CERTAIN REPAIRS/CLEANING OF MANHOLES SEWAGE LINE AND ALLIED WORKS AT STRAND LINE AREA UNDER GE (C) KOLKATA

Amount

Demolition of Cement Concrete of any description and in any position not otherwise specifically provided for complete all as specified and as directed.

Dismantling Reinforced Cement Concrete of any description and in any Position not otherwise specifically provided for, complete all as specified and as directed.

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

Dismantling Floor, Hearth or Wall Tiling including Cement Mortar Bedding (but not backing), and removing rubbish off the Premises, complete all as specified and as 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, debries/ rubbish, etc., complete all as specified and as directed.

Taking down soil pipe/ rainwater pipes (any size or pattern ) including all fitings heads shoes bends swan -necks etc including cleaning or refixing or removal to store (measured over all fixed along the centre line over fitting and ( accessories) complete all as specified and as directed.

Demolition and breaking of drain pipe (salt glazed wire, AC or reinforced concrete) set in cement mortar for 150mm dia pipe complete all as specified and as direceted.

Dismantling 100mm bore Cast iron pipe, jointed in cement mortar in foul places including necessary scaffolding upto four story height of building complete all as specified and as directed.

Excavation in trenches not exc. 1.5 Metre wide and not exc. 1.50 Metre in 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.

Returning, Filling in, including Spreading, Levelling, Watering and Well Ramming in Layers not exc. 25 Cm as in Soft/Loose Soil, complete all as specified and as directed.

Removing excavated Material (Soil) not exc. 50.00 Metre and depositing where directed at a level not exc. 1.50 Metre above the starting point, complete all as specified and as directed.

M&L Pre-cast Reinforced Cement Concrete type B1(1:2:4) using 20 mm graded crushed stone aggregate) as in Cover Slab of Man Holes, Septic Tanks, etc., set in Cement Mortar 1:4 including necessary forms, moulds, etc., complete all as specified and as directed. NOTE : Reinforcement shall be measured and paid separately under relevant Item.

M&L Plain Cement Concrete type C2 (1:3:6) using 40 mm graded aggregate) in Foundation, Filling and Mass Concrete (bed and side of gully trap), complete all as specified and as directed.

M&L Plain Cement Concrete type E2 (1:5:10) using 40 mm graded aggregate as in Foundation, Filling and Mass Concrete for sunken floor complete all as specified and as directed.

M&L Plain Cement Concrete type B1 (1:2:4), using 20mm graded crushed stone aggregate as in surface channels and drains complete all as specified and as directed.

M&L Applying first coat of cement slurry in sunken floor @ 0.488 Kg/Sqm mixed with acrylic based polymer modified cementitous composit compound @0.253 Kg/Sqm, this layer will be allowed to air cure for 4 hours & second layer of cement slurry @0.242 Kg/Sqm mixed with acrylic based polymer modified cemntitious compound @ 0.126 Kg/Sqm this layer will be allowed to air cure for 4 hours followed with water curing for 48 hrs & applying 200 micron thick polythene film paste with help of adhesive and same shall be provided over treatment complete all as specified and directed.

M&L Brickwork with fly ash bricks straight or curved on plan exc 6 m mean radius built in Cement Mortar 1:6, complete all as specified and as directed.

Labour only Brick Work using old bricks obtained from demolition, Straight or Curved on Plan exc. 6.0 Metre mean Radius, built in Cement Mortar 1:6, complete all as specified and as directed.

S&F TMT bars 8 mm dia cut to length, bent to shape required, including cranking, bending spirally for hooping and binding with mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed.

M&L Cement Concrete type B0 (1:2:4) (12.5mm graded aggregate) 25mm thick, in Flooring, finishing concrete surfaces fair and even, complete all as specified and as directed.

M&L Coloured non skid ceramics tiles, joint free 7 to 8mm thick (square/ rectangular), area of each tile exc 0.11 sqm but not exc 0.18 sqm as in floors over and including 15mm thick screed bed/bedding layer in CM 1:6 set and jointed in neat cement slurry and pointed in white/coloured cement to match the existing floor complete all as specified and as directed.

