Kolkata Metropolitan Development Authority-KMDA has published Repair And Renovation And Structural Strengthening Of Endangedred Portion Of All Blocks At 28 Dps Road In Scheme No. 107 Under Housing Sector, Kmda. Submission Date for this Tender is 22-08-2022. Structural Work Tenders in Kolkata West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 12-Aug-2022 | Corrigendum for Date Extension | Date | 22-08-2022 |
| Sl. No. | Item Description |
| 1 | Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. a) At ground floor. |
| 2 | b) At 1st floor. |
| 3 | c) At 2nd floor. |
| 4 | d) At 3rd floor. |
| 5 | e) At 4th floor. |
| 6 | Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. (a) upto 150 mm. thick a) At ground floor. |
| 7 | b) At 1st floor. |
| 8 | c) At 2nd floor. |
| 9 | d) At 3rd floor. |
| 10 | e) At 4th floor. |
| 11 | Dismantling R.C. floor, roof, beams etc. Including cutting rods and removing rubbish as directedwithina lead of 75m. includingstacking of steel bars. a)At ground floor. |
| 12 | b) At 1st floor. |
| 13 | c) At 2nd floor. |
| 14 | d) At 3rd floor. |
| 15 | e) At 4th 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 | b) At 1st floor. |
| 18 | c) At 2nd floor. |
| 19 | d) At 3rd floor. |
| 20 | e) At 4th floor. |
| 21 | 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. |
| 22 | Cutting chase upto 125 x 150 mm. and subsequent mending of damages. (a) in brick wall [Cement-3.6 Kg/Mtr] |
| 23 | (b) in concrete wall [Cement-3.6 Kg/Mtr] |
| 24 | 125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor. a) At ground floor. |
| 25 | b) At 1st floor. |
| 26 | c) At 2nd floor. |
| 27 | d) At 3rd floor. |
| 28 | e) At 4th floor. |
| 29 | Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (i) Pakur Variety a) At ground floor. |
| 30 | b) At 1st floor. |
| 31 | c) At 2nd floor. |
| 32 | d) At 3rd floor. |
| 33 | e) At 4th floor. |
| 34 | 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. c) 37.5mm thick |
| 35 | 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) Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work (i)At ground floor. |
| 36 | b) At 1st floor. |
| 37 | c) At 2nd floor. |
| 38 | d) At 3rd floor. |
| 39 | e) At 4th floor. |
| 40 | 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. |
| 41 | b) At 1st floor. |
| 42 | c) At 2nd floor. |
| 43 | d) At 3rd floor. |
| 44 | e) At 4th floor. |
| 45 | 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. |
| 46 | 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]. |
| 47 | 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. |
| 48 | 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. |
| 49 | Extra rate for using water proofing and plasticising admixture @ 0.2% by weight of cement (or at manufacturer"s specified rate) for concrete ofvarious grades. |
| 50 | Supplying preparing and placement of ready mix non shrink cementious micro concrete 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 MP aafter 24 hours. 40Mpa after 7 days and 50Mpa aftre 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. |
| 51 | 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 not permitted with ordinary cement). Using grey cement (i) 35 mm thick a) At ground floor |
| 52 | b) At 1st floor. |
| 53 | c) At 2nd floor. |
| 54 | d) At 3rd floor. |
| 55 | e) At 4th floor. |
| 56 | 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 |
| 57 | (a) 10 mm thick plaster (i) At ground floor. |
| 58 | b) At 1st floor. |
| 59 | c) At 2nd floor. |
| 60 | d) At 3rd floor. |
| 61 | e) At 4th floor. |
| 62 | e) At 5th floor. |
| 63 | (a) 15 mm thick plaster (i) At ground floor. |
| 64 | b) At 1st floor. |
| 65 | c) At 2nd floor. |
| 66 | d) At 3rd floor. |
| 67 | e) At 4th floor. |
| 68 | e) At 5th floor. |
| 69 | (iii) With 1:6 cement mortar(a) 20 mm thick plaster (i) At ground floor. |
| 70 | b) At 1st floor. |
| 71 | c) At 2nd floor. |
| 72 | d) At 3rd floor. |
| 73 | e) At 4th floor. |
| 74 | Neat cement punning about 1.5mm thick in wall,dado,window sill,floor etc. NOTE: Cement 0.152 cu.m per100 sq.m. |
| 75 | Labour for Chipping of concrete surface before taking up Plastering work. |
| 76 | Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. |
| 77 | 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) |
| 78 | Uprooting and removing plants from the surface of walls parapet etc and making good damages. (Repairing of damages to be paid separately). (a) Small plant of girth of exposed stem upto 75 mm. lift upto roof of 4th floor. |
