Construction of Air Supply building and Storage building for SWPB of CWMF, BARCF at Kalpakkam

Amount

Leveling the area to the required gradient in all types of soil including cutting the mounds wherever required, for filling the low lying area in layers not more than 150mm thickness, each layer well rammed and consolidated by hand/mechanical roller including ramming, consolidation, leveling to proper gradient, dressing the top surface to the required level, conveying the surplus excavated soil by head load up to a lead of 200m, all complete as directed by Engineer-in-charge.

Clearing light jungle area, bulb weeds, grass including cutting all unwanted plants, branches, twigs, wild growth etc. complete, and disposing the same 100 metres away manually or burning them without disturbing other areas etc., complete all as directed by the Engineer-in-Charge. Contractor must be informed to Engineer-in-charge and prior permission shall be obtained from him for burning the wild growth.

Providing and laying plain cement concrete 1:4:8 using 40mm maximum size graded aggregates including mechanical mixing, transporting and placing in required position, ramming, compaction, leveling, curing, shuttering, dewatering if any, complete all as per specification for leveling courses in foundation for walls, footings, floor drains etc., encasing pipes and other required works directed by Engineer-in-Charge complete all as per specifications.

Providing and laying plain cement concrete 1:3:6 using 40mm maximum size graded aggregates including mechanical mixing, transporting and placing in required position, ramming, compaction, leveling, curing, shuttering, dewatering if any, complete all as per specification for leveling courses in foundation for walls, footings, floor drains etc., encasing pipes and other required works directed by Engineer-in-Charge complete all as per specifications.

Supplying, fabricating, erecting and fixing in position at all levels, centering and shuttering to correct line and levels including strutting, propping, etc., with necessary bracings in all axes to give a stable assembly with provision for making the joints in the shuttering fully leak proof and with provision for fixing coil nuts with tie rods along with suitable channel for lateral supports and for inserts, projecting dowels, anchor bolts or any other fixture, including staging, access and working platforms etc., all complete as specified and directed including dismantling and removing the aforesaid assembly after the concrete attains the sufficient strength to self-support itself without cracking and distortion all as per specification, including all materials and labour complete in all respects at all lifts. The measurement for the formwork will be the actual area of forms in contact with concrete surfaces. Shuttering with plywood panels alone will be permitted.

Supplying, fabricating, erecting and fixing in position at all levels, centering and shuttering for curved surface to correct line and levels including strutting, propping, etc., with necessary bracings in all axes to give a stable assembly with provision for making the joints in the shuttering fully leak proof and with provision for fixing coil nuts with tie rods along with suitable channel for lateral supports and for inserts, projecting dowels, anchor bolts or any other fixture, including staging, access and working platforms etc., all complete as specified and directed including dismantling and removing the aforesaid assembly after the concrete attains the sufficient strength to self-support itself without cracking and distortion all as per specification, including all materials and labour complete in all respects at all lifts. The measurement for the formwork will be the actual area of forms in contact with concrete surfaces.

Providing, straightening, decoiling wherever necessary bending, cutting, binding and fixing in position steel reinforcement TMT bars of Fe500D grade steel conforming to IS:1786 'SAIL or VIZAG or approved equivalent make' and tying with approved annealed binding wire of 1.6mm dia in all reinforced cement concrete work at all lifts, including cost of supplying and fixing the spacer/cover blocks and binding wire complete all as per specification and as directed by Engineer-in-Charge at all lifts. Note: The rate shall be including the cost of reinforcement steel. The reinforcement steel will be procured from dealers with a test certificate as approved by the department. For further details please see Clause 11 of Section VIII, General Information for Guidance of Tenderers.

