REPAIR AND CLEANING OF SEWAGE LINE AND STORM WATER DRAIN, MANHOLES, MAINT OF AREA DRAINAGE, REPAIR REPLACEMENT OF MANHOLE COVER AND ALLIED WORKS INSIDE FORT WILLIAM UNDER GE(FW) KOLKATA

Amount

Dismantling of cast iron or reinforced concrete drain pipes, jointed in cement mortar and taking out of trenches of 150 mm internal dia complete all as specified and as directed.

All as per Item No. 01 above, but for 100 mm bore pipes

Demolition and breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) 150 mm set in cement mortar complete all as specified and as directed.

All as per Item No. 03 above, but for demolition and breaking up drain pipes 200 mm bore drain pipes

All as per Item No. 03 above, but for demolition and breaking up drain pipes 300 mm bore drain pipes

All as per Item No. 03 above, but for demolition and breaking up drain pipes 450 mm bore drain pipes

Demolition of Brick Work built in Cement Mortar including all Quoins, Arches, Pillars, etc. of any descriptions, complete all as specified and as directed.

Demolition of cement concrete (unreinforced) in ground floors and pavings not exc 150 mm thickness (above or below groud level) and removal of debris outside MOD land complete all as specified and directed.

Demolition of cement concrete (reinforced) of any description and in any position not otherwise specifically provided for and removal of debris outside MOD land and disposed off complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed.

Dismantling of floor, hearth or wall tiling incl cement mortar bedding (but not backing) removing tiles from site and rubbish off the premises complete all as specified and directed.

Taking down Cement Plaster of any description on Brick Walls, Concrete Surfaces including racking out joints, hacking for key, scrubbing down with Water, remove dust, debris/ rubbish, etc., complete all as specified and as directed.

Excavation in trenches n exc 1.50 m wide and n exc 1.50m depth for foundation etc or for shafts, wells, cess pits, manholes, pier holes etc not exc 10 Sqm on plan and not exc. 1.50 Metre in depth and getting out as in soft/loose Soil, complete all as specified and as directed.

All as per Item No. 13 above, but excavation in road/hardstanding and getting out

Removing excavated materials not exc 50 m and depositing where directed at a level not exc 1.50 m above the starting point complete all as Specified and as directed.

Returning filling in incl spreading , levelling , watering and well ramming in layers not exc 25 cm as in soft/ loose Soil, complete all as Specified and as directed.

M&L for plain cement concrete (1:4:8) type D2 using 40 mm graded stone aggregates in foundation filling and mass concrete complete all as specified and directed.

M&L for plain cement concrete (1:2:4) type B2 using 40 mm graded stone aggregates in foundation filling and mass concrete complete all as specified and directed.

M&L Brick Work with Sub-Class ‘B’ fly-ash Bricks (with Old Size Bricks), Straight or Curved on Plan exc. 6.0 Metre mean Radius, built in Cement Mortar 1:6, complete all as specified and as directed.

All as per Item No. 19 above but except bricks complete all as specified and directed . (Note: Serviceable bricks obtained from demoition shall be reused)

M&L Brick Work with Sub-Class ‘B’ fly-ash Bricks Half-Brick thick, Old Size, built in Cement Mortar 1:4, Straight or Curved on Plan to any Radius, complete all as specified and as directed.

M&L for providing Plain Cement Concrete (1:3:6) type C1 using 20mm graded stone aggregate as in surface channel and drain completed all as specified and directed.

M & L for extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mi- tred/stopped ends etc completed all as specified and directed.

M&L TMT Bars 10 mm dia and over, cut to length, bent to shape required including crank-ing, bending and binding with and including Mild Steel Wire (annealed) not less than 0.90 mm, complete all as specified and as directed.

M&L TMT Bars 6-8 mm dia and over, cut to length, bent to shape required including crank-ing, bending and binding with and including Mild Steel Wire (annealed) not less than 0.90 mm, complete all as specified and as directed.

M & L for providing precast RCC 1:1½:3, type A1 (nominal mix) type A1 using 20 mm graded stone aggregates, set and laid in cement mortar 1:4 in landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces including necessary formwork, moulds, etc complete all as specified and as directed. (NOTE: MS reinforcement shall be measured and paid seperately)

M&L for RCC 1:1½:3, type A1 (nominal mix) type A1 using 20 mm graded stone aggregates in slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and the like complete all as specified and directed. (NOTE: MS reinforcement shall be measured and paid seperately)

M&L for formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200 mm thick (horizontal or sloping) for fair finished surfaces complete all as specified and directed.

