REPAIR CLEANING AND MAINTENANCE OF SEWAGE LINES SEPTIC TANKS MANHOLES AT MASIMPUR UNDER GE SILCHAR

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundations, manholes, etc. or for laying cables/pipes, erecting poles, etc. not exceeding 10sqm on plan and getting out in soft / loose soil complete all as specified and as directed

Returning, filling in, including, spreading, leveling, watering and well ramming in layers not exceeding 25cm deep as in any type of soil complete all as specified and as directed

Removing excavated materials to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point in any type of soil including spreading in low lying area and leveling complete all as specified and as directed

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

Demolition of cement concrete (un-reinforced) of any description and in any position not otherwise specifically provided for and removal of debris complete all as specified and as directed

Demolition of reinforced cement concrete (reinforcement cut as required to facilitate demolition) of any description and in any position not otherwise specifically provided for and removal of debris complete all as specified and as directed

Demolition of brickwork or stone / boulder masonry, built in cement mortar including all quoins, arches, pillars, etc but excluding ashlar facings, dressed stonework and precast concrete articles and disposing off complete all as specified and as directed

Taking down cement or cement lime plaster, any description on brick or stone walls, etc. including raking out joints, hacking for keys, scubbing down with water, etc. including all necessary scaffolding as required and rubbishing off the premises, etc. complete all as specified and as directed

Taking up or down 15mm bore steel water tubing and connections from any location / position including disposing off, etc. complete all as specified and as directed

Demolition and breaking up drain pipes (salt glazed ware, AC or reinforced concrete) 100/110mm bore (internal dia) set in cement mortar including breaking off haunching and disposing off complete all as specified and as directed

Demolition and breaking up drain pipes (salt glazed ware, AC or reinforced concrete) 150mm bore (internal dia) set in cement mortar including breaking off haunching and disposing off complete all as specified and as directed

Dismantling rain water pipe and sewage line pipe of any type and any size including fitting complete all as specified and as directed

Cutting chases, pinning in, making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc. and cutting chases for concealed water tubing, etc., and making good, cutting exceeding 10cm but not exceeding 20cm girth complete all as specified and as directed

M&L for loose filling with broken brick aggregates of gauge 40 to 80mm in soakage pits, soakage wells, etc. complete all as specified and as directed

M&L for mild steel TMT bars grade Fe-500D, 10mm dia, cut to length, bent to shape required including cranking, bending spirally or hooping for columns, hooking ends and binding with and including MS wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed

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

M&L for brickwork with sub-class 'B' bricks, straight or curved on plan exceeding 6m mean radius built in CM (1:6) complete all as specified and as directed

--ditto-- all as per serial item No. 16 hereinabove but except bricks Note: Old serviceable bricks obtained under demolition shall be reused under this item

M&L brickwork with sub-class `B' bricks in one brick thick honeycomb walling built in cement mortar 1:4 complete all as specified and as directed

M&L for brickwork with sub-class 'B' bricks, straight or curved on plan to any radius as in half brick thick walls built in CM (1:4) complete all as specified and as directed

M&L for cleaning top of RCC slabs in sunken portion including peripheral beams and plastering with 15mm thick cement mortar 1:3 using WPC at 3% by weight of cement finished even and smooth without using extra cement and curved / coved adequately at junctions complete all as specified and as directed

M&L for rendering 15mm thick in cement mortar (1:4) on fair surfaces of PCC block / brick masonry wall / concrete surfaces, etc. finished even and fair without using extra cement complete all as specified and as directed

M&L rendering 15mm thick, in cement mortar (1:4) on walls / concrete surfaces, etc. mixed with integral water proofing compound @3% by weight of cement, finished even and smooth without using extra cement complete all as specified and as directed Note: WPC will be measured and paid separately under respective item herein

Supply only integral water proofing compound all as specified

M&L for use and waste of formwork to soffits of suspended slabs such as in roof slabs, floor slabs, landings and similar work, not exceeding 200mm thick (Horizontal or sloping) for rough finished flat surfaces of concrete complete all as specified and as directed

M&Lfor use and waste of formwork to edges of concrete flats, treads, breaks in floors, floor and roofs not exceeding 20cm wide and sides of RCC/PCC bands in walls, horizontal or sloping and similar work exceeding 10cm but not exceeding 20cm wide complete all as specified and as directed

M&L for plain cement concrete 1:3:6 (type C-2) using 40mm graded stone aggregate as in foundation filling, mass concrete, complete all as specified and as directed

M&L for 75mm thick PCC 1:3:6, type C-2, using 40mm graded aggregates as in plinth protection, sub base of floor, etc. surface finished even & fair without using extra cement complete all as specified and as directed

M&L for plain cement concrete type B-2,1:2:4 (using 40mm graded stone aggregates) as in bedding layers, etc. complete all as specified and as directed

