Greater Chennai Corporation Tender
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Greater Chennai Corporation Tender
Civil And Construction
Civil Works Others
Eprocure
Opening Date4 Apr 2023
Closing Date6 Jun 2023
Tender AmountRefer Documents
Costs
EMD
₹ 1,00,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2023_GCC_299334_1Bid Award Id
ViewTender No
GCC/KB/JFPR/2022/4Tender Authority
Greater Chennai Corporation ViewPurchaser Address
-Website
http://https://www.chennaicorporation.gov.in/
GEM & Bid Advisory Services
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Documents
BOQ Items
Dismantling, clearing away and carefully stacking materials useful for re-use for any thickness of walls
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Brick / Stone Masonry in cement mortar walls under 3m high
10
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Brick / Stone Masonry in cement mortar walls, add for every additional 3m or part there of over the initial height of 3m
10
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Terracing work in roof or floor
10
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Flag Stone in roof or floor including lifting
10
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Removal of Cut Stone Slabs / RCC Cover Slabs
10
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Refixing Cut Stone Slab / RCC Cover Slab
10
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AC Sheet Roofing without roof timbers
10
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Corrugated Iron Sheet Roofing over Pan Tiles without roof timbers
10
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Old Thatched Roof including tying materials into small bundles for re-use
10
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Wrought and put-up Framed Timbers in roofs / floors
10
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Doors and Windows including removal of frames, hinges and fastenings
10
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Dismantling Plain Cement Concrete
10
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Dismantling RCC
10
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Dismantling RCC using deploying machineries
10
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Chipping of concrete and roughening the surface
10
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Pressed Tiles & Weathering Course
10
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One Course of Pressed Tile Roof finish in cement mortar
25
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One Course of Terrace Bricks Roof finish in cement mortar
25
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Two Course of Flat Tiles Roof finish in cement mortar
25
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Mosaic-in-situ finish in cement mortar in flooring and in wall surface
25
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Floor finish and dadooing walls in cement mortar with Mosaic Tiles / Glazed Tiles / Clay Tiles / Cuddapah Slabs
10
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ORDINARY SOIL (SS20B) Earth work excavating and depositing on bank with initial lead of 10m & initial lift of 2m in Sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil including excavated earth (SS20B)
70
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Sand and Silt Under Water (SS20B) Earth work excavating and depositing on bank with initial lead of 10 m & initial lift of 2m in Slush and silt under water upto 0.75m depth requiring the aid of basket and vessels (SS20B)
70
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HGS SS.20.B. Earth work excavating and depositing on bank with initial lead of 10 m & initial lift of 2m in Hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders SS.20B
70
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Refilling with excavated sand complying with standard specification for filling in foundation and basement.
50
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Refilling with excavated soil (other than sand) complying with standard specification for filling in foundation and basement.
50
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Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :
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1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size de rived from natural sources)
3
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1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) incuding manu- factured sand derived from Recycled Concrete Aggregate (RCA) upto 20% : 3 graded stone aggregate 20 mm nominal size of Recycled Concrete Aggregate (RCA) upto 20%.
3
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1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size de rived from natural sources)
3
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1:2:4 (1 cement : 2 coarse sand incuding manufactured sand derived from Recycled Concrete Aggregate (RCA) upto 20% : 4 graded stone aggregate 20 mm nominal size of Recycled Con crete Aggregate (RCA) upto 20%).
3
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Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :
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1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)
10
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1:1.5:3 (1 cement : 1.5 coarse sand incuding manufactured sand derived from Recycled Concrete Aggregate (RCA) upto 20% : 3 graded stone aggregate 20 mm nominal size Recycled Concrete Aggregate (RCA) upto 20%
10
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Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).
10
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Centering and shuttering including strutting, propping etc. and removal of form for
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Foundations, footings, bases of columns, etc. for mass concrete
50
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Suspended floors, roofs, landings, balconies and access platform
50
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Shelves (Cast in situ)
10
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Lintels, beams, plinth beams, girders, bressumers and cantilevers
10
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Columns, Pillars, Piers, Abutments, Posts and Struts
50
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Stairs, (excluding landings) except spiral-staircases
50
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Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.-Thermo-Mechanically Treated bars of grade Fe-500D or more.
100
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Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level.-Thermo-Mechanically Treated bars of grade Fe-500D or more.
100
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Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in Cement mortar 1:6 (1 cement : 6 coarse sand)
30
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Brick work with common burnt clay machine moulded perforated bricks of class designation 12.5 conforming to IS: 2222 in superstructure above plinth level up to floor five level in cement mortar 1:6 (1 cement : 6 coarse sand) With F.P.S.(non modular) bricks
30
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Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundations and plinth in cement mortar 1:4 (1 cement : 4 coarse sand)
100
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Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level.
