Airports Authority Of India Tender

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

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level. a) 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level : a)1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

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

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

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

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level: a) 1:1.5:3 (1 cement :1.5 coarse sand (zone-III): 3 grade stone aggregate 20mm nominal size

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in a) Cement mortar 1:4 (1 cement : 4 coarse sand)

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 gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Dismantling of flexible pavement (bituminous courses) by mechanical means and disposal of dismantled material up to a lead of 1 kiloMtrs, as per direction of Engineer-in-charge

Preparation and consolidation of sub grade with power road roller of 8 to12 tonne capacity after excavating earth to an average of 22.5 cm. depth,dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth lead upto 50 Mtrss.

Providing and laying Non Pressure NP-4 class (Heavy duty) R.C.C. pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete 1)450 mm dia RCC pipes.

Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:3:6 (1 Cement : 3 coarse sand (zone-III): 6 graded stone aggregate 40 mm nominal size)

Providing, laying, spreading and compacting graded stone aggregate(size range 53 mm to 0.075 mm ) to wet mix macadam (WMM)specification including premixing the material with water at OMC inmechanical mix plant, carriage of mixed material by tipper to site,for all leads & lifts, laying in uniform layers with mechanical paverfinisher in sub- base / base course on well prepared surface andcompacting with vibratory roller of 8 to 10 tonne capacity to achievethe desired density, complete as per specifications and directions of Engineer-in-Charge

Construction of dry lean cement concrete (DRLC) sub base over a prepared sub-grade with coarse and fine aggregate conforming to IS:383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per specifications, cement content not to be less than 150 Kg/cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, for all leads &lifts, laid with a mechanical paver, compacting with 8-10 tonne vibratory roller, finishing and curing etc. complete as per direction of Engineer In-Charge.

Painting road surface marking with adequate nos of coats to give uniform finish with ready mixed road marking paint conforming to IS : 164, on bituminous surface in white/yellow shade, including cleaning the surface of all dirt, scales, oil, grease and foreign material etc. complete.New work (Two or more coats)

Construction of granular sub-base by supplying/providing close graded Material comprising of River Shingles mixed with 40 mm size crushed aggregate in thr ratio 65: 35, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge. With material conforming to Grade-III (size range 26.5 mm to 0.075 mm ) having CBR Value-20.

Providing and laying Pavement Quality Concrete (PQC) produced in a batching and mixing plant having a Characteristic flexural strength i.e. flexural strength of 4.1 MPa al 28 days using Ordinary Portland cement of 43/53 grade or Portland Pozzolana Cement or Portland Slag cement conforming as per relevant IS codes, to be mixed at site, with 0.5% Super plasticizer by mass of cementitious material, fine aggregate, graded stone aggregates of 40 mm nominal size in appropriate proportion as per specification and job mix formula, laid in panels as per drawings/design as approved by the Engineer In-Charge using Slip Form Paver or Fixed form paver including anti friction layer, joint filler board, making necessary provision for expansion, dummy and construction joint including filling with Polysulphide sealant of approved make, curing and making profile, complete as per direction of Engineer-in-Charge and specifications. The item for execution shall include all operations making pavement for intended use but not limited to following: i. Polyethylene sheet (White in color) of thickness 400 micron conforming to 15: 2508 with 6mm thick fine sand layer. ii. Providing and laying in position for expansion joint, 25mm thick pre-cut Synthetic joint filler board of approved make conforming to IS:1838(part 3)-2011, 45 mm from top (to be removed at the time of filling of Polysulphide sealant). iii. Mechanically cutting dummy joints 3mm wide x 1/3rd thickness of slab which is subsequently widened to 10mm for the top 25mm depth and construction joints. 10mm wide x 25mm deep as per specification. iv. Providing and laying in position Polysulphide sealant of approved make conforming to BS-5212-1990 or 15: 11433 1995 in expansion/ construction / dummy joints including rounding off edges, applying 2 coats of approved primer compatible with the brand of Polysulphide and preparing the surface and applying masking tape along the edge of joint to prevent accidental spillage of sealant on top surface and to give neat finish to the sealant and removing the masking tape after application of sealant etc. as per the details below: a) Expansion Joints of size 25 mm wide and 10 mm deep over 30mm dia expanded closed-cell Polyethylene foam back-up/backer rod of minimum density 22 kg/Cum, as per manufacturer's specifications and sketch at Appendix-'A'. b) Construction Joints of size 10 mm wide and 10 mm deep over 12mm dia expanded closed-cell Polyethylene foam back-up/backer rod of minimum density 22 Kg/Cum, as per manufacturer's specifications and sketch at Appendix 'A'. c) Dummy Joints of size 10 mm wide and 10 mm deep over 12 mm dia expanded closed-cell Polyethylene foam back-up/backer rod of minimum density 22 Kg/Cum, as per manufacturer's specifications and sketch at Appendix-'A'. v. Making profile as per DGCA CAR, panel drawing showing dummy, construction, expansion joints location.