M&L for plain cement concrete type B-0,1:2:4 (using 12.5mm graded stone aggregates) as in coping, benching, etc. complete all as specified and as directed

M&L for plain cement concrete type C-1,1:3:6 (using 20mm graded stone aggregates) as in surface channels, drains, etc. complete all as specified and as directed

M&L for RCC 1:1.5:3 type A-1 using 20mm graded mechanically crushed stone aggregates as in slabs supported on walls, beams and columns, in floor, roof, landing, balconies, shelves and the like complete all as specified and as directed Note: Reinforcement and formwork will be measured and paid separately under respective items

M&L for precast RCC 1:2:4 type B-1 using 20mm graded mechanically crushed stone aggregates as in cover slab for man holes, drains, soak wells, and similar articles, set in CM 1:4 with plain faces including necessary formwork and chamfering, weathering, throating, etc. complete all as specified and as directed

M&L for plain cement concrete 1:3:6 (type C-2) using 40mm graded stone aggregate for bed to drain pipes including packing under and haunching against the sides of pipes after they are laid and tested for 110mm dia drain pipes complete all as specified and as directed

M&L for plain cement concrete 1:3:6 (type C-2) using 40mm graded stone aggregate for bed to drain pipes including packing under and haunching against the sides of pipes after they are laid and tested for 150mm dia drain pipes complete all as specified and as 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 and as directed Note: Inner girth shall only be measured

M&L for non-skid ceramic tiles, coloured, area of tile exceeding 0.11sqm but not exceeding 0.18sqm each, 7 to 8mm thick of superior quality as in floors, etc. laid over 15mm thick screed bed in CM (1:6) (rate shall be included) set and jointed in neat cement slurry @3.00kg of cement per sqm and pointed in white cement mixed with colouring pigment to match shade of tiles complete all as specified and as directed

M&L for glazed ceramic tiles, coloured of size 300x200x7 to 8mm thick, of superior quality B-III grade, on vertical faces, dados, skirting, risers, etc. laid over 10mm thick backing coat in CM (1:4) (rate shall be included) set and jointed in neat cement slurry and pointed in white cement mixed with pigment to match the colour of tiles complete all as specified and as directed

M&L for glazed ceramic tiles, coloured of size 350x250mm or 450x300x7 to 8mm thick, of superior quality B-III grade, on vertical faces, dados, skirting, risers, etc. laid over 10mm thick backing coat in CM (1:4) (rate shall be included) set and jointed in neat cement slurry and pointed in white cement mixed with pigment to match the colour of tiles complete all as specified and as directed

S&F in repairs vitreous China squatting pan, Orissa pattern of size 580x440mm, white, with integral foot rests and 'P' or 'S' trap, connecting to flushing pipe, cast iron 100mm bore 'P' trap with 500 to 600mm long neck including necessary lime concrete and making good to the disturbed surfaces in CM 1:3 with finishes to match with the existing complete all as specified and as directed

S&F in repairs vitreous China wash down water closet pan (Pedestal pattern), coloured (as approved), with 'P' or 'S' trap, including flush pipe, trap, connection to drain or outgoing pipe, anti-syphonic pipe, seat cover to match with colour of WC, closed pattern with flat bottom & cover and chromium plated mild steel or aluminum anodized hinge device and jointing and connecting up complete all as specified and as directed

S&F in repairs vitreous China bowl type urinal, flat back, of size of 465x355x265mm, white with grating and union for discharge pipe (back or corner wall type), including providing and fixing plugs, bedding urinal against wall in cement mortar 1:2, securing urinal with plugs with 60mm long brass screws, pointing around urinal back in cement, with and including and fixing automatic flushing cistern with brackets, flush pipe, grating and union for discharge pipe complete all as specified and as directed

S&F 10litres capacity PVC flushing tank, white / coloured, syphonic action type, low level, valveless, with PVC inlet ball valve, PVC flush pipe, float and suitable sized brackets including cutting of floor / wall and making good to the disturbed surfaces in CM 1:3 with finishes to match with the existing complete all as specified and as directed

M&L for two coats of epoxy resin / polymer modified cementaticious coating on floors, walls, beams, etc. as per manufacturer's instructions complete all as specified and as directed

S&F steel water tubing, 15mm bore, medium grade, galvanised with screwed and socketed joints, in any length, including supply and fixing all fittings, ISI marked conforming to IS -1239 and fixed to walls or laid in floors / trenches required for water connections complete all as specified and as directed

M&L for cleaning of kitchen / bathroom trap (floor trap/ gully trap) by using rubber pump and rod including removal of sludge and other foreign materials complete all as specified and as directed

M&L for cleaning of WC and inspection chamber by using rubber pump and rod including removal of sludge and other foreign materials complete all as specified and as directed

