Tender For Repair To Roof, Chajja, Facia And Connected Building Surfaces Including High Performance Water Proofing Treatment And Seepage Mitigation Works At Vayu Vihar C , Iam, Gv C & 26 Ed And Comprehensive Maintenance Of Water Proofing Treatment An
Tender Value
30 Lakhs
Estimated cost
Bid Submission
14 Nov 2026
19 days left
EMD
60000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Bengaluru Urban → Karnataka
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair To Roof, Chajja, Facia And Connected Building Surfaces Including High Performance Water Proofing Treatment And Seepage Mitigation Works At Vayu Vihar C , Iam, Gv C & 26 Ed And Comprehensive Maintenance Of Water Proofing Treatment And Leakage/Seepage Rectification To Oht And Other Reservoir Under Ge (Af) Marathahalli Bangalore
BOQ
| Sl. No. | Item Description |
| 1 | Demolition of unreinforced cement concrete of any description and in any position not otherwise specified for complete all as specified and directed. |
| 2 | M & L 25 mm thick PCC (1:2:4) using 12.50 mm graded aggregate laying under bottom of the sunken floor finished even and smooth dcomplete all as specified and directed . |
| 3 | M & L cement concrete 1:5:10 with brick coarse aggregate as in filling in sunk floors complete all as directed . |
| 4 | M & L treatment for sunken portion with and including 10mm thick cement plaster in CM 1:3 mixed with liquid WPC @ 200ml per bag of cement when concrete surface is green. Over after dry of plaster surface laying water proofing treatment to the slab area with Home shield PU elastroseal AR single componenr liquid applied cold allied, moisture cured high tensile elastromatic PU water proofing membrane @ 1.5 kg per Sqm in 2 coats to achive final DFT of 1.3 to 1.5 mm DFT including prime coat of HS PU Elstroprime @ 8-10 sqm per Ltr of same material Coat emultion over coat of complete all as specified and directed (Note : WPC shall be measured and paid in supply only item) |
| 5 | Supply only Liquid water proofing compound |
| 6 | S & F in repairs PVC (SWR) gully trap 125/110 mm, setting and jointing with solvent cement complete all as specified and directed. |
| 7 | Dismantling of floor , hearth or wall tilling including cement mortar bedding (but not backing) removing serviceable tiles to store and rubbish off the permises compete all as specified and directed. |
| 8 | M&L non skid / anti skid ceramic tiles coloured pattern as required of 7 to 8 mm thick (square/ rectangular) area of each tile exceeding 0.06 sqm but not exceeding 0.11 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match with and including laid over 15mm thick screed bed in CM (1:4) compete all as specified and directed |
| 9 | M&L glazed ceramic coloured, designer & pattern (dark & light shade combination) tiles in 350x250x7 or 450x350x7 or 450 x 300 x 7-8 mm thick on vertical surfaces such as dado etc set and jointed in neat cement slurry and pointed in white or colour cement to match over with and including 10 mm thick backing coat in CM 1:3 and dismantling floor hearth or wall tiling including cement mortar bedding (but not backing) removing serviceable tiles to store and rubbish off the premises complete all as specified and directed |
| 10 | S&F in repair Vitreous China wash down water closet pan (pedestal pattern), white with P or S trap with and including plastic water closet seat cover , connection to trap, flushing pipe & anti -syphonage pipe etc including necessary materials for fittings & making good to floor complete all as specified and directed by Engr-in-Charge.. |
| 11 | S&F in repair vitreous China, squatting pan, Orissa Pattern, size 580 x 440 mm white, with integral foot rests (excluding flushing cistern and flush pipe) with CI trap of suitable size ( P or S type) including connection to trap and to flushing pipe, anti syphonic pipe etc complete all as specified and directed . |
| 12 | S&F in repair 10 Ltr capacity PVC valveless syphonic action type flushing cistern low level white, with inlet, ball valve, float and handle including PVC flush pipe and brackets complete fixed in wall and floor to trap of WC as required and as directed. |
| 13 | S&F in repair 15 mm dia PVC connections, 600 mm long with PTMT nuts of suitable size at two end complete all as specified and directed including taking out old one. |
| 14 | S&F in repairs PTMT grating dome 100 mm dia (minimum weight 25 gms) complete all as specified and directed including taking out old one. |
| 15 | M&L for Cutting chases, pinning in. making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc.; and cutting chases for concealed water tubing or concealed conduit wiring, etc., and making good, cutting not exc 10 cm girth complete all as specified and directed |
| 16 | M & L 32 mm dia CPVC pipe as in spout pipe medium grade 32mm bore including of required shape all as specified and directed. |
