Airports Authority Of India Tender

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

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.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 5 in foundation and plinth in:Cement mortar 1:6 (1 cement : 6 coarse sand)

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge a) In cement mortar

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m

Compacting original ground supporting sub-grade Loosening, leveling and Compacting original ground supporting embankment to facilitate placement of first layer of embankment, scarified to a depth of 150 mm, mixed with water at OMC and then compacted by rolling so as to achieve minimum dry density as given in Table 300-2 for embankment construction.

Construction of embankment with approved materials obtained from external borrow pits to be arranged by Contractor with all lifts and lead upto 10 Km, transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 300-2. (MORTH), including paying of royalty and obtaining necessary clearance from concerned authorities etc., complete as per direction of Engineer-in- charge.

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 in for all leads & lifts, laying in uniform layers with mechanical paverfinisher in sub- base / base course on well prepared surface and compacting 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 embankment with approved available excavated earth with all lifts and lead upto 1 Km, transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 300-2(MORTH)

Providing and applying tack coat using bitumen emulsion conforming to IS: 8887, using emulsion pressure distributer including preparing the surface & cleaning with mechanical broom With rapid setting bitumen emulsion a.) On W.B.M / W.M.M. @ 0.4kg/sqm

Providing and laying of Hot Mix Dense Bituminous Macadam (DBM) using crushed stone aggregate of quality, size and grading as specified and stone dust filler as specified and Viscosity Grade Bitumen in proportions as per job mix formula (Incase AAI is having a approved job mix formula and the same is used for execution, necessary recovery towards cost of obtaining Jobmix formula will be recovered from contractor) and laid to specified levels, grade and camber as per specification, drawings and as directed by the Engineer-in- Charge including compacting with 8-10 tonne, preferably vibratory road roller of adequate capacity to achieve the specified values of compaction, strength, surface accuracy complete [for tendering purpose VG bitumen of grade VG-30 shall be taken as 110 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2%stone dust by weight of aggregates as filler material.

Providing and applying tack coat using bitumen emulsion conforming to IS: 8887, using emulsion pressure distributer including preparing the surface & cleaning with mechanical broom With rapid setting bitumen emulsion a.) On bituminous surface @ 0.25kg/sqm

Providing and laying of Hot Mix Semi Dense Asphaltic Concrete (SDAC) using crushed stone aggregate of quality, size and grading as specified and stone dust filler as specified and Viscosity Grade Bitumen (supplied in bulk) in proportions as per job mix formula (Incase AAI is having a approved job mix formula and the same is used for execution, necessary recovery towards cost of obtaining Jobmix formula will be recovered from contractor) and laid to specified levels, grade and camber as per specification, drawings and as directed by the Engineer-in- Charge including compacting with 8-10 tonne, preferably vibratory road roller of adequate capacity to achieve the specified values of compaction, strength, surface accuracy complete [for tendering purpose VG bitumen of grade VG-30 content shall be taken as 120 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% stone dust by weight of aggregates as filler material.

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 a.)New work (Two or more coats)

Construction of granular sub-base by providing close graded Material conforming to specifications, 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. a.)With material conforming to Grade-III (size range 26.5 mm to 0.075 mm ) having CBR Value-20