Construction of RCC internal storm water drain (Phase-I) at INRPC Tarapur

Earth work excavation by mechanical means (Hydraulic excavator) /manual means in all types of soil other than soft and hard rock, dressing the sides of foundation, ramming of bottom etc. and refilling with selected excavated earth in layers of not more than 500 mm thick, each layer well rammed and consolidated including shoring and dewatering (if necessary) and disposing the surplus earth within a distance of 200 m all as per specifications including clearing Jungle, uprooting of vegetation, grass ,etc. complete upto required depth and as directed by the Engineer-in-charge. From 0.00 to 1.50 m depth from average ground level

Extra Over above Item 1 initial depth for every additional depth of 1.5m or part thereof

Lead charges for Soil excavation for lead excceding 3 KM but not exceeding 4 KM by mechanical transport including loading unloading, stacking / levelling etc. as per the specifications and as directed by the Engineer-in-charge

Murum filling under floors of specified thick in layers of not exceeding 150 mm thickness including consolidation etc. complete using murrum available at site as per the specifications and as directed by the Engineer-in-charge. Note: a) Only compacted volume will be measured and paid, b) Selected / approved excavated stuff stored within the DAE premises shall be issued free of cost to the contractor for filling purposes with a lead of upto 3 kms.

Supplying, Stacking and Laying of 230 mm Thick rubble soling stones (with outside material) as under Floor base including packing with smaller stone and compacting, ramming including spreading and consolidation of blinding material, moorum etc. complete all as per specifications and as directed by the Engineer-in-charge. Note: The contractor’s quoted rate for approved rubble brought from outside shall include the royalty as per the prevailing Government rates. Any increase in prevailing rate of Royalty shall be borne by the Contractor at no extra cost to the Owner.”

Providing, centering, shuttering Form work using steel plates, planks for all types of structures including necessary strutting, proping, staging, supports etc and deshuttering the same after the specified time at all levels, all as per specifications and as directed by the Engineer-in-charge For Sub Structure

Providing Reinforcement for reinforced cement concrete at all levels including supplying, preparation of bar bending schedules,cutting, bending, transporting, fixing, tieing in position with 1.6 mm dia soft drawn annealed binding wire all labour charges, cost of cover blocks in specified grade of concrete, required tests etc. complete including cost of binding wire as per specifications and drawings and as directed by the Engineer-in-charge. Steel Supplied by the Contractor. Using TMT Bars of Specified Grades Upto and including 32mm dia reinforcement conforming to IS 1786 as per tchnical specification using virgin materials.

Providing and laying in position cement concrete of 1:2:4 (1 cement, 2 crushed sand, 4 graded stone aggregate of nominal size 20 mm) including consolidation, finishing, curing etc. complete as per specification and drawings but excluding the cost of Formwork shuttering, centering and steel reinforcement at all Levels

Providing and laying in position Reinforced Cement Concrete (RCC) of grade M-30 using 20mm maximum size aggregates and crushed sand of approved quality including admixtures of approved brand and quality (plasticiser or super plasticiser) if required, including weigh batching, mechanical mixing, transporting, placing, vibrating, consolidation, finishing, curing, required tests etc. complete but excluding the cost of centering, shuttering and reinforcement complete as per specifications and as directed by Engineer-in-charge.