REPAIR TO SEWAGE LINES, CLEANING AND CLEARING OF BLOCKAGES, REPAIR OF MANHOLES, COLLECTION CHAMBERS AND ALLIED SEWAGE WORKS AT INSIDE FORT WILLIAM UNDER GE (FW) KOLKATA

Amount

Cleaning of sewage line of 300mm bore either manually (by pushing a piece of bamboo split, tied with gunny bags at one end from one manhole to another manhole) or by mechanically operated pump including dewatering, desilting and well flushing the line with water and testing on completion complete as directed by the Engineer-in-Charge.

Cleaning of sewage line of 200 mm bore either manually (by pushing a piece of bamboo split, tied with gunny bags at one end from one manhole to another manhole) or by mechanically operated pump including dewatering, desilting and well flushing the line with water and testing on completion complete as directed by the Engineer-in-Charge.

Cleaning of sewage line of 150 mm bore either manually (by pushing a piece of bamboo split, tied with gunny bags at one end from one manhole to another manhole) or by mechanically operated pump including dewatering, desilting and well flushing the line with water and testing on completion complete as directed by the Engineer-in-Charge.

Cleaning of sewage line of 100 mm bore either manually (by pushing a piece of bamboo split, tied with gunny bags at one end from one manhole to another manhole) or by mechanically operated pump including dewatering, desilting and well flushing the line with water and testing on completion complete as directed by the Engineer-in-Charge.

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 de-watering and well flushing the line with water and testing on completion complete as directed by the Engineer-in-Charge.

Cleaning of blocked water closet (of any type / pattern) including connected CI pipe line (of any bore) up to 1st manhole as directed by the Engineer-in-Charge.

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

Cleaning of manhole chamber of depth not exceeding 1.50 metre each, by taking out accumulated sludge, silt, mud etc and removing the same at a distance not exceeding 50 metre (where directed), washing and well flushing of the manhole chamber with water complete as directed by the Engineer-in-Charge.

Cleaning of manhole chamber of depth exceeding1.5 metre but not exceeding 2.5 metre each, by pumping out deposited water, taking out accumulated sludge, silt, mud etc and removing the same at a distance not exceeding 50 metre (where directed), washing and well flushing of the manhole chamber with water complete as directed by the Engineer-in-Charge.

Cleaning of manhole chamber of depth exceeding 2.5metre but not exceeding 3.5 metre each, by pumping out deposited water, taking out accumulated sludge, silt, mud etc and removing the same at a distance not exceeding 50 metre (where directed), washing and well flushing of the manhole chamber with water complete as directed by the Engineer-in-Charge.

Demolition of cement concrete of any description not other wise specifically provided for plinth, paving, surface channel, drain etc complete all as specified and directed.

Demolition of cement concrete (reinforced) of any description and in any position not otherwise specifically provided for, all as specified and as directed by the Engineer-in-Charge.

Demolition of brick work built in cement mortar including all quoins, arches, pillars etc all as specified and as directed by the Engineer-in-Charge.

Taking down cement plaster on brick or concrete wall surface including racking out joints, hacking for key, scrubbing down with water etc all as specified and as directed by the Engineer-in-Charge.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing tiles from site and rubbish off the premises all as directed by the Engineer-in-Charge.

Dismantling of 100 mm bore cast iron (sand cast) soil, waste or reinforced concrete drain pipes, jointed in cement mortar and taking out of trenches, if required all as specified and as directed by the Engineer-in-Charge.

Dismantling of 150 mm bore cast iron (sand cast) soil, waste or reinforced concrete drain pipes, jointed in cement mortar and taking out of trenches, if required all as specified and as directed by the Engineer-in-Charge.

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

Demolition and breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) 200 mm set in cement mortar complete all as specified and directed.

Demolition and breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) 300 mm set in cement mortar complete all as specified and directed.

Material and Labour for P.C.C (1:2:4) type B-2, using 40 mm graded crushed stone aggregate as in surface channel, drain including providing necessary from work complete all as specified and as directed by the Engineer-in-Charge.

M&L brick work using old size sub class 'B' fly-ash bricks, straight or curved on plan exceeding 6metre mean radius, built in cement mortar 1:4, as specified as directed by the Engr-in-Charge.

Supply and fixing in repair cast iron (grade FG 150) manhole cover / grating / gully trap etc including frame (weighing exceeding 3 Kg each) of different sizes, fixed in concrete cover with PCC 1:2:4 type B-0 (using 12.5mm graded crushed stone aggregate) as directed by the Engr-in-Charge.

Material and labour for PCC (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) as in coping / bed plates, hunching, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, including providing necessary form work etc complete all as directed by the Engineer-in-Charge.

Material and labour for Precast RCC (1:2:4) type B-1 (using 20 mm graded crushed stone aggregate) as in cover slabs and the like including providing necessary form work etc, set in cement mortar (1:6) complete all as specified and as directed by the Engineer-in-Charge. (Note : Reinforcement to be measured and paid separately)

M&L 10 mm dia and over TMT bars, cut to length, bent to shape required including cranking, bending spirally for hooping for columns, hooking ends and binding with and including MS wire (annealed) not less than 0.9mm dia as directed by the Engr-in-Charge.

