REPAIR AND CLEANING OF SEWAGE LINES, MANHOLES, COLLECTION CHAMBERS AND ALLIED WKS AT MOAT AND CONNECTED INSIDE FORT WILLIAM UNDER GE (FW) KOLKATA

Amount

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 as directed by KMC, complete all as specified and directed.

All as per Item No. 01 above, but for mechanical cleaning of manhole of depth exc 1.0 m but not exc 2.0 m

All as per Item No.02 above, but for mechanical cleaning of manhole of depth exc 2.0 m but not exc 5.0 m

Cleaning of Manhole chamber of any size, of depth exc 2.0 metre but not exc 5.00 metre each, by pumping out deposited water, manually taking out accumulated sludge, silt, mud etc disposing off the sludge/debris out of MOD land as directed by KMC, complete all as specified and directed.

All as per Item No. 04 above, but for manual cleaning of manhole of depth exc 1.0 m but not exc 2.0 m

Cleaning of collection chambers of drainage water internal dia 2.0 M and depth exceeding 3.00 metre but not exceeding 7.00 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 cover in position and disposing off the sludge/debris out of MOD land as directed by KMC, complete all as specified and directed.

NOTE FOR ITEM NO. 01 to 06:- (1) The sludge/debris shall be disposed off in sealed containers or sludge removal tankers. Contractor is expected to consider this aspect while quoting his rates. No claim, whatsoever, shall be entertained on this account afterwards. (2) Item No.5 & 6 shall be executed only on urgent requirement. (3) Mechanised cleaning vehicle, water jetting machine including fuel and operator, as and when ordered by the Engineer-in-Charge shall be provided by the contractor under his own arrangement. No extra claim shall be admissible during currency of work.

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 testing on completion complete as directed by the Engineer- in- Charge.

All as per Item No. 07 above, but for cleaning of 300 mm bore sewage line / storm water line

All as per Item No. 07 above, but for cleaning of 200 mm bore sewage line / storm water line

Cleaning of sewage line/ storm water line of any 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 testing on completion complete as directed by the Engineer- in- Charge. (NOTE: This item shall be executed only on urgent requirement)

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 at any distance where directed as directed by KMC, complete 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 brick wall and making good the surface of dismantled 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.

Cutting of vegetation, grass, bush, weed, tree height upto 1 mtr above the ground level in around 3 mtr the periphery of manhole, drain etc and removal of the vegetation, branches, tree roots etc to a distance exc 500 mtr but not exc 1 km where directed complete all as directed by Engr-in-Charge.

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 paving's not exc 150 mm thickness (above or below ground 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.

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.

Dismantling of cast iron or reinforced concrete drain pipes, jointed in cement mortar and taking out of trenches of 450 mm internal dia complete all as specified and as directed.

All as per Item No. 18 above, but for 300 mm bore cast iron/RCC pipes

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

All as per Item No. 20 above, but for demolition and breaking up drain pipes 150 mm bore drain pipes

Dismantling wrought iron on MS work of any description not otherwise provided for all as specified and as directed.

Surface Excavation not exc 30 Cm deep and averaging 15 Cm deep and getting out in soft/loose soils, complete all as specified and as directed.

Excavating in post hole (or similar hole) each n exc 0.5 cum getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, watering, and removing surplus soil to a distance n exc 50 M and making good surface in soft and loose soil complete all as specified and 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. 25 above, but for depth beyond 1.50 m and upto 3.0 m deep

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 boulder pitching, laid dry, hand packed tightly around the collection chamber etc., complete all as specified and as directed.

M&L for providing Plain Cement Concrete (1:4:8) type D-2 using 40mm graded stone aggregate as in foundation filling and mass concrete completed all as specified and directed.

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

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

M&L for providing 100 mm thick, Plain Cement Concrete (1:4:8) type D-2 using 40mm graded stone aggregate as in footpath, sub base of floor completed all as specified and directed.

M&L for providing 50 mm thick, Plain Cement Concrete (1:2:4) type B-1 using 20mm graded stone aggregate, as in floors, finished even and smooth without using extra cement, completed all as specified and 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 forming construction/dummy joints 65 mm deep x 10 mm wide filled with sealing compound Grade 'A'

S& F 50 mm thick Precast RCC Jali 1:2:4 , type B-0 (using 12.5 mm graded aggregate ) and set in cement mortar 1:4 including dismantling old RCC Jali all as specified and directed

Supply and laying 450 mm bore reinforced concrete pipe of Class NP-3, laid and jointed with jute & cement mortar 1:2, complete with collars all specified and as directed.

All as per Item No. 38 above, but 300 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 C-2 for 450 mm bore pipes complete all as specified and directed.

All as per Item No. 40 above, but PCC bed for 300 mm bore RCC pipe

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.

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.

S & F CI bend (any radius), diminishing pieces or tapers (larger bore measured) for 150 mm bore pipe complete all as specified and directed.

M&L TMT Bars 10 mm dia and over, cut to length, bent to shape required including cranking, 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 TMT bars 5 mm dia and over upto and including 10 mm dia in stirrups, spacers and binders cut to length, bent to shape required as in reinforcement and binding with MS wire (annealed) not less than 0.90 mm dia complete all as specified and directed .

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 separately)

M & L for RCC 1:2:4, type B1 (nominal mix) (using 20mm graded stone aggregates) as in beams, cantilevers, bressummers, lintels over 1.5 mtr span complete all as specified and 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 separately)

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.

Use and waste 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.

Use and waste for formwork to soffits of roof beams, beam haunchings, girders, bressummers, lintels, cantilevers, shelves including supports, over hangs etc., for fair finished surfaces complete all as specified and directed.

