MISC REPAIR OF MANHOLES, SEPTIC TANK ETC AND CLEANING, REPAIR/REPLACEMENT OF SEWAGE LINES, MANHOLES COVERS, REPAIR TO FENCING, PATH, HARD STANDING ETC AT MIL STN KANCHRAPARA UNDER GE BARRACKPORE

Amount

Cleaning and de-sludging, excreta, night soil etc of existing septic tank, soak well and sewage sump completely of solid/liquid sludge by pumping or manually from inside the septic tank, soak well and sewage sump and removal of sludge depositing in excavated pits (required size and depth) exceeding 50m but not exceeding 100m. Top layers of excavation pit covered by layers of 150mm depth earth spreading with bleaching powder @ 500 gm per Sqm for disinfections purpose all as specified and directed and upto the satisfaction of Engr-in-Charge. (NOTE : (i) Excavation of trenches, disposal of surplus soil and bleaching powder is deemed to be included in the quoted unit rates however quantity of sludge portion only will be measured and paid. (ii) Location of earth pit to be dugged shall be approved by the Engr-in-Charge)

De-sludging/de-silting and cleaning of existing manholes and gully traps etc of any depth including taking out sludge/ slit and other foreign materials from manholes and gully traps of any size and staking the removed silt/sludge deposited as directed by Engr-in-Charge including taking precautionary measured such as safety belts, cell torch for lighting inside the manholes and gully traps etc and sprinkling bleaching powder @100gm per Sqm on the slit/sludge to remove to avoid bad smell and disposal of slit/sludge by transport upto 50m complete all as specified and as directed and upto the satisfaction of Engr-in-Charge. (NOTE: Rate deemed to be inclusive of bleaching powder for disposal of slit/sludge. The measurement will be taken only sludge/slit portion as per site condition.)

Systematically cleaning and de-silting/de-sludging of blocked sewage/ waste pipe line 150mm dia of any description by rodding with using steel rod or split bamboo sticks thoroughly from both sides between adjacent manholes still clear flow of sewage line is observed, passing knots, kamti and disc of required size or pumping out liquid waste /sewage, plugging and diverting the flow to the drain if necessary and stacking the removed silt/sludge in deposits as directed and upto the satisfaction of Engr-in-Charge. .

Systematically cleaning and de-silting/de-sludging of blocked sewage/ waste pipe line 100mm dia of any description by rodding with using steel rod or split bamboo sticks thoroughly from both sides between adjacent manholes still clear flow of sewage line is observed, passing knots, kamti and disc of required size or pumping out liquid waste /sewage, plugging and diverting the flow to the drain if necessary and stacking the removed silt/sludge in deposits as directed and upto the satisfaction of Engr-in-Charge. .

Supply and filling loose brick aggregate of gauge 80 to 150mm in soak well / soakage pit after opening of cover slab and placing the same in position after filling of aggregate including taking out old unserviceable brick aggregate from soak well/soakage pit and removed from site including cleaning of soak well all as specified and directed and upto the satisfaction of Engr-in-Charge.

Labour only for loose filling with of serviceable brick bats in filter bed after taking down old serviceable brick bats/aggregate of any size from filter bed after segregating from soak well/soakage pit duly cleaning with flushing water and waste materials all as specified and directed and upto the satisfaction of Engr-in-Charge.

Cleaning of chocked / blocked CI Nahani trap /floor trap with grating upto IC/gulley trap etc in position by any method including removing of rubbish/sludge to a distance exceeding 250m not exceeding 500m complete all as specified and directed and upto the satisfaction of Engr-in-Charge.

Cleaning of chocked / blocked WC/EWC of any type by any method upto IC / gully trap of any size after opening oval access door of bend, branches etc and re-fixing in position including bailing out water/sewage manually and removing the deposited residual sludge/debris directly buried into the ground to a distance not exceeding 50 mtr complete all as specified and directed.

Demolition of cement concrete (unreinforced) in ground floor not exceeding 15 cm thickness (below or above ground level) all as specified and directed.