M&L for cleaning / de-sludging of manholes, 10 to 12m in depth, using mechanical pumps, diesel driven, with fuel, operator, etc. and all necessary tools / plants including loading and carting off the drawn sludge, waste material, scum, spoil water, etc. outside MD land through designated sludge carriers / bio tanks complete all as specified and as directed

M&L for cleaning PVC pipe,SGSW drain pipe, RCC Hume pipe, cast iron pipe of any dia by roding with sectional sewer rod/flexible sewer rod/bucket etc. thoroughly from inspection chamber to manhole or from one manhole to another manhole of any depth and size and well flushing with water after cleaning and including removal of sludge and other materials obtained from cleaning the drain pipe to a pit made for this purpose and filling up to the earth, complete all as specified and as directed.

M&L for cleaning / de-sludging of septic tanks, using mechanical pumps, diesel driven, with fuel, operator, etc. and all necessary tools / plants including loading and carting off the drawn sludge, waste material, scum, spoil water, etc. outside MD land through designated sludge carriers / bio tanks complete all as specified and as directed of the following capacities:

10 Users

25 Users

50 Users

100 Users

M&L for cleaning / de-sludging of sewage soakage wells/pits of depth 10 to 12m, using mechanical pumps, diesel driven, with fuel, operator, etc. and all necessary tools / plants including loading and carting off the drawn sludge, waste material, scum, spoil water, etc. outside MD land through designated sludge carriers / bio tanks complete all as specified and as directed

Notes for item Nos. 45 to 54: (i) All necessary precautions and all safety measures as per Municipality rules / relevant regulatory guidelines shall be taken by the Contractor in employing his mechnical means and workmen. No person shall be employed in direct contact working in septic tanks, manholes, sewage wells, etc. in foul conditions to prevent any health hazards, etc. and only mechanical means shall be used (ii) The Contractor shall be solely responsible for any mishap to any of labourer deployed and to equipment/machinery/plants/material, etc. brought at site for work and any lapses whatsoever during the execution, (iii) The work shall be executed under the supervision of highly skilled tradesman / supervisor (iv) Drawn sludge, waste material, scum, spoil water, etc. shall be removed to outside MD land through designated sludge carriers / bio tanks only (v) To avoid any hazard or spreading of any foul gas bleaching powder shall be spread as directed (vi) The rates quoted shall be deemed to be inclusive of the above aspects, and no claims whatsover shall be entertainable at later stages and or during execution

S&F Salt Glazed Stoneware drain pipes laid in trenches and jointed with all fittings, complete all as specified and as directed

S&Fin repair 110mm bore PVC (SWR) junction single, (single T) equal or unequal complete all as specified and as directed

S&F in repair 110mm bore PVC (SWR) bend of any radius complete all as specified and as directed

S&F in repairs 75mm bore PVC (SWR) bend of any radius complete all as specified and as directed

S&F in repairs 110mm dia PVC(SWR) vent cowl complete all as specified and as directed

S&F in repairs 75mm dia PVC(SWR) vent cowl complete all as specified and as directed

S&F in repairs vitreous China 'P' or 'S' trap suitable for existing squatting pan complete all as specified and as directed

S&F in repairs PVC (SWR) reducers 75-110mm equal or unequal complete all as specified and as directed

S&F in repairs PVC (SWR) floor trap 75mm outlet diameter, plain with grating including jointing with solvent cement complete all as specified and as directed

S&F in repairs PVC (SWR) pipes, 150mm bore, single socketed in any length with rubber ring joints laid in trenches, floors, etc. complete all as specified and as directed

S&F in repairs PVC (SWR) pipes, 110mm bore, single socketed in any length with rubber ring joints laid in trenches, floors, etc. complete all as specified and as directed

S&F in repairs PVC (SWR) pipes, 110mm bore, single socketed in any length with rubber ring joints fixed on walls with suitable clamps, etc. complete all as specified and as directed

S&F in repairs PVC (SWR) pipes, 75mm bore, single socketed in any length with rubber ring joints laid in trenches, floors, etc. complete all as specified and as directed

S&F in repairs PVC (SWR) pipes, 75mm bore, single socketed in any length with rubber ring joints fixed on walls with suitable clamps, etc. complete all as specified and as directed

M/S SANJIB DEB (BID ID -3288392)

MS AFTAB LASKAR (BID ID -3288488)

M/S LUIT CONSTRUCTION (BID ID -3288751)

M/S PIJUSH BHATTACHARJEE (BID ID -3287959)

M/S R A ENTERPRISE (BID ID -3288425)

M/S RAJU ENTERPRISES AND BROS (BID ID -3288806)

SURANA CORPORATION (BID ID -3289075)

M/S TAPAN KUMAR RAY (BID ID -3288907)