Use and waste for form work to sides and soffits of floors, window cills, concrete railings, openings in concrete walls, floor or roofs n exc 20cm wide and sides of RCC/PCC bands in walls horizontal or slopping and similar works exc 10 cm but n exc 20cm wide, for fair finished surfaces of concrete flats, 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 1:4, complete all as specified and as directed.

All as per item No.54.00 above, but except bricks complete all as specified and directed . (Note: Serviceable bricks obtained from demolition shall be re-used)

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 dubbing out cement plaster (1:4), average 10 mm thick on irregular faces of walls (when specially ordered in writing) complete all as a specified and as directed

M&L 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 separately)

Supply only liquid water proofing compound all as specified and as 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- treed / stopped ends etc., completed all as specified and directed.

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

M&L for preparation of new plastered surfaces and applying two coats of synthetic enamel paint over a coat of primer 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 300 mm bore pipe as required and as directed by the Engineer-in-Charge.

All as per Item No. 63 above, but for 450 mm bore pipe

S&F in repair for mild steel stack clamps, fabricated out of 50 x 5 mm flat iron and 16 mm dia round iron stay, including suitable size bolts and nuts and securing ends of stays to wall or roof for 150 mm dia pipes including painting with two coats of synthetic enamel paint over coat of red oxide primer complete all as specified and directed.

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.

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, for portion framed and hung as gates, including pintle hinges, stops, hand made sliding bolts etc., all as specified and directed by Engineer-in-Charge.

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

S&F in repair Expanded metal cut to length bent to shape required and tying with and including annealed mild steel wire not less than 0.9mm dia weight not exceeding 4 Kg per Sqm or fixing with galvanised steel staples fixed to wooden of steel frame including all rebating etc complete all as specified and directed.

Dismantling fencing wire mesh any type complete all as specified and directed.

Dismantling of post struts (wood, steel or RCC) any section incl Taking out embedded portion in concrete and making good disturbed ground complete all as specified and directed.

All as per Item No. 71 above, but embedded in natural ground

S&F mild steel fencing posts and struts including cutting tops to shape as directed drilling holes notching for wire etc flat iron fillets including all necessary drilling bolting or riveting etc and similar work confirming to Fe -290 gde E-165 complete all as specified and directed.

S&F 4 mm dia PVC coated galvanised mild steel chain link fencing of mesh size 50 x 50 mm fixed with straining bolts including line wire any mesh size and type to any type of standards, rails, straining bolts etc. including provision of binding wire, complete all as specified and as directed. NOTE: MS post, MS round bars, flat iron, nuts & bolts shall be measured and paid separately.

Re-fixing only chain link fencing of any mesh size fixed with new straining bolts including line wire any mesh size and type to any type of standards, rails, straining bolts etc. including provision of binding wire, complete all as specified and as directed. NOTE: MS post, MS round bars, flat iron, nuts & bolts shall be measured and paid separately.

Supply only 10mm dia mild steel round bar for holding chain link fencing nibs etc with fencing posts complete all as specified and directed.

Supply only MS Screw bolts (machine made) with hexagonal or square heads at one end and screwed the other or screwed both ends each screwed end to the fitted with washers & one hexagonal or square nut exe 5cm n exc 10cm long &11 to 15mm in dia complete all as specified and directed.

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

M & L applying one coat of synthetic enamel paint on old steel surface of any description over 10 cm width or girth incl preparation of surfaces complete all as specified and directed.

M&L for welding in repairs not exc 2.5 cm in length, thickness of metal to be welded not exc 6 mm including necessary ladder/scaffolding complete all as specified and directed.

All as per Item No. 80 above thickness of metal to be welded exc 6 mm but not exc 9 mm

M&L for welding in repairs exc 2.5 cm but not exc 5 cm in length, thickness of metal to be welded not exc 6 mm including necessary ladder/scaffolding complete all as specified and directed.

All as per Item No. 82.00 above, thickness of metal to be welded exc 6 mm but not exc 9 mm

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

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

Dismantling stone slabs and tiles, laid, bedded and pointed in any mortar of any description or thickness in floors, aprons etc complete all as specified and directed.

M&L 25 mm thick pre polished coloured chequered tiles of size 300mm X 300mm, with M-40 grade, jointed & pointed in neat cement slurry with white or coloured to match the shade of tiles, laid over & incl 20 mm thick screed bed in cement mortar 1:6 complete all as specified & directed.

M&L 25 mm thick pre polished coloured chequered tiles of size 380mm X 380mm, with M-40 grade, jointed & pointed in neat cement slurry with white or coloured to match the shade of tiles, laid over & incl 20 mm thick screed bed in cement mortar 1:6 complete all as specified & directed.

M&L for designer cement concrete tiles of size 150mm x 75mm x 16mm with M-40 grade as in vertical surfaces over and including 20 mm thick backing layer in cement mortar (1:3) set and jointed in neat cement slurry and pointed in white cement mixed with admixture of pigment to match the shade complete all as specified and directed.

S & F Cast iron work grade FG-150 unmachined in brackets, gratings, railing, frames, manhole covers and similar articles, weight exc 5 Kg each, as in repairs, completed all as specified and as directed.

Taking up old manholes cover with frame (heavy duty) and raising/ refixing in proper position, set in cement mortar 1:3 and haunting with PCC 1:2:3 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.

M & L for heavy duty coloured ceramic floor tiles of size 300 x 300 x10mm thick in floor etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade complete including 15mm thick screed bed in cement mortar 1:4 complete all as specified and directed. (MAKE : JOHNSON, Model : ENDURA or equivalent model in other makes listed in the tender)

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.

EAST COAST STANDARD PRODUCTS

MAZUMDER ENTERPRISE

DEB AND COMPANY

JOY RAM ENTERPRISE

UNIVERSAL TRADING CENTRE

MARUTI ENTERPRISES

JOY-EN-JOY