Kolkata Metropolitan Development Authority-KMDA has published Tender For Repairing, Renovation And Structural Strengthening Of Flat No. 3 Of Block No.- 1 At 25, 25/1, B. B. Chatterjee Road Under Scheme No. Kasba-I. Submission Date for this Tender is 06-04-2023. Building Work Tenders in Kolkata West Bengal. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish within a lead of 75m as directed. All floors. |
| 2 | Cleaning the concrete surface by removing dirt and debris, marking defective locations and removing loose concrete by careful stripping untill hard surface is exposed, cutting the concrete to regular shape, wire brushing the exposed surface and removing debris from site complete as per direction of the Engineer - in - Charge. In any floor |
| 3 | Cleaning the exposed reinforcement preferably upto full diameter by wire brush, applying two coats of polymer based rust removing compound left for 24 hours, removing the coating and then applying two (2) coats of polymer modified anti corrosive protective coating formulated to inhibit the corrosion of reinforcement as per manufacturer"s specification] [Mode of measurement:The affected surface area of reinforcement shall be considered for payment]. In any floor. |
| 4 | Applying epoxy based reactive joining agent for joining the old concrete with fresh concrete to be applied within manufacturer"s specified time as per manufacturers specification. (0.4 Kg / m² of concrete surface). Note: Applicable only when the full diameter of reinforcement steel is exposed. In any floor |
| 5 | Applying 2 coats of bonding agent with synthetic multi functional rubber emulsion having adhesive and water proofing properties by mixing with water in proportion (1 bonding agent : 4 water : 6 cement) as per Manufacturer"s specification. In any floor |
| 6 | Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary),cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. (a) For works in foundation, basement and upto roof of ground floor/upto 4 m (i) Tor steel/Mild Steel I. SAIL/ TATA/RINL a) At ground floor. |
| 7 | Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (a) Above 30 mm & upto 37 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. (i)At ground floor. |
| 8 | Supplying, preparing and placement of ready mix non shrink cementious microconcrete having no metalic aggregate or chlorides for repairing and jackting of damaged R.C.C.members. The micro concrete should achieve a compressive strength not less than 10 MPaafter 24 hours. 40 Mpa after 7 days and 50 Mpa after 28 days at 300C.It should have unrestrained expansion in between 1 to 4%. flexural strength shall not be less than 5MPa after 28 days. Micro concrete should have a co-efficient of thermal expansion similar to that of the host concrete. In any floor. |
| 9 | Labour for cutting R.C.core concrete through mechanical cutter up to depth of 150mm x 150mm X 150mm. In any floor. |
| 10 | Supplying, fitting and fixing reinforcement bar in existing foundation with necessary mechanical drill machine, bar to be grouted with fiser or hilti compounnd ( Excluding cost of reinforcement) 16mm dia. |
| 11 | Fixing of shear reinforcement over concrete surface with necessary drilling and bar should be grouted with fiser or hitli compound 8mm dia. |
| 12 | Cement concrete (1:1.5:3) with graded stone chips 5.6 mm size with hexagonal square mesh wire netting, I.R.C. fabric mesh or X.P. M. fitted and fixed after tying the existing reinforcement on concrete without distributing the same and with proper scarping and cleaning the reinforcement and disturbed concrete with wire brush etc. after applying a coat of cement including the cost of wire netting I.R.C or X. P. M. & cost of all handling and scaffolding complete as per direction of Engineer-in -charge. a) 37.5mm thick In any floor |
| 13 | Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] (i) With 1:4 cement mortar |
| 14 | (a) 15 mm thick plaster (i) At ground floor. |
| 15 | (ii) With 1:6 cement mortar (b) 20 mm thick plaster (i) At ground floor. |
| 16 | Dismantling artificial stone flooring upto 50 mm. thick by carefully chiselling without damaging the base and removing rubbish as directed within a lead of 75 m. a)At ground floor. |
| 17 | Artificial stone in floor, dado, staircase etc with cement concrete (1:2:4) with stone chips, laid in panels as directed with topping made with ordinary or white cement (as necessary) and marble dust in proportion (1:2) including smooth finishing and rounding off corners including raking out joints or roughening of concrete surface and application of cement slurry before flooring works using cement @ 1.75 kg/sq.m all complete including all materials and labour. In ground floor. 3 mm. thick topping (High polishing grinding on this item is not permitted with ordinary cement). Using grey cement (i) 35 mm. thick (a) At ground floor |
| 18 | Labour for propping up overhead members as a precautionary measure against falling as directed with necessary planks, Eucalyptus props, packing nails, wire ropes, iron wires etc. including hire charges of all materials fitting, fixing dismantling and removing the props etc and all ancillary works in this connection complete. All floors. (Payment to be made on volume measurement considering the hight and contact area) |
| 19 | M.S. works in brackets made from flats, angles, tees etc. to sizes specialy bent, twisted, forged; making holes drilled and fitted to rafter of trusses with necessary bolts, nuts, washer or screws etc. (length of straight not less than 230 mm) All floors |
| 20 | Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. In Ground floor |
| 21 | Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary : On steel or other metal surface : With other than hi-gloss of approved quality- (i) Two coats (with any shade except white) In Ground floor |
| 22 | Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge. |
| 23 | Add GST @ 18% on Total amount over item No. 1 to 20, i.e. Rs.202280.00 |
| 24 | Add Labour Welfare Cess @ 1% on Total amount over item No. 1 to 21,Rs.238691.00 |
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