CLEANING MAINTENANCE OF SEWAGE LINES SEPTIC TANKS AND DAY TO DAY COMPLAINTS DRAINAGE SYSTEM AND ROAD PATH HARD STANDING AT CIJW SCHOOL VAIRENGTE UNDER GE SILCHAR

Amount

Demolition of brickwork or stone / boulder masonry, built in cement mortar including all quoins, arches, pillars, etc but excluding ashlar facings, dressed stonework and precast concrete articles and disposing off complete all as specified and as directed

Taking down cement or cement lime plaster, any description on brick or stone walls, etc. including raking out joints, hacking for keys, scubbing down with water, etc. including all necessary scaffolding as required and rubbishing off the premises, etc. complete all as specified and as directed

Dismantling floor hearth or wall tiling including cement mortar bedding (but not backing) and disposing off complete all as specified and as directed

Demolition of cement concrete (un-reinforced) in ground floors and pavings not exceeding 15cm thickness (below or above ground level) and removal of debris complete all as specified and as directed

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

Demolition and breaking up CI drain pipes 75mm bore (internal dia) set in cement mortar in any position or location and disposing off complete all as specified and as directed

Demolition and breaking up drain pipes (salt glazed ware, AC or reinforced concrete) 100/110mm bore (internal dia) set in cement mortar in any position or location including breaking off haunching and disposing off complete all as specified and as directed

Demolition and breaking up drain pipes (salt glazed ware, AC or reinforced concrete) 150mm bore (internal dia) set in cement mortar in any position or location including breaking off haunching and disposing off complete all as specified and as directed

Demolition and breaking up PVC pipes 200mm bore (internal dia) set in cement mortar in any position or location and disposing off complete all as specified and as directed

Taking out old unserviceable road studs of any type from any location and position and disposing off including making good the disturbed areas, etc. complete all as specified and as directed

Taking up or down 15mm bore steel water tubing and connections from any location / position including disposing off, etc., sorting, stacking serviceable tubings for reuse, and disposing off unserviceable tubing, etc. complete all as specified and as directed

Taking up or down 20mm bore steel water tubing and connections from any location / position including disposing off, etc., sorting, stacking serviceable tubings for reuse, and disposing off unserviceable tubing, etc. complete all as specified and as directed

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

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

M&L for mild steel TMT bars grade Fe-500D, 10mm dia, cut to length, bent to shape required including cranking, bending spirally or hooping for columns, hooking ends and binding with and including MS wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed

M&L for mild steel TMT bars grade Fe-500D, 6 to 8mm dia, cut to length, bent to shape required including cranking, bending spirally or hooping for columns, hooking ends and binding with and including MS wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed

M&L for formwork to soffits of suspended slabs such as in roof slabs, floor slabs, landings and similar work, not exceeding 200mm thick (Horizontal or sloping) for rough finished flat surfaces of concrete complete all as specified and as directed

M&L for formwork to edges of concrete flats, treads, breaks in floors, floor and roofs not exceeding 20cm wide and sides of RCC/PCC bands in walls, horizontal or sloping and similar work exceeding 10cm but not exceeding 20cm wide complete all as specified and as directed

M&L for RCC 1:2:4 type B-1 using 20mm graded mechanically crushed stone aggregates as in slabs supported on walls, beams and columns, in floor, roof, landing, balconies, shelves and the like complete all as specified and as directed Note: Reinforcement and formwork will be measured and paid separately under respective items

M&L for precast RCC 1:2:4 type B-1 using 20mm graded mechanically crushed stone aggregates as in cover slab for man holes, drains, soak wells, and similar articles, set in CM 1:4 with plain faces including necessary formwork and chamfering, weathering, throating, etc. complete all as specified and as directed

M&L for plain cement concrete 1:3:6 (type C-2) using 40mm graded stone aggregate as in foundation filling, mass concrete, complete all as specified and as directed

M&L for plain cement concrete type C-1,1:3:6 (using 20mm graded stone aggregates) as in surface channels, drains, etc. complete all as specified and as directed

M&L for 75mm thick plain cement concrete 1:3:6 type C-2 (using 40mm graded stone aggregates) as in floors, plinth protection, pavings, etc. surface finished even and fair, laid in alternate bays/panels and joints filled with bituminous mix of 1 part bitumen and 3 part of sand complete all as specified and as directed

M&L for 75mm thick plain cement concrete 1:3:6 type C-2 (using 40mm graded stone aggregates) as in sub-bases, floorings,pavings and similar works,complete all as specified and as directed

