RAISING MANHOLE COVERS SASTRY ROAD KTM

Amount

Raising of Cast Iron manhole cover with frame of internal dia 580mm to keep in alignment with the new road surface consisting of following operations: a)Dismantling the bituminous road surface around manhole neck side walls for the required size and removal of debris within 50m lead. b) Dismantle manhole neck made of RCC wall of internal diameter 580mm and width 200mm upto the required depth for removal of frame and CI cover. c)Keep the dismantled frame with CI cover in position and in alignment to the new road level and place the shuttering on side walls and bottom. d) Laying reinforced cement concrete of mix 1:1:2(1cement:1 coarse sand:2 graded stone aggregate 20mm nominal size) in side wall and bottom portion of the slab for fixing the outer frame, after providing necessary reinforcement at required lap length as directed by Engineer-in-charge. . e)Plastering the inside, out side of the neck, bottom slab portion etc. with cement mortar 1:3 (1 cement:3 fine sand) and refix the manhole cover. [ The rate includes for all the above operations of dismantling the bituminous road, reinforced cement concrete, stacking and safe custody of CI cover and frame, shuttering, setting available frame and cover in position, providing Reinforcement & RCC, plastering on the new concrete surfaces, curing, making arrangement of barricades and engaging labours for controlling the traffic if required, obtaining permission from PWD authorities and traffic police all as directed by the Engineer-incharge. ] Any charges to be paid to PWD for road cutting will be borne by BSNL

For MH covers to be raised upto 0.23m

For MH covers to be raised above 0.23m and upto 0.60m

For MH covers to be raised above 0.60m and upto 1.20m

RAVINDRAN NAIR