Repair of Access Road to Dam Site from Dharmund

Providing & fixing upto floor five level precast cement concrete solid blocks including hoisting and setting in position in cement mortar 1:3 (1cement:3 coarse sand), cost of required centring, shuttering and curing complete in 1:1½:3(1 cement :1½ coarse sand :3 graded stone aggregate 20 mmnominal size). Item to be used at site for casting and placing of around 2380 number tetrapods each with minimum weight of 2.5 ton or higher and minimum volume of 1.055 cum or higher.

Transportation of Precast Elements by flatbed Trailer (Double/ Triple axle 40ft Length with proper accessories like A frame etc) from factory, including the cost of loading , unloading &stacking at site with the help of required capacity cranes.Lead within 5 km. For the transportation of tetrapods from the casting site to placing/fixing site at dam upstream area

Supply of coarse sand zone III (For providing the casting base for tetra pods). (To be paid as per actual)

Supply of 16 mm steel wire rope, 6x36 galvanized steel core to be used for the tying of tetrapods inside the water with the help of underwater divers which shall be paid separately.

Supplying and dumping of muck in between the voids created by placing of tetrapods inside the slided cavity in reservoir.

Providing and laying in position specified grade of reinforced cement concrete including curing but excluding the cost of centering, shuttering, finishing and reinforcement. All works upto plinth level. 1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 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. (To be paid as per actual). (To be paid as per actual)

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

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size).

Providing experienced and insured diving team for underwater work of tying 2380 number of terapods with steel rope or any other associated work with diving supervisor, required air diving system with live communication, diving equipment, oxygen supply system for divers, safety gear etc complete in all respect. (PCC tetrapods and steel rope to be paid seperately).

Shotcreting RCC columns, beams and slab etc in layers with approved design mix concrete having the specified minimum characteristic compresive strength (with ordinary portland cement, coarse sandand graded stone aggregate of 10 mm maximum size in proportion as per design criteria) including cost of centering and shuttering at edges and corners etc as directed by engineer in charge. 50 mm thick in Grade M25 with cement content not less than 330 Kg per cum. Shotcreting to be done on the exposed face of the tetrapod packing during the drawdown flushing of the reservoir from the reservoir side.

Carriage of material By Mechanical Transport including loading, unloading and stacking (To be paid as per actual)

Cement avg 15 km

Sand avg 125 km

Aggregate 15 km

Steel avg 20 km

Muck avg 50 km

Amount for vetting/design of the proposal through approved agency