Development of Deoghar Airport

Amount

Banking excavated earth/ordinary rock in layers not exceeding 20cm in depth, breaking clods, watering, rolling each layer with earth compactor/vibratory roller of minimum 8-12 tonne capacity including levelling to the required grade and camber, dressing etc. in embankments to achieve desired density as per the direction of Engineer-in-charge. a. All kinds of soil including ordinary rock.

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 : 8 graded stone aggregate 40 mm nominal size).

Reinforced cement concrete work in walls (any thickness), including attached pillasters, butteress, plinth and string courses, fillets, columns, pillars, piers, abutments,post and struts etc.above plinth level upto floor five level, excluding cost of centering, shuttering, finishing and reinforcement. (a) 1:1.5:3(1 cement : 1.5 coarse sand: 3 graded stone aggregate 20mm nominal size)

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

Centering and shuttering including strutting, proping etc and removal of form for a. Foundation, footings, bases of columns etc. for mass concrete.

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

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 50m and lift up to 1.5m.

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

Carrying out California Bearing ratio test at subgrade/subbase/ base layer or at locations decided by the Engineer-in -charge as per IS code 9214-1979 and submission of test results as per direction of Engineer-in-charge.The tests should be carried out by the specialized agency/firm as approved by the Engineer-in-charge.

Dry stone pitching with available stones and preparing surface etc. complete as per direction and satisfaction of Engineer-in-Charge. (The rate is inclusive of lead of stone upto 1.00KM and all lifts.)

Dry stone pitching with available stones and preparing surface etc. complete as per direction and satisfaction of Engineer-in-Charge. (The rate is inclusive of lead of stone upto 2.00KM and all lifts.)

Construction of embankment with moorum obtained from approved querry with all lifts and lead, transporting to site, unloading, spreading, grading to required slope and compacting under optimum moisture conditions to give at least 98% of the maximum dry density (Modified proctor density) as per IS Code 2720 (Part VIII).

Planting of commonly available Durva grass (Doob grass) including ploughing of earth upto 60mm depth, making proper level and ramming with wooden tools & rolling the surface with light roller, watering. The roots shall be planted into the holes of 20mm diameter and 50mm depth in a grid of 15cm both ways and maintaining the area for 30 days or more till the grass establishes properly etc. including removal of all other grass and vegetation etc. complete as per direction and satisfaction of Engineer-in- charge

Maintenance of the Durva grass (Doob grass) grown up area including watering, removal of other weeds or grass etc. as per direction and satisfaction of Engineer-in-charge.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stablity for hot & cool water supply including all CPVC plain & brass threaded fittings This includes joining of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Enginner in Charge. External work (a) 50mm nominal outer dia pipes.

Painting runway/taxi track/apron marking with adequate nos of coats to give uniform finish with road marking paint of superior make as approved by the Engineer in charge, i/c cleaning the surface of all dirt, scales, oil, grease and other foreign material etc. and lining out complete.(a) New work (Two or more coats)