| 79 | (b) Medium size plant of girth of exposed stem above 75 mm. but not exceeding 150 mm. lift upto roof of 4th floor. |
| 80 | Supplying, fitting and fixing Peet"s valve fullway gunmetal standard pattern best quality of approved brand bearing I.S.I. marking with fittings (tested to 21 kg per sq. cm.). (i) 50 mm dia |
| 81 | Supplying, fitting and fixing PVC pipes of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads,fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately) (a) For Exposed Work PVC Pipes (Dia) (i)15 mm |
| 82 | (ii) 20 mm |
| 83 | (iii) 25 mm |
| 84 | (iv) 50 mm |
| 85 | Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 |
| 86 | (A) (i) Single Socketed 3 Meter Length (a) 110 mm |
| 87 | B) Fittings i) Door Tee (a) 110 mm |
| 88 | ii) Double Y with Door (a) 110 mm |
| 89 | iii) Door Bend (LH) & (RH) (a) 110 mm |
| 90 | iv) Cross Tee with Door (a) 110 mm |
| 91 | v) Vent Cowl (a) 110 mm |
| 92 | vi) Pipe Clip (a) 110 mm |
| 93 | vii) Bend 87.5º (a) 110 mm |
| 94 | Labour for fitting and fixing U.P.V.C. pipes for above ground work including cost of jointing materials etc. fitting and fixing all necessary specials, cutting pipes, cutting holes in walls or R.C. floor where necessary and mending good all damages excluding the cost of masonry or concrete work, if necessary, but including the cost and fitting and fixing holder bat clamps (any floor) or for underground work including cutting trenches upto 1.5 metre and refilling the same complete as per direction of the Engineer-in-charge. (Payment will be made on centre line measurement of the total pipeline including specials. A)Above ground i) 110 mm dia. |
| 95 | 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. |
| 96 | Supplying and application of chemical for post Installed rebar connection by using ETA approved for seismic criteria In rebar connection, Including drill/ng hole to the required depth by rotary hammer drill, cleonlng with brush & jet of clean air, /ill/ng chemical usIng serrated noule to eliminate mIxIng error and in a voldless manner IncludIng charges for all tools & plants. Application to be designed for post· Installed rebars as per ECZ/TR023 or relevant tested of rebar fixing whIch should be furnished by manufacturer. The installation and Injection process should and the setting instructions should be strIctly followed as per manufacturer"s specl/icatlons as approved by EICprior to drlll/ng along with post· Installed rebar embedment design report. The existing concrete member should be scanned using rebar scanner to avoid hitting existing reinforcement in concrete during drilling. Notes: 1)This rate is excluding the cost of scaffolding. 2)This work should not be excuted without specific permission of Superintending Engineerof the respective circle and Injection process should be executed in the presence of officer not below the rank of Assistant Engineer to supervise the work minutely. 3) Rebar grouting Is specifically required for extension and strengthening purpose of old or existing RCCstructural members with new RCCstructural members through rebar fixing chemical Item without breaking beam, coloumn, roof slab, lintel, cellina etc. |
| 97 | i) Cost of rebar with rebar chemical for 8 mm dia per cm of depth |
| 98 | ii) Cost of rebar with rebar chemical for 10 mm dia per cm of depth |
| 99 | iii) Cost of rebar with rebar chemical for 12 mm dia per cm of depth |
| 100 | iv) Cost of rebar with rebar chemical for 16 mm dia per cm of depth |
| 101 | M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-in-charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1956 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 1957, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labor required for the work including all incidental changes such as electricity charges, labor insurance charges etc. Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or 7% of weight for finished structural members weighing not less than 22.5 Kg. / m. or 15 % of weight for finished structal members weighing less than 22.5 Kg. / m. may be increased allow for bracket, cleat, rivet, bolts and nuts etc. and no seperate payment being made for these items, as per direction of Engineer In Charge. The rates are considered for a height of erection 8m. / 2nd floor level from the ground. Add 1.5% extra over the rate for each additional floor or 4m. beyond initiial 8m. or part thereof. [GF to 4TH Floor] (I) For structural members of specified sections weighing less than 22.5 Kg./m |
