Council Of Scientific And Industrial Research-CSIR has published Restoration Of Existing 4.50 Lakhs Litres Capacity Rcc Overhead Tank Near Football Ground In The Premises Of Csir-Cftri, Mysuru Restoration Of Existing 4.50 Lakhs Litres Capacity Rcc Overhead Tank Near Football Ground In The Premises Of Csir-Cftri, My. Submission Date for this Tender is 21-08-2021. Over Head Tank Tenders in CSIR-CFTRI, Mysuru Karnataka. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform of 1 metre wide at every 2 metres intervals etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after .The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in- charge . The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding. Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done. |
| 2 | 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 75mm average thickness |
| 3 | 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 50mm average thickness |
| 4 | 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. 25 mm average thickness |
| 5 | 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. Bars upto 12 mm diameter |
| 6 | Providing and Applying two coats of anti-corrosive chemical on steel reinforcement using approved quality chemical as per the manufactures specification. (Annexure - A) Make: Dr. Fixit Epoxy Zinc rich primer (M/s. pidilite) or NITO Zinc primer (M/s. FOSROC) |
| 7 | Providing and Applying two coats of Corrosion inhibitor chemical on cleaned surface of concrete using approved quality chemical as per the manufacture"s specification. (Annexure - B) Make: Master protect 8000CI (M/s. BASF India Ltd (or) conplast CN (M/s. FOSROC) (or) Mapeshield CI 100(M/s. Mapei Const. Pvt Ltd.) |
| 8 | Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm upto 200mm in RCC beams, lintels, columns and slabs to introduce steel bars for sunshades/balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge. (Annexure - C) Upto and including 12mm dia. |
| 9 | 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. (Annexure - D) Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make |
| 10 | Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded M sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. (Annexure - E) 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). 50 mm average thickness in 3 layers. |
| 11 | Making "U" groove in the expansion joints (inside) of the container wall icluding the repair to the edges as per the direction of Engineer incharge. 15 mm wide and 15 mm deep groove |
| 12 | Providing and inserting 12mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diametre (20mm to 30mm) up to depth from 30mm to 80mm at required spacing and making the hole & crack dust free by blowing compressed air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of Engineer-In-Charge. (Annexure - F) |
| 13 | Providing and filling "U" groove with ready to use epoxy putty over the epoxy structural bonding primer coat of old and new concrete surface in expansion joints etc. complete as per Engineer-in-charge. (Total quantity-100 metres) |
| 14 | Providing and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/ masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in-Charge. (Annexure - F) Epoxy injection grout in concrete/RCC work of approved make |
| 15 | 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. |
| 16 | Providing and laying SBR Polymer modified (of approved make @ minimum 2% by wt. of cement used) plain/reinforced concrete jacket for the structural members e.g. columns, pillars, piers, beams etc with concrete having the specified minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness all-round existing core of RCC member. (Annexure - E) & (Annexure - I) Note: Rates shall be for finished surface area of concrete and shall include the cost of making holes in existing RCC slab, if required, for pouring concrete in shuttering mould of jacket and appropriate approved Super-Plasticiser for rendering concrete as flowable self compacting and SBR polymer but shall exclude cost of reinforcement, bond coat, Shear Keys, centering and shuttering, strutting, propping etc (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) 75mm thick in Grade M 25 with cement content not less than 330 kg per cum |
| 17 | Applying water proof plaster with layer 12 mm thick cement mortar on interiorsurface of the container wlls, 1:4 (1 cement: 4 M sand), with joints not exceeding 5 mm, including filling the gaps with ordinary cement mixture & mixing with synthetic polyester fibre, triangular in shape having specific gravity of 1.34 to 1.40, cross section size ranging from 10 to 40 micron & length upto 6 mm , mixing fibre @ 125 grams per 50 kg of cement in cement mortar, including providing and mixing water proofing material in mortar @ 1 kg per 50 kg of cement, all complete as per direction of Engineer-in-charge. sqm 735.65Polypropylene fibres Added 30% of shifting charges (Annexure - G) |
| 18 | Extra for plastering exterior walls of height more than 10 m from ground level for every additional height of 3 m or part thereof. |
| 19 | Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer’s specifications including appropriate priming coat, preparation of surface, etc. complete. (Annexure - H) On concrete work |
| 20 | 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 |
| 21 | Providing and fixing stainless steel ( Grade 304) railing made of Hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary stainless steel nuts and bolts complete, i/c fixing the railing with necessary accessories & stainless steel dash fasteners , stainless steel bolts etc., of required size, on the top of the floor or the side of waist slab with suitable arrangement as per approval of Engineer-incharge, (for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as nuts, bolts, fasteners etc.). |
| 22 | Dismantling GI. or asbestos rain water pipe with fittings and clamps including stacking the material within 50 metres lead : 150 mm dia pipe |
| 23 | Providing and fixing of gunmetal gate value with CI wheel - 80mm dia - 150 mm dia |
| 24 | Providing and fixing of GI pipe of 150 mm dia Make: TATA , B class |
| 25 | Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete : 50 to 150 mm nominal bore |
| 26 | Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete |
| 27 | Finishing walls with 100% Premium acrylic emulsion paint 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 (Company Depot Tinted) 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. |
| 28 | Painting to GI pipe with two coats of synthetic enamel over priming coat 100 mm dia |
| 29 | Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. |
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