M&L for formwork to edges of concrete flats, treads, breaks in floors, window cills, concrete railings, openings in concrete walls, floor and roofs and similar work exc 10 cm but n exc 20 cm wide for rough finished surfaces complete all as specified and directed.

M&L for Cement Concrete type B-1, (1:2:4) using 20mm graded crushed stone aggregate in copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed including use and waste formwork (straight or curved) complete all as specified and as directed.

Supply and laying 450 mm bore reinforced concrete pipe of Class NP-2, laid and jointed with jute & cement mortar 1:1, complete with collars all specified and as directed.

All as per Item No. 31 above, but 300 mm bore RCC pipe

All as per Item No. 31 above, but 200 mm bore RCC pipe

All as per Item No. 31 above, but 150 mm bore RCC pipe

M&L concrete bed to drain pipe including packing under and haunching against the side of drain pipe after laid and tested in PCC 1:3:6 type C2 for 450 mm bore pipes complete all as specified and directed.

All as per Item No. 35 above, but PCC bed for 300 mm bore pipe

All as per Item No. 35 above, but PCC bed for 200 mm bore pipe

All as per Item No. 35 above, but PCC bed for 150 mm bore pipe

All as per Item No. 35 above, but PCC bed for 100 mm bore pipe

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

All as per Item No. 40 above, but 100 mm bore pipes fixed on walls

S&F Cast iron (sand cast) soil, waste and vent pipes 150 mm bore of any length with or without ears with cement joints all as specified laid in trenches or in floors complete all as specified and directed.

All as per Item No. 42 above, but 150 mm bore pipes fixed on walls

S&F CI bends for 100mm pipe (any radius) diminishing piece or tapers (large bore measured) complete all as specified and directed.

S&F 100 mm bore cast iron (sand cast) bends with access door (any radius), diminishing pieces or tapers (larger bore to be measured) complete all as specified and as directed.

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

S&F Cast Iron Branch Piece 100mm bore (dia) single (equal or unequal), ordinary or inverted (spigot or socket type) with Parallel Branches fitted with Oval Access Door including Jointing with Cement Mortar 1:1, fixed complete all as specified and directed.

S&F 100mm bore cast iron cowls complete all as specified and directed.

S&F CI bends for 150mm pipe (any radius) diminishing piece or tapers (large bore measured) complete all as specified and directed.

S&F Cast Iron Branch Piece 150mm bore (dia) single (equal or unequal), ordinary or inverted (spigot or socket type) with Parallel Branches fitted with Oval Access Door including Jointing with Cement Mortar 1:1, fixed complete all as specified and directed.

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

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

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

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

M&L for 15 mm thick rendering in cement mortar (1:6) to brick or concrete wall surfaces, finished even and smooth without using extra cement complete all as specified and as directed.

M&L for rendering 15mm thick on fair faces of brickwork or concrete surfaces in cement mortar 1:4, mixed with liquid water proofing compound as per manufacturer's instruction, surfaces finished even and smooth without using extra cement complete all as a specified and as directed. (NOTE: Water proofing compound shall be measured and paid seperately)

M&L for rendering 5mm thick in cement mortar 1:3 to concrete surfaces and finished even and smooth without using extra cement complete all as specified and directed.

Supply only integral water proofing compound all as specified and as directed.

M&L Preparing new Surfaces of wall and applying Three coats of white wash complete all as specified and as directed.

M&L for preparation of new plastered surfaces and applying two coats of cement base paint over a coat of chalk whiting complete all as specified and directed.

S&F Non Skid joint free coloured tiles 7-8mm thick area of each tiles exc 0.11Sqm but n. exc 0.18 sqm, as in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match, laid over and incl 15mm thick screed bedding in cement mortar 1:4 complete all as a specified and as directed

S&F Non Skid joint free coloured tiles 7-8mm thick area of each tiles exc 0.06 Sqm but n. exc 0.11 sqm, as in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match, laid over and incl 15mm thick screed bedding in cement mortar 1:4 complete all as a specified and as directed

S&F coloured glazed ceramic tiles in vertical surfaces 450 X 300 X 7-8mm thick set and jointed in neat cement slurry and pointed in white or coloured cement to match, fixed over and incl 10mm thick rendering in cement mortar 1:3 complete all as specified and directed.

