Modernisation of Chennai Airport, Phase II SH- Balance Civil works for Construction of STP - 1 - 2.25 MLD and STP - 2 - 1.2 MLD at Chennai Airport, Chennai

Amount

SUB HEAD - I - Earth Work

Earth work in excavation 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, as directed by Engineer-in-charge a) All Kinds of soil

Earth work in excavation 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, as directed by Engineer-in-charge b) Hard rock (blasting prohibited)

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Disposal of excavation material / 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.

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials for ordinary or hard rock. (a) 1.5 m to 3 m lift

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials for ordinary or hard rock. (b) 3 m to 4.5 m lift

Carriage of materials by Mechanical Transport including loading, unloading and stacking. a) Earth lead 2 KM

SUB HEAD:2 CONCRETE WORK

Providing and laying in position ready mixed plain cement concrete, with cement content as per approved design mix and manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for plain cement concrete work, including pumping of R.M.C. from transit mixer to site of laying and curing, excluding the cost of centering, shuttering and finishing, including cost of curing, admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer-in-charge a) M-10 grade plain cement concrete (cement content considered @220Kg/m

SUB HEAD: 3 - REINFORCED CEMENT CONCRETE

Providing and laying in position ready mixed M-25 grade concrete for reinforced cement concrete work, using cement content as per approved design mix, manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work, including pumping of R.M.C. from transit mixer to site of laying, excluding the cost of centering, shuttering finishing and reinforcement, including cost of admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer - in - charge. (Note :- Cement content considered in this Item is @ 330 kg/cum. Excess/less cement used as per design mix is payable/ recoverable separately). (a) All works upto plinth level

Providing and laying in position ready mixed M-25 grade concrete for reinforced cement concrete work, using cement content as per approved design mix, manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work, including pumping of R.M.C. from transit mixer to site of laying, excluding the cost of centering, shuttering finishing and reinforcement, including cost of admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer - in - charge. (Note :- Cement content considered in this Item is @ 330 kg/cum. Excess/less cement used as per design mix is payable/ recoverable separately). (b) All works above plinth level upto floor V level

Extra for providing richer mixes at all floor levels.Note:- Excess/less cement over the specified cement content used is payable /recoverable separately. a) Providing M-30 grade concrete instead of M-25 grade BMC/ RMC. (Note:- Cement content considered in M-30 is @ 340 kg/ cum.

Centering and shuttering including strutting, propping, etc. and removal of form for (a) Foundations, footings, bases of columns, etc. for mass concrete

Centering and shuttering including strutting, propping, etc. and removal of form for (b) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc

Centering and shuttering including strutting, propping, etc. and removal of form for (c) Suspended floors, roofs, landings, balconies and access platform

Centering and shuttering including strutting, propping, etc. and removal of form for (d) Lintels, beams, plinth beams, girders, bressumers and cantilevers

Centering and shuttering including strutting, propping, etc. and removal of form for (e) Stairs, (excluding landings) except spiral-staircases

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. (a) Thermo-Mechanically Treated bars of grade Fe-500 D or more.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. (a) Thermo-Mechanically Treated bars

SUB HEAD 4 : MASONRY WORKS

Providing and fixing up to floor five level precast cement concrete solid block,including hoisting and setting in position with cement mortar 1:3 (1 cement :3 coarse sand), cost of required centering, shuttering complete :1:1½:3 (1 Cement: 1½ coarse sand(zone-III) : 3 graded stone aggregate 20mm nominal size)

SUB HEAD: 5 STEEL WORKS

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position all complete.

Providing & fixing glass panes with putty and glazing clips in steel doors, windows,clerestory windows, all complete with : a) 4.0 mm thick glass panes

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

Supplying and fixing rolling shutters of approved make, made of required size M.S. laths, interlocked together through their entire length and jointed together at the end by end locks, mounted on specially designed pipe shaft with brackets, side guides and arrangements for inside and outside locking with push and pull operation complete, including the cost of providing and fixing necessary 27.5 cm long wire springs manufactured from high tensile steel wire of adequate strength conforming to IS: 4454 - part 1 and M.S. top cover of required thickness for rolling shutters.a) 80x1.25 mm M.S. laths with 1.25 mm thick top cover

