Tender For Special Repair To Roof Treatment In Building No P-24 Of Technical Area A At Irde Under Ge (I) R&D Dehradun
Tender Overview
Project Description
Tender for Special Repair To Roof Treatment In Building No P-24 Of Technical Area A At Irde Under Ge (I) R&D Dehradun
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 23-Jun-2026 | Revised BOQ | BOQ | 03-Jul-2026 |
| 2 | 23-Jun-2026 | Corrigendum | Other | 03-Jul-2026 |
| 3 | 03-Jul-2026 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 10-Jul-2026 |
BOQ
| Sl. No. | Item Description |
| 1 | Removing of old treatment from old concrete floor/terrace taking down existing detoriated / decayed tarfelt or any treatment including loose surface, scraping with scraper, chiseling.scraping of surface with wire brush of any other method. sweeping clean & washing down with water to remove dust etc. and removing the scraped materials debris to a distance not exc. 1000 m complete all as specified and directed. |
| 2 | M&L Rendering 12 mm thick on fair faces of brick work or concrete surfaces in CM 1:3 complete all as specified and directed. |
| 3 | Supply only Integral waterproofing compound complete all as specified and directed. |
| 4 | Roof waterproofing with SBS Wet Boanded Membrane Providing and Applying Wet Applied Polymer Modified Bituminous Waterproofing Membrane (SikaShield® W162 ED IN 1,5 mm) having release liner on both side for wet- application on the retaining wall. The procedure involves the concrete to be saturated by water (use water hose). Any protrusions need to be removed and the concrete surface needs to be cleaned. A bonding slurry SikaShield® W1 (with approximate of 2–3 kg/m2) is applied to the substrate. At one end of the membrane, peel away part of the release liner from the membrane's underside (on the Sika sticker side). Bond this end of the membrane to the adhesive and the substrate. Continue to peel away the release liner sideways from the rest of the membrane's underside. Bond the rest of the membrane to the adhesive and the substrate and hard roll firmly fixing it onto the adhesive.The Modified Bituminous Waterproofing Membrane shall have following typical properties:Resistance to static puncture > 250 N (ASTM E154) Tensile strength ≥ 11 kN/m (ASTM D5147) Elongation ≥ 45 % (at break) (ASTM D5147) Tear strength Longitudinal ≥ 350 N Transverse ≥ 250 N (ASTM D5147) Joint shear resistance ≥ 500 Nz/5cm (EN 12317-1) Foldability at low temperature (At -25° C) Pass,No cracks observed (EN 1109) Permeability to liquid water Water Absorption (%) ≤ 0.5 (ASTM D5147) Resistance to water penetration No Leakage (ASTM D 5385) Ambient air temperature +10 °C min. / +40 °C max Relative air humidity Upto 80 % Substrate temperature +10 °C min. / +40 °C max |
| 5 | Supplying and Laying of 120 gsm geotextile membrane over the coating before screed complete all as specified and directed. |
| 6 | Open the grove in v shape and fill with the Sikaflex 127 a single-component Pu sealant. Providing and applying Sikaflex®-127, a single-component, elastic, moisture-curing hybrid polyurethane sealant and adhesive. Suitable for sealing connection joints, window and door frames, precast concrete elements, and facades. Also used as an adhesive for bonding construction components like concrete, wood, metals, PVC, and aluminum composite panels. Key Features: High weather resistance, over-paintable, low odor, and good adhesion to various substrates without special pre-treatment. Technical Specifications: Shore A hardness ~35, tensile strength ~1 N/mm², elongation at break ~350%. Curing: ~2 mm/24 hours curing rate complete all as specified and directed. |
| 7 | Supply and fixing Heat Resistant Terrace Tiles (300 mm x 300 mm x 20 mm) with SRI (solar refractive index) > 78, solar reflection > 0.70 and initial emittance > 0.75 onwaterproof and sloped surface of terrace, laid on 20 mm thick cement sand mortar in the ratio of 1:4 (1 cement : 4 coarse sand) and grouting the joints with mix of white cement & marble powder in ratio of 1:1, includingrubbing and polishing of the surface upto 3 cuts complete, including providing skirting upto 150 mm height along the parapet walls in the same manner complete all as specified and directed. |
| 8 | Dismantling old plaster of skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead complete all as specified and directed. |
| 9 | M&L for 15mm thick rendering in CM 1:4 on fair faces of brick work or concrete surfaces even and smooth without using extra cement with WPC. (Note: WPC shall be mixed as per manufacturer's instructions and measured/paid separately under relevant item) complete all as specified and directed. |
| 10 | M&L for 10 mm cement plaster in CM 1:3 on ceiling surface/concrete surfaces all as specified. |
| 11 | M&L for Rendering 15 mm thick other than fair face of brick work or concrete surfaces complete all as specified and directed. |
| 12 | Supply only Liquid water proofing compound complete all as specified and directed. |
| 13 | Finishing walls with ready mixed Premium acrylic emulsion paint (Company Depot Tinted) having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade with silicon additives.New work (Two or more coats applied @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm. |
| 14 | M&L for preparation of newley plastered surface on walls and applying two coats of oil bound distemper incl primer complete all as specified and directed. |
| 15 | Providing and applying 3mm thick wall care putty on wall complete all as specified and directed. |
| 16 | Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead complete all as specified and directed. |
| 17 | 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 size derived from natural sources) complete all as specified and directed. |
| 18 | Centring and shuttering including strutting, ropping etc. and removal of form for Suspended floors, roofs, landings, balconies and access platform complete all as specified and directed. |