| 17 | S & F in repairs 110mm dia PVC (SWR) pipes, single socketed in any length with rubber ring joints and fixed to wall height up to 5 th floor complete all as specified and directed |
| 18 | S & F in repairs 110mm dia PVC (SWR) pipes, single socketed in any length with rubber ring joints and fixed to wall complete all as specified and directed |
| 19 | S & F in repairs 75 mm dia PVC (SWR) pipes, single socketed in any length with rubber ring joints and fixed to wall height up to 5 th floor complete all as specified and directed |
| 20 | S & F in repairs 75 mm dia PVC (SWR) pipes, single socketed in any length with rubber ring joints and fixed to wall complete all as specified and directed |
| 21 | S & F in repairs 110 mm dia PVC (SWR) bends of any radius with access door complete all as specified and directed |
| 22 | S & F in repairs 75 mm dia PVC (SWR) bends of any radius with duck foot or heel rest fitted with oval access door complete all as specified and directed. |
| 23 | S & F in repairs 75 mm dia PVC (SWR) junction ingle, (Single T) equal or unequal with access door complete all as specified and directed. |
| 24 | S & F in repairs 110 mm dia PVC (SWR) junction ingle, (Single T) equal or unequal with access door complete all as specified and directed. |
| 25 | Demolition of cement concrete (un-reinforced) of any description as in , existing roof treatment concrete tiles ,old roof membrane etc,. any type complete all as specified and directed |
| 26 | M & L for PCC 1:2:4 type B1 using 20mm graded aggregate 40mm thick as in sub base/roof padding concrete in roof etc complete all as specified and directed. |
| 27 | M & L for rendering 10mm thick in CM 1:3 finished even and smooth using extra cement with liquid water proofing compound slab treatment as in sunken slab plaster complete all as specified and directed. Note : Water proofing compound measured and paid seperately. |
| 28 | Supply only integral liquid water proofing compound . |
| 29 | Removing of existing water pipe line of 32 mm to 40 mm dia setting aside or lowering if required , and refixing the same into new or exisiting position with suitable clamp or fixing arramgements complete all as specified and directed. |
| 30 | Disconnecting existing tanks, setting aside (or lowering if required) for repairs, cleaning, etc and hoisting if required reconnecting and refixing in exisiting/ new position complete all as specified and directed. |
| 31 | Providing and applying HS TPO membrane of 1.2mm thick over the layer of 200gsm Geo-Textile with overlap joints of 75 mm in both longitudinal and transverse direction of the TPO and sealed properly with hot air welding and terminate TPO at the top of parapet wall with terminatin strip and fix it by screw at 300 mm c/c and sealed with HS Jointseal PU on top including surface preparation like remove all loose gravels,dirt,oil,grease,and other foreign particles by jet or dry air and clean the surface mechanically or by grinding to make it smooth before application and PCC / cementitious coving of 75 mm radius shall be provided at all junctions between vertical and horizontal faces before application of TPO completely as per specification and direction.( Note:- work to be carried out by authorities applicator of M/S Asian Paints /STP/SIKA or equivalent company.) |
| 32 | M & L for mechanical cleaning of existing roof surface to make it frée from any bituminous surface residue / dirt, oil and greese et all as specified and as directed by Engr-In - charge (b)M& L for cracks treatment by cutting open cracks and cleaning it from dirt /loose materials etc and filling with Polyurethane based sealant with and including application of PU based primer all as directed by Engr-in-charge. (c) M& L for applying water based polyurethane modified dispersion (single component, cold applied, non toxic, VOC component) in 03 coats including 0,1 coat of primer of same materials after dilution of water at 50% or specific primer matching same materials as per manufacture specification and as directed by Engr-In-charge. Note: A layer of Geo textile grid of minimum 40 GSM sandwich in between two PU layers as per manufacturer's specification to be provided. Make : Bostik / Berger/ Fosroc/ Sika/ Asian or any other make approved by E-in-C's Branch for PU based water proofing treatment. Note • The above treatment shall be carried out by the authorised applicator of the manufactrures as approved by GE. |
| 33 | S&F in repairs 32mm (OD) CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches/ walls and ceiling fixed in repairs all as specified and as directed. |
| 34 | S&F in repairs 40mm (OD) CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches/ walls and ceiling fixed in repairs all as specified and as directed. |
