Repair/ Maint to Pathway, culverts, interlocking tiles and certain B/R works in tech area at AF Stn Tezpur

Declogging and cleaning of floor trap/nahani trap/gully trap and clearing of blockage for clog free flowing of waste water upto the first manhole, complete all as specified and as directed.

Declogging and clearing of blockage of IWC/ EWC/ Urinal by removing chocked wastes/silt and mud etc., including removal of debris from site and washing down thoroughly for free flowing of waste upto 1st manhole and finally cleaning the washroom/toilet with clear water throughly or removal of debries/dirt etc., complete all as specified and directed.

Cleaning of sewage line, 100 mm bore, between manhole using the cleaning devices in compliance of Section 5 and protective gear and safety devices in compliance of Section 4 of 'The Prohibition of Employment as Manual Scavengers and their Rehabilitation Act, 2013' and clearing of blockage for clog free flowing of sewage, complete all as specified and as directed. Note:- Center line length of the sewage line excluding the intermediate manhole(s) will be measured.

Cleaning of sewage line,150 mm bore, between manhole using the cleaning devices in compliance of Section 5 and protective gear and safety devices in compliance of Section 4 of 'The Prohibition of Employment as Manual Scavengers and their Rehabilitation Act, 2013' and clearing of blockage for clog free flowing of sewage, complete all as specified and as directed. Note:- Center line length of the sewage line excluding the intermediate manhole(s) will be measured.

Bailing out water content in liquid/semi liquid state from sewage in septic tanks/ sewage sumps/manholes/ soakage pits etc upto the top of sludge level/aggregate fillings by 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" by blocking temporarily the inlet line with suitable size wooden plugs and removing/discharging water content in liquid/semi liquid 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 including necessary excavation and earth work in soft/loose soil complete all as specified and directed.

Demolition of bricks (laid flat or on edge) or brick tiles in floors, channels, kerbs, aprons, etc. (each layer) laid bedded and pointed in any mortar, complete all as specified and directed.

Materials and Labour for plain cement concrete (1:4:8) Type D-2 using 40 mm graded aggregate, in foundations, filling and mass concrete including demolition of existing cement concrete (un reinforced) of any description and in any position not otherwise specifically provided for, complete all as specified and directed.

Materials and Labour for plain cement concrete (1:3:6) type C1 using 20 mm graded aggregate as in surface channels and drains including demolition of existing cement concrete (un reinforced) of any description and in any position not otherwise specifically provided for, complete all as specified and directed.

Materials and Labour for plain cement concrete (1:2:4) type B0 using 12.5 mm graded aggregate in lintels up to 1.5m clear span,cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings up to 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed including necessary from work including demolition of existing cement concrete (un reinforced) of any description and in any position not otherwise specifically provided for, complete all as specified and directed.

Materials and Labour for laying bricks, old size, sub class B, laid flat, in floors, bedded and jointed in cement mortar 1:6 and pointed in cement mortar 1:3, complete all as specified and directed.