Proposed Civil Works of AHU Room for Existing LCA Composite Shop at Aerospace Composite Division, HAL HC.

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Average annual financial turn over during the last 3 years, ending 31st March 2023 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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DECLARATION I

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Specification

Boring, providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-25 of diameter of 450mm and specified length below the pile cap, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. striking off/chipping the top level of mud concrete. The drilling by percussion drilling using Direct mud circulation (DMC) or Bailer and chisel technique by tripod and mechanical Winch Machine all complete, including removal of excavated earth with all its lifts and leads, etc., all complete as directed by Engineer-in-Charge. (length of pile for payment shall be measured up to bottom of pile cap). The minimum cement content shall not be less than 350kg/m3.

Earth work in all types of soils by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, etc., all complete as directed by Engineer-in-Charge.

Removing / transporting the surplus excavated earth including debris, vegetation waste etc., to a distance not exceeding 2000m including loading, unloading, depositing, spreading, levelling, etc., after obtaining due clearance from the Engineer-in-Charge, etc., all complete as directed by the Engineer-in-Charge.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40mm nominal size derived from natural sources) in accordance with IS 456 in foundations, mass concrete, sub bases, floors, pavings and other similar works excluding formwork, mechanical mixing, transporting, vibrating, consolidation, levelling, curing, dewatering if any, all materials, labour, lead & lift, tools, plant & machinery, keeping concrete well wetted during the curing period and protecting it in extreme weather conditions, etc., all complete as directed by the Engineer-in-Charge.

Providing and laying M 25 grade Concrete in position ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard settingof concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing,carriage for all leads; but excluding the cost of centering, shuttering and finishing, etc., all complete as directed by Engineer-in-Charge.; for the following grades of concrete.

All works up to plinth level including pile cap

All work above plinth at all levels including necessary openings and packing if any for laying pipes, cables etc.

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement: 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20mm nominal size derived from natural sources) over 75mm thick bed of dry brick ballast 40mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth, etc., all complete as directed by Engineer-in-Charge.

Brick work with common burnt clay modular bricks of class designation 7.5 in exposed brick work including making horizontal and vertical grooves 10mm wide 12 mm deep complete in cement mortar 1:6 (1 cement : 6 coarse sand), etc., all complete as directed by Engineer-in-Charge.

Formwork by providing timber, wooden planks, runners / M.S. sheets with all supports, struts, braces, wedges, scaffolds, bracings, ladders, gangways, dressing with oil including M.S. bolts nuts and washers, temporary openings, filleting for a stop, chamfered edges, internal / external splayed, rounded angles or grooves for forming throating including making temporary openings in the forms for pouring concrete, etc., all complete as directed by the Engineer-in-Charge for the sub-items mentioned below. Note: Formwork material is contractor's own property and shall be removed after completion of work.

For slabs, landings, balconies, canopies, deck slabs, shelves and the like in fair finish

For lintels, beams, tie beams, cantilevers, bressummers etc.

For stairways & steps, waist slabs etc.

For columns, pillars, brackets, piers, posts, struts etc.

Supplying, fabricating and fixing second class teak wooden plain, solid, straight chowkats and frames of doors, windows and other frames, wrought framed, rebated on the solid, rounded or chamfered, put together with glue, pinned at joints and fixed to wall or in position with hold fast lugs or with dash fasteners of required dia & length, etc., all complete as directed by the Engineer-in-Charge. Note: The timber in contact with masonry shall be treated with anti-termite paint. Hold fast lugs or dash fastener shall be paid separately.

Providing and fixing 35mm thick flush door shutters conforming to IS : 2202 (Part I) decorative type, core of block board construction with frame of 1st class hard wood and well matched teak 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters including ISI marked Stainless Steel butt hinges with necessary screws, etc., all complete as directed by Engineer-in-Charge.

Supplying and fixing the following fittings / hardware of approved make and design to door with all required screws, bolts, nuts, washers, etc., all complete as directed by the Engineer-in-Charge.