Providing and laying cast insitu controlled reinforced cement concrete of specified grade at all levels and lifts mentioned below using 20mm maximum size hard granite machine crushed graded stone aggregates including weigh batching, charges for mixing & cost of admixture, mechanical mixing, transporting and placing at all lifts, vibrating, consolidating, curing and finishing smooth of all exposed faces complete for column footings, columns, lintels, sunshades, gutter slabs, beams, slabs, water tank, machine foundation and all other structural elements including dewatering wherever necessary (Formwork and reinforcement will be paid for separately) all as per specification and all as shown in drawings and as directed by the Engineer-in-charge for all in-situ item. Note: 1. The rate of concrete shall include all labour, equipment, charges for mixing & cost of admixture. Chemical admixture confirming to IS 9103 shall be mixed in fresh concrete and prior permission from engineer-in-charge shall be obtained for dosage and compatibility. 2. Test certificate of cement, procured from dealer/company to be submitted for all cement related works by the Contractor. 3. The rate shall be quoted on the basis of using minimum cement per Cu.m. of concrete mentioned below for relevant grade of concrete. Any upward/downward variation required to obtain the specified strength will be paid for or deducted at the rate of cement specified in Schedule F. M35 grade with 380 kg of cement per Cu.m. of concrete up to plinth level

Providing and laying cast insitu controlled reinforced cement concrete of specified grade at all levels and lifts mentioned below using 20mm maximum size hard granite machine crushed graded stone aggregates including weigh batching, charges for mixing & cost of admixture, mechanical mixing, transporting and placing at all lifts, vibrating, consolidating, curing and finishing smooth of all exposed faces complete for column footings, columns, lintels, sunshades, gutter slabs, beams, slabs, water tank, machine foundation and all other structural elements including dewatering wherever necessary (Formwork and reinforcement will be paid for separately) all as per specification and all as shown in drawings and as directed by the Engineer-in-charge for all in-situ item. Note: 1. The rate of concrete shall include all labour, equipment, charges for mixing & cost of admixture. Chemical admixture confirming to IS 9103 shall be mixed in fresh concrete and prior permission from engineer-in-charge shall be obtained for dosage and compatibility. 2. Test certificate of cement, procured from dealer/company to be submitted for all cement related works by the Contractor. 3. The rate shall be quoted on the basis of using minimum cement per Cu.m. of concrete mentioned below for relevant grade of concrete. Any upward/downward variation required to obtain the specified strength will be paid for or deducted at the rate of cement specified in Schedule F. M35 grade with 380 kg. of cement per Cu.m. of concrete for all floors

Providing and constructing brick masonry at all lifts using well burnt stock bricks in cement mortar 1:5 including suitable scaffolding, raking out joints, curing complete as per specifications and drawings for foundation, superstructure, etc. for the following floors. For basement and ground floor

Providing and constructing brick masonry at all lifts using well burnt stock bricks in cement mortar 1:5 including suitable scaffolding, raking out joints, curing complete as per specifications and drawings for foundation, superstructure, etc. for the following floors. For First floor

Providing and constructing brick masonry at all lifts using well burnt stock bricks in cement mortar 1:5 including suitable scaffolding, raking out joints, curing complete as per specifications and drawings for foundation, superstructure, etc. for the following floors. For Second floor

Providing and fixing 6 Lever Dead / Mortice Lock with brass handle ‘Godrej’ or other approved equivalent make suitable for flush door with a pair of keys and pair of brass handles, complete all as per specification and drawings.

Providing and fixing ISI marked (IS:205) aluminium butt hinges of size 100 x 63 x 4mm of approved make 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. complete all as per specifications and as directed by the Engineer-in-Charge.

Providing and fixing fire resistant door frame of section 143 x 57 mm having built in rebate made out of 16 SWG G.I. sheet (zinc coating not less than 120 gm/sqm) duly filled with vermuculite based concrete mix, suitable for mounting 60 minutes fire rated door shutters. The frame is fitted with intumuscent fire seal strip of size 10x4 mm (minimum) alround the frame and fixing with dash fastener of approved size and make, including applying a coat of approved brand fire resistant primer etc. complete as per direction of Engineer-in-charge (Dash fastener to be paid for separately).

