CERTAIN REPAIR/REPLACEMENT OF SEWAGE LINE, DISLOADING, REPAIR AND CLEANING OF OXIDATION POND AND OTHER MISC WORKS IN DOMESTIC AREA AT AF STN TEZPUR

Taking out vegetation / water weeds and floating materials from the oxidation ponds of size 124mx46m (approx) and depositing the same to a distance not exceeding 50m over and including Surface dressing on the embankment of oxidation pond not exceeding 15cm deep in soft/ loose soil, by trimming and removing vegetation bushes/ small trees and depositing the same to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5 metres above the starting point, complete all as specified and as directed.

All as per item No 01 here-in-before but Oxidation pond of size 84mX31m (Approx), complete all as specified and as directed.

M&L for opening of blockage of IWC/ EWC/ Urinal by mechanical means for removing blocked wastes/silt and mud, including removal from site and washing down thoroughly for free flowing upto 1st manhole and finally clean the washroom/toilet by clean water to the users satisfaction, complete all as specified and as directed.

M&L for opening of blockage of Gully trap, nahani trap, floor traps in bathroom & kitchen by Mechanical means for removing blocked wastes/silt and mud, including removal from site and washing down thoroughly for free flowing upto 1st manhole and finally celan the kitchen/bathroom and plinth protection around Gully trap by clean water to the users satisfaction, complete all as specified and as directed.

M&L for Cleaning of septic tanks/sewage sumps /blocked manholes etc by blocking temporarily the inlet line with appropriate wooden plugs and bailing/pumping out water in liquid/semi liquid states and scraping out sludge, organic matter/inorganic matter, soft/semi solid material using the mechanical cleaning devices in compliance of section 5 and protective gear and saftey devices in compliance of section 4 of "The Prohibition of Employment as Manual Scavengers and their Rehabilitation Act 2013" and removing Sludge to a distance n exc 50 mtr away from starting point and depositing in pits not exc 10 sqm on plan and n exc 1.5 m in depth, returning filling in of pit after soaking of water including sprinkling of bleaching powder over the trenches and incl necessary exc and earth work in soft/loose soil , complete all as specified and as directed.

M&L for Cleaning of 100 mm bore sewage line from Manhole to Manhole with mechanical cleaning devices in compliance of section 5 and protective gear and saftey devices in compliance of section 4 of "The Prohibition of Employment as Manual Scavengers and their Rehabilitation Act 2013" to clear the sludge/blocking etc logged in side the sewage line and well flushing with water to drain the loose sludge etc inside the sewage line from manhole to manhole including removing and re-fixing the manhole cover, complete all as specified and as directed.

M&L for Cleaning of 150 mm bore sewage line from Manhole to Manhole with mechanical cleaning devices in compliance of section 5 and protective gear and saftey devices in compliance of section 4 of "The Prohibition of Employment as Manual Scavengers and their Rehabilitation Act 2013" to clear the sludge/blocking etc logged in side the sewage line and well flushing with water to drain the loose sludge etc inside the sewage line from manhole to manhole including removing and re-fixing the manhole cover, complete all as specified and as directed.

M&L for Cleaning of 200 mm bore sewage line from Manhole to Manhole with mechanical cleaning devices in compliance of section 5 and protective gear and saftey devices in compliance of section 4 of "The Prohibition of Employment as Manual Scavengers and their Rehabilitation Act 2013" to clear the sludge/blocking etc logged in side the sewage line and well flushing with water to drain the loose sludge etc inside the sewage line from manhole to manhole including removing and re-fixing the manhole cover, complete all as specified and as directed.

Excavation in trenches not exc 1.5 m in deep and n exc 1.5 m wide for laying of drain pipes, pipe line, fdn for manhole like n exc 10 sqm plan and n exc 1.5 m in depth or as in sooft/loose soil getting out, complete all as specified and as directed.

Returning filling in including spreading, levelling,watering and well ramming in layers not exc 25 mm in soft/loose soil, complete all as specified and as directed.