Construction of RCC Retaining wall along balancing reservoir for providing access for cleaning and desilting at Sonia Vihar Pump House for the year 2025-26.

Construction, maintenance and subsequent removal of earthen bundies including cost of excavation earth filling of E.C. bags with earth, stitching and placing in position for care and diversion of all kinds of water entering or flowing in the drain and pumping out surface as well as under ground seepage water to keep the construction area completely dry during execution of entire work including its execution of work in or under water and or liquid mud wherever required complete.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Excavation by mechanical/manual means over areas exceeding 30 cm in depth, including dressing, lifting, and disposal of excavated soil up to 50 m lead and 1.5 m lift. All kinds of soil

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

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc

Providing and laying in position machine batched and machine mixed design mix M-30 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 @ 400 kg/cum.“Excess/ less cement used as per design mix is payable/recoverable separately).All works upto plinth level

Providing and laying RMC of M-30 grade By using minimum 400kg of cement(43 grade, OPC) per cum of concrete in reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement manufactured in automatic RMC plant using coarse sand and graded stone aggregate of 20mm nominal size in appropriate proportion as per approved design criteria including transportation to site in transit mixer, including cost of admixture in recommended proportion as per IS9103 to accelerate/ retard setting of concrete to improve workability with out impairing strength and durability as per specification including spreading and compacting mechanically by using needle vibrators etc. complete as per direction of Engineer in-charge. Note:- Cement content considered in M-30 is @ 400 kg/cum. Excess/less cement used as per design mix is payable/ recoverable separately M-30 RMC by using minimum cement @400 kg/cum. Cement concrete manufactured in automatic batching plant (RMC plant) including transportation to site in transit mixer.

Boring, providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-25 of specified diameter and length below the pile cap, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. by percussion drilling using Direct mud circulation (DMC) or Bailer and chisel technique by tripod and mechanical Winch Machine all complete, including removal of excavated earth with all its lifts and leads (length of pile for payment shall be measured up to bottom of pile cap).Note: Truck Mounted rotary/TMR/Tubewell boring machine shall not be used.600 mm dia piles

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level.Thermo-Mechanically Treated bars of grade Fe-500 D 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 50 m and lift upto 1.5 m.