Construction of Emergency Access road from both ends of Runway to respective crash gates including construction of RCC box culvert at 11 end of Runway at Kadapa Airport.

Amount

Excavation for earth work in soil with hydraulic excavator of 0.9cum bucket capacity including cutting & loading in tippers, trimming bottom and side slopes in accordance with requirement of line, grades and cross section and transporting to the embankment location including disposed earth to be leveled and neatly dressed with all lifts and lead within Airport Premises as directed by Engineer-in-Charge. All kinds of Soil

Rolling with power roller of minimum 8 tonnes for banking excavated earth in layers not exceeding 20 cm in depth.

Construction of Subgrade embankment with Moorum brought out from approved quarry outside the airport premises. The complete operation will include spreading the Moorum with dozer, dressing, leveling, providing camber, grading with motor grader and consolidating with vibratory roller 8-10 tonne capacity including making good the undulation etc. as per technical specifications and drawings complete and directions of Engineer-in-Charge. (Cost includes all leads ,taxes, royalty and operations)

Preparation 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 mechanical transport to work site, for all leads & lifts, spreading in uniform layers of specified thickness with mechanical means including neatly leveling and dressing on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per direction of Engineer-in-Charge.

Providing and laying dry lean cement concrete with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 26.5 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per specification, 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 as per mix design, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing etc complete as per specification and direction of Engineer-in-charge.

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing: 1:2:4 (1 Cement : 2 Coarse Sand (Zone III) : 4 graded stone aggregate 20mm nominal size)

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 300 mm dia RCC pipes.

Providing factory made cement concrete interlocking paver blocks produced through controlled batching plant and block making equipments with strong vibratory compaction and laying the blocks at work site according to required lines, levels including 30 mm thick compacted bed of coarse sand, filling the joints with fine sand, top rolling using power rammer etc. complete as per the direction of Engineer in-charge. a) Heavy duty grey colour Paver block Zig Zag shape 80 mm thick M40 grade

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix)

Demolishing M-25 Design mix 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. All kinds of soil

Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footing bases of columns, etc. For mass concrete

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)

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 of grade Fe-500D or more

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

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

Providing and laying in position machine batched and machine mixed design mix M-35 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including 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 Engineer-in-charge. (Note :- Cement content considered in this item is @ 350 kg/cum. Excess/ less cement used as per design mix is payable/recoverable separately). All works upto plinth level

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 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.