Providing and fixing bright finished brass tower bolts (barrel type) with necessary screws - [200 X 10]mm

Providing and fixing bright finished brass door latch (Al-Drop) [250 X 16 X 5]mm with necessary screws

Providing and fixing bright finished brass butt hinges with necessary screws, etc., complete of approx. [125 X 85 X 5.50]mm

Providing and fixing bright finished brass handles with screws Min.125mm

Providing and fixing bright finished brass hanging type floor door stopper with necessary screws

Providing [40 x 5]mm flat iron hold fast 40cm long including fixing to frame with 10mm diameter bolts, nuts and wooden plugs and embedding in cement concrete block [30 x 10 x 15]cm 1:3:6 mix (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size).

Supplying and fixing rolling shutter of approximate size [2.40 x 2.40]m, gear operated type with bevel gear box and crank handle, with 80 X 1.25 MS Latch conforming to IS 6248, with Hood Cover of 1.25mm thickness including curtain, lock plate, guide channels, bracket plate, roller, hood cover, etc., of standard design and approved make. The curtain shall be built up of interlocking lath sections made from cold rolled steel strips of min. 1.25mm thickness conforming to temper no. 5, dead soft quality of IS 4030. A fabricated lock plate of riveted construction made of mild steel sheet of not less than 3.15mm thickness, reinforced with mild steel angle section of not less than (35 x 35 x 5)mm size at the bottom, shall be interlocked with bottom most lath section of curtain so as to provide contact against the cill, when closed. Guide channels shall be made of mild steel deep channel section and of rolled, pressed or built up construction. Thickness of sheet shall not be less than 3.15mm. There shall be a clearance of min. 10mm between the guide wall and the end clips of the curtain. The curtain shall be supported on bracket plate fabricated out of mild steel sheet of min. 6mm thickness. The shaft shall be manufactured from heavy duty mild steel tube suitable for mechanical purposes and conforming to IS 1161, with suitable outside diameter and wall thickness to suit the shutter application. The suspension shaft of the roller shall be provided with steel or preferably cast iron pulleys and helical wire spring or flat spiral springs for counter balancing the weight of the shutter adequately.

Supplying, straightening, fabricating and fixing steel reinforcement of HYSD TMT bars of not less than Fe 500 conforming to IS 1786 for all concrete reinforcment members / works 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: Only authorized laps, chairs etc. shall be considered for measurement.

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-in-Charge, (for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as nuts, bolts, fasteners, etc.).

Providing, applying and laying cement mortar (1:6) plastering 15mm thick on brick / solid blocks / concrete surfaces, finished even and smooth with trowel for Internal/External walls, etc., including supply and fixing of hexagonal chicken mesh minimum 150mm wide having opening [20 x 20]mm of 26 gauge at juncitons of concrete & brick work or between different material, including making grooves as per the requirement n.exc 10mm width and n.exc 10mm deep with necesary materials, labour, scaffolding, curing, tools and tackles etc., at all heights, all complete as directed by the Engineer-in-Charge.

Providing, applying and laying 12mm thick cement plaster work in for internal/ External areas of Ceilings, Chajjas etc in CM (1:4) including forming grooves n.exc 10mm wide and n.exc 10mm deep as per requirement as directed including preparation of surface by hacking etc., at all levels with necesary materials, labour, scaffoldings, curing, tools and tackles, plants etc., threading if any as directed, all complete as directed by the Engineer-in-Charge.

Providing, applying and laying 18mm thick cement plaster work in two coats for external areas as directed. First coat 12mm thick in cement mortar (1:5) made rough to recieve top coat, second coat 6mm thick in cement mortar (1:6), final surface finished with a floating coat of neat cement after necessary preparation of surface, at all levels including supply and fixing of hexagonal chicken mesh minimum 150 mm wide having opening [20 x 20]mm of 26 gauge at juncitons of concrete & brick work or between different material, with necesary materials, labour, scaffoldings, curing, tools and tackles, plants etc., threading if any as directed, etc., all complete as directed by the Engineer-in-Charge.