Demolition of un-reinforcement cement concrete of any description and in any position not otherwise specially provided for complete all as specified and directed.

Demolition of reinforcement cement concrete of any description and in any position not otherwise specially provided for complete all as specified and directed.

Dismantling of cast iron drain pipes of 100mm dia (internal) jointed in cement mortar and taking out of trenches complete all as specified and directed.

Taking down cement plaster of any description on brick or stone or concrete surface of wall etc including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed.

Demolition and breaking up drain pipe (salt glazed ware, AC or reinforced concrete) set in cement mortar for 150mm bore pipe complete all as specified and directed.

Demolition and breaking up drain pipe (salt glazed ware, AC or reinforced concrete) set in cement mortar for 100mm bore pipe complete all as specified and directed.

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

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth for foundation or for shafts, well, cesspits, pier holes and getting out in soft/loose soil all as specified and directed.

Returning, filling in, including spreading leveling, watering and well ramming in layers not exceeding 25cm in soft/loose soil complete all as specified and directed.

Removing of excavated surplus soil/materials not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting points complete all as specified and directed.

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

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

M&L for rendering 15mm thick in cement mortar (1:4) on fair faces of brick works of internal surfaces, finished the surface even and fair using extra cement complete all as specified and directed.

M&L for rendering 15 mm thick, 1st coat 10mm thick in cement mortar (1:6) & 2nd coat 5mm thick in cement mortar (1:4) with water proofing compound @ 2% by weight of cement, plastered surface shall be finished even and smooth with using extra cement complete all as specified and directed. (Note : WPC shall be measured and paid separately, WPC shall be used in second coat only)

Supply only integral water proofing compound, ISI marked complete all as specified and directed.

S&F for 100mm bore sand cast iron soil, waste and vent pipes in any length with or without ears with cement joints, laid in trenches or in floors or fixed in wall complete all as specified and directed.

S&F for 100 mm dia cast Iron bends (any radius) diminishing piece or tapers (larger bore measured) fixed with oval access door complete as in repair all as specified and directed.

S&F for 100 mm dia cast Iron bends (any radius) diminishing piece or tapers (larger bore measured) complete as in repair all as specified and directed.

M&L for PCC (1:4:8) type D-2 (using 40 mm graded crushed stone aggregate) as in foundation, filling and mass concrete complete all as specified and directed.

M&L for 75mm thick PCC (1:3:6) type C1 (using 20mm graded crushed stone aggregate) as in plinth protection/hard standing including finishing the cement concrete surface even and smooth without using extra cement complete all as specified and directed.

M&L for PCC (1:3:6) type C2 (using 40mm graded crushed stone aggregate) as in surface channel and drains etc complete all as specified and directed.

M&L for PCC (1:2:4) type B0 (using 12.5mm graded crushed stone aggregate) as in copping of manholes / drains, benching and channel of manhole / drains, and also for bed blocks for embeddings MS rungs of manhole / septic tank including necessary form work complete all as specified and directed.

M&L for precast reinforced cement concrete (1:2:4) type B1 (using 20 mm graded crushed stone aggregate) as in cover slab of drain/manhole set in cement mortar (1:6) complete all as specified and directed. (NOTE: Cost of Form Work is deemed to be inclusive of unit rate quoted by the contractor & reinforcement shall be measured & paid Separately.)

M&L for TMT bars of quality Fe-415 grade conforming to IS: 1786 of 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 0.9 mm dia or securing with clips, complete all as directed.

M&L for 150mm bore salt glazed stone ware drain pipe grade 'A' laid in trenches and jointed in cement mortar (1:1) complete all as specified and directed.

M&L for PCC (1:3:6) type C2 (using 40mm graded crushed stone aggregate) as in concrete bed to drain pipe 150mm bore including packing under and haunching against the side of pipe after they are laid and tested complete all as specified and directed.

M&L for 100mm bore salt glazed stone ware drain pipe grade 'A' laid in trenches and jointed in cement mortar (1:1) complete all as specified and directed.