Extra for providing mechanical device chain and crank operation for operating rolling shutters a) Extra for providing mechanical device chain and crank operation for operating rolling shutters

Providing and fixing factory made ISI marked steel glazed doors, windows and ventilators, side /top /centre hung, with beading and all members such as F7D,F4B, K11 B and K12 B etc. complete of standard rolled steel sections, joints mitred and flash butt welded and sash bars tenoned and riveted, including providing and fixing of hinges, pivots, including priming coat of approved steel primer, but excluding the cost of other fittings, complete all as per approved design, (sectional weight of only steel members shall be measured for payment). (a) Fixing with 15x3 mm lugs 10 cm long embedded in cement concrete block15x10x10 cm of C.C. 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate20 mm nominal size)

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. (a) In stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required, all complete

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. (b) In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

SUB HEAD: 6- FLOORING

62 mm thick cement concrete flooring with concrete hardener topping, under layer 50 mm thick cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) and top layer 12mm thick cement hardener consisting of mix 1:2 (1 cement hardener mix : 2 graded stone aggregate, 6mm nominal size) by volume, hardening compound mixed @ 2 litre per 50 kg of cement or as per manufacture’s specifications. This includes cost of cement slurry, but excluding the cost of nosing of steps etc. complete.

Providing and fixing 1st quality ceramic glazed floor tiles conforming to IS :15622 (thickness to be specified by the manufacturer ) of approved make in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge in skirting, risers of steps and dados over 12 mm thickbed of cement Mortar 1:3 (1 cement: 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm including pointing in white cement mixed with pigment of matching shade complete.

Providing and fixing Ist quality ceramic glazed wall tiles conforming to IS: 15622(thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete.

SUB HEAD : 7 FINISHING WORKS

12 mm cement plaster of mix: 1:6 (1 cement : 6 fine sand).

6 mm cement plaster of mix : 1:3 (1 cement : 3 fine sand)

Finishing walls with textured exterior paint of required shade : New work (Two or more coats applied @ 3.28 ltr/10 sqm) over and including priming coat of exterior primer applied @ 2.20kg/10 sqm

Finishing with Epoxy paint ( two or more coats ) at all locations prepared and applied as per manufacture's specifications including appropriate priming coat,preparation of surface ,etc complete (Steel paint)

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate primingcoat, preparation of surface, etc. complete (Concrete inside tank)

SUB HEAD: 8 - ROAD WORK

Providing and laying factory made chamfered edge Cement Concretepaver blocks In foot path, park & lawns driveway or light & trafficparking etc. of required strength, thickness & size/ shape, made byvibratory method using PU mould, laid in required colour & over 50mm thick compacted bed of course sand, compacting proper embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using platevibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand, all complete as per manufacturer's specifications & direction of Engineerin-Charge. (a) 60mm thick cement concrete paver block of M-35 grade with approved colou, design & pattern

SUB HEAD : 9 SANITARY INSTALLATIONS

Providing and fixing white vitreous china pedestal type water closet (European type) with seat and lid, 10 litre low level white vitreous china flushing cistern & C.P. flush bend with fittings & C.I. brackets,40 mm flush bend, overflow arrangement with specials of standard make and mosquito proof coupling of approved municipal design complete, including painting of fittings and brackets, cutting and making good the walls and floors wherever required : a)W.C. pan with ISI marked white solid plastic seat and lid

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brasspillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require: a)White Vitreous China Wash basin size 630x450 mm with a pair of 15 mm C.P. brass pillar taps

Providing and fixing CP Brass 32mm size Bottle Trap of approved quality & make and as per the direction of Engineerin- charge.

Providing and fixing mirror of superior glass (of approved quality) and ofrequired shape and size with plastic moulded frame of approved make and shade with 6 mm thick hard board backing : a) Rectangular shape 453x357 mm

SUB HEAD:11 WATER-SUPPLY

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, havingthermal stability for hot & cold water supply, including all CPVC plain & brassthreaded fittings, i/c fixing the pipe with clamps at 1.00 m spacing. This includesjointing of pipes & fittings with one step CPVC solvent cement and the cost ofcutting chases and making good the same including testing of joints completeas per direction of Engineer in Charge.Concealed work, including cutting chases and making good the walls etc (a) 15 mm nominal outer dia Pipes