Painting newly plastered interior surfaces of Walls and Ceiling with two coats of premium acrylic emulsion paint of interior grade having VOC (Volatile Organic Compound) content less than 50 grams / litre conforming to IS 15489, of approved make, brand, colour, shade, tint, manufacture & pattern at all levels, including preparing the surface by removing loose dirt and any organic growth, smoothening the surface by using suitable emery paper, filling crevices and finishing even and smooth by providing and applying white cement based putty of average thickness of 1mm in 2 coats of approved brand and manufacture over the plastered wall surface and followed by the applying priming coat with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content With water thinnable cement primer on applied putty having VOC content less than 50 grams/litre, necessary scaffolding etc., all complete as directed by the Engineer-in-Charge.

Painting newly plastered external surfaces with two or more coats applied at 1.43 litre/10 Sq m/ as per manufacturer specifications of 100% premium acrylic emulsion paint having VOC less than 50 grams/ litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint with silicon additives of approved make, colour, shade, tint & pattern at all levels, over and including a coat of approved acrylic primer including preparing the surface by removing loose dirt and any organic growth, filling of cracks, necessary scaffolding etc., all complete as directed by the Engineer-in-Charge. Note: The paint shall have anti-algal, anti-fungal, UV resistant & anti-tarnishing qualities with 100% acrylic base and silicon or elastomeric additives.

Painting Wooden surfaces of any description with two coats of synthetic enamel paint conforming to IS 2932, of approved colour and manufacture over a coat of primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content,with ready mixed pink or grey primer on wood work (hard and soft wood) having VOC content less than 50 grams/ litre including preparation of surface by rubbing with fine grade of abrasive paper to ensure smooth and even surface, applying knifing paste filler putty before painting the first coat etc., all complete as directed by the Engineer-in-Charge.

Painting steel surfaces of any description with two coats of synthetic enamel paint conforming to IS 2932, of approved colour and manufacture over an under coat of zinc chromate primer including preparation of surface by wire brushing/sand papering and wiping the surface clean with mineral solvents to remove grease and hard marks etc., applying metal paste for steel surface before painting the first coat etc., all complete as directed by the Engineer-in-Charge. Top coat of desired shade shall be applied after the undercoat has thoroughly dried and rubbed with fine grade of abrasive paper to ensure smooth and even surface, free from brush marks etc.,

Providing integral cement based water proofing treatment with an average thickness of 120mm including preparation of surface as required for treatment of roofs, balconies, terraces, etc., consisting of following operations: a) Applying a slurry coat of neat cement using 2.75 kg/m² of cement admixed with water proofing compound conforming to IS 2645 and approved by EIC over the RCC slab including adjoining walls upto 300 mm height including cleaning the surface before treatment. b) Laying brick bats with mortar using broken bricks/brick bats 25 mm to 115 mm size with 50% of CM (1:5) admixed with water proofing compound conforming to IS 2645 and approved by EIC over 20 mm thick layer of CM (1:5) admixed with water proofing compound conforming to IS 2645 and approved by EIC to required slope and treating similarly the adjoining walls upto 300 mm height including rounding of junctions of walls and slabs.

Providing, fixing, testing and commissioning single socketed pipes of 110mm dia, on wall face unplasticised Rigid PVC rain water pipes of 6 kg/cm² SWR grade and of approved make conforming to IS : 13592 Type A, including jointing together with seal ring conforming to IS : 5382, leaving 10mm gap for thermal expansion and all necessary fittings & specials, bends, branches, sockets, clamps, pipe cutting and wastages, cutting and making good the walls, connecting to existing lines etc., along with removal of existing rain water pipes, etc., all complete as directed by the Engineer-in-Charge.

Rupees Fifty Four Lakh Fifty One Thousand Four Hundred Twenty Three and Ten Paise Only

Approximate Amount Put to Tender

Rupees Nine Lakh Eighty One Thousand Two Hundred Fifty Six and Fifteen Paise Only

Rupees Sixty Four Lakh Thirty Two Thousand Six Hundred Seventy Nine and Twenty Six Paise Only