Construction of RCC Storm Water Drain in Operational area parallel to Runway at JPNI Airport, Patna

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 richer mix (i/c equivalent design mix)

Demolishing brick work manually/ by mechanical means and disposal of unserviceable material within 50 m lead as per direction of Engineer-in-charge. In cement mortar

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge. All kinds of soil

Disposal of unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground for lead upto 10 km for all lifts, complete as per directions of Engineer-in-charge.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on new work

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) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana /Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate /retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately.In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level Concrete of M35 grade with minimum cement content of 370 kg /cum

Add for using extra cement in the items of design mix over and above the specified cement content therein.

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete..“(Note :- Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement.). All works upto plinth level.Concrete of M25 grade with minimum cement content of 330 kg /cum

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 and for all lift

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

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

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

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.

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

Providing and laying in position for expansion joint, 25mm thick pre cut Synthetic joint filler board of approved make (HD 100) conforming to IS:1838 (part 3)-2011 having density 95kg/Cum.

Design of Box culvert for drainage outside the basic strip area of JPNI Airport including the vetting from IIT/NIT or other Govt. engineering college.

Providing and fixing 50mm dia PVC pipe in RCC slab including cutting, fixing in position etc complete as per direction and satisfaction of Engineer-In-charge.

Credit on account for taking away of serviceable brick from dismantled Brick Wall . The material so received shall be the property of contractor after dismantling, duly weighed/measured before removing from the site as per the satisfaction of Engineer-in-charge

Credit on account for taking away of dismantle Mild Steel items/Fittings i.e.M.S. Pipes, Angle,Channel ,Tubular Pipe,Wire Mesh ,Fittings etc scrapped. The material so received shall be the property of contractor after dismantling, duly weighed/measured before removing from the site as per the satisfaction of Engineer-in-charge

Credit on account of taking away Precast Slab. The material so received shall be the property of contractor after dismantling, duly weighed/measured before removing from the site as per the direction of Engineer-in-charge.