MISC REPAIRS OF MAN HOLES, SEPTIC TANKS ETC AND CLEANING, REPAIR/REPLACEMENT OF SEWAGE LINE, MANHOLES COVER, REPAIRS OF FENCING, DRAIN, PATH AND GATE PILLARS ETC AT MIL STN KANCHRAPARA UNDER GE BARRACKPORE

Amount

Opening cover, 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 and 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 @ 200 gm per Sqm for disinfections purpose complete all as specified and directed.

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 and depositing in excavated pits (required size and depth) exceeding 50m but not exceeding 100m. Top layers of excavation pit covered by layers of 150mm thick earth spreading with bleaching powder @ 200 gm per Sqm for disinfections purpose complete all as specified and directed. ground to a distance not exceeding 50 mtr complete all as specified and directed.

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 to get 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 and depositing in excavated pits (required size and depth) exceeding 50m but not exceeding 100m. Top layers of excavation pit covered by layers of 150mm thick earth spreading with bleaching powder @ 200 gm per Sqm for disinfections purpose complete all as specified and directed.

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 to get 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 and depositing in excavated pits (required size and depth) exceeding 50m but not exceeding 100m. Top layers of excavation pit covered by layers of 150mm thick earth spreading with bleaching powder @ 200 gm per Sqm for disinfections purpose complete all as specified and directed. (Note for Item No. 1.00 to 4.00 : 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. )

Taking out old brick bats of any size from filter bed segregating serviceable brick bats and unserviceable brick bats cleaning the waste material from surface of serviceable brick bats by flushing with water, keep aside serviceable brick bats for reuse complete all as specified and directed.

Labour only for loose filling with brick bats in filter bed complete all as specified and directed. (Note: All serviceable brick bats obtained from Item No.5.00 shall be reused)

M&L for loose filling with brick bats in filter bed gauge 80 to 150 mm in filter bed complete all as specified and directed.

Taking out of existing Nahani trap/floor trap CI grating and cleaning of sludges/slit from Nahani trap/floor trap including roding CI pipe from Nahani trap/floor trap to gulley trap etc in position including removing of rubbish/sludge to a distance exceeding 250m not exceeding 500 m complete all as specified and directed.

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.

Taking out blockage of gulley trap cover and CI grating and cleaning of sludges/silt from gully traps including taking out blocked waste/silt and mud to first manhole and placing the existing CI grating, gully trap cover etc in original position, including removal and washing down throughly for free flowing complete all as specified and directed.

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

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed.

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

Dismantling of cast iron or reinforced concrete drain pipe of 100 mm bore jointed in cement mortar and taking out of trenches or wal complete all as specified and directed.

Dismantling of cast iron or reinforced concrete drain pipe of 75 mm bore jointed in cement mortar and taking out of trenches or wal 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 of breaking up drain pipe of 150 mm internal dia (salt glazed ware) set in cement mortar complete all as specified and directed.

Demolition of breaking up drain pipe of 100 mm internal dia (salt glazed ware) set in cement mortar complete all as specified and directed.

Dismantling structural steel work of tubular purlins including doors, gates but excluding framed truss etc. complete all as specified and directed.

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 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.

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks etc including cleaning or refixing or removal to store (measured overall as fixed along the centre line over fittings and accessories) 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 etc not exceeding 10 Sqm on plan and not exceeding 1.5 mtr in depth and getting out in soft/loose soil complete all as specified and directed.

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

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

M&L for brick work with sub class 'B' bricks locally available best quality straight or curved on plan exceeding 6m mean radius, built in cement mortar (1:4) complete all as specified and directed.

M&L for brickwork with subclass 'B' bricks locally available best quality , 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 brick work or concrete surfaces of wall, finished even and smooth without using extra cement 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 complete all as specified and directed.

S&F for 75mm 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 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 fixed to walls complete all as specified and directed.

S&F for 75mm bore sand cast iron soil, waste and vent pipes in any length with or without ears with cement joints fixed to walls complete all as specified and directed.

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

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

S&F of 75 mm dia Cast Iron bends (any radius) diminishing piece or tapers (larger bore measured) complete all as specified and directed.

S&F of 75 mm dia Cast Iron bends (any radius) diminishing piece or tapers (larger bore measured) fixed with oval access door complete all as specified and directed.

S&F of 100mm dia CI branch pieces, single (equal or unequal), ordinary or inverted (spigot or socket type) or with parallel branches complete all as specified and directed.

S&F of 100mm dia CI branch pieces, single (equal or unequal), ordinary or inverted (spigot or socket type) or with parallel branches fitted with oval access door complete all as specified and directed.

S&F of 75mm dia CI branch pieces, single (equal or unequal), ordinary or inverted (spigot or socket type) or with parallel branches complete all as specified and directed.

S&F of 75mm dia CI branch pieces, single (equal or unequal), ordinary or inverted (spigot or socket type) or with parallel branches fitted with oval access door complete 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 C2 (using 40mm 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 extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/ stopped ends etc complete all as specified and directed.

M&L for PCC (1:2:4) type B1 (using 20mm 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 and similar articles set in cement mortar (1:4) complete all as specified and directed. (NOTE: Cost of Form Work is deemed to be inclusive of unit rate quoted by the contractor and reinforcement shall be measured and paid Separately.)

S&F of TMT bars 6mm to 8mm dia and over cut to length bent to shape as 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 complete all as specified and directed.

M&L for TMT bars 10 mm dia and over cut to length bent to shape as 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 complete all as specified and 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 of 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 (1:4:8) type D2 using 40mm nominal brick ballast and connection to trap with cement mortar, and making good to floor complete 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 surface complete all as specified and directed.

M&L for PCC (1:5:10) type E-2 (using 40 mm graded crushed stone aggregate) as in foundation filling and mass concrete complete all as specified and directed.