Providing and fixing 50 mm thick fire resistant door shutters of 60 minutes fire rating conforming to IS:3614 (Part-II), tested and certified as per laboratory approved by Engineer-in-charge, with suitable mounting on door frame, consisting of vertical styles, lock rail, top rail 100 mm wide, bottom rail 200 mm wide, made out of 16 SWG G.I.sheet (zinc coating not less than 120 gm/m2) duly filled FR insulation material and fixing with necessary stainless steel ball bearing hinges of approved make, including applying a coat of approved fire resistant primer etc. all complete as per direction of Engineer-in-charge (panneling to be paid for separately).

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer. Using M.S. angels 40x40x6 mm for diagonal braces

Supplying and fixing Rolling shutters of approved make as per ISI standards made out of required size of MS Laths interlocked together throughout entire length and jointed together at the end by end locks mounted on specially designed pipes shaft with brackets, side guides and arrangements for inside & outside locking with Push and Pull operation complete including the cost of providing and fixing necessary 27.5 cm long wire springs grade No 2. and M.S. Top cover of required thickness for Rolling Shutters. Rolling shutters PULL and PUSH type including top hood 1.25mm thick

Extra over the cost of rolling shutters for Providing and fixing Motorized arrangements including designing, providing spring less motor, control panels, limit switches, etc of "Swastik" or "windoors" make or equivalent approved make all as per specification and as directed by the Engineer-in-charge. Exceeding 10.00 sqm and up to 16.80 Sqm in the area

Extra over the cost of rolling shutters for Providing and fixing Motorized arrangements including designing, providing spring less motor, control panels, limit switches, etc of "Swastik" or "windoors" make or equivalent approved make all as per specification and as directed by the Engineer-in-charge. Exceeding 16.80 Sqm in area

Providing, supplying, cutting, bending to shape, welding, fabricating, hoisting, placing and fixing in position structural steel members like trusses, purlins etc. using MS hollow / circular / square / rectangular tubular sections including chamfering and rounding off the edges, applying a coat of Red lead paint primer / Zinc chromate primer of approved make and 2 coats of flat oil paint / synthetic enamel paint of approved colour and make, scaffolding and staging required for fabrication as well as erection complete all as per specifications, drawings and as directed by the Engineer-in-charge. Note: Lifting device arrangements if any required also arranged by the contractor at his own cost.

Providing Structural steel work in M.S Plain Plates and chequered Plates in Embedded Parts, Trench Covers, Connection plates etc. including cutting, hoisting, fixing in position and applying a priming coat of approved zinc chromate steel primer etc. including cost of structural steel Plates, welding all labour charges etc. complete as per drawings and specifications. Structural steel plates to be used shall be of approved make.

Supplying, fabricating, installing, placing and securing in position steel grills for windows comprising of square bars / MS flats as per detailed drawing including cutting, bending to shape, welding, painting with two coats of synthetic enamel paint of approved colour over one coat of primer complete all as per specification and drawings.

Providing and fixing carbon steel galvanised ( minimum coating 5 micron) dash fastener of 10 mm dia double threaded 6.8 grade (yield strength 480 N/mm2), counter sunk head, comprising of 10 mm dia polyamide PA 6 grade sleeve, including drilling of hole in frame , concrete/ masonry, etc. as per direction of Engineer-in-charge. 10 x 120 mm

Providing 40mm thick concrete flooring with metallic concrete hardener topping at all levels and floors consisting of under layer of 28mm thick cement concrete 1:1:2 (1 part Cement : 1 part Fine aggregate : 2 part Coarse aggregate of 12.5mm and below size) by volume, top layer of 12mm thick 1:2 mix (1 part cement with metallic hardener of Hardonate / Ironite or approved equivalent : 2 parts of stone aggregate of 6mm nominal size by volume) (metallic hardener and cement mixed ratio is 1:4) prepared as per manufacturer's instructions including chipping the concrete surface, finishing, curing, providing aluminium dividing strips, cleaning the surface neatly at the time of handing over the area etc. complete all as per specifications and drawings.

