general-development of microwatersheds in thrithala constituency- arthikulam in karambathur watershed-action plan 2025-2026-dpr preparation work ---1 renovation of arthikulam 2 50.2.3.1:pumping or bailing out water and removing slush etc by using pump set including cost of labour, oil hire charges of pumpset, etc complete 3 2.33.1:felling trees of the girth (measured at a height of 1 m above ground level) including cutting of trunks and branches, removingthe roots and stacking of serviceable material and disposal of unserviceable material.beyound 30 cm girth up to and including 60 cm girth 4 2.6.1: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 5 2.26.1:extra for every additional lift 1.5 m or part there of in excavation / banking excavated or stacked materials.all kinds of soil 6 5.9.1:centering and shuttering including strutting, etc. and removal of form for:foundations, footings, bases of columns, etc for mass concrete 7 4.3.1:centering and shuttering including strutting, propping etc. and removal of form work for:foundations, footings, bases for columns 8 5.22.6:steel reinforcement for r.c.c work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelthermo - mechanically treated bars of grade fe-500d or more 9 od875/2025-2026:dry rubble masonry _ dry rubble without concrete levelling course masonry with good quality blasted rubble including packing to compactness to lines and levels cost and conveyance of all materials labour charges etc. complete as per direction of departmental officers at site. 10 5.1.2:providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - all work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size derived from natural sources) 11 4.1.3:providing and laying in position cement concrete of specified grade excluding the