S&F coloured glazed ceramic tiles in vertical surfaces 300 X 200 X 7mm thick set and jointed in neat cement slurry and pointed in white or coloured cement to match, fixed over and incl 10mm thick rendering in cement mortar 1:3 complete all as specified and directed.

Cutting into existing manholes for connecting new drains, making good to pipes 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 (using 20 mm graded stone aggregate), finished smooth and reforming benching for 100 mm bore pipe as required and as directed by the Engineer-in-Charge.

All as per Item No. 65 above, but for 150 mm bore pipe

All as per Item No. 65 above, but for 200 mm bore pipe

Cutting of existing RCC hume pipe, any size and at any depth for construction of new manhole in existing line of size as per site requirement including repairing of edge of RCC hume pipe with cement mortar 1:1 and removal of cut portion of pipe from site complete all as specified and directed. (NOTE: Items for manhole & earthwork, excavation in hard surface/black top surface etc shall be measured and paid seperately)

M&L for mild steel in framed work such as grills, gratings, etc. with ends of bars shouldered and /or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290 Gde-E-165 all as specified and directed by Engineer-in-Charge.

S&F in repair Cast iron work grade FG -150 unmachined in brackets, gratings, railing, frames, manhole covers and similar articles, weight not exc 5 Kg each complete all as specified and as directed.

M&L Cement Concrete type C2 (1:3:6) using 40mm graded crushed stone aggregate 75mm thick as in Plinth Protection, / sub bases etc. laid in alternate Bays, finished Concrete Surfaces Even and Smooth without using Extra Cement, complete all as specified and as directed.

M&L for 40mm thick PCC (1:2:4) type 'B-1' (using 20mm graded crushed stone aggregate) as in floor, path etc, laid in alternate bays, surfaces finished even and smooth without using extra cement complete all as specified and directed.

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

Cleaning of existing covered / uncovered (partly / semi or fully filled up) drain, of any opening width and depth by removing and re-fixing of cover-slab (wherever applicable) taking out accumulated silt, mud, earth, rubbish, vegetation etc from the drain, washing of the drain with water and removing the same to a distance outside MOD complete all as directed by the Engineer-in-Charge.

S&F RCPC (Reinforced Cement Polymer Concrete) grating slab of size 1200 mm x 450 mm x 75 mm thick, fixed in proper position, as in repairs, complete as directed by Engr-in -Charge.

S&F RCPC (Reinforced Cement Polymer Concrete) grating slab of size 900 mm x 450 mm x 75 mm thick, fixed in proper position, as in repairs, complete as directed by Engr-in -Charge.

S&F RCPC (Reinforced Cement Polymer Concrete) grating slab of size 600 mm x 450 mm x 75 mm thick, fixed in proper position, as in repairs, complete as directed by Engr-in -Charge.

S&FRCPC (Reinforced Cement Polymer Concrete) grating slab of size 600 mm x 450 mm x 50 mm thick, fixed in proper position, as in repairs, complete as directed by Engr-in -Charge.

S&F RCPC (Reinforced Cement Polymer Concrete) heavy duty grating slab of size 700mm dia with 12 MT, fixed in proper position complete, as in repairs, all as specified & directed by Engr-in-Charge.

S&F RCPC (Reinforced Cement Polymer Concrete) heavy duty grating slab of size 750 mm dia with 12 MT, fixed in proper position, as in repairs, complete all as specified & directed by Engr-in-Charge.

Taking out of interlocking paver block, any shape or size and Re-laying the same after removing all vegetation, algae, grass etc, laid to proper slope & gradient over sand cushioning complete all as specified and directed. (NOTE: Sand, if required for correction of cushioning level will be measured and paid seperately. Replacement of broken paver block shall be paid seperately as "Supply only")

Supply only machine pressed precast concrete interlocking paver block with grey cement and pigment any shape and size confirming to IS:15658-2006 of 60 mm thickness M-35 Grade with grey cement and pavement complete all as specified and as directed.

M&L for laying pre-polished 60mm thick factory made chamfered edge cement concrete paver block of M-35 grade with approved colour, design & pattern as in footparth, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size/shape, made by table vibratory method using PU mould, laid in required colour & pattern complete all as specified and directed. (NOTE: Sand for cushioning level will be measured and paid seperately)

M&L Sand filling under floors under paver block, thickness not exc 50 mm including consolidation complete all as specified and as directed

S&F in position, at or near ground level, factory made precast cement concrete kerb stone blocks, in M-25 grade cement concrete, fixed to the required line, level and curvature, jointed in cement mortar 1:3, including making joints with or without grooves (thickness of joints, except at sharp curves shall not be more than 5 mm) including making drainage opening wherever required complete all as specified and directed.