M&L for 100mm thick plain cement concrete 1:3:6 type C-2 (using 40mm graded stone aggregates) as in sub-bases, flooring, etc. surface finished even and fair complete all as specified and as directed

M&L for plain cement concrete 1:3:6 (type C-2) using 40mm graded stone aggregate for bed to drain pipes including packing under and haunching against the sides of pipes after they are laid and tested for 150mm dia drain pipes complete all as specified and as directed

M&L for plain cement concrete 1:3:6 (type C-2) using 40mm graded stone aggregate for bed to drain pipes including packing under and haunching against the sides of pipes after they are laid and tested for 110mm dia drain pipes complete all as specified and as directed

M&L for 100mm thick plain cement concrete type B-2,1:2:4 (using 40mm graded stone aggregates) as in bedding layers, paving, hard standing, etc. complete all as specified and as directed

M&L for forming construction joint 30mm deep x 10mm wide filled with sealing compound grade 'B' complete all as specified and as directed

Extra for forming fair finished drain or channel 30cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred / stopped ends etc. complete all as specified and as directed Note: Inner girth shall only be measured

M&L rendering 15mm thick, in cement mortar (1:4) on walls / concrete surfaces, etc. in two layers (10+5mm) finishing layer mixed with integral water proofing compound @3% by weight of cement, finished even and fair without using extra cement complete all as specified and as directed Note: WPC will be measured and paid separately under respective item herein

M&L for rendering 15mm thick in cement mortar (1:6) on fair surfaces of PCC block / brick masonry wall / concrete surfaces, etc. finished even and fair without using extra cement complete all as specified and as directed

M&L for rendering 15mm thick in cement mortar (1:6) on fair faces of brick work finished even and fair without using extra cement complete all as specified and as directed

Supply only integral water proofing compound all as specified

S&F in position solar road stud, of approved design, made of aluminium alloy shell, LED based, of size 125x125x25mm (shank 65mm), 100% water and weather proof design, conforming to IP-67, with high effciency mono-crystalline solar panel 2.4V/0.3W, 1No. Ni-Mh or Ni-cd rechargeable battery (1.2V/1600MA), six super bright LED with 10000 to 18000mcd, continuous working time 3 to 4days after battery fully charged, working temperature 10-75˚C complete all as specified and as directed Make: Dark Eye model No. DA-113 or equlvalent model of ABS Engineering, TATA BP, 3M

M&L for non-skid ceramic tiles, coloured, area of tile exceeding 0.06sqm but not exceeding 0.11sqm each, 7 to 8mm thick of superior quality as in floors, etc. laid over 15mm thick screed bed in CM (1:6) (rate shall be included) set and jointed in neat cement slurry @3.00kg of cement per sqm and pointed in white cement mixed with colouring pigment to match shade of tiles complete all as specified and as directed

M&L for glazed ceramic tiles, coloured of size 350x250mm or 450x350xmm x7 to 8mm thick, of superior quality B-III grade, on vertical faces, dados, skirting, risers, etc. laid over 10mm thick backing coat in CM (1:4) (rate shall be included) set and jointed in neat cement slurry and pointed in white cement mixed with pigment to match the colour of tiles complete all as specified and as directed

M&L for laying anti skid heavy duty vitrified out door tiles of size 300x300mm, coloured, 9 to10mm thick, joint free, edge cut, of superior quality as in floors, etc.. set and jointed in neat cement slurry and pointed in white cement mixed with pigment to match the colour of tiles, laid over and including 20mm thick screed bed in CM (1:6) (rate shall be included) complete all as specified and as directed

M&L for rubber moulded reflective type chequered cement concrete tiles 300x300x25mm thick, set, jointed and pointed in neat grey cement slurry mixed with pigment to match colour of tiles as in floors laid over and including 20mm screed bed in CM 1:6 (rate shall be included) complete all as specified and as directed

M&L for laying pre-polished 80mm thick rubber moulded, double glossy, coloured, designer, interlocking paver blocks made of M-40 design mix concrete of approved design and shape with the crushing strength not less than 350kg/sqcm conforming to IS: 15658-2006, pointed in grey cement and pigment to match colour of tile complete all as specified and as directed

M&L for fine dry river sand filling under floors, watering, leveling and consolidating complete all as specified and as directed Note: Only consolidated thickness of sand shall be considered for measurement purposes

M&L for preparation of new masonry / concrete wall surfaces and applying three coats of white wash including all necessary staging, etc. as required complete all as specified and as directed

M&L for preparation of new masonry / concrete wall surfaces and applying two coats of oil bound distemper (tint as approved) over a coat of wall primer including all necessary staging, scaffolding, safety precautions, etc. as required to work at heights, etc. complete all as specified and as directed