Supply of cast iron isolating Transformer housing box, water tight round type, metal container of outside size 330 mm dia, height 450 mm made of 10 mm thick cast iron moulding all round, except the top surface, which is 15 mm thick as per technical specification, cast iron moulding suitable to receive a light fitting base plate on the top and underground housing associated with transformer, power cable and having one/two nos holes as per site requirement on the periphery centre, centre 75 mm above bottom surface suitable to receive 50 mm dia GI/DWC/ HDPE as required. The box should have two SS earh bolts of M10x40 mm tapped inside near the hole (4" away from hole centre) and having drain hole at the bottom suitably tapped to receive 15mm dia GI pipe and having clear opening of 220 mm at the top surface and 06 Nos. M10 tapped hole having centre to centre distance of 260mm alongwith bolts, complete as required.

Supply of LED type taxiway/turning pad edge light elevated MIRL fittings of suitable wattage with driver, complete with lens suport mechanism, prefocus holder, lens clamping mechanism, central column assembly, breakable coupling , gasket, two pin secondry leads, base plate with 6 nos. M‐10 stainless steel bolts, spring washers and other accessories with Omni directional Blue lens, 6.6 Amps etc. and confirming to ICAO requirements and as per the enclosed specification.

Supply and Laying of 50 mm 'B' class GI Pipe including excavation of hard / soft soil complete with threading and alignment of pipe with transformer housing box providing checknuts as required.

Providing and laying earth connection from earth electrode with 6 SWG dia G.I. Wire in pipe from earth electrode including connection with G.I. thimble excavation and re-filling as required.

Providing and Laying of 15 mm 'B' class GI Pipe including excavation of hard / soft soil complete with threading and alignment of pipe with Transformer Housing Box providing checknuts as required.

ITC of CI transformer housing boxes with a base concrete of 1:3:6 of size 630 x630 x100 mm thick, and as per technical specification, all round concrete of 1:2:4 cement concrete 150 mm thick, top surface slopped to match transformer housing box/coller box top, including providing and fixing 300mm long 15mm dia. "B" class GI pipe for drainage of water, checknuts whereever required including excavation of side shoulder and refilling, terminating G.I wire etc. complete as required.

ITC of inset type Runway / Taxiway light fixtures after making suitable size of hole with help of core cutting machine in the bituminous / pavement area of Runway/ RESA and providing & fixing shallow base with dobefil and hardner inclusive of connection with secondary cable, transformer, by providing necessary connectors, moulding for incoming & outging connection including maintaining all the runway edge lights in straight line with suitable method of installation etc. as required.

Laying of one number pvc insulated and pvc sheathed / XLPE airfield lighting power cable of 5/1.1KV grade of following size in the existing RCC/ HUME/ STONEWARE/ METAL/DWC pipe as required. (Note : Cable shall be supplied by AAI) -Upto 35 Sq. mm

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. (with charcoal/ coke and salt ) as required.