Cleaning of sewage line/ storm water line of 450 mm bore by mechanically using trolley mounted water jetting machine including dewatering, de-silting and well flushing the line with water and tesing on comletion complete as directed by the Engineer- in- Charge.

All as per Item No. 86 above but for cleaning of 300 mm bore sewage line/storm water line

All as per Item No. 86 above but for cleaning of 200 mm bore sewage line/storm water line

All as per Item No. 86 above but for cleaning of 150 mm bore sewage line/storm water line

Cleaning of sewage line/ storm water line of 450 mm dia, manually (by pushing a piece of bamboo split, tied with gunny bags at one end from one manhole to another manhole) and well flushing the line with water and tesing on completion complete as directed by the Engineer- in- Charge. (NOTE: This item shall be executed only on urgent requirement)

All as per Item No. 90 above but for cleaning of 300 mm bore sewage line/storm water line

All as per Item No. 90 above but for cleaning of 200 mm bore sewage line/storm water line

All as per Item No. 90 above but for cleaning of 150 mm bore sewage line/storm water line

All as per Item No.90 above but for cleaning of 100 mm bore sewage line/storm water line

Cleaning of Manhole chamber of any size, upto depth 1.0 metre each, mechanically, removing muck/sludge/silt/mud, liquid etc under any position including foul condition and cleaning the inlet and outlet with water, placing back the manhole cover in position and disposing off the sludge/debris out of MOD land complete all as specified and directed.

All as per Item No. 99 above, but for mechanical cleaning of manhole of depth exc 1.0 m but not exc 2.0 m

All as per Item No. 95 above, but for mechanical cleaning of manhole of depth exc 2.0 m but not exc 3.5 m

Taking up old manhole cover with frame (heavy duty) and raising / refixing in proper position, set in cement mortar 1:3 and haunching with PCC 1:2:4 type B-1 (using 20mm graded crushed stone aggregate) concrete surround finished even and smooth without using extra cement all as directed by the Engineer-in-Charge.

Taking up/down plants or vegetation growth wall upto roof level by means of cutting hole into brickwall and making good the surface of dismatled portion (not exc 150 sqm cm superficial area and not exc one brick depth) using brick bats/aggregate and plastering in cement mortar (1:4) to distributed portion and applying two coat of cement base paint to match existing surface up to fourth floor complete all as specified and directed.

S&F in repairs Vitreous china, white, half stall urinal flat back with grating and union for discharge pipe (excl flush pipe and flushing cistern) complete including providing and fixing plugs, bedding urinal against wall in cement mortar 1:2, securing urinal to plugs with and including 60mm long brass screws, pointing around urinal back in cement; fixing flush pipe, grating and Union for discharge pipe incl providing 32mm bore PVC discharge pipe complete all as specified and directed. (Make of Urinal : CERA, Model: CARYS / HINDWARE, Cat No: CORTO / PARRYWARE, Model: Aquaseal N )

S&F in repair Vitreous china, white, full stall urinal flat back with grating and union for discharge pipe (excl flush pipe and flushing cistern and waste pipe) complete including providing and fixing plugs, bedding urinal against wall in cement mortar 1:2, securing urinal to plugs with and including 60mm long brass screws, pointing around urinal back in cement; fixing flush pipe, grating and Union for discharge pipe complete all as specified and directed. (Make of Urinal : CERA, Model: CAPRIANA / HINDWARE, Model: FLAT BACK LARGE / Jaquar, Cat No: URS-WHT-13261/PARRYWARE, Model: New Magnum)

S&F in repair vitreous china (white) wash down anglo-indian water closet pan (semi-pedestal pattern) with 'P' or 'S' trap front or back inlet, fixing bolts (except flushing cistern and flush pipe) incl plastic water closet seat cover (white) and mild steel chromium plated or aluminium hinging device complete all as specified and directed. (Make : Parryware, Model : Universal / CERA, Model: Universal / HINDWARE, Model: Universal / ESSCO, Cat No: ECS-WHT-355PNPP )

