Repairing, maintenance of underground pipe line and manhole chambers up to 430 Mtr at RTC LATUR

14.77- Cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high-pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desalting of manholes and de chocking of sewer lines. De chocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 150mm dia upto 300mm.

19.24-Dismanting of manhole including R.C.C top slab, C.l cover with frame, including stacking of useful materials near the site and desposal of unserviceable materials within50 m lead as per direction of Enginner-in-charge. 19.24.4- Circular manhole 122 cm diameter and 1.68 m deep

19.11- Constructing brick masonry circular manhole 1.22 m internal dia at bottom and 0.56 m dia at top in cement mortar 1:4 (1 cement :4 coarse sand) inside cement plaster 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement foundation concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) ) and making necessary channel in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement, all complete as per standard design : 19.11.1- 1.68 m deep with SFRC Cover and frame (heavy duty HD-20 grade designation) 560 mm internal diameter conforming to I.S. 12592, total weight of cover and frame to be not less than 182 kg. fixed in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) including centering, shuttering all complete. (Excavation, foot rests and 12 mm thick cement plaster at the external surface shall be paid for separately) : 19.11.1.1- With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

M/s Kiaan Infrastructure

Gunwant Venkatrao Chothave