CLEANING AND DISLODGING OF MANHOLES SEPTIC TANKS AND SEWAGE LINES AT SUNDERBANI AND BARAKH UNDER GE NORTH AKHNOOR

Amount

Demolition of brickwork or stone/boulder masonry built in cement mortar including all quoins, arches, pillars etc., but excluding ashlar facing, dressed stone work and precast concrete articles, complete all as specified & directed.

M&L for Brickwork with sub-class ‘B’ bricks (old size), straight or curved on plan of any radius, built in cement mortar 1:4, complete all as specified & directed.

15mm thick rendering in cement mortar 1:4 mixed with water proofing compound on fair faces of brick surfaces or concrete surfaces, surface finished even and smooth without using extra cement, complete all as specified & directed. Note: WPC shall be measured and paid separately.

Supply only integral water proofing compound

Excavation in trenches not exc. 1.5m wide and not exc. 1.5m in depth; for foundation etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sqm on plan in any type of soil and getting out, complete all as specified & directed.

Demolition and breaking up drain pipes (Salt glazed ware) of 150mm internal dia set in cement mortar including demolition of concrete bed and haunching complete all as specified and directed.

Concrete bed in PCC 1:3:6 type-C-2 (using 40mm graded crushed stone aggregate) to drain pipe 150mm bore including packing under and haunching against the sides of pipes after they are laid and tested all as specified and directed.

Salt-glazed stoneware drain pipe, grade ‘A’ internal dia of pipe 150mm, laid in trenches and jointed, complete all as specified & directed.

Returning, filling in (soil), including spreading, leveling, watering and well ramming in layers not exc. 25cm, complete all as specifed & directed.

Removing excavated material to a distance not exc. 50m and depositing where directed at a level not exc. 1.5m above the starting point, complete all as specified & directed.

Cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-1 smooth finished and reforming benching, internal dia of pipe 150mm, complete all as specified & directed.

PCC 1:4:8, nominal mix, type D-2 using 40mm graded crushed stone aggregate as in foundations, filling & mass concrete, complete all as specified & directed.

M&L for PCC 1:2:4, B-1 (20mm graded stone aggregate) as in surface channels and drains etc complete all as specified and directed.

Extra for forming fair finished drain or channel 30cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc., complete all as specified & directed.

PCC 1:2:4, nominal mix, type B-1, using 20mm graded crushed stone aggregate as in lintels upto 1.5m clear span, cills, steps, seismic and other similar bands, plinth courses, coping, bed plates and the like including weathering, slightly rounded or chamfered angles and throating including necessary form work, complete all as specified & directed.

Demolition of reinforced cement concrete of any description in any position not otherwise specifically provided for (Reinforcement cut as required to facilitate demolition), complete all as specified & directed.

Precast reinforced cement concrete 1:2:4 (nominal mix), type B-1 using 20mm graded crushed stone aggregate as in landings, cover slabs (for manhole etc.), and similar articals with plain faces, set in cement mortar 1:4 complete all as specified & directed.

TMT bars 6 to 8mm dia, cut to length, bent to shape required including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips, conforming to grade Fe-500, complete all as specified & directed.

Vitreous chinaware squatting pan, 'Orissa Pattern' size 580mm x 440mm with integral foot rests, white, with ‘P’ or ‘S’ trap, front or back inlet, including provision of lime concrete, making connections to trap and to flush pipe etc. and making good to floors, fixed in repairs, complete all as specified & directed.

PVC valveless, syphonic action type flushing cistern, 10 litres capacity, plunger type, low level, white with inlet, ball valve, float and handle, 32 mm dia PVC long bend flush pipe 90cm long, fixed in repairs, complete all as specified & directed.

Salt-glazed stoneware gully traps, square or round mouthed, type 'P', size of gully traps 150mmx150mm, complete all as specified & directed.

Dismantling of cast iron pipes/PVC pipes of any size and taking out from trenches, complete all as specified & directed.

