Providing Up-Gradation Works at NFA Quarters in HAL Bangalore.

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Average annual financial turn over during the last 3 years, ending 31st March 2024 of the previous financial year [ should not be less than 30% of Amount put to tender]

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Experience of having successfully completed similar works during last 7 years ending last day of previous month. [Latest work experience certificate may be uploaded] (i) THREE similar completed works each costing not less than the amount equal to 40% of the estimated cost. (ii) TWO similar completed works each costing not less than the amount equal to 50% of the estimated cost. (iii) ONE similar completed work each costing not less than the amount equal to 80% of Amount put to the tender.

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work done

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Specification

Demolishing of Nominal Cement Concrete 1:3:6 or richmix (i/c equivalent design mix) manually / by mechanical means including disposal of material within 50 meters lead, etc., all complete as directed by Engineer-in-Charge.

Dismantling of tiles thickness of 10mm to 25mm in floors, walls and roofs laid in cement motor including stacking materials within 50m lead, etc., all complete as directed by Engineer-in-Charge.

Dismantling of old plaster or skirting of any description on brick / block walls including racking out joints, cleaning ,scrubbing etc., disposal of rubbish, etc., all complete as directed by Engineer-in-Charge.

Disposal of surplus earth / moorum / building rubbish / malba / similar unserviceable, dismantled or waste material of partitions, ceiling boards, tiles, frames, etc., by mechanical transport including loading, transporting, unloading in all lifts / loads upt 10 km distance from HAL, etc., all complete as directed by Engineer-in-Charge.

Grouting the joints of flooring tiles having joints of 3mm width(Tile size upto 500mm x 500mm or as per site condition), using epoxy grout mix of 0.70kg of organic coated filler of desired shade (0.10kg of hardener and 0.20kg of resin per kg), including filling / grouting and finishing, etc., all complete as directed by Engineer-in-Charge.

Providing and laying of Plain Cement Concrete [PCC] 1:3:6, using 20mm and down size coarse graded hard stone aggregate in accordance with IS:456-2000 for levelling course at any depth in foundations, trenches, pits and tunnels in under floors, mass concrete and other similar works at all levels and heights, elevations including mechanical mixing, transporting and placing at all lifts, vibrating, compacting, levelling, curing, dewatering in foundations, etc., as necessary complete all as per specifications, drawings, etc., all complete as directed by Engineer-in-Charge.

Providing and laying Double charged Vitrified tiles in floor in different sizes (thickness to be specified by the manufacturer) of size [600 x 600]mm / as per site condition with water absorption less than 0.08% and conforming to IS:15622, of approved brand & manufacturer, in all colours and shade, laid on 20mm thick cement mortar 1:4 (1 cement: 4 coarse sand) jointing with grey cement slurry @3.30kgs/Sq m including grouting the joints with white cement and matching pigments, etc., The tiles must be cut with the zero chipping diamond cutter only. Laying of tiles will be done with the notch trowel, plier, wedge, clips of required thickness, leveling system and rubber mallet for placing the tiles gently and easily, etc., all complete as directed by Engineer-in-Charge.

Providing and fixing of 1st quality Ceramic glazed wall tiles (Light / dark shade) conforming to IS: 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black , in skirting, risers of steps and dados, over 12mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.30kgs per Sq m, including pointing in white cement mixed with pigment of matching shade of any size as approved, etc., all complete as directed by Engineer-in-Charge.

Providing and applying white cement based putty of average thickness 1mm of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete and Wall painting with 1 coats of premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams / litre of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour, etc., all complete as directed by Engineer-in-Charge.

Cement mortar (1:6) plastering 15 mm thick for brick / concrete surfaces, finished smooth with trowel including lime rendering for interior faces of walls surfaces including scaffolding, curing, etc., all complete as directed by Engineer-in-Charge.

Supplying, fabricating and fixing of Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, etc., all complete as directed by Engineer-in-Charge.

Providing and fixing G.I. chain link fabric fencing Made of G.I. wire of dia 4mm of required width in mesh size [50 x 50]mm including strengthening with 2mm dia wire or nuts, bolts and washers as required, etc., all complete as directed by Engineer-in-Charge.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade over the existing steel, concrete, wooden surface using one or more coats on old work including necessary preparation, etc., all complete as directed by Engineer-in-Charge.

Cutting holes of required size in brick masonry wall for fixing of exhaust fan including providing and fixing 300mm dia PVC pipe conforming BIS-12818 and making good the same, etc., all complete as directed by Engineer-in-Charge.

Providing and fixing aluminium sliding door bolts (aldrop) of [300 x 16]mm, ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868), transparent or dyed to required colour or shade, with nuts and screws, etc., all complete as directed by Engineer-in-Charge.

Providing and fixing C.P. / S.S. Jet (Health Faucet) with flexible tube upto 1 metre long with S.S. triangular plate on walls / Eureopean type W.C. material of approved make and quality, etc., all complete as directed by Engineer-in-Charge.

Providing and fixing bright finished brass 100mm mortice latch and lock with min. 6levers and a pair of lever handles of approved quality with necessary screws, etc., all complete as directed by Engineer-in-Charge.