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

S&F of salt glazed stone ware gully trap of size 150mmX150mm square or round mouthed type including jointing to drain pipe in CM (1:1) complete 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 all as specified and directed.

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

S&F for 110 mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall including taking down old unserviceable pipe complete 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 including taking down old unserviceable pipe complete all as specified and directed.

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

S&F of 110 mm bore PVC (SWR) bends any radius provided with access door complete all as specified and directed.

S&F of 110mm bore PVC(SWR) junction single, (double T) equal or unequal complete all as specified and directed.

S&F of 110mm bore PVC(SWR) junction single, (single T) equal or unequal providing access door complete all as specified and directed.

S&F for 110mm bore PVC(SWR) junction single, (double T) equal or unequal complete all as specified and directed.

S&F for 110mm bore PVC(SWR) junction single, (double T) equal or unequal providing access door complete all as specified and directed.

S&F for 110 mm bore PVC (SWR) branch piece, double (double Y) equal or unequal complete all as specified and directed.

S&F of 110 mm bore PVC (SWR) branch piece, double (double Y) equal or unequal provided with access door complete all as specified and directed.

S&F of 75 mm bore PVC (SWR) bends any radius complete all as specified and directed.

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

S&F of 75mm bore PVC(SWR) junction single, (single T) equal or unequal complete all as specified and directed.

S&F of 75mm bore PVC(SWR) junction single, (single T) equal or unequal providing access door complete all as specified and directed.

S&F for 75 mm bore PVC(SWR) junction single, (double T) equal or unequal complete all as specified and directed.

S&F for 75 mm bore PVC(SWR) junction single, (double T) equal or unequal providing access door complete all as specified and directed.

S&F of 110 mm bore PVC (SWR) vent cowl complete all as specified and directed.

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

M&L in repairs for PVC (SWR) 'P’ trap of 110mm bore complete complete all as specified and directed.

M&L in repairs for PVC (SWR) 'S’ trap of 110mm bore complete all as specified and directed.

M&L for cutting holes into or through brick walls built in cement mortar and making good in cement mortar (1:3) or concrete (1:2:4) type B1 as required for superficial area exceeding 150 sqcm & not exceeding 400 sqcm 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

S&F of 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 and directed.

S&F in repairs of 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 suitable for low level cistern fixed properly to inlet of WC and making good to disturbed surfaces of wall or floor complete all as specified and directed.

S&F of 50 mm 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. Including taking down old unserviceable pipes complete all as specified and directed.

S&F in repairs of vitreous china wash down water closet pan (pedestal pattern) white with P or S trap (excluding flushing cistern & flush pipe) including connection to trap & to flushing pipe, anti-syphonage pipe & seat cover etc. including making good to floor complete all as specified and directed.

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

M&L for glazed ceramic coloured tiles in vertical surface of size 450 mmX 350 mmX7 mm thick or equivalent set and jointed in neat cement slurry and pointed in coloured cement to match over and including 10 mm thick rendering of cement mortar (1:3) complete all as specified and directed.

M&L for non skid (joint free) ceramic coloured tiles of 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm, in floors etc set and jointed in neat cement slurry and pointed with white cement mixed with pigment to match with shed of tiles over and including 15mm thick screed bed or beading layer of cement mortar (1:4) for laying floor finishes complete all as specified and directed.

Demolition of RCC drain pipe 200mm internal dia jointed in cement mortar and taking out form 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 C2 (using 40mm graded stone aggregate) for concrete bed to drain pipe for 200 mm internal dia including packing under and haunching against the sides of pipes after they are laid and tested complete all as specified and directed.

M&L for applying two coats of synthetic enamel paint (1st grade quality) over 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 three coats of white wash on wall surface including preparation of new plastered surface complete all as specified and 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. after and including taking down old unserviceable galvanised steel barbed wire complete all as specified and directed. (Note: Each line of wire to be measured).

Supply only galvanized steel wire chainlink fencing 100mmX100mm mesh, including binding wire/line wire etc 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) laying over and including 50mm thick sand filling complete all as specified and directed.

M&L for broken brick hardcore of gauge not exceeding 63mm, deposited spread and levelled in layers not exceeding 15cm thick, watered and rammed to a true surface complete all as specified and directed.

Fixing only galvanized steel wire chain link fencing 100mmX100mm mesh, fixed to RCC fencing post with bolts etc including fixing of binding wire/line wire etc complete all as specified and directed. (Note: Supply of galvanized steel wire chain link fencing, mild steel round bars, mild steel flat, nuts, bolts & washers will be measured and paid separately)

S&F for mild steel screw bolts (machine made) 11 to 15mm with hexagonal head at one end and screwed the other end, each screw end to be fitted with two washers and one hexagonal or square nut, length of bolts 50mm to 100mm complete all as specified and directed.

M&L for 100mm thick PCC (1:2:4) type B2 (using 40mm graded crushed stone aggregate), as in sub base complete all as specified and directed.

Supply only MS round bars 10mm dia for securing chain link fencing fixed to RCC fencing posts as per Fe-410-W (Gde- E-250) quality 'A' or Fe-290 (Gde E-165) complete all as spcrified and directed. (Note: Measurement to be used in Item No. 99.00 above)

M&L for 75mm thick PCC (1:3:6) type C2 (using 40mm graded crushed stone aggregate), as in sub base complete all as specified and directed.

M&L for brickwork with subclass 'B' bricks locally available best quality , one brick thick honey comb walling, built in CM (1:4) complete all as specified and directed.

MAZUMDER AND CO

BEE ROMEN

S..S. ELECTRIC CO.

DAS ENTERPRISE

M/S RAJESH TRADING CO

SHARMA CONSTRUCTION

N S CONSTRUCTION