100
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12 mm cement plaster of mix 1:6 (1 cement: 4 fine sand)
150
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15 mm cement plaster on the rough side of single or half brick wall of mix 1:6 (1 cement: 6 fine sand)
150
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6 mm cement plaster of mix 1:3 (1 cement : 3 fine sand)
100
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Pointing on brick work or brick flooring with cement mortar 1:3 (1 cement : 3 fine sand):
50
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White washing with lime to give an even shade : New work (three or more coats)
150
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Distempering with oil bound washable distemper of approved brand and manufacture to give an even shade : New work (two or more coats) over and including water thinnable priming coat with cement primer
150
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Finishing walls with water proofing cement paint of required shade : New work (Two or more coats applied @ 3.84 kg/10 sqm)
150
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Painting wood work with Deluxe Multi Surface Paint of required shade. Two or more coat applied @ 0.90 ltr/10 sqm over an under coat of primer applied @0.75 ltr/10 sqm of approved brand and manufacture
150
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Painting Steel work with Deluxe Multi Surface Paint to give an even shade. Two or more coat applied @ 0.90 ltr/ 10 sqm over an under coat of primer applied @ 0.80 ltr/ 10 sqm of approved brand and manufacture
20
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Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete. 40 mm thick with 20 mm nominal size stone aggregate
15
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Cement plaster skirting up to 30 cm height, with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement. 18 mm thick
10
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Providing and laying vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS: 15622, of approved make, in all colours and shades, laid on 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand), jointing with grey cement slurry @ 3.3 kg/ sqm including grouting the joints with white cement and matching pigments etc., complete.
75
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Providing and Laying first quality virtified tiles of all colour of tiles 605mm x 605mm x 9.6mm in CM 1:3, 12mm thick including pointing with white cement. Labour, Material, etc., (Relevent ISI Std)
50
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Kota stone slab flooring over 20 mm (average) thick base laid over and jointed with grey cement slurry mixed with pigment to match the shade of the slab, including rubbing and polishing complete with base of cement mortar 1 : 4 (1 cement : 4 coarse sand) : 25 mm thick
50
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Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge.
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With cement mortar 1:4 (1 cement : 4 fine sand)
200
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With cement mortar 1:4 (1cement: 4 coarse sand)
200
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Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba all complete as per direction of Engineer-in-Charge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre) (if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)
5000
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Cleaning and desilting of gully trap chamber, including removal of rubbish mixed with earth etc. and disposal of same, all as per the direction of Engineer-in-charge.
100
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Cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desilting of manholes and dechocking of sewer lines. Dechocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 150mm dia upto 300mm
550
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Disconnecting damaged overhead/terrace PVC water storage tank of any size from water supply line and removing from the terrace including shifting at ground level as per direction of Engineer-in- charge.
10
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Dismantling W.C. Pan of all sizes including disposal of dismantled materials i/c malba all complete as per directions of Engineer-in- Charge.
35
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Providing and laying integral cement based water proofing treatment including preparation of surface as required for treatment of roofs, balconies, terraces etc consisting of following operations:
35
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(a) Applying a slurry coat of neat cement using 2.75 kg/sqm of cement admixed with water proofing compound conforming to IS. 2645 and approved by Engineer-in-charge over the RCC slab including adjoining walls upto 300 mm height including cleaning the surface before treatment.
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(b) Laying brick bats with mortar using broken bricks/brick bats 25 mm to 115 mm size with 50% of cement mortar 1:5 (1 cement : 5 coarse sand) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge over 20 mm thick layer of cement mortar of mix 1:5 (1 cement :5 coarse sand ) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge to required slope and treating similarly the adjoining walls upto 300 mm height including rounding of junctions of walls and slabs.
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(c) After two days of proper curing applying a second coat of cement slurry using 2.75 kg/ sqm of cement admixed with water proofing compound conforming to IS : 2645 and approved by Engineer- in-charge.
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(d) Finishing the surface with 20 mm thick jointless cement mortar of mix 1:4 (1 cement :4 coarse sand) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer- in-charge including laying glass fibre cloth of approved quality in top layer of plaster and finally finishing the surface with trowel with neat cement slurry and making pattern of 300x300 mm square 3 mm deep.
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(e) The whole terrace so finished shall be flooded with water for a minimum period of two weeks for curing and for final test.“All above operations to be done in order and as directed and specified by the Engineer-in-Charge :
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Providing and laying water proofing treatment in sunken portion of WCs, bathroom etc., by applying cement slurry mixed with water proofing cement compound consisting of applying :
100
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(a) First layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound @ 0.253 kg/ sqm. This layer will be allowed to air cure for 4 hours.
