Tender For Roof Treatment Along With Minor Repairs Roof Of Quarter No. B-801 & B-802 At Block B Ballygunge Qtr Complex, Kolkata.
Tender Value
2.84 Lakhs
Estimated cost
Bid Submission
16 Jul 2026
5 days left
EMD
5690
Bank guarantee accepted
Document Fee
590
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Kolkata → West Bengal
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Roof Treatment Along With Minor Repairs Roof Of Quarter No. B-801 & B-802 At Block B Ballygunge Qtr Complex, Kolkata.
BOQ
| Sl. No. | Item Description |
| 1 | Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III)derived from natural sources : 3 graded stone aggregate 20 mm nominal sizederived from natural sources). |
| 2 | Centering and shuttering including strutting, propping etc. and removal of form for : |
| 3 | Lintels, beams, plinth beams, girders, bressumers and cantilevers |
| 4 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. |
| 5 | Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 6 | Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. |
| 7 | In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works. |
| 8 | 15 mm cement plaster on the rough side of single or half brick wall of mix : |
| 9 | 1:4 (1 cement: 4 fine sand) |
| 10 | Neat cement punning |
| 11 | Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : |
| 12 | Two or more coats on new work. |
| 13 | 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-harge. |
| 14 | With cement mortar 1:4 (1 cement : 4 fine sand). |
| 15 | Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. |
| 16 | Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) |
| 17 | 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. |
| 18 | Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead. |
| 19 | Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead. |
| 20 | Grading roof for water proofing treatment with |
| 21 | Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) |
| 22 | Cement mortar 1:4 (1cement : 4 coarse sand) |
| 23 | 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 |
| 24 | 50 mm average thickness |
| 25 | 25 mm average thickness |
| 26 | Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge. |
| 27 | Bars upto 12 mm diameter |
| 28 | 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. |
| 29 | SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer |
| 30 | 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). |
| 31 | 25 mm average thickness in 2 layers. |
| 32 | 50 mm average thickness in 3 layers. |
| 33 | Providing & applying of three coarse UV protective acrylic water proofing treatnent (Berger PU or equivallent) to roof after cleaning the surface dry & dust free. The 2nd coat is require to be staine with a different colour to differentiate within the cats all complete as directed by the Engineer-in-Charge. (a)Three coats on new work. |
| 34 | Cheeseling open cracks in V shaped grooves upto 1 cm wide , making it dust free and filling the groov with poly sulphide sealent etc all complete as per direction of the E-in-C. |
| 35 | 1:4 (1 cement: 4 fine sand) |
| 36 | 12 mm cement plaster with Super plasticizer as per manufacturer's specification and as approved by the competent authority of cement of mix : |
| 37 | 1:4 (1 cement: 4 fine sand) Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jul 07, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedJul 16, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 5 daysJul 20, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 9 daysTender Documents
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