M&L for PCC (1:3:6) type C2 (using 40mm graded crushed stone aggregate) as in concrete bed to drain pipe 100mm bore including packing under and haunching against the side of pipe after they are laid and tested complete all as specified and directed.

S&F for vitreous china squatting pan 'Orissa' pattern, size 580x440mm white, with integral foot rests with P or S trap (excluding flushing cistern and flush pipe) including connection to trap, and to flushing pipe, anti-syphonage pipe etc complete including making good to floors with PCC bedding (1:5:10) type E2 (using 40mm nominal brick ballast) and connection to trap with cement mortar all as specified, and making good to floor including demolition of PCC / lime concrete bedding existing pan complete as in repairs all as specified and directed.

M&L for applying evenly a tack coat of industrial bitumen 85/25 at the rate of 1.20 Kg per Sqm including cleaning surfaces complete all as specified and directed.

S&F for GI spout made out of 25mm dia pipe, medium grade, 600mm long including making hole and making good in surfaces with cement mortar (1:3) complete as in repair all as specified and directed.

S&F for salt glazed stone ware gully trap of size 150mmX150mm square or round moulded type 'P' complete as in repair all as specified and directed.

M&L for 100mm dia cast iron floor trap with grating including jointing to waste pipe fixed in cement concrete type B-1 (1:2:4) complete as in repair all as specified and directed.

S&F for 110mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints laid in trenches or in floor complete as in repair all as specified and directed.

S&F for 110mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall etc complete as in repair all as specified and directed.

S&F for 75mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall etc complete as in repair all as specified and directed.

S&F for 110mm bore PVC (SWR) branch pieces, single (single Y) equal or unequal provided with access door complete as in repair all as specified and directed.

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

S&F for 75 mm bore PVC (SWR) bends any radius provided with access door complete as in repair all as specified and directed.

S&F for PVC (SWR) reducer socket of 110mmX75mm dia complete as in repair all as specified and directed.

Cutting holes into or through brick walls built in cement mortar and making good in cement mortar (1:3) on concrete (1:2:4) type B1 as required for superficial area exceeding 150 sqm & not exceeding 400 sqm complete all as specified and directed.

M&L for cutting into existing manhole 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 as required dia of pipe 150 mm complete all as specified and directed

M&L for mild steel framed work such as grills, gratings, etc. with ends of bars shouldered and/or forged into spikes; framed guard bars; barred iron doors; ladders, railings, framed brackets, walk ways, frame work of water tank and similar work conforming to Fe-290-0 Gde-E-165 complete all as specified & directed.

S&F for 10 Ltrs capacity, PVC valveless, syphonic action type, flushing cistern, low level, white, with inlet, ball valve, float and handle including brackets complete with all internal accessories and fixed to wall and jam nuts on both sides, PVC flush pipe 32mm dia 90cm long fixed properly to inlet of WC and making good to disturbed surfaces of wall or floor complete as in repair all as specified and directed.

S&F for 40mm bore low density polyethylene pipes (LDPE) of pressure rating 6kgf/cm2 fixed complete to wall or in floors etc. as in outlet pipe for WHB, urinal etc. complete as in repair all as specified and directed.

S&F for vitreous china wash down water closet pan (pedestal pattern), white (excluding fixing bolts, flushing cistern and flush pipe) front or back inlet with plastic seat cover including connection to drain (or outgoing pipe) and to flushing pipe, anti-syphonage pipe, etc and making good to floor complete as in repair all as specified and directed.

S&F for PVC connection pipe 15 mm size with PTMT nuts of length 450 mm complete as in repair all as specified and as directed.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing) removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

M&L for glazed ceramic coloured tiles (colour & shade as approved by GE) in vertical surface of size 450mmX 300mmX7 to 8mm thick set and jointed in neat cement slurry and pointed in coloured cement to match over and including 10 mm thick rendering of cement mortar (1:4) complete all as specified and directed.

M&L for non skid (joint free) ceramic coloured (colour & shade as approved by GE) tiles of 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.06 sqm but not exceeding 0.11 sqm, in floors etc set and jointed in neat cement slurry and pointed in colour cement to match over and including 15mm thick Screed bed or beading layer of cement mortar (1:6) for laying floor finishes complete all as specified and directed.