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, havingthermal stability for hot & cold water supply, including all CPVC plain & brassthreaded fittings, i/c fixing the pipe with clamps at 1.00 m spacing. This includesjointing of pipes & fittings with one step CPVC solvent cement and the cost ofcutting chases and making good the same including testing of joints completeas per direction of Engineer in Charge.Concealed work, including cutting chases and making good the walls etc (b) 20 mm nominal outer dia Pipes

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, havingthermal stability for hot & cold water supply, including all CPVC plain & brassthreaded fittings, i/c fixing the pipe with clamps at 1.00 m spacing. This includesjointing of pipes & fittings with one step CPVC solvent cement and the cost ofcutting chases and making good the same including testing of joints completeas per direction of Engineer in Charge.Concealed work, including cutting chases and making good the walls etc c) 50 mm nominal inner dia Pipes

Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete : a) 20 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality(screwed end) : a) 50 mm nominal bore

Constructing masonry Chamber 90x90x100 cm inside, in brick work in cementmortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box100 mm top diameter, 160 mm bottom diameter and 180 mm deep (inside) withchained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 gradedstone aggregate 20 mm nominal size ), i/c necessary excavation, foundationconcrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mmnominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3 coarsesand) 12 mm thick, finished with a floating coat of neat cement complete asper standard design : a)With common burnt clay F.P.S.(non modular) bricks of class designation 7.5

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank

Providing and fixing C.P. brass long body bib cock of approved quality conforming to IS standards and weighing not less than 690 gms. 15 mm nominal bore

Providing and fixing C.P. brass stop cock (concealed) of standard design and of approved make conforming to IS:8931.15 mm nominal bore

Providing and fixing C.P. brass angle valve for basin mixer and geyser points of approved quality conforming to IS:8931.15mm nominal bore

Providing and fixing PTMT soap Dish Holder having length of 138mm, breadth102mm, height of 75mm with concealed fitting arrangements, weighing not less than 106 gms.

SUB HEAD: 9 - DRAINAGE WORKS

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS : 10910, on 12 mm dia steel bar conforming to IS: 1786,having minimum cross section as 23 mmx25 mm and over all minimum length263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm asper standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture's permanent identification mark to be visible even after fixing, including fixing in man holes with 30x20x15 cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6graded stone aggregate 20 mm nominal size) complete as per design

Supplying, assembling, lowering and fixing in vertical postion in bore well, unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS:12818, including required hire and labour charge fittings & accessories ect. All completed, for all depths, as per direction of Engineer-in -charge a) 100 mm nominal Size dia

Supplying, assembling, lowering and fixing in vertical postion in bore well, unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS:12818, including required hire and labour charge fittings & accessories ect. All completed, for all depths, as per direction of Engineer-in -charge b) 200 mm Norminal Size dia

SUB HEAD: -12 WATER PROOFING

Providing and mixing integral crystalline admixture for waterproofing treatment to RCC structures like basement raft, retaining walls, reservoir, sewage & water treatment plant, tunnels / subway and bridge deck etc. at the time of transporting of concrete into the drum of the ready-mix truck, using integral crystalline admixture @0.80% (minimum) to the weight of cement content per cubic meter of concrete) or higher as recommended by the manufacturer's specification in reinforced cement concrete at site of work. The materialshall meet the requirements as specified in ACI-212-3R-2010 i.e. by reducing permeability of concrete by more than 90%, compared with control concrete as per DIN 1048 and resistant to 16 bar hydrostatic pressure. The crystalline admixture shall be capable of self-healing of cracks up to a width of 0.50mm. The work shall be carried out all complete as per specification and the direction of the Engineer-in-charge. The product performance shall carry guarantee for 10 years against any leakage.

Supplying and fixing of water stopper of width 225mm & 8mm thickness at construction joints (vertical and horizontal Joints) of retaining wall

K.MURUGESAN

Tirupati Sarjan Limited

G ILANGUMARAN

Naagar Infrastructure Pvt Ltd

CREATORS ENGINEERS AND INTERIORS PVT LTD

SRI RAMANA BUILDING CONSTRUCTIONS PRIVATE LIMITTED

R R THULASI BUILDERS (I) PVT LTD

AYYAPPA INFRA PROJECTS PVT LTD