Dismantling and refixing to walls after cleaning any type of blockage (by passing rods bamboo etc ) CI pipe of 100mm/75mm bore with cement joint incld a coat of black bituminous paint complete all as specified.

S&F Cast iron (spun cast) soil , waste and vent pipe, 100mm bore in any length with or without ears with cement joints, fixed to walls with CI/MS clamps, complete all as specified & directed.

S&F Cast iron (spun cast) soil, waste and vent pipe, 75mm bore in any length with or without ears with cement joints, fixed to walls with CI/MS clamps, complete all as specified & directed.

S&F Cast iron (spun cast) soil, waste and vent pipe, 50mm bore in any length with or without ears with cement joints, fixed to walls with CI/MS clamps, complete all as specified & directed.

S&F Cast iron (spun cast) soil, waste and vent pipe, 100mm bore in any length with or without ears with lead joints, laid in trenches or in floors, complete all as specified & directed.

S&F Cast iron (spun cast) soil, waste and vent pipe, 75mm bore in any length with or without ears with lead joints,laid in trenches, complete all as specified & directed.

Cast iron bends (any radius) diminishing pieces or tapers (larger bore measured), bore of pipe 100mm, complete all as specified.

Cast iron bends (any radius) diminishing pieces or tapers (larger bore measured), bore of pipe 75mm, complete all as specified.

Extra over cast iron bends if fitted with oval access door, bore of pipe 100mm, complete all as specified & directed.

Extra over cast iron bends if fitted with oval access door, bore of pipe 75mm, complete all as specified & directed.

Demolition of cement concrete (un-reinforced) in ground floors and paving not exceeding 15 cm thickness (below or above ground level ) complete all as specified.

M&L for plain Cement concrete Type B-0, 1:2:4 (12.50mm graded crushed stone aggregate), 25 mm thick as in sub-base of floors complete all as specified.

M&L Non skid Ceramics tiles 7 to 8 mm thick, coloured, size of each tile exc 0.11 Sqm but not exc 0.18 Sqm in floor etc set & jointed in neat cement slurry and pointed in white/coloured cement to match incl 15mm thick screed bed/bedding layers in CM 1:4 complete all as spd & directed.

Systematically cleaning of 150mm/200mm dia pipe sewers/drains by passing rope, knots, bamboos, kempt and disc of required size from manholes to manholes, septic tank and well flushing after cleaning sewer line/drain pipe with water (excluding manholes and septic tanks) including safety measures such as test for existence of poisonous gas etc complete all as specified and directed.

Taking out/pumping contaminated sewage water from septic tank/soakage well incl inlet/outlet chamber after plugin incoming sewage line suction(vaccum) type machine mounted on LMV/HMV and facility of high pressure vaccume and removing and dumping off the same in tank to a place out side contonment at the place marked for the purpose by local municipality or the authority controling the area as directed by Engr-in-charge. Note :- Contractors are advised to ascertain the place suitable/earmarked for disposal of sludge/sewage water from local municipality or area controling authority before quoting their rates. Disposal of waste at suitable place shall be sole responsibility of contractors and no representation or objection in this regard will be entertained at any later stage.

Labour for opening/cleaning of blockage of manholes, gully traps, floor traps, vertical soils/ waste pipe of different dia at Sunderbani Mil Stn. Note - The labour will report daily 0845hrs at complaint cell and attend complaints till 1645hrs given by Engr-in-Charge. Complaints needs to be clears with in 24hrs after receiving the complaints. The contractors will supply all T&P (Mechanical iron rods, knot ropes, bamboo etc) scaffolding ladders any other materials required to clear the blockages at the site without any extra cost. Labour for cleaning of sludge from sewage lines (any dia) to manhole is included in quoted rates. The recovery will be made from the contractors @100 Rs per complaint which are not cleared with in 24hrs from the time of receipt of complaints. Decision of Engr-in-Charge is final in this record. (02 Person per month)

M/s Mool Raj Romesh Chander

vijay kumar