S&F in repair vitreous China Squatting pan ‘Orissa’ pattern, size 580 X 440 mm, white, with integral foot rests (excluding flushing cistern and flush pipe) including connection to trap and to flushing pipe, etc and including making good to floor, complete all as specified and directed. (MAKE : PARRYWARE, Cat No. C0117 / HINDWARE, Cat No. 20004 / JAQUAR, Cat No. CNS-WHT-OP01 / CERA, Model: COVY)

S&F in repair Vitreous China Wash Hand Basin 550mm x 400mm in size, white, Flat Back or Angle Back Type, making good disturbed Surfaces in Cement Mortar 1:3, providing CP waste coupling and PVC waste pipe and connected Items, complete all as specified and directed. (Make of WHB : PARRYWARE, Model: FLAIR / HINDWARE, Model: MARIO / JAQUAR, Model: CONTINENTAL / CERA, Model: CLAIR/ASIAN PAINTS, Model: SIRIUS) (NOTE: Quoted rate shall be deemed to be inclusive of the cost of brackets, waste coupling and waste pipe)

S&F in repair 10 ltrs capacity PVC valveless, syphonic action type, flushing cistern, low level, white, with inlet, ball valve, float and handle including brackets and incl with flush pipe of polyethylene of low or high density or PVC. 32 mm dia, for low level cistern complete all as specified and directed. (MAKE : PARRYWARE, Model : Slim line Economy / HINDWARE, Model : Sleek Plus / CERA, Model : Corona / PRAYAG, Model: SMART /ESSCO, Cat No: WHE-WHT-183NL/ASIAN PAINTS, Model: TREND)

S&F in repairs vitreous china (white) wash down water closet pan (pedestal pattern) with 'P' or 'S' trap front or back inlet, fixing bolts (except flushing cistern and flush pipe) incl plastic water closet seat cover (white) and mild steel chromium plated or aluminium hinging device complete all as specified and directed. (Make : Parryware, Model : Elite / JAQUAR, Model: Continental / CERA, Model: Conventional / HINDWARE, Model: SLICK)

S&F CP bottle trap with internal portion 32mm size with 190mm long wall connection pipe complete all as specified and directed (Make: Essco, Cat No: ALE-773AL190X125 / ESS ESS, Cat No: C-231C / PRAYAG, cat No: BEA-26 / SOMANY, Model: ETHER)

S&F in repairs Low density polythelene pipe connection, comprising of 15 mm dia 450 mm long having PTMT union at each end complete all as specified and directed. (MAKE : PRAYAG, Cat No. 323 / POLYTUF, Cat No. 4003 / ESS ESS, Cat No: B2CH118 or equivalent model in SHAKTI / JEXON)

Attending day to day complaints for desilting of blockage/blocked manhole of any size but depth not exc 1.0 m, manually including removing carefully RCC/PCC/MS/CI cover slab of any type, thickness or size and refixing the same after necessary cleaning, watering etc and disposal of sludge complete all as specified and directed.

Attending dat to day cleaning of blocked nahni / floor trap (of any size /type) including connected GI / CI pipe line (of any bore) upto gully trap / 1st manhole as directed by the Engineer-in-Charge.

Attending day to day cleaning of blocked waste line (of any bore) from sink / urinal / wash- hand basin to floor trap manually (by pushing a piece of bamboo split, tied with gunny bags at one end to other) including dewatering and well flushing the line with water and testing on completion complete as directed by the Engineer-in-Charge.

Attending day to day cleaning of blocked water closet (of any type/pattern) including connected CI pipe line (of any bore) upto 1st manhole and well flushing with water and testing on completion complete all as specified and directed. NOTES FOR ITEM NO 109 TO 112: 1) Disposal of sludge obtained shall be disposed of in pit made by contractor and shall be covered with soil duly disinfected with adequate qty of bleaching powder. Quoted rate shall deemed to inclusive of the above aspect. No claim shall be entertained at a later stage. 2) Quoted rate of contractor shall be deemed to include for all tools & plants and other allied materials required for making sewage line functional. 3) Contractor shall depute his labour/supervisor for receiving daily complaints from MES complaint Cell or concerned JE and ensure prompt clearance of blockage/complaint within 08 hours.

RST ENTERPRISE

P N GUPTA AND SONS

M/S. CHAKRABORTY ENTERPRISE

SOVA ENTERPRISE

MAZUMDER & CO

GAYATRI ENTERPRISE

MARUTI ENTERPRISES

M. M. C. AND CO

NICE INFOTECH

ROY CONSTRUCTION