M&L Coloured non skid ceramics tiles, joint free 7 to 8mm thick (square/ rectangular), area of each tile exc 0.06 sqm but not exc 0.11 sqm as in floors over and including 15mm thick screed bed/bedding layer in CM 1:6 set and jointed in neat cement slurry and pointed in white/coloured cement to match the existing floor complete all as specified and as directed.

M&L Coloured non skid ceramics tiles, joint free 7 to 8mm thick (square/ rectangular), area of each tile exc 0.11 sqm but not exc 0.18 sqm on Vertical Surfaces such as Skirting, Dados, Risers to Steps, etc., Set and Jointed in Neat Cement Slurry and Pointed in White or Coloured Cement to match the Shade of the Tiles over and including 10mm thick backing layer in cement mortar (1:4) complete all as specified and as directed.

M&L Glazed Ceramic Coloured Tile 300x200 x 7.0mm /450x350x7mm thick on Vertical Surfaces such as Skirting, Dados, Risers to Steps, etc., Set and Jointed in Neat Cement Slurry and Pointed in White or Coloured Cement to match the Shade of the Tiles over and including 10mm thick backing layer in cement mortar (1:4) complete all as specified and as directed.

M&L Rendering 15mm thick in Cement Mortar 1:6 on Brick Walls or on Concrete Surfaces, finishing plastered surfaces Even and fair without using Extra Cement complete all as specified and as directed.

M&L Salt-Glazed Stoneware Drain Pipes of Internal dia 150mm Grade ‘A’, laid in concrete bed at trenches, jointed in Cement Mortar 1:1 and tested, complete all as specified and as directed. NOTE : Earthwork shall be Measured and Paid separately under relevant Item(s).

M&L Cement Concrete type C2 , 1:3:6 (40mm graded aggregate) as in Concrete bed to salt-glazed stoneware drain pipes of internal dia 150mm, including packing under and haunching against the sides of pipes after they are laid and tested, complete all as specified and as directed.

S&F 380mm dia 50mm thick RCPC (Reinforced Cement Polymer Concrete) Man hole cover with frame of 470mm dia, 100mm thick of 3MT capacity fixed in proper position as in repair complete all as specified and as directed.

S&F 450mm dia 50mm thick RCPC (Reinforced Cement Polymer Concrete) Man hole cover with frame of 540mm dia, 100mm thick of 3MT capacity fixed in proper position as in repair complete all as specified and as directed.

S&F Vitreous China Colour Wash down Water Closet Pan (Pedestal Pattern) with "p" or "s" trap front or back inlet including fixing Bolts with and excluding 10 litre capacity low level Flushing Cistern matching with water closet colour with inlet ball valve float handle and providing 32mm dia PVC flush pipe including plastic water closet seat with flat botton cover (coloured) fixed with mild steel chromium plated or aluminium hinging device and making good disturbed Surfaces in Cement Mortar 1:3 and fixed including Taking down/out unserviceable WC Pan and connected Items, complete all as specified and as directed. Make - Parryware Model No-C0297,C8090 or equivalent make as specified in the particular specfication.

Supply and fix in repairs Vitreous China squatting pan of ‘Orissa pattern’, size 580 mm x 440mm (white) with ‘P’ or ‘S’ trap, front or back inlet and foot rests, any pattern complete including provision of PCC bedding and connection to trap, and to flushing pipe, antisyphonage pipe, etc. complete including making good to floor all as specified and directed by the Engr-in-Charge. Make : Hindware cat no-20042 ,Parryware Cat No C0123 or equivalent model as specified in list of approved makes given here in after in Particuler Specification.

S&F Health faucet with chomium plated with flexible cord fixed on wall screwed down for iron pipes,including necessary fittings etc as in repair complete all as specified and as directed. Make : Jaguar Cat Pt No. ALD-573) or equivalent make as specified in the particular specfication.

S&F UPVC (SWR) Soil, Waste and Ventilating Pipe Type 'B'110mm bore (dia), single socketed, in any length with Rubber Ring Joints fixed to Walls, complete all as specified and as directed.

