fibre glass cloth when the first layer is still green. Overlaps of joints of fibre cloth should not be less than 10 cm. (c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/sqm mixed with water proofing cement compound @ 0.670 kg/sqm and coarse sand @ 1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours. The entire treatment will be taken upto 30 cm on parapet wall and tucked into groove in parapet all around. For the purpose of measurement the entire treated surface will be measured. |
| 9 | Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. |
| 10 | Supplying & Fixing SMC/GRP panel tanks for water storage of make Sovisy/Sintex/ Devi Polymer as confirming with IS:14399- 1996 and material to be confirming as per IS:4249-1967 for fire retardant of required capacity of suitable size including fixing and assembling/ erecting the tank complete as per direction of Engineer in charge. The tanks to be leak proof after installation and having following specification.:- (1) Standard SMC panels pressed moulded UV stabilised made from sheet moulding compounds (SMC) composting of glass fibre and formulation of selected resin. (2) The Size of panel should be: Roof Panels: 1000 x 1000 x 75 mm, 500 x 1000 x 75 mm Side panels: 500 x 1000 x 75 mm, 1000 x 1000 x 75 mm, 1000 x 1500 x 75 mm & 1000 x 2000 x 75 mm. Bottom Panels: Convex shape 1000 x 1000 x 75mm, 500 x 1000 x 75 mm Drain Panels: 1000 x 1000 x 75mm at bottom for complete drain of water Manhole panel dia. 700mm lockable lid of hot pressed moulded made out of SMC. (3) Non-Toxic PVC foam sealant gasket sealant tape 75x3mm with high level of resistance to ageing and superior recovery from ompression. (4) Fasteners utilized for the panel joints of bolts nuts M12 x 40mm & M12 x 45mm. (5) External reinforcement C channel at every 1-meter of steel with anticorrosive paint and it is tie with top external tie roads (If tank height is more than 1 meter). (6) Internal roof supports should be of FRP/GRP 5mm thick hollow square section. (7) Air-vent dia 50/100mm with mosquito proof mesh insect proof. (8) Aluminium body water level indicator with clear tube type and brass nozzle. (9) Internal FRP ladder with wall mounting arrangement inside. (10) External G.I. ladder with complete fixing arrangement outside. (11) Complete fixing of Inlet/Oulet/overflow/drain should be G.I. flange type. (12) Wireless Fully Automatic Water Level Controller with 4 Level Indicator, Auto On & Auto Off, Auto Mode & Manual Mode with two-year warrantee on site. (Note:- Water tanks are to be fixed at 10 different locations of VIkas Sadan i..e. 2 nos. at 9th floor and 8 nos. at 4th floor terrace. ) Note 2:- Each existing RCC water tank has shaft in the middle portion of the tank, therefore all the SMC panel tanks are to be designed on a customized basis, a special provision is to be made in the middle of the tank for a shaft purpose at every tank and nothing shall be paid extra on this account. |
| 11 | Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete |
| 12 | Extra for concrete work in superstructure above floor V level for each four floors or part thereof. |
| 13 | Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :a)Two or more coats on new work |
| 14 | Lifting of moorum/building rubbish/ malba/similar unserviceable, dismantled or waste material malba from the terrace (Upto the 9th floor) and disposed at ground floor by manually or by crane i/c lifting, transporting, and dumping at an earmarked location decided by the Engineer- in Charge. |
| 15 | Providing and fixing stainless steel (Grade 304) railing made of Hollowtubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary stainless steel nuts and bolts complete, i/c fixing the railing with necessary accessories & stainless steel dash fasteners , stainless steel bolts etc., of required size, on the top of the floor or the side of waist slab with suitable arrangement as per approval of Engineer-in-charge, (for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as nuts, bolts, fasteners etc.). |
| 16 | P/L cement concrete - all works upto plinth level : a)1:2:4 (1 cement: 2 coarse sand derived from natural sources: 4 graded stone aggregate 20 mm nominal size derived from natural sources) i/c Excavating hole up to size 0.10 cum. |
| 17 | Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge. a) Made of G.I. wire of dia. 4 mm, PVC coated to achieve outer dia not less than 5 mm in required colour and shade |
| 18 | Providing and fixing glazing in aluminium/SS door, window, ventilator shutters and partitions etc. complete as per the architectural drawings and the directions of engineer-in-charge. (Cost of aluminium/SS snap beading shall be paid in basic item):a)With float glass panes of 8 mm thickness (weight not less than 20 kg/sqm) |
| 19 | Add 18% GST factor @1.0633 |
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