Providing and fixing glass strip of 3mm thick (or 4mm as specified by Engineer-in-Charge) in flooring including cutting to required depth, fixing in position complete all as directed by the Engineer-in-Charge.

Providing and laying polished Kota stone for flooring & Skirting of required size as specified colour, free from cracks, fissures & flakes with straight edges & perfect corners laid at right angles as per pattern over a bedding of cement mortar 1:4, 20mm thick (or backing of cement mortar 1:3, 12mm thick as mentioned below) pointed neatly with white cement mixed with coloring pigment to match colour of slab and finished in all respects, including machine / hand cutting to required size and shape, curing, moulding and polishing of exposed edges, fixing stone to level and plumb, cleaning the surface neatly at the time of handing over the area, all materials and labour complete as per specifications and as directed by the Engineer-in-Charge. Note: The sample Kota stone slab shall be got approved by the Architect/Engineer before procurement. In steps / step tread, 25mm thick Kota slab of required colour, moulding and polishing of exposed edges, fixing with 20mm thick bedding in cement mortar 1:4. The Kota stone slab shall be single length to match step length.

Providing and laying polished Kota stone for flooring & Skirting of required size as specified colour, free from cracks, fissures & flakes with straight edges & perfect corners laid at right angles as per pattern over a bedding of cement mortar 1:4, 20mm thick (or backing of cement mortar 1:3, 12mm thick as mentioned below) pointed neatly with white cement mixed with coloring pigment to match colour of slab and finished in all respects, including machine / hand cutting to required size and shape, curing, moulding and polishing of exposed edges, fixing stone to level and plumb, cleaning the surface neatly at the time of handing over the area, all materials and labour complete as per specifications and as directed by the Engineer-in-Charge. Note: The sample Kota stone slab shall be got approved by the Architect/Engineer before procurement. In step risers 20mm thick Kota stone slab laid over 12mm thick backing in CM 1:3. The granite slab shall be single length to match step length.

Providing plastering to the internal surfaces of brickwork / blockwork / concrete at all elevations in Cement (PPC) mortar 1:4, 12mm thick finished with a floating coat of neat cement including hacking of concrete surfaces with pointed tool, scaffolding, finishing, curing, forming grooves wherever necessary, all as per specifications.

Providing plastering to the external surfaces of brickwork / blockwork / concrete at all elevations in cement (PPC) mortar 1:4 using washed crushed stone sand, 20mm thick in two layers, base layer 12mm thick and a top layer 8mm thick finished rought with sponge including hacking of concrete surfaces with pointed tool, scaffolding, finishing, curing, forming grooves wherever necessary, all as per specifications.

Providing plastering to the ceiling surfaces at all elevations in cement mortar 1:3, 6mm thick including hacking of concrete surfaces with pointed tool, scaffolding, finishing, curing complete all as per specifications.

Providing and applying painting Two coats at all levels with Acrylic emulsion paint (APEX or Equivalent approved brand, colour and manufacturer) to give an even shade including one under coat of suitable primer, applying putty, preparation of the surfaces, scaffolding complete all as per specifications and as directed by the Engineer-in-Charge.

Providing and applying painting two coats on ceiling surface at all levels with white colour Cement paint (Snowcem or Equivalent approved brand, and manufacturer) to give an even shade including preparation of the surfaces, scaffolding, curing complete all as per specifications and as directed by the Engineer-in-Charge.