M&L for applying two coats of 100% premium acrylic emulsion paint having VOC less than 50gm/litre and UV resistance as per IS 15489:2004, alkali & fungal resistant, dirt resistant, exterior paint of approved shade (company depot tinted) with silicon additives @1.43litre/10sqm over and including a priming coat of exterior primer applied @0.90 litre/10sqm over new surfaces of brickwork,concrete, etc. including all necessary staging, scaffolding, etc.required complete all as specified as as directed

S&F in repairs 15mm bib taps, chromium plated, cast copper alloy, long neck with crutch or butter fly handle, screwed down, screwed for iron pipe or for brass ferrule complete all as specified and as directed

S&F in repairs 15mm dia pillar taps, fancy type, cast copper alloy, with capstain heads, chromium plated, screwed down, high pressure, with or without lettered 'HOT'/'COLD', with long screwed shanks and fly nuts, screwed for iron pipe complete all as specified and as directed

S&F in repairs 15mm dia stop cocks, cast copper alloy, concealed type, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions or for brass ferrule complete all as specified and as directed

S&F in repairs 15mm dia angle valves, cast copper alloy, concealed type, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions or for brass ferrule complete all as specified and as directed

S&F steel water tubing, medium grade, galvanised with screwed and socketed joints, in any length, including supply and fixing all fittings, ISI marked conforming to IS -1239 and fixed to walls or laid in floors / trenches required for water connections complete all as specified and as directed of the following bores:

15mm bore

20mm bore

Relaying / refixing only steel water tubing, medium grade, galvanised with screwed and socketed joints, including supply and fixing all fittings, ISI marked conforming to IS-1239 and fixed to walls or laid in trenches required for water connections complete all as specified and as directed for the following bores: Notes: (a) Serviceable tubings obtained from dismantling herein before will be reused under this item (b) Tubings shall be thoroughly cleaned off from dirt, mud, silt, rust, etc., duly de-scaled and threaded before reuse

15mm bore

20mm bore

S&F in repairs vitreous China squatting pan, Orissa pattern of size 580x440mm, white, with integral foot rests and 'P' or 'S' trap, connecting to flushing pipe, cast iron 100mm bore 'P' trap with 500 to 600mm long neck including necessary lime concrete and making good to the disturbed surfaces in CM 1:3 with finishes to match with the existing complete all as specified and as directed

S&F in repairs vitreous China wash down water closet pan (Pedestal pattern), white, with 'P' or 'S' trap, including flush pipe, trap, connection to drain or outgoing pipe, anti-syphonic pipe, seat cover to match with colour of WC, closed pattern with flat bottom & cover and chromium plated mild steel or aluminum anodized hinge device and jointing and connecting up complete all as specified and as directed

S&F in repairs single piece vitreous China wash down water closet pan (Pedestal pattern), white, with 'P' or 'S' trap, including flush pipe, trap, connection to drain or outgoing pipe, anti-syphonic pipe, seat cover, closed pattern with flat bottom & cover and chromium plated mild steel or aluminum anodized hinge device and jointing and connecting up complete all as specified and as directed Make: Cat part No. 20125 of Hindware or equivalent of Kohler, Duravit, Grohe, Roca, Jaquar

S&F in repairs vitreous China bowl urinal flat back half stall of size 590x390x375mm (minimum), white, with grating and union for discharge pipe, including providing fixing plugs, brackets, grating, union and connections to flushing pipe, bedding urinal against wall in CM 1:2, securing bowl with plugs and 60mm long brass screws, pointing around urinal bowl in white cement (excluding flushing cistern, flush pipe and waste pipe) complete all as specified and as directed

S&F in repair plastic water closet seat, white, closed pattern with flat bottom, and cover and mild steel chromium plated or aluminised hinging device complete all as specified and as directed

S&F 10litres capacity PVC flushing tank, white / coloured, syphonic action type, low level, valveless, with PVC inlet ball valve, PVC flush pipe, float and suitable sized brackets including cutting of floor / wall and making good to the disturbed surfaces in CM 1:3 with finishes to match with the existing and taking down of old PVC flush tank and disposing off complete all as specified and as directed

S&F health faucet, 15mm bore, telephone type, with CP arms, flexible pipe (ABS body) with 1.25m long stainless steel braided tube and ABS wall hook of approved finish including making all necessary connections complete all as specified and as directed

S&F vireous China soap dish, 160x160x90mm (minimum), of approved design, any type, fixed to plugs with chromium plated brass screws complete all as specified and as directed