| 19 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more complete all as specified and directed. |
| 20 | M&L Cement concrete in roof kerbs, mud stops or stops or coping (rounded or chamfered on edges as directed) type B1 (1:2:4) using 20 mm graded aggregate complete all as specified and directed |
| 21 | Taking down old steel tubing & connection including cleaning for refixing for 15mm bore pipe complete all as specified and directed. |
| 22 | Ditto- all as per item above but 20 mm bore complete all as specified and directed. |
| 23 | Ditto- all as per above but 25 mm bore complete all as specified and directed. |
| 24 | Providing and fixing G.I. Pipes complete with G.I. fittings and clamps, including making good the walls etc. concealed pipe, including painting with anti corrosive bitumastic paint, cutting chases and making good the wall :15 mm dia nominal bore |
| 25 | Ditto- all as per item above but for 20 mm bore complete all as specified and directed. |
| 26 | Ditto- all as per item above but for 25 mm bore tube complete all as specified and directed. |
| 27 | Dismantling water tanks and removing to store capacity exc. 250 ltr but not exceedings 500 liters complete all as specified and directed. |
| 28 | M&L 1000 ltr Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I complete all as specified and directed. |
| 29 | Providing and fixing 25 mm gun metal gate valve in repairs with C.I. wheel of approved quality (screwed end) complete all as specified and directed. |
| 30 | Demolition asd breaking up drain/rain water pipe of any type and size, set in cement motar or complete all as specified and directed. |
| 31 | Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes.110 mm diameter complete all as specified and directed. |
| 32 | Ditto- all as per item above but 75mm dia complete all as specified and directed. |
| 33 | Providing and fixing 110x110x110 single tee with door on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion complete all as specified and directed. |
| 34 | Ditto- all as per item above but 75 mm dia complete all as specified and directed. |
| 35 | Ditto- all as per item above but single bend of 110mm dia complete all as specified and directed. |
| 36 | Ditto- all as per item) above but 75mm dia complete all as specified and directed. |
| 37 | Removal of loose concrete carefully by low impact hammer breaker or manually by chisel and hammer mechanism, claeaning the debris and disposal as instructed by engineer in charge. |
| 38 | Cleaning of exposed existing reinforecement with wire brush, carrying out application of 2 coats of rust coverting primer, suitable time interval to be maintained in between 2 coat application according to maufactures instructions complete all as specified and directed. |
| 39 | M&L for Application of concrete penetrating bi polar megratory corrosion inhibitor on concrete surface, the inhibitor penetrates concrete surface upto 100mm and protect the reinforecement from further detoriation complete all as specified and directed. |
| 40 | Providing & fixing rebar of required length & diameter with ETA approved, Styrene free, fire resistant, epoxy resin based, 2-part, thixotropic, high performance anchoring adhesive Sika AnchorFix®-3030 or equivalent. The material shall be tested for Seismic tested (C1 & C2) under ETA, whereever required in RCC members including power drilling, cleaning of holes, then rebars should be inserted in holes that should be filled with epoxy to ensure the bond as per manufacture recommendation complete as per site requirement and directions of Engineer-incharge. |
| 41 | Building up concrete structure by using polymer modified mortar system in damaged areas of concrete with epoxy mortar (1 polymer of approved grade : 15 parts graded quartz sand) incluing application of compatible bond coat of epoxy bond coat by brush complete all as specified and directed. |
| 42 | M&L for the tile joint chemical cleaning and re-grouting carefully by washing the existing tille with heavy duty tile cleaner preferbly of M/S Pidilite or equivalent cleaner, again washing with fresh jet water, scratching the joints and filling the same with (white/matching colour) epoxy tile grout of M/s Pidilite, ROFF RTM epoxy or equivalent, curing, cleaning the surface etc, complete all as specified and directed by Engr-in-Charge and as per the sample done at ground level. |
| 43 | Taking up/down plants or vegetation growth from wall upto roof level by means of cutting hole into brick wall and making good the surface of dismantled portion (not exc 150 sq cm superfical area and not exc one brick depth) using brick bats /aggregate and plastering in cement mortar (1:4) to distrubed portion and applying two coats of cement base paint / weather coat to match the existing surface upto forth floor complete all as directed by Engineer -in charge. |
| 44 | M&L for Making hole and fix 12mm dia GI Nozzle @0.5 mtr c/c on the entire area of sunken/wall/floor portions and applying chemical injection grouting through the nozzles with cement slurry admixture with dr fixit bath seal grouting or other equivalent with pressure pump in 40 PSI. seal off the nozzleand cutting the same after grout has set complete all as specified and directed. |
| 45 | S&F SFRC (Steel Fibre Reinforced Concrete) storm water (grating) drain cover with frame of size 910X450mm of MD-10 Tone capacity, complete all as directed by Engineer -in charge. Make :KK or equivalent. Note : - Contractor will provide manufacturer test certificate of SFRC cover & frame. Please Enable Macros to View BoQ information |
AI Tender Summary
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Tender Published
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CompletedCorrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
CompletedCorrigendum-2 Issued
Clarifications on tender conditions and amendments issued.
CompletedCorrigendum-3 Issued
Clarifications on tender conditions and amendments issued.
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