Refixing of old serviceable PVC (SWR)/RWP pipe, 110mm bore (dia), single socketed, in any length with Rubber Ring Joints fixed to Walls/floor including necessary fittings such as bends, branch piece,Tee etc and making good the disturb surface with cement concrete in (1:2:4) complete all as specified and as directed.

S&F UPVC (SWR) Bend 110mm bore (dia), any type, equal or unequal with Rubber Ring Joints fixed to Walls, complete all as specified and as directed.

S&F Nahani trap / Floor trap with grating for 100mm dia outlet pipe, including making good distrubed area/surfaces with cement concrete type B0 (1:2:4) using 12.5mm coarse aggregate or cement mortar 1:3 etc as in repair complete all as specified and as directed.

Taking out inspection door from soil/waste pipe bend/Tee Y junction and removing blockage material from it for cleaning of blockage and finally refixing the door complete all as specified and directed including necessary scaffolding and safety measure.

Taking down existing broken inspection eye cover from soil/waste/rain water pipe from any position and supply and fix new Cast Iron eye cover with rubber washer and nut bolts for 100/75 mm dia pipe including necessary scaffolding and safety measurers complete all as specified and directed.

S&F 100mm bore cast iron soil waste and vent pipes in any length with or without ears with cement joint fixed to walls including pipe nails, distance pieces, plugs holder bats etc.including scafolding complete all as specified and as directed.

Refixing Old serviceable 100mm bore cast iron soil, waste and vent pipes in any length with or without ears, with cement joints, fixed to walls or floors and disturbed portion of the wall making good with cement concrete in (1:2:4) including distance pieces, plugs, holder bats up to four story height of building with scaffolding etc cmplete all as specified and as directed.

S&F Cast Iron Bend 100mm bore (dia), any radius, Disminishing Pieces or Tapers (Large Bore measured) and fitted with Oval Access Doors including Jointing with Cement Mortar 1:1, complete all as specified and as 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, complete all as specified and as directed.

Removing blockage of WC Wash hand basin floor/nahani trap, gully trap and junctions of soil waste& vent pipe etc manually for day to day complaint with the help of vacuum pump or rodding for complete satisfaction of users including opening and re fixing of CI eye cover to bend and branch piece (Tee bend) and Finally cleaned with water to make the job functional in any locations and in any position of building. Note:- i) Disposal of sludge obtained shall be disoposal of in pit made by contractor and shall be covered with soil. (ii) Rate of disposal of sludge are inclusive in quoted rates (iii) Cost of pit for disposal of waste material shall be deemed to be included in the item rate quoted.

Cleaning of manhole size 900 mmx900mm of depth not exc 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), complete as directed by the Engineer-in-Charge. Note:-(i) Disposal of sludge obtained shall be disposal of in pit made by contractor and shall be covered with soil.. (ii) Rate of disposal of sludge are inclusive in quoted rates. (iii) Cost of pit shall be deemed to be included in the item rate quoted.

Cleaning of manhole size 1200 mm x 1200mm of depth not exc 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), complete as directed by the Engineer-in-Charge. Note:-(i) Disposal of sludge obtained shall be disposal of in pit made by contractor and shall be covered with soil.. (ii) Rate of disposal of sludge are inclusive in quoted rates. (iii) Cost of pit shall be deemed to be included in the item rate quoted.

Cleaning of existing covered (partly / semi or fully filled up) drain, of any opening width and depth by removing and refixing of cover-slab, taking out accumulated silt, mud, earth, rubbish, vegetation etc from the drain and flushing with sufficient quantity of water etc. and cutting of the bushes both side of drain upto 0.5 mtr each side and and removing the same to a distance nexc 50m complete all as specified and as directed by the Engineer-in-Charge. Note:-(i) Any damged done by the Contractor during cleaning shall be make good by the Contractor at his own cost upto the satisfaction of Engineer-in-Charge. (iii) Cost of pit and covered with soil for disposal of waste material shall deemed to be included in the quoted rate.

