Annual Rate Contract for Cleaning of Existing Slow Sand Filter In Project Sub Division Jaisalmer

PHED REVESED BSR 2023 & PWD BSR 2022

3.1 Providing and laying in position cement concrete including curing compaction etc. of specified grade excluding the cost of centering and shuttering All up to plinth level

3.1.2 1:2:4 (1-Cement:2-coarse sand:4-graded stone aggregate 20 mm nominal size).

6.1 Random Rubble stone masonry for with hard stone in foundation and plinth in Cement Sand mortar above 30 CM thick wall in:

Cement Mortar 1:6 (1-Cement:6-Sand).

12.1 Plaster on new surface on wall in cement sand mortar 1:3 including racking of joints etc. complete fine finish

12.1 25 mm thick.

Silt clearance from Sedimentation cum storage tank with all lift and lead up to 50 Mtr. Silt to be disposed outside the Headworks boundaries. Disposed silt to be levelled and neatly dressed including stacking of useful material if any available during excavation for all kind of soil. Silt clearance is to be carried out by means of mechanical system i.e. Tractor craw/Trolley or any other mechanical system. No extra payment shall be done for lift . This work also involves dressing of bottom which is to be done manually and there shall be no damage to lining and LDPE film of tank. Work is to be done as per direction of Engineer In Charge and technical specifications.

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