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(b) Second layer of slurry of cement @ 0.242 kg/sqm mixed with water proofing cement compound @ 0.126 kg/sqm. This layer will be allowed to air cure for 4 hours followed with water curing for 48 hours. (The rate includes preparation of surface, treatment and sealing of all joints, corners, junctions of pipes and masonry with polymer mixed slurry.)
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The shutter frame filled with a UPVC multi-chambered single panel of size not less than 620 mm, having over all thickness of 20 mm and 1 mm (± 0.1 mm) wall thickness . The panels filled vertically and tie bar at two places by inserting horizontally 6 mm galvanised M.S. rod and fastened with nuts and washers, complete as per manufacturer's specification and direction of Engineer-in-charge.
20
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25 mm thick PVC flush door shutters made out of a one piece Multi chamber extruded PVC section of the size of 762 mm X 25 mm or less as per requirement with an average wall thickness of 1 mm (± 0.3 mm). PVC foam end cap of size 23x10 mm are provided on both vertical edges to ensure the overall thickness of 25 mm. M.S. tube having dimensions 19 mm x 19 mm and 1.0 mm (± 0.1 mm) is inserted along the hinge side of the door. Core of the door shutter should be filled with High Density Polyurethane foam. The Top & Bottom edges of the shutter are covered with an end-cap of the size 25 mm X 11 mm. Door shutter shall be reinforced with special polymeric reinforcements as per manufacturer’s specification and direction of Engineer-in-charge to take up necessary hardware and fixtures. Stickers indicating the locations of hardware will be pasted at appropriate places including all fittings as desired by the Engineer-Incharge
20
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Casement window single panel with S.S. friction hinges (300 x 19 x 1.9 mm), made of (small series) frame 47 x 50 mm & sash 47 x 68 mm both having wall thickness of 1.9 ± 0.2 mm and single glass pane glazing bead of appropriate dimension. (Area of window upto 0.75 sqm.) Including all window fittings desired by the Engineer-incharge
20
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Casement window double panels with S.S. friction hinges (300 x 19 x 1.9 mm) made of (small series) frame 47 x 50 mm, sash 47 x 68 mm & mullion 47 x 68 mm all having wall thickness of 1.9 ± 0.2 mm and single glazing bead of appropriate dimension. (Area of window above 0.75 sqm upto 1.50 sqm). including all fittings as required by the Engineer Incharge
20
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Providing and fixing water closet squatting pan (Indian type W.C. pan ) with 100 mm sand cast Iron P or S trap, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever) conforming to IS : 7231, with all fittings and fixtures complete, including cutting and making good the walls and floors wherever required: White Vitreous china Orissa pattern W.C. pan of size 580x440 mm with integral type foot rests
50
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Providing and fixing white vitreous china flat back half stall urinal of size 580x380x350 mm with white PVC automatic flushing cistern, with fittings, standard size C.P. brass flush pipe, spreaders with unions and clamps (all in C.P. brass) with waste fitting as per IS : 2556, C.I. trap with outlet grating and other couplings in C.P. brass, including painting of fittings and cutting and making good the walls and floors wherever required : Single half stall urinal with 5 litre P.V.C. automatic flushing cistern
50
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Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require: White Vitreous China Wash basin size 630x450 mm with a single 15 mm C.P. brass pillar tap
50
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Providing and fixing white vitreous china laboratory sink with C.I. brackets, C.P. brass chain with rubber plug, 40 mm C.P brass waste and 40mm C.P. brass trap with necessary C.P. brass unions complete, including painting of fittings and brackets, cutting and making good the wall wherever required :Size 600x450x200 mm
10
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Providing and fixing P.V.C. low level flushing cistern with manually controlled device (handle lever) conforming to IS : 7231, with all fittings and fixtures complete. 10 litre capacity - White
50
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Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete. Semi rigid pipe 40 mm
50
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-
Providing and fixing 100 mm sand cast Iron grating for gully trap.
100
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Providing and fixing 600x450 mm beveled edge mirror of superior glass (of approved quality) complete with 6 mm thick hard board ground fixed to wooden cleats with C.P. brass screws and washers complete.