Providing and Painting with Epoxy paint (two or more coats) using APCODUR-CF-641 finishing coat at all locations prepared and applied as per manufacturer' specifications including a priming coat if specified by the manufacturer, preparation of surface and etching with 10% commercial Hydrochloric acid wherever necessary and neutralizing the acid etched areas by washing with 5% solution of soda ash neatly and washing with sufficient water, after first coat Epoxy based trowelling compound if required, including preparation of the surface by scrapping, applying sand paper, filling the holes, joints, cracks if any, etc. complete all as per manufacturers Technical Data and as directed at site to achieve 150micron Dry film thickness (50 Micron Primer coat and 100micron finishing Coat). (Contractor has to provide Elcometer sampling sheets etc. at his cost for testing film thickness)

Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 of MoRT&H specifications for road and bridge works (4th Revision) and as directed by the Engineer-in-Charge. For Grading-I material

Providing and fixing powder coating aluminium (Minimum thickness of powder coating 50 micron) work for doors, windows, ventilators and partitions with extruded built up standard tubular sections / Z Sections and other sections of approved make confirming to IS:733 and IS: 1285 fixed with rawl plugs and screws or with fixing clips or with expansion hold fasteners including necessary filling up of gaps at junctions, at top, bottom and sides with required PVC / neoprene felt etc. Aluminium sections shall be smooth, rust free, straight, mitered and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / paneling, C.P brass / stainless screws all complete as per architectural drawings and directions of Engineer-in-charge including providing and fixing hinges / pivots and making provision for fixing of fittings wherever required (fittings, Glazing and paneling shall be paid for separately) NOTE : 1) The rates for aluminium is inclusive of all fasteners required for fabrication and fixing in the walls. 2) All joints shall be of mitered Joints. 3) A long M.S rod threaded at both ends to be provided in all aluminium door shutters in Top & bottom Horizontal members internally connecting Vertical members and fixed with M.S washers & nuts. 4) Only Aluminium members alone shall be measured and paid for.

Providing and fixing glazing with 5mm thick clear Float glass pane in aluminium doors, window, ventilator shutters and partitions etc with Neoprene gasket including cost of neoprene gasket complete as per the drawings and directions of the Engineer-in-Charge.

Providing and constructing at all floors and lifts 115mm thick brick work in cement mortar 1:4 using well burnt bricks including scaffolding, curing, racking out the joint on both faces etc. complete as per specification and as directed by the Engineer-in-Charge. For basement and Ground Floor

Dismantling Plain Cement concrete by manually / by mechanical means at all levels, carefully without damaging adjacent structures including disposal of debris with 50m lead, labour, tools required etc. complete in all respects as per specifications and directed by the Engineer-in-charge.

Dismantling of RCC works at all levels by manually / by mechanical means, including Cutting and stacking of steel reinforcement bars and disposal of unserviceable materials within 50m lead as per specifications and directed by the Engineer-in-charge.

Dismantling brick work in cement mortar at all levels by manually / by mechanical means, carefully without damaging adjacent structures including stacking of serviceable materials and disposal of unserviceable materials within 50m lead all as per specifications and directed by the Engineer-in-charge.

Cutting of road consisting of asphaltic concrete road surface including WBM Soling, making WBM and soling to original condition after work completed with retrieved materials including supply of extra quantities of materials i.e. aggregate, moorum, screening, red bajri not exceeding 15% of the original materials along with new materials and disposing all unwanted materials to place specified with lead up to 50m complete all as per specification and as directed by the Engineer-in-Charge.

Cutting and Felling all types of trees including cutting of trunks, branches and removing the roots and stacking of serviceable wood materials at places specified with a lead of 200m, disposal of unserviceable materials including filling the pits and depressions with excavated earth complete for trees of girth mentioned below complete all as directed by the Engineer-in-Charge. Girth beyond 30cm, up to and including 60cm, measured at 0.5m above ground level