M&L 75 mm thick PCC 1:3:6 type C2 (using 40mm graded crushed stone aggregate) as in plinth protection, finished even and smooth without using extra cement as directed by the Engr-in-Charge.

M&L for 15 mm thick rendering in cement mortar 1:4 using water proofing compound as per manufacturer's recommendations, surface finished evena and smooth using extra cement to fair faces of brick wall/concrete wall surface complete all as specified and directed. (NOTE: WPC shall be measured and paid seperately)

Supply only liquid water proofing compound

Material and labour for preparation of newly plastered or undecorated surface of wall and applying three coats of white wash complete 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 and removing the same at a distance exceeding 500 metre but not exceeding 1 Kilometre where directed, washing of the drain with water complete all as directed by the Engineer-in-Charge.

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 100mm bore pipe as required and as directed by the Engineer-in-Charge.

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 150mm bore pipe as required and as directed by the Engineer-in-Charge.

Taking up old manhole cover with frame (heavy duty) and raising / re-fixing 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.

Supply and fixing 100 mm bore cast iron (sand cast) soil, waste and vent pipes, in any length with or without ears, with cement joints, fixed to walls complete all as specified and as directed.

Supply and fixing 150 mm bore cast iron (sand cast) soil, waste and vent pipes, in any length with or without ears, with cement joints, fixed to walls complete all as specified and as directed.

Supply and fixing 100 mm bore cast iron (sand cast) 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 as directed. (Note : Earthwork to be measured and paid separately).

Supply and fixing 150 mm bore cast iron (sand cast) 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 as directed. (Note : Earthwork to be measured and paid separately).

Supply and laying 150 mm bore reinforced concrete pipe of Class NP-2, with collars, laid and jointed complete all as specified and as directed by the Engineer-in-Charge.

Supply and laying 200 mm bore reinforced concrete pipe of Class NP-2, with collars, laid and jointed complete all as specified and as directed by the Engineer-in-Charge.

Supply and laying 300 mm bore reinforced concrete pipe of Class NP-2, with collars, laid and jointed complete all as specified and as directed by the Engineer-in-Charge.

M/L for PCC (1:3:6) type C2 using 40mm graded broken stone aggregates for bed concrete to drain pipe packing under haunching for sides for 150 mm dia pipe lines complete all as specified and as directed.

M/L for PCC (1:3:6) type C2 using 40mm grades broken stone aggregates for bed concrete to drain pipe packing under hunching for sides for 200 mm dia pipe lines complete all as specified and as directed.

M/L for PCC (1:3;6) type C2 using 40mm graded broken stone aggregates for bed concrete to drain pipe packing under haunching for sides for 300 mm dia pipe lines complete all as specified and as directed.

Supply and fixing 100 mm bore cast iron (sand cast) bends (any radius), diminishing pieces or tapers (larger bore to be measured) complete all as specified and as directed by the Engineer-in-Charge.

Supply and fixing 150 mm bore cast iron (sand cast) bends (any radius), diminishing pieces or tapers (larger bore to be measured) complete all as specified and as directed by the Engineer-in-Charge.

Supply and fixing 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 by the Engineer-in-Charge.

Supply and fixing 150 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 by the Engineer-in-Charge.

Dismantling of PVC (SWR) pipes of any size and any length at any height incl fittings complete all as specified and directed.

Supply and fixing 110mm bore PVC (SWR) pipes, single socketed, in any length, with rubber ring joints, fixed to wall all as specified and as directed by the Engineer-in-Charge.

Supply and Fixing 110 mm PVC (SWR) Bend any radius complete all as specified and as directed by the Engineer-in-charge.

Supply and Fixing 110 mm PVC (SWR) junction single (Single T) equal or unequal complete all as specified and as directed by the Engineer-in-charge.

Supply and fixing in repair vitreous China squatting pan of pattern ‘Orissa Type’ of size 580 mm x 410 mm, white, with ‘P’ or ‘S’ trap, front or back inlet and foot rests, any pattern (excluding flushing cistern and flush pipe) but providing lime concrete bedding and making all necessary connection etc complete as specified and as directed by the Engineer-in-Charge. (MAKE : PARRYWARE, Cat No. C0117 / HINDWARE, Cat No. 20004 / JAQUAR, Cat No. CNS-WHT-OP01 or equivalent model in CERA)

Supply & Fixed in repairs PVC valveless, syphonic action type, flushing cistern, low level, coloured, with inlet , ball valve, float and handle including brackets outlet flushing pipe of capacity 10 ltrs complete all as specified and directed. (MAKE : PARRYWARE, Model : Slim line Economy / HINDWARE, Model : Sleek Fresh / CERA, Model : Corona or equivalent model in COMMANDER )

Taking down old wash down water closet of any type and S&F wash down water closet coloured (pedestal pattern with 'P' or 'S' trap anti syphonic pipe joints to sockets or stopper incl connection to drain (or out goings pipes) and to flushing pipe complete along with plastic WC seat cover CP or aluminium hinging device complete all as directed by Engr-in-Charge. (MAKE: PARRYWARE, Model : Elite /JAQUAR, Model: Continental / HINDWARE, Model : SLICK / CERA, Model: Conventional)