20
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Providing and fixing soil, waste and vent pipes : 100 mm Centrifugally cast (spun) iron socket & spigot (S&S) pipe as per IS: 3989
200
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Providing and fixing soil, waste and vent pipes : 75 mm Centrifugally cast (spun) iron socket & spigot (S&S) pipe as per IS: 3989
200
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Providing and fixing bend of required degree with access door, insertion rubber washer 3 mm thick, bolts and nuts complete. 100 mm Hubless centrifugally cast (spun) iron epoxy coated inside & outside as per IS:15905
50
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Providing and fixing bend of required degree with access door, insertion rubber washer 3 mm thick, bolts and nuts complete. 75 mm Hubless centrifugally cast (spun) iron epoxy coated inside & outside as per IS:15905
50
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Providing and fixing plain bend of required degree. 100 mm Hubless centrifugally cast (spun) iron pipes epoxy coated inside & outside IS:15905
50
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Providing and fixing plain bend of required degree. 75 mm Hubless centrifugally cast (spun) iron pipes epoxy coated inside & outside IS:15905
45
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Painting sand cast iron/ centrifugally cast (spun) iron soil, waste vent pipes rain water and fittings with two coats of synthetic enamel paint of any colour such as chocolate grey, or buff etc. over a coat of primer (of approved quality) for new work : 100 mm dia pipe
200
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Painting sand cast iron/ centrifugally cast (spun) iron soil, waste vent pipes rain water and fittings with two coats of synthetic enamel paint of any colour such as chocolate grey, or buff etc. over a coat of primer (of approved quality) for new work : 75 mm dia pipe
100
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-
Providing and fixing 3 layer PP-R (Poly propylene Random copolymer) pipes confirming to IS:15801, UV stabilized & anti - microbial fusion welded, having thermal stability for hot & cold water supply, including all PP - R plain & brass threaded polypropylene random fittings, i/c fixing the pipe with clamps at 1.00 m spacing. This includes the cost of cutting chases and making good the same including testing of joints complete as per direction of Engineer-in-Charge.
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INTERNAL WORK - Concealed work, including cutting chases and making good the wall
etc
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PN - 16 Pipe, 20mm OD (SDR-7.4)
50
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PN - 16 Pipe, 25mm OD (SDR-7.4
50
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PN - 16 Pipe, 32mm OD (SDR-7.4)
50
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-
Providing and fixing 3 layer PP-R (Poly propylene Random copolymer) pipes confirming to IS:15801 UV stabilized & anti - microbial fusion welded, having thermal stability for hot & cold water supply, including all PP - R plain & brass threaded polypropylene random fittings, including trenching, refilling & testing of joints complete as per direction of Engineer-in-Charge.
-
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External work
-
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PN - 16 Pipe, 20mm OD (SDR-7.4)
30
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PN - 16 Pipe, 25 mm OD (SDR-7.4)
30
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PN - 16 Pipe, 32 mm OD (SDR-7.4)
30
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PN - 16 Pipe, 40 mm OD (SDR-7.4)
30
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-
PN - 10 Pipe, 50 mm OD (SDR-11)
30
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PN - 10 Pipe, 63 mm OD (SDR-11)
30
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PN - 10 Pipe, 75 mm OD (SDR-11)
20
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PN - 10 Pipe, 90 mm OD (SDR-11)
20
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PN - 10 Pipe, 110 mm OD (SDR-11)
10
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PN - 10 Pipe, 160 mm OD (SDR-11)
15
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BRASS FITTINGS
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Providing and fixing brass bib cock of approved quality :
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15 mm nominal bore
50
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20 mm nominal bore
50
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Providing and fixing brass stop cock of approved quality :
-
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15 mm nominal bore
50
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20 mm nominal bore
50
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-
Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :
-
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25 mm nominal bore
20
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20 mm nominal bore
20
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32 mm nominal bore.
15
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40 mm nominal bore
5
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50 mm nominal bore
2
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65 mm nominal bore
2
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80 mm nominal bore
2
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Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete :
-
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15 mm nominal bore
10
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20 mm nominal bore
10
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25 mm nominal bore
10
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Providing and fixing gun metal non- return valve of approved quality (screwed end) :
-
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25 mm nominal bore
-
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Horizontal
5
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Vertical
5
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32 mm nominal bore
-
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Horizontal
5
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Vertical
5
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40 mm nominal bore
-
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Horizontal
2
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Vertical
2
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Constructing masonry Chamber 60x60x75 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) fwith RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size ) , i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design : With common burnt clay F.P.S.(non modular) bricks of class designation 7.5
25
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Constructing masonry Chamber 90x90x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) with RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ), i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design : with common burnt clay F.P.S.(non modular) bricks of class designation 7.5
10
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-
Supplying and Erecting SINTEX or approved equivalent make HDPE plastic vertical cylinderical 2000 litre water storage tank. Strictly adhering ISI standard as per ISI Mark 12701 (Latest revision) including all taxes and freight charges within Corpn.City limit.