Conveying the surplus excavated earth & debris, boulders and spoil by mechanical means and depositing at places inside DAE installation identified as Dumping yard as per requirement with a lead specified below including loading, unloading, breaking clods, leveling all complete as per specification and as directed by the Engineer-in-Charge. Note: 1) The rates in respect of this Item are applicable for the NET Quantities arrived at after making deductions for voids @ 20% in respect of soil and @ 50% in respect of Rock from the corresponding Stack / Truck measurements. 2) The earth shall be dumped well inside the Dumping yard and not over approach pathway road. Lead charges for lead Exceeding 3 kilometer but not exceeding 4 kilometer

Green cutting of concrete surfaces at construction joints of horizontal surfaces over raft layers or other locations at all levels and elevations using high jet water pumps of water pressure of 1 to 2 kg/cm2 with air compressor capacity to maintain air pressure of 4 to 6 kg/cm2 and chemical admixture of Sika - Rugasol -2 Liquid (K) solvent free Polyhydroxy compound or approved equivalent, labour, tools, material, scaffoldings etc. all complete as per specifications and as directed by the Engineer-In-Charge.

Providing and fixing PVC rain water down take pipes conforming to IS:13592 Type A and PVC SWR Fittings & specials confirming to IS:14735, ‘Finolex’ or other approved equivalent make of pipes, fittings & specials including jointing with seal ring / with PVC solvent adhesive including fixing in walls/columns using clamps, anchor fasteners, bolts and teakwood packing pieces, joint testing etc complete all as per drawings, specifications and as directed by the Engineer-in-Charge. PVC SWR Rain water pipe 110mm outer dia

Providing and Placing in position Serrated with central bulb 225mm wide PVC water stops conforming to IS:12200 of Deep-Jyoti or equivalent for construction/ expansion joints between two RCC members and fixed to the reinforcement with binding wire before pouring concrete etc. complete. Note: Water Hold up test has to be conducted for water tank as directed by EIC.

Supplying and fixing in position of heavy quality Cast Iron manhole frame and cover, steps etc of specified weight for the inspection chamber, valve chamber etc. all as per specifications and as directed by the Engineer-in-Charge.

Providing plastering in cement mortar 1:4, 15mm thick at all elevations with 2% of water proofing compound or as per manufacturers specification, ‘Impermo’ or approved equivalent make including hacking of concrete surfaces with pointed tool, scaffolding, finishing, curing, all as per specifications.

Providing and fixing Heavy Quality 'C' Class G.I pipe sleeves 100mm n/b, 450mm long, with Puddle Flange of 200x200mm, 6mm thick for rain water down takes (of 110mm dia) to be embedded in RCC slabs/ RCC roof Gutters to connect Rain water pipes by welding or with screwed sockets all as per the drawings and as directed by the Engineer-in-Charge. These sleeves to be fabricated and embedded at the time of concreting in true vertical.

Providing, Laying, jointing, fixing and testing for 50mm n/b G.I. diameter of Exposed on wall plumping lines Heavy quality (C-Class) Galvanized Iron pipes of TATA or approved equivalent make and ISI marked fittings like, tees, elbows, bends, unions, nipples, reducers etc. as required for the work, including testing the pipes and fittings for 10.00 Kg / Sq.cm hydraulic pressure with a minimum period of two hours duration with clean water, including cutting , threading, jointing with hemp yarn, white lead, jointing Teflon tape, fixing in walls / trenches using clamps etc. including 2 coats of Synthetic enamel paint over a coat of primer, complete all as per specifications and drawings, all as directed at site. Pipes with exclusive use of ISI marked of approved make C-Class pipes.

Providing and fixing the 50mm nominal bore of 'LEADER' make gun metal full way gate valves female ends screwed bonnet integral seat non raising spindle class I, ISI marked to IS:778 tested to 20 kg/sqcm hydraulic pressure etc., complete all as per specification and as directed by the Engineer-in-Charge.

Providing and applying of 3 mm thick self levelling epoxy flooring system with pigment colour as directed by the Engineer-In-Charge after the surface preparation complete as per specification and as directed by the Engineer-In-Charge.

DAMU CONSTRUCTIONS (BID ID -3245279)