Providing and fixing bright finished brass handles of 125mm size with screws, etc., all complete as directed by Engineer-in-Charge.

Taking out existing wooden door shutter, repair by cutting, painting, etc., and refixing of repaired door shutters to existing door frames, including replacement of hinges with screws, etc., as required, etc., all complete as directed by Engineer-in-Charge.

Providing, hoisting and fixing above plinth level up to floor five level precast reinforced cement concrete work in string courses, bands, copings, bed plates, anchor blocks, plain window sills and the like, including the cost of required centering, shuttering but excluding cost of reinforcement, with 1:1.5:3 (1 cement : 1.5 coarse sand incuding manufactured sand derived from Recycled Concrete Aggregate (RCA) upto 20% : 3 graded stone aggregate 20mm nominal size Recycled Concrete Aggregate (RCA) upto 20%), etc., all complete as directed by Engineer-in-Charge.

Supplying, straightening, fabricating (cutting & bending), placing in position and binding steel reinforcement of TMT bars of not less than Fe 500 D conforming to IS 1786 for all concrete reinforcment members / works above / below plinth level, including cutting to length, bending to shape required, including cranking, bending spirally for hooping for column, hooking ends and binding with mild steel wire (Annealed) not less than 0.90mm dia or securing with clips, including fixing and bracing, wastage, welding, supporting or otherwise holding firmly in position so that the placing and ramming of concrete will not displace it, etc., complete all as per specifications, drawings and as directed by the Engineer-in-Charge. Note: a) Only authorized laps, chairs etc. shall be considered for measurement. b) The exposed Reinforcement bars shall be coated with cement slurry.

Providing and fixing 20mm dia Concealed Chlorinated Polyvinyl Chloride (CPVC) pipes of approved brand, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, fixing the pipe with clamps at 1.00 m spacing, necessary reducers,unions,collars,bends, tank adaptors etc. This includes jointing of pipes & fittings with one step CPVC solvent cement and the cost of cutting chases and making good the same including testing of joints and making good the walls, etc., all complete as directed by Engineer-in-Charge.

Providing & Applying polymer modified, flexible cementatious negative side waterproofing coating with elastic waterproofing polymers on interior wall plaster surface in three coats @14.35 kgs /10 Sq m. one coat of self priming of cementatious waterproofing polymer (dilution with water in the ratio of 1:1) and two coats of cementatious waterproofing polymer (dilution with water in the ratio of 3:1 ) after scrapping and properly cleaning the surface to remove pre-existing paint film & loose particles till plaster is visible, etc., all complete as directed by Engineer-in-Charge.

Cutting holes / Repairing of Existing hole of up to [15 x 15]cm in R.C.C. floors and roofs (The Height of Building is 35m) for passing drain pipe, etc., and repairing the hole after insertion of drain pipe with cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size), including finishing complete so as to make it leak proof, etc., all complete as directed by Engineer-in-Charge. (Scafforliding paid separetely)

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40mm dia M.S. tube 1.50m 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, 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., all complete as directed by 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

Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions, etc., with EPDM rubber / neoprene gasket, etc., complete as per the architectural drawings and the directions of Engineer-in-Charge. (Cost of aluminium snap beading shall be paid in basic item): With float glass panes of 4.0mm thickness (weight not less than 10kgs / Sq m)

Providing and fixing concertina coil fencing with punched tape concertina coil 600mm dia 10 metre openable length (total length 90m), having 50 nos rounds per 6 metre length, upto 3m height of wall with existing angle iron ‘Y’ shaped placed 2.40m or 3.00m apart and with 9 horizontal R.B.T. reinforced barbed wire, stud tied with G.I. staples and G.I. clips to retain horizontal, including necessary bolts or G.I. barbed wire tied to angle iron, etc., all complete as directed by Engineer-in-Charge, with reinforced barbed tape(R.B.T.) / Spring core (2.50mm thick) wire of high tensile strength of 165 kgs / Sq mm with tape (0.52mm thick) and weight 43.478 gm / metre (cost of M.S. angle, C.C. blocks shall be paid separately)

Providing and fixing aluminium tower bolts [100 x 10]mm, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade, with necessary screws, etc., all complete as directed by Engineer-in-Charge.

Providing and applying 2.50mm thick road marking strips (retro- reflective) of specified shade / colour using hot thermoplastic material by fully / semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour, T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign materia, etc., all complete as directed by Engineer-in-Charge and accordance with applicable specifications.

Providing and fixing Powder coated aluminium (minimum thickness of coating 50 microns) work for doors, windows, ventilators and partitions with built up standard tubular sections / appropriate Z sections and other sections of approved make conforming to IS: 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber / neoprene gasket, etc., Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / paneling, C.P. brass / stainless steel screws, etc., all complete as per architectural drawings and the directions of Engineer-in-Charge. (Glazing, paneling and dash fasteners to be paid for separately

Rupees Thirty Seven Lakh Fifty Six Thousand Seven Hundred Eighteen and Eighty Three Paise Only

Approximate Amount Put to Tender

Rupees Six Lakh Seventy Six Thousand Two Hundred Nine and Thirty Eight Paise Only

Rupees Forty Four Lakh Thirty Two Thousand Nine Hundred Twenty Eight and Twenty One Paise Only