S&F in repairs toilet paper holder with flap, 6'' wide, brass chromium plated, of approved deisgn and finish and fixed with steel screws and wooden/rawl plugs complete all as specified and as directed

S&F in repairs 15mm PVC connections, 450mm long with brass couplings, PTMT nuts, etc. complete all as specified and as directed

M&L for cleaning of Nahni trap/floor trap/bottle traps,blockages og WCs, rain water pipe, rian water spouts at roof level, 100 mm dia CI pipe upto manhole/GT in shafts, vertical shafts, vertical CI soil/waste pipes stacks,CI tee/door bends etc & cleaning of drain pipes 150mm to 250mm internal dia by rodding etc, complete all as specified and as directed

M&L for desilting of sewer lines of 110 to 200mm bore, by removing either by mechanical or manual means, the exiting slush/hardened silt/sludge/ any other hardened debris accumulated over a period and in foul conditions (debris like concrete pieces, stone boulders, hardened lime, etc.) including taking out these materials through existing manholes/openings with a lift upto 2m, transportation and depositing at a point within a lead exceeding 50m but not exceeding 100m, spreading, dressing and leveling the heaps to a level not higher than 1m level including all tools, tackles, equipment, labour, etc. complete all as specified and as directed

M&L for cleaning / de-sludging of septic tanks, using mechanical pumps, diesel driven, with fuel, operator, etc. and all necessary tools / plants including loading and carting off the drawn sludge, waste material, scum, spoil water, etc. outside MD land through designated sludge carriers / bio tanks complete all as specified and as directed of the following capacities:

25 Users

50 Users

M&L for cleaning / de-sludging of sewage soakage wells/blocked main holes etc, using mechanical pumps, diesel driven, with fuel, operator, etc. and all necessary tools / plants including loading and carting off the drawn sludge, waste material, scum, spoil water, etc. outside MD land through designated sludge carriers / bio tanks complete all as specified and as directed

Notes for item Nos. 67 to 72: (i) All necessary precautions and all safety measures as per Municipality rules / relevant regulatory guidelines shall be taken by the Contractor in employing his mechnical means and workmen. No person shall be employed in direct contact working in septic tanks, manholes, sewage wells, etc. in foul conditions to prevent any health hazards, etc. and only mechanical means shall be used (ii) The Contractor shall be solely responsible for any mishap to any of labourer deployed and to equipment/machinery/plants/material, etc. brought at site for work and any lapses whatsoever during the execution, (iii) The work shall be executed under the supervision of highly skilled tradesman / supervisor (iv) Drawn sludge, waste material, scum, spoil water, etc. shall be removed to outside MD land through designated sludge carriers / bio tanks only (v) To avoid any hazard or spreading of any foul gas bleaching powder shall be spread as directed (vi) The rates quoted shall be deemed to be inclusive of the above aspects, and no claims whatsover shall be entertainable at later stages and or during execution

S&F PVC pipes, 200mm bore, single socketed in any length with rubber ring joints fixed on walls with suitable clamps, etc. complete all as specified and as directed

S&F PVC (SWR) pipes, 150mm bore, single socketed in any length with rubber ring joints fixed on walls with suitable clamps, etc. complete all as specified and as directed

S&F PVC (SWR) pipes, 110mm bore, single socketed in any length with rubber ring joints fixed on walls with suitable clamps, etc. complete all as specified and as directed

S&F PVC (SWR) pipes, 75mm bore, single socketed in any length with rubber ring joints fixed on walls with suitable clamps, etc. complete all as specified and as directed

S&Fin repair 110mm bore PVC (SWR) junction single, (single T) equal or unequal complete all as specified and as directed

S&F in repair 200mm bore PVC (SWR) bend of any radius complete all as specified and as directed

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

S&F in repairs 75mm bore PVC (SWR) bend of any radius complete all as specified and as directed

S&F in repairs 75mm dia PVC(SWR) vent cowl complete all as specified and as directed

S&F grating doom in position, round, 100mm dia of PTMT (minimum weight 25gms) with waste hole fixed with solvent cement complete all as specified and as directed

S&F grating doom in position, round, 125mm dia of PTMT (minimum weight 40gms) with waste hole fixed with solvent cement complete all as specified and as directed

S&F grating doom in position, square, 150mm size, of PTMT (minimum weight 100gms) with waste hole fixed with solvent cement complete all as specified and as directed

M/S TAPAN KUMAR RAY (BID ID -3315439)

m/s builders and suppliers (BID ID -3313891)

M/S Hifzur Rahman Mazarbhuiya (BID ID -3315127)

ABDUL AUDUD (BID ID -3314904)

Younus Khan (BID ID -3312742)