S&F in repair CP bottle trap with internal portion 32mm size with 190mm long wall connection pipe complete all as specified and directed (Make: JAQUAR, Cat No: ALD-769L250x190 / ESS ESS, Cat No: C-231C or equivalent model in PARRYWARE / KOHLER / MARC / CRABTREE)

S&F Low density polyethylene pipe connection, comprising of 15 mm dia 600 mm long having PTMT union at each end of connection to each of pillar tap/cistern/stop cock/urinal etc. at one end, stop cock at other end complete all as specified and directed. (MAKE : PRAYAG, Cat No. 324 / POLYTUF, Cat No. 4004-D / SHAKTI, Cat No: SB 1324-D)

S&F 100 mm dia cast iron sanitary connection socket to fit WC outlet complete all as specified and directed.

Excavation in trenches n exc 1.5 M wide and n exc 1.5 M in depth for foundation etc for shafts,pier holes etc n exc 10 Sqm on plan and n exc 1.5 M in depth and getting out in soft/loose soil complete all as specified and directed.

Returning, filling in, incl spreading, levelling, watering & well ramming in layers n exc 25 cm in soft/loose soil complete all as specified and directed.

Removal of excavated material to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and as directed.

S & F in repair cast floor trap 100 mm dia with grating incl jointing to waste pipe fixed in cement concrete 1:2:4 type B-1 (using 20 mm graded stone aggregates) complete all as specified and directed.

S & F CI branch piece single (equal or unequal) with oval access door for 100 mm bore pipe complete all as specified and directed.

S & F CI branch piece single (equal or unequal) with oval access door for 150 mm bore pipe complete all as specified and directed.

S&F in repair Vitreous China Wash Hand Basin 550x400mm in size, White (Flat Back or Angle Back Type) with 32mm dia Brass Chromium Plated Waste Fitting, making good disturbed Surfaces in Cement Mortar 1:3 including taking down/out unserviceable Wash Hand Basin and connected Items, complete all as specified and directed. (MAKE : PARRYWARE, Cat No. C0406 / HINDWARE, Cat No. 10010 / JAQUAR, Cat No. CNS-WHT-801 / CERA, Cat No: S2040141)

S&F in repair Vitreous china, white, half stall urinal flat back with grating and union for discharge pipe (excl flush pipe and flushing cistern and waste pipe) incl providing and fixed plugs, bedding urinal against wall in cement mortar 1:2 and securing urinal to plugs with and incl 60mm long brass screws, pointing around urinal back in cement including 32mm CP bottle trap, CP connecting pipe and CP urinal spreader including taking down existing urinal complete all as specified and directed. (Make of Urinal : Parryware Cat No: C-0575/ Jaquar, Cat No: URS-WHT-13261 / CERA, Cat No: S4020102 / HINDWARE, Cat No: 60030) (Make of Bottle Trap: JAQUAR, Cat No: ALD-769L250x190 / ESS ESS, Cat No: C-231C or equivalent model in PARRYWARE/PRAYAG/ HINDWARE). (Make of Urinal Spreader : CERA, Cat No: F8070201 / PRAYAG, Cat No: BEA-25 or equivalent model in PARRYWARE / HINDWARE / JAQUAR)

M&L 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 20 mm thick screed bedding in cement mortar 1:6 complete all as a specified and as directed

M&L coloured glazed ceramic tiles in vertical surfaces 450X300X7-8mm 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 1:4 complete all as specified and directed.

M&L Preparing new Steel or Iron Surfaces of any description, over 10 Cm width or girth and applying Two Coats of black japan paint over a coat of Red Oxide/ Zinc Chrome Primer, complete all as specified and as directed.

M&L for providing PCC (1:3:6) type C-2, using 40 mm graded stone aggregate, as in surface channels and drains including necessary from work complete all as specified and as directed.

M&L 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

Add or deduct for 25mm girth or part there of over or under 30cm girth in cement concrete, using extra cement, including forms, mould, mitred/stopped ends etc. complete all as specified and directed

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

S&F in repair 100 mm dia CI nahni trap, with grating including jointing to waste pipe fixed in cement concrete 1:2:4 type B1 (using 20 mm graded stone aggregates) complete all as specified and directed.

M&L for PCC 1:2:4 type B-1 (using 20 mm graded stone aggregates) as in benching and haunching incl necessary formwork complete all as specifiaed and directed.

S&F tubes 40 mm bore medium grade galvanised with all fittings and fixed complete to wall and ceiling or laid in floors incl taking down existing unsv pipe complete all as specified and as directed.

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

S&F in repair grating doom 100 mm dia PTMT complete all as specified and directed.

UNIVERSAL TRADING CENTRE

JOY RAM ENTERPRISE

BASU AND CO

IDEAL TRADERS

S. K. CONSTRUCTION SYNDICATE AND ENGINEERING CO.

MARUTI ENTERPRISES

M/S S. K. SARKAR