5
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C.P. BRASS FITTINGS
-
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Providing and fixing C.P. brass bib cock of approved quality conforming to IS:8931 : 15 mm nominal bore
10
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Providing and fixing C.P. brass long nose bib cock of approved quality conforming to IS standards and weighing not less than 810 gms. 15 mm nominal bore
10
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Providing and fixing C.P. brass long body bib cock of approved quality conforming to IS standards and weighing not less than 690 gms. 15 mm nominal bore
10
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Providing and fixing C.P. brass stop cock (concealed) of standard design and of approved make conforming to IS:8931. 15 mm nominal bore
10
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Providing and fixing C.P. brass angle valve for basin mixer and geyser points of approved quality conforming to IS:8931 15mm nominal bore
10
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Providing and fixing C.P. Brass extension nipple (size 15mmx50mm) of approved make and quality as per direction of Engineer-in-charge.
10
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Construction of Borewell
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Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in-charge, upto 90 metre depth below ground level. Al kind of soil -300 mm dia
350
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-
Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS: 12818, including required hire and labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer -in-charge.-150 mm nominal dia
350
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-
Supplying, filling, spreading & leveling stone boulders of size range 5 cm to 20 cm, in recharge pit, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.
10
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Supplying, filling, spreading & leveling gravels of size range 5 mm to 10 mm, in the recharge pit, over the existing layer of boulders, in required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.
10
-
-
Supplying, filling, spreading & leveling coarse sand of size range 1.5 mm to 2 mm in recharge pit, in required thickness over gravel layer, for all leads & lifts, all complete as per direction of Engineer -incharge.
10
-
-
Gravel packing in tubewell construction in accordance with IS: 4097, including providing gravel fine/ medium/ coarse, in required grading & sizes as per actual requirement, all complete as per direction of
Engineer-in-charge.
10
-
-
Providing and fixing factory made precast RCC perforated drain covers, having concrete of strength not less than M-25, of size 1000 x 450x50 mm, reinforced with 8 mm dia four nos longitudinal & 9 nos cross sectional T.M.T. hoop bars, including providing 50 mm dia perforations @ 100 to 125 mm c/c, including providing edge binding with M.S. flats of size 50 mm x 1.6 mm complete, all as per direction of Engineerin-charge.
7
-
-
Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel screwed and socketed/plain ended casing pipes of required dia, conforming to IS: 4270, of reputed & approved make, including painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer-in-charge 150 mm nominal size dia having minimum wall thickness 5.00 mm
400
-
-
Development of tube well in accordance with IS : 2800 (part I) and IS: 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by "V" notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge
168
-
-
Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for borewell of: 150 mm dia
7
-
-
Providing and fixing M.S. clamp of required dia to the top of casing/ housing pipe of tubewell as per IS: 2800 (part I), including necessary bolts & nuts of required size complete. For 150 mm dia
7
-
-
Providing and fixing Bail plug/ Bottom plug of required dia to the bottom of pipe assembly of tubewell as per IS:2800 (part I).-150 mm dia
7
-
-
Removing exposed exisitng water supply/sanitory/sewrage lines, cleaning and refixing by concealing it I walls and groud as required
150
-
-
Supplying and installation of Incinerator for sanitory pad, wall mounted type procured from ISO certified manufacturere, minimum capacity 50 napkins per day, duration to destroy 4 minutes for 4 napkins, auto power off, construction material MS CRCA IS 1513 D Grade with ceremic insulation, should have ash collection tray, auto thermal cutt off emision outlet, tempreature display, timer display and top slidding door as per the approval of Engineer-Incharge
17
-
-
Assessement of exisitng RO plants and reparing it to make it fully functional
5
-
-
Supply and installation of RO plant of the following specifications:
Purification capacity : 10 liter per hour Max Duty Cycle0±20 Liters per hour
Membrane: 3 Nos
Treatment stages: (1) Sediment (2) Carbon (3) Sediment (4) RO Membrane (5) Post Carbon Filter (6) TDS Controller
RO Membranes : 300 GPD (3 units)
Solenoid Valve : 220 V
Minimum Inlet Water Pressure: 0.3 kg/sq. cm
Maximum Inlet Water Pressure : 2 kg/sq. cm.
Input Voltage Max : 300V AC ( 50Hz)
Operating Voltage : 24V DC
Input water Temperature : Min 5 Celsius & Max 50 Celsius
Total Dissolved Solids (TDS): Up to 1500 ppm
Total Hardness : 500 ppm (max)
Rejection of TDS : Up to 93%
Recovery : Up to 30%
16
-
-
Provisional sum
1
-
-
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