Survey, Investigation and execution for De-silting and associated works of existing storm water drainage pipeline in Varanasi city, U.P. under Deposit Program (Pkg-9)

Desilting the sewer lines through jetting and suction machines, including barricading, cleaning and reconstruction of manholes for section of isolation by plugging and flow stoppage, setting up the over-pumping arrangements, traffic management, jetting and dislodging of accumulated silt from the pipe lines, removal of silt through suction hose, disposal of removed silt upto a distance of 20 Km, necessory temporary repairs of sewers to stop locational collapses, ingress of ground water in the desilted section of the pipelines as per the direction of Engineer in Charge. In line with the specifications prescribed in IndsTT:201-2018: Code of Practice for Cured in Placed Pipe Technique suiting Indian conditions: Appendix B.

Drain No. B (Usarpurwa to Natiniyadai Temple)

Evaluating pipe line condition through inline CCTV survey to assess the internal condition and material of the buried pipe lines including accurate measurement of the length and diameter / cross section, invert levels and other physical attributes of buried pipe lines, identification of all defects, joints and connections, measurement and recording of their location / positions, sizes and conditions of such pipe lines including provision of survey report and records of conditions both through video recordings in PAL format on a new VHS cassette as well as report on the structural conditions of the pipe lines as per the direction of Engineer in Charge. In line with the specifications prescribed in IndsTT:201-2018: Code of Practice for Cured in Placed Pipe Technique suiting Indian conditions: Appendix A. for sewers upto 900 mm diameter.

Connection of existing Gali Pits to the drain (upto 5.0 mts length) including supply of all material and labour etc required for completion of work to the satisfaction of Engineer in Charge. (1 % of Length)

Construction of Gali Pits and Connection of same with the drain (upto 10.0 mts length) including supply of all material and labour etc required for completion of work to the satisfaction of Engineer in charge.

Identification of Sewer Line Connections and connection of same with the nearest sewer linen (upto 20.0 mts length) including supply of all material and labour etc required for completion of work to the satisfaction of Engineer in charge.

Raising of Manhole upto existing road levelincluding dismantelling of frame & cover from manhole with due care and safety so as avoid damage, raising of manhole with brickwork and palstering in 1:3 cement mortar, filling of gap with cement concrete of M-20 grade, refixing of frame & cover and footrest etc. complete to the satisfaction of Engineer-in-charge( 50 % of Total Manholes)

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