Dismantling of reinforced concrete drain pipes of 200mm dia (internal) jointed in cement mortar and taking out of trenches complete all as specified and directed.

M&L for 200 mm dia reinforced concrete pipes, class NP2, laid and jointed complete with collars complete all as specified and directed.

M&L for PCC (1:3:6) type C-2 (using 40mm graded stone aggregate) as in concrete bed to drain pipe 200mm bore including packing under and haunching against the side of pipe after they are laid and tested complete all as specified and directed.

S&F for galvanised iron chain link fencing with 4 mm dia of wire made up into mattresses with mesh of size 100mm x 100 mm and fixed with 10 mm dia MS round bars and straining including provision of binding wire for securing chain link fencing complete all as specified and directed after dismantling of old unserviceable chain link fencing of any type including round bars and nut & bolts etc as per relevant IS specification and as approved by GE. (Note: 10 mm dia MS round bar shall be measured and paid separately as supply only )

Dismantling posts or struts (wood, steel or R.C.C.) any section, including taking out embedded portion and making good disturbed ground embedded in concrete, brick work, masonry etc complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description etc all as directed.

S&F for galvanised, 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings & straining & fixing to any type of standard rails straining bolts, including, securing or tying at crossings with & provision of galvanised mild steel wire, staples or steel pins, etc. complete after taking down old unserviceable galvanised steel barbed wire all as specified and directed (Each line of wire to be measured).

S&F for mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, exceeding 5cm not exceeding 10cm long with shank 11 to 15mm dia complete as in repair all as specified and directed.

Supply only MS round bars 10mm dia for securing chain link fencing fixed to RCC/steel fencing posts as directed by Engineer-in-Charge as per Fe-410-S or 0.

S&F for mild steel flat iron including all necessary drilling, bolting or riveting etc and similar work for securing chain link as in repair complete conforming to Fe-290 Gde E-165 complete as in repair all as specified and directed.

S&F for rolled mild steel as in joist, channel, angle or tee section, fixed independently with connecting base plate etc as in fencing post, strut bend to shape, holes drilled/notches cut out to received MS bolts and barbed wire, embedded to concrete including tarring to steel work embedded to concrete complete as in repair all as specified and directed.

M&L for applying two coats of synthetic enamel paint over and including a coat of red oxide primer after preparation of new steel surfaces of any description over 10cm width or girth complete all as specified and directed.

M&L for applying two coats of synthetic enamel paint over and including a coat of red oxide primer after preparation of new steel surfaces of any description not exceeding 10 cm width or girth complete all as specified and directed.

M&L for applying two coats of cement based paint over a coat of alkali resistance primer on newly plastered surface of walls including preparation of surface complete all as specified and directed.

M&L for 60mm thick machine pressed precast concrete interlocking paver block any shape and size with grey cement and pigment confirming to IS 15658-2008 (M-35 grade) over in and including 50mm thick compacted sand cushioning after demolition /dismantling of existing paver block, footpaths, aprons etc complete all as specified and directed.

M&L for 75mm thick PCC (1:3:6) type C2 (using 40mm graded crushed stone aggregate), as in sub base or floor etc finishing cement concrete surfaces even & smooth without using extra cement complete all as specified and directed.

M&L for pre-polished coloured chequered cement concrete tiles 30cm x 30cm x 25mm thick (glossy type), set, jointed and pointed in neat cement slurry in floors with grey cement and pigments over and including 15 mm thick cement screed bed in cement mortar (1:6) including dismantling old tiles complete all as specified and directed.

S&F for anti-skid scratch resistant coloured paving tiles of size 300mmX300mmX10mm (colour & shade as approved by GE) as in floors etc set and jointed with neat cement slurry and pointed in colour cement to match over and including 10 mm thick screed bed of cement mortar (1:4) complete all as specified and directed.

S&F for 75 mm bore PVC (SWR) vent cowl complete all as specified and directed.

SENCO

MAZUMDER AND CO