Tender For Operation, Maintenance And Repair Work Of Sewer Lines For One Year Under Textile Centre Scheme - Desilting Of Chocked Sewer Manhole 4.50 To 7.50Mt Deep & Removing The Plug & Taking Out Of Debris/Mud & Slit Rubbish From Chocked Sewer Manhole Of

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Tender For Operation, Maintenance And Repair Work Of Sewer Lines For One Year Under Textile Centre Scheme - Desilting of chocked sewer manhole 4.50 to 7.50mt deep & removing the plug & taking out of debris/mud & slit rubbish from chocked sewer manhole of heavily charged sewer & safo disposal of silt with in municipal limit incl opening & cleaning the line from mud & silt complete with supply of all materials, man power, Inbour T&P etc. from site of work incl removal of all hindrences obstructions, unforseen lems complete with all respect.(a) Upto 3 mt 2 (b) 3.00-4.50 mt 3 (C) 4.5-6.00 mt 4 Desilting/cleaning of following dia chocked sewer line by super sucker machine & removing out debries/mud & silt rubbish from chocked line of heavily charged sewor line & safe disposal of silt with in municipal limit incl opening & cleaning the line from mud & silt complete with supply of all materials, man power, labour T&P etc. from site of work incl removal of all hindrences obstructions, unforseen lems complete with all respect.(A) 250mm dia 5 (B) 350mm dia 6 Excavation for depth upto 1.5 MBGL for laying sewer line,manhole, gully traps etc. in ordinary soil (loam, clay& sand) i/c cutting of joints pits, trimming, dressing. levelling & refilling of trenches in 20 cm layers, watering sand ramming the same i/c removel of surplus earth or other dismentled materials, upto a distance of 50M from the center of trenches.(a) 0-1.5 MBGL 7 (b) 1.5-3.0 M BGL 8 Cement concrete with 4 cm gauge approved stone ballast coarse sand & cement in the proportion of 8:4:1 including supply of all materials. Tabour, tools & plants etcc required for proper completion of the work. bedding of RCC pipes, including cost of form work in the trenches 9 Supply, Carting Laying & Jointing of NP-2 RCC Hume pipewith collars jointed still mixture 1:2 all jointing materials, testing etc, complete250 mm dia NP-2 RCC hume pipe(108X0.781/100XRs.811.15) 10 300 mm dia NP-2 RCC hume pip(108X0.781/100XRs.902.05) 11 Constructing brick masonry circular type manhole 0.91 m internal dia at bottom and 0.56m 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 mix (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: 19.9.1 0.91 m deep with S.F.R.C. cover and frame (heavy duty. HD-20 grade designation) 560 mm internal diameter con- forming 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 12mm thick cement plaster at the external surface shall be paid for separately):With Sewer bricks conforming to IS: 4885(108X0.781/100XRs.11666.90) 12 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 ce-ment: 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)19.11.1.2 With Sewer bricks conforming IS 4885(108X0.781/100XRs.22463.90) 13 560mm dia cover with out frame (Heavy duty)(108X0.781/100XRs.5100) 14 Pumping out water caused by spring ,tidal or river seepage. broken water mains or drain or well point pumping and the like