Gradation to the basic strip of Newly Constructed Apron, Taxiway Delta and its surroundings of Vijayawada Airport, Vijayawada.

Amount

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) : 8 graded stone aggregate 40 mm nominal size)

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

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-I (size range 75 mm to 0.075 mm) having CBR Value-30

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.

Excavation for earthwork in all kinds of soils, with hydraulic excavator and other suitable machinery of required capacity including transporting of material, loading and unloading with all lifts and leads with in airport plot area which includes existing operational area, trimming bottom and side slopes in accordance with requirement of lines, grades and cross section and construction of embankment to the required alignments grades and cross sections, in layers not exceeding 20cm in depth, breaking clods, watering , rolling each layer with power roller of 8-10 ton capacity, compacted to meet the requirement as per technical specifications and drawings complete as per the direction of Engineer- incharge

Providing and laying design mix cement concrete of M-30 grade, in roads/taxitracks /runways, using cement content as per design mix, using coarse sand and graded stone aggregate of 40 mm nominal size in appropriate proportions as per approved & specified design criteria, laying at site, spreading and compacting mechanically by using needle and surface vibrators, levelling to required slope/ camber, finishing with required texture, including steel form work with sturdy M.S. channel sections, curing, making provision for contraction/ expansion, construction & longitudinal joints (10 mm wide x 50 mm deep) by groove cutting machine, providing and filling joints with approved joint filler and sealants, complete all as per direction of Engineer-in-charge (Item of joint fillers, sealants to be paid separately). Note:- Cement content considered in M-30 is @ 340 kg/cum. Excess/ less cement used as per design mix is payable/ recoverable separately. A)Cement concrete manufactured in automatic batching plant (RMC plant) i/c transportation to site in transit mixer

Demolishing brick work manually/ by mechanical means including stacking and disposal of unserviceable material within airport premises lead including taking away the dismantled brick work within airport premises. The rate inclusive of dismantling, segregation of bricks and brick credit and dumping the unserviceable material in low lying area within airport premises as per direction of Engineer-in-charge. a) In cement mortar

Dismantling and taking away of Existing barbed wire fencing/concertina coil fencing on Boundary wall as directed by Engineer in charge including disposal of rubbish beyond AAI premises. Note: Agency has to quote the rate in negative if the takaway material cost is morethan dismatling cost.

Dismantling and taking away of MS angles over Boundary wall/dismantled TMT bars as directed by Engineer in charge including disposal of rubbish beyond AAI premises. Note : Agency has to quote the rate in negative if the takaway material cost is morethan dismatling cost.

Ruchira Associates