Cleaning of existing uncovered (partly / semi or fully filled up) drain, of any opening width and depth , taking out accumulated silt, mud, earth, rubbish, vegetation etc from the drain and flushing with sufficient quantity of water etc. and cutting of the bushes both side of drain upto 0.5 mtr each side and and removing the same to a distance nexc 50m complete all as specified and as directed by the Engineer-in-Charge. Note:-(i) Any damged done by the Contractor during cleaning shall be make good by the Contractor at his own cost upto the satisfaction of Engineer-in-Charge. (iii) Cost of pit and covered with soil for disposal of waste material shall deemed to be included in the quoted rate.

Cleaning of under rain water / waste pipe of any dia by rodding / bamboo split including removing and refixing of eye cover in existing position and taking out waste and foreign materials and flushing with sufficient quantity of water etc. and cutting of the bushes both side of pipe line upto 0.5 mtr each side and removing the same to a distance not exceeding 50m where directed, complete all as directed by the Engineer-in-Charge. Note:-(i) Once cleaned the pipe lines, the Contractor shall maintain the lines functional upto the date of Completion at his own cost. (ii) Any damged done by the Contractor during cleaning shall be make good by the Contractor at his own cost upto the satisfaction of Engineer-in-Charge. (iii) Cost of pit and covered with soil for disposal of waste material shall deemed to be included in the quoted rate.

Cleaning of all debris / vegitation over roof surfaces of accessible or unaccessible roof portion upto any height and the mouth of rain water pipe and around the tanks area and removal of materials outside the MOD land including necessary scaffolding and safety measures complete all as directed by Engineer-in-Charge.

Cleaning of existing 100mm dia sewage line upto 1.00m depth from ground level using jute or PVC nylon rope with knot at one end and other end free passed through the line or by rodding & removing all liquid / semi liquid / solid sludge etc including dewatering, desilting and well flushing the line with water and testing on completion complete as directed by the Engineer-in-Charge. Note:-(i) Once cleaned the sewage lines, the Contractor shall maintain the lines functional upto the date of Completion at his own cost. (ii) Any damged done by the Contractor during cleaning shall be make good by the Contractor at his own cost upto the satisfaction of Engineer-in-Charge.

Cleaning of existing 150mm dia sewage line upto 1.50m depth from ground level using jute or PVC nylon rope with knot at one end and other end free passed through the line or by rodding & removing all liquid / semi liquid / solid sludge etc including dewatering, desilting and well flushing the line with water and testing on completion complete as directed by the Engineer-in-Charge. Note:-(i) Once cleaned the sewage lines, the Contractor shall maintain the lines functional upto the date of Completion at his own cost. (ii) Any damged done by the Contractor during cleaning shall be make good by the Contractor at his own cost upto the satisfaction of Engineer-in-Charge.

Cleaning of existing 200mm dia sewage line upto 1.50m depth from ground level using jute or PVC nylon rope with knot at one end and other end free passed through the line or by rodding & removing all liquid / semi liquid / solid sludge etc including dewatering, desilting and well flushing the line with water and testing on completion complete as directed by the Engineer-in-Charge. Note:-(i) Once cleaned the sewage lines, the Contractor shall maintain the lines functional upto the date of Completion at his own cost. (ii) Any damged done by the Contractor during cleaning shall be make good by the Contractor at his own cost upto the satisfaction of Engineer-in-Charge.

S&F Stack clamps out of 50mm by 5mm flat iron and 16mm dia round iron stays including bolts and nuts and securing ends of stays to wall or roof Bore in pipe in 75mm to 150mm as in repair complete all as specified and directed.

M&L Cutting into existing manholes for con-necting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (½ round or ¾ Section) in Cement Concrete 1:2:4 (40mm graded aggregate) smooth finished and reform-ing benching as required, for 100mm dia bore of pipe complete all as speci -fied and as directed.

M&L Cutting into existing manholes for con-necting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (½ round or ¾ Section) in Cement Concrete 1:2:4 (40mm graded aggregate) smooth finished and reform-ing benching as required, for 150mm dia bore of pipe complete all as specified and as directed.

MARUTI ENTERPRISES