| 102 | Cleaning silt of inspection pit. |
| 103 | Cleaning and removing silt from choked up gully pit including painting C.I. grating with bituminous paint. |
| 104 | Cleaning silt of master trap pit. |
| 105 | Removing chokage of H.C.I. or S.W. pipe with split bamboo. |
| 106 | (a) Underground |
| 107 | (b) Over ground |
| 108 | Anodised aliminium D-type handle of approved quality manufactured from extruded section conforming to I.S. specification (I.S. 230/72) fitted and fixed complete: (a) With continuous plate base (Hexagonal/ Round rod) |
| 109 | Supplying, fitting and fixing fibre reinforced polymer (FRP) Composite door frame as per approved section with glass fibre reinforced plastic moulded skins and a special sandwich core, so as to impart monolitaheic composite structure as per approved technology of Department of Science and Technology (DST) to safisfy IS: 4020 door testing performance criteria. (i) 66mm x 90mm |
| 110 | Supplying, fitting & fixing fibre reinforced polymer (FRP) Composite door shutters as per approved design with glass fibre reinforced plastic moulded skins and a special sandwich core, so as to impart monolitaheic composite structure as per approved technology of Department of Science and Technology (DST) to satisfy IS:4020 door testing performance criteria.(i) 32 mm thick |
| 111 | Supplying, fitting and fixing M.S. clamps for door and window frame made of flat bent bar, end bifurcated with necessary screws etc. by cement concrete(1:2:4) as per direction. (Cost of concrete will be paid separately) (a) 40mm X 6mm, 125mm Length |
| 112 | Anodised aluminium barrel/ tower /socket bolt (full covered) of approved manufactured from extruded section conforming to I.S. 204/74 fitted and fixed with cadmium plated screws (i) 150mm long x 12mm dia. bolt. |
| 113 | Anodised aluminium butt hinges of approved quality manufactured from extruded section conforming to I.S. specification (I.S. 205/66) and fitted and fixed with cadmium plated screws: (i) 75 x 63 x 3.2mm. |
| 114 | Supplying, fitting and fixing bib cock or stop cock. (e) PTMT (Polytetra Bib Cock / Stop Cock ( Prayag or equivalent) 15 mm |
| 115 | Supplying, fitting and fixing E.W.C. in white glazed vitreous chinaware of approved make complete in position with necessary bolts, nuts etc. (a) With "S" trap |
| 116 | Supplying, fitting and fixing Closet seat of approved make with lid and C.P. hinges, rubber buffer and brass screws complete. (a) E.W.C. (i) Bestolite (solid type) black |
| 117 | Supplying, fitting and fixing Flat back urinal (half stall urinal) in white vitreous chinaware of approved make in position with brass screws on 75 mm X 75 mm X 75 mm wooden blocks complete (i) 590 mm X 390 mm X 380 mm |
| 118 | Supplying,fitting and fixing 32 mm dia. Flush Pipe ofapproved makewith necessary fixing materials and clamps complete. i) Polythene Flush Pipe |
| 119 | Supplying, fitting and fixing 10 litre P.V.C. low-down cistern conforming to I.S. specification with P.V.C. fittings complete,C.I. brackets including two coats of painting to bracket etc. |
| 120 | Supplying & laying 3mm thick pre-fabricated plastomeric water proofing membrane conforming to EN 12311-1 & ASTMD 5147, manufactured with atactic poly propylene (APP) modified premium grade asphalt , specially reinforced with non-woven polyester core with polyester reinforcement @160 gms per sqm & both faces covered with thermo-fusible polyethylene film /MineraL on top face over a coat of primer @ 0.40 lit/sqm of manufacturer"s specification on smooth,clean dry surface prepared wherever required. Lap joint shall be provided of 75 mm in longitudinal & 100 mm in transverse direction and fused using LPG/ Propane torch employing extra care ensuring full bondage, complete removal of entrapped air and sealing edges into grooves in appropriate manner as per direction of Engineer -in-charge all complete including materials,labour and applicable taxes. (Payment shall be made on the basis of finished surface area.). |
| 121 | Supplying P.V.C. water storage tank of approved quality with closed top with lid (Black) - Multilayer |
| 122 | Add GST @ 12% on Total amount over item No. 1 to 49, i.e. Rs.3102580.49 |
| 123 | Add Labour Welfare Cess @ 1% on Total amount over item No. 1 to 50,Rs 3474890.00 |
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