| 35 | M & L for complete removal of existing treatment and applying two or more coats of 100% premium acrylic emulsion paint ( 200 micron )having VOC less thean 50 gm / litre and UV resistance as per IS- 15489-2004, Alkali & fungal resitance, dirt resistance exterior paint of required shade (Company Depot Tinned) with silicon additives @ 1.43 litre / 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre / 10 sqm over wall surfaces over a coat of alkali resistant primer complete all as specified and as directed. |
| 36 | M & L Preparationf of Old wall surface and applying one coats of 100% premium acrylic emulsion paint ( 200 micron )having VOC less thean 50 gm / litre and UV resistance as per IS- 15489-2004, Alkali & fungal resitance, dirt resistance exterior paint of required shade (Company Depot Tinned) with silicon additives @ 1.43 litre / 10 sqm over complete all as specified and as directed. |
| 37 | Demolition of cement concrete (reinforced) of any description and in any position not otherwise specifically provided for |
| 38 | M & L Reinforced cement Concrete (Nominal Mix) Type B0 1:2:4 (12 5 mm graded aggregate) as in Fins, fascias, louvres, parapets, and railings exc. 60cm in height, newels, balustrade, and the like, or as in parapet wall height up to 12 mtr including setting up scaffolding, ladders, and other temporary structures that allow workers to access different levels of the building , hoisting and lowering including taking all safety measures necessary complete all as specified and directed. |
| 39 | Formwork to Formwork to edges of concrete flats, breaks in floors, openings in concrete walls, floors and roofs and sides of RCC/PCC bands in walls,parapet walls horizontal or sloping, and similar work all exceeding 20cm wide. height up to 12 mtr including setting up scaffolding, ladders, and other temporary structures that allow workers to access different levels of the building , hoisting and lowering including taking all safety measures necessary (Where RCC/PCC band in walls, spanning and opening, the formwork soffit only shall be paid for under item complete all as specified and directed. |
| 40 | M & L for Mild steel TMT bars 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips all as specified and directed |
| 41 | M & L for Mild steel TMT bars 6 to 8mm dia and cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips all as specified and directed |
| 42 | Taking down cement plaster on brick work or stone wall etc including racking out joints, hacking for key, scrubbing down with water etc all as specified and directed. |
| 43 | M & L for Rendering 15mm thick in CM 1:3 on concrete masonary or surfaces other than fair face of brick work with water proofing compound finished fair and even without using extra cement. |
| 44 | M & L for applying two or more coats of 100% premium acrylic emulsion paint ( 200 micron ) having VOC less thean 50 gm / litre and UV resistance as per IS- 15489-2004, Alkali & fungal resitance, dirt resistance exterior paint of required shade (Company Depot Tinned) with silicon additives @ 1.43 litre / 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre / 10 sqm over newly plastered surfaces of wall surfaces complete all as specified and as directed. |
| 45 | Surface Preparation:Remove all the existing dust laitance & amp; contaminations on the existing substrate. Surface to be free from frost, surface laitance and contamination free form loose aggregate or other sharp protrusions with fairly smooth finish for application of waterproof coating prime the surface with water. |
| 46 | Treating the Cracks, Construction Joints:Chase opening the Construction Joints by providing “ U “ groove removing the dust and clean the designated area fill the prepared surface using Fosroc Decofill paste as directed. |
| 47 | Construction Joints Cementitious Pressure Grouting:Fixing the suitable nipples in 500mm C/C at coving and construction joints and doing pressure grouting using Cebex 100 expandable grout additive @ 225fms per bag of cement of 50 kg at a pressure of 2 to 4kg/cm2. |
| 48 | Sump Waterproofing System :Providing and Applying Two Coats of Nitocote CM210 is an elastomeric cementitious coating, used for waterproofing water retaining structures and water excluding structures. Nitocote CM210 provides an elastomeric waterproof coating suitable for use in potable water tanks, reservoirs, canals and culverts. The material which can be used on concrete, brick and block – work substrates exhibit good crack bridging qualities even after long term water immersion. This is a condition of number of cementitious coatings cannot satisfy. Nitocote CM210 has been developed to readily accommodate the maximum permissible crack widths recommended in BS8007: 1987 the British Standard Code of Practice for the design of concrete structures for retaining aqueous liquids. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 24, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedNov 14, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 19 daysNov 16, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 21 daysTender Documents
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