Kolkata Metropolitan Development Authority-KMDA has published Tender For Emergency Structural Strengthening And Repairing Work At Jadavpur Kit Market Under Housing Sector, Kmda. Submission Date for this Tender is 09-06-2023. Civil Work Tenders in Kolkata West Bengal. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Surface Dressing of the ground in any kind of soil including removing vegetation inequalities not exceeding 15 cm depth and disposal of the rubbish within a lead upto 75 m as directed |
| 2 | Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete .(a) Depth of excavation not exceeding 1,500 mm. |
| 3 | Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity) |
| 4 | Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. |
| 5 | Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars.At ground floor. |
| 6 | 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] |
| 7 | 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). |
| 8 | 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 Ground floor |
| 9 | Supplying. preparing and placement of ready mix non shrink cementious microconcrete having no metalic aggregate or chlorides for repairing and jacketing of damagedR.C.C.members. The micro concrete should achieve a compressive strength not less than 10 MPaafter 24 hours. 40 Mpa after 7 daysand 50 Mpa aftre 28 days at 300C.It should haveunrestrained expansion in between 1 to 4%. flexuralstrength 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. |
| 10 | Supplying and application of chemicalfor rebar anchoring by using ETAapproved/O rseismic criteriain reba rconnection, Including drilling hole to therequireddepth by rotary hammer drill,cleaning with brush& jet of clean air, filllng resin and hardener using serrated nozzle to eliminate mixing error and Ina voidless manner Including chargesfor all tools & plants. Application to bedesigned for rebars as per ECZ/TR023or relevant tested and accepted design ISguidelines and the design document to be furnished by the manufacturer.The chemical should have ETA approvalfor seismic criteriaof rebarfixing which should be furnished by manufacturer. The installation and the setting , instructions should be strictly followed as per manufacturer"s specifications as approved by EIC prior to drilling. The existing concrete member should be scanned using rebar scanner to avoid hitting existing reinforcement in concrete. |
| 11 | Reinforcement for reinforced concrete work inall 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. (i) Tor steel/Mild Steel (I) SAIL/ TATA/RINL d) At 3rd. floor. |
| 12 | 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) (When the height of a particular floor is more than 4 m the equivalent floor height shall be taken as 4 m and extra for works beyond the initial 4 m ht. shall be allowed under 12 (e) for every 4 m or part thereof)(i) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. Ground floor |
| 13 | Supplying P.V.C. water storage tank of approved quality with closed top with lid (Black) - Multilayer a) 2000 litre capacity |
| 14 | Labour for hoisting plastic water storage tank Above 1500 litre upto 5000 litre capacity |
| 15 | Labour for lowering plastic water storage tank and stacking in places as directed Above 1500 litre upto 5000 litre capacity |
| 16 | Labour for punching hole in plastic water storage tank upto 50 mm dia |
| 17 | Making one set of scaffolding only for replacing glass panels, painting, uprooting plant and another repairing works of building and S&P works for external works only with 10 cm. dia bamboo as main posts at the rate of 1 metre centre to centre and 7.5 cm. dia bamboo ties @ 0.75 metre apart fitting and fixing with necessary coir, nails etc. as per direction of the Engineer-incharge. (This item should be executed only after prior approval of the Engineer-incharge). Firstly, one number to be paid and then labour rate for shifting up to further nineteenth (19) times @ 10% each time to be considered. If necessary further after twenty times of total use, another one number new and labour rate for shifting to be considered accordingly. |
| 18 | a) 3.90 metre height |
| 19 | b) Extra for additional 3.6 height or part thereof |
| 20 | c)shifting of scaffolding |
| 21 | Brick work with 1st class bricks in cement mortar (1:6). (a) In foundation and plinth |
| 22 | 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] (ii) With 1:4 cement mortar ,(b) 15 mm thick plaster |
| 23 | Supplying & laying Double Wall Corrugated (with external annular corrugation and smooth internal walls)High Density Polyethelene Pipes conforming to IS 16098 (Part-II):2013 having Stiffness Class of SN 8 with Ring Stiffness not less than 8.00 KN/Sqm. and Impact Resistance TIR value not more than 10% including necessary jointing materials for non-pressure underground Drainage, Sewerage & Cross drainage application. |
| 24 | i) 150 mm internal dia. |
| 25 | i) 200 mm internal dia. |
| 26 | i) 250 mm internal dia. |
| 27 | Constructing Inspection pit to a depth of 1.5 metre (inside), 250 mm thick 1st classbrick work (1:4) in all sides over a layer of jhama brick soling and 150 mm thickcement concrete with stone chips (1:3:6) including necessary earth work, fitting andfixing approved type S.W. master trap, constructing masonry invert with cementconcrete (1:1.5:3) with stone chips, plastering inside and outside (outside upto 300mm below G.L.) with 20 mm thick cement plastering (1:4) and neat cement punning,including supplying,fitting and fixing one 560 mm. dia R.C.C. manhole cover ofapproved make with R.C.C. slab of 100 mm thick with cement concrete (1:1.5:3) withstone chips including necessary reinforcement (upto 1%) and shuttering andnecessary corbelling brick work (1:4) so that the R.C.C. cover slab rests 150 mm above adjucent G.L., cement plaster (1:4) 10 mm thick on all external surfaces of thetop slab as directed complete in all respect and removal of surplus earth with allcosts of labour and materials (excluding the cost of master trap only). (i) 900 mm X 750 mm (inside) chamberWith Pakur variety. (SAIL/TATA/RINL))(Rate analysis attached) |
| 28 | 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)PVC Pipes (A) For Exposed Work |
| 29 | i) 40 mm dia |
| 30 | ii) 25 mm dia. |
| 31 | iii) 20 mm dia. |
| 32 | iv) 15 mm dia. |
| 33 | Supplying, fitting and fixing in position reinforced cement polymer concrete manhole /gully pit cover with matching frame.As per I.S-12592(M.D) (vii) 3 MT load bearing capacity round manhole cover provided with two lifter hook with matching frame of size Cover: 450 mm X 50 mm Frame: 540 mm X 100 mm opening: 360mm Weight: 46 Kg. (approx) |
| 34 | Cleaning silt of inspection pit. |
| 35 | Cleaning silt of master trap pit. |
| 36 | Making connection with the existing pit. |
| 37 | Taking out old damaged tarfelt from the roof, parapet etc. preparing the roof surfaces by removing all spoils, blisters, moss etc. from the working site and disposal of the same beyond the compound and cleaning the site in all respect as per direction of Engineer-in-Charge. All floor. |
| 38 | 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-usible 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.). Membrane Property: Softening Point > 150 deg C, Cold Flexibility < -6 deg C, Tensile Strength, N/cm : 600 (longitudinal), 450 (transverse), Tearing Strength, N: 300 (longitudinal) ,200 (transverse) |
| 39 | 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 |
| 40 | 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. |
| 41 | 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. 37.5mm thick |
| 42 | Add GST @ 12% on Total amount over item No. 1 to 31, i.e. Rs.861120.00 |
| 43 | Add Labour Welfare Cess @ 1% on Total amount over item No. 1 to 32,Rs1016122.00 |
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