Chennai Metropolitan Water Supply And Sewerage Board Tender

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Chennai Metropolitan Water Supply And Sewerage Board - CMWSSB Tender

Civil And Construction
Drainage Work
Eprocure
Opening Date14 Jul 2023
Closing Date1 Aug 2023
Tender Amount₹ 1,04,22,922 
This is an estimated amount, exact amount may vary.
Notes
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BOQ Items

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DO_NOT_SHOW

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Supply and Delivery of DWC Structured Wall Polyethylene Piping Systems (Pipe with online/offline coupler and elastomeric sealing ring) with required specials non-smooth external annularcorrugated and smooth internal surface (Double wall) (SN8 Class) for non-pressure underground sewerage,drainage application generally as per IS-16098 (Part-2) type B 200mm dia.

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1m depth

35

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1.5m depth

45

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Construction of Machine holes using sulphate resistant cement at various depths to invert including earthwork excavation as per SS20B,laying cement concrete in C.M.1:3:6 using Crushed stone sand (Msand) and 40mm B.G.jelly for foundation,sinking well kerb below G.L. for 4.5m depth and above, pumping, timbering charges for 2.5m depth and above,stock brick work in C.M.1:3, for 23cm thick wall and over 23cm thick wall, plastering interior with C.M.1:3, 20mm thick and exterior with C.M.1:3, 12mm thick, laying plain cement concrete 1:3:6 using 12.0mm to 20mm B.G. jelly fixing the frame, providing C.I.steps, machine hole cover and frame, benching and channelling including refilling the trench with excavated earth and disposal of surplus earth etc.complete forthe following sizes for each machine hole

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1m Depth

1

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1.5m Depth

3

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Providing and laying in position machine batched,machine mixed and machine vibrated design mix cement concrete of M25 grade for reinforced cement concrete structural elements under controlled water cement ratio with plasticiser using 20mm and down graded machine broken granite stone jelly excluding the cost of centering and shuttering and reinforcement but including curing, fixing, fan clamps etc.,as per standard specification and as directed by the Board officers complete.

1.8

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Testing of M.S./C.I./P.V.C./D.I pipes with hydraulic testing equipment by filling with water(including cost of water @ Rs.73/KL) and testing to recommended pressure in convenient stetches and attending the bursts if any occured during the test, excluding the cost of pipes, including other incidental and operational charges, etc., complete for the following diametres of pipes. 200mm dia

1000

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Making Rubber joints including jointing materials 200mm dia Labor Only

190

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Cutting C.I Pipes

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200mm dia

10

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150mm dia

3

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Supplying, Conveying and fixing of CI specials

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200mm CI D/S 90⁰ deg bend

5

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200mm CI D/S 45 deg bend

2

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200mm CI D/S 22 1/2 deg bend

2

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200mm CI D/S 11 1/2 deg bend

2

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100mm CI D/F 90⁰ deg bend

2

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Supplying,Conveying and fixing CI collar including earth work excavation

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200 mm dia CI MJ Collar

3

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Supplying, Conveying and fixing Sluice valve with tail pieces including fixing the surface boxes / valves and covers

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100mm dia

1

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Supplying and fixing double air valve including fixing the surface boxes / valves and covers - 100 mm dia

1

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Specials for 100mm dia sluice valve

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100mm dia F/Spigot Tail Piece

1

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100mm dia F/Socket Tail Piece

1

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100mm dia Flange-0.5m

2

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CI Specials for 100 mm Air valve

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200 x 200 x 100mm D/Soc Flanged Tee

1

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Construction of chamber for 100mm to 250mm dia. sluice valve including providing and fixing FRC cover and frame of size 60 x 60cm for size 1.35 x 1.2 x 1.55 m

1

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Construction of 100mm Double Air Valve chamber for 100mm to 350mm dia.pipeline including providing and fixing FRC cover and frame of size 60 x 60cm for size 1.2 x 0.9 x 1.8 m

1

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Making holes in the existing collection well by core cutting machine to insert 200mm dia D.I pipe.

2

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Storm Water Drain Crossing

5

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Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3 mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/ caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night

2000

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Bill No.2. Construction of well at TNHB 205 flats

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Suction well

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Earthwork excavation in hard stiff clay, stiff black cotton, hard red earth, shales, Muram, gravel, stoney earth and earth mixed with small size boulders S.S. 20-B.with initial lead of 10m and lift of 2.0m

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For 0 to 2 m depth

37.71

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Providing form work with centering for soffits of reinforced cement concrete slabs or plain surfaces including shuttering for RCC well curb and well steining.

-

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Upto 1m above and 3m below GL

92.52

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6 m to 7 m below GL

0.96

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Providing and laying in position machine batched, machine mixed and machine vibrated design mix. Sulphate resistance cement concrete of M30 grade for reinforced cement concrete structural elements under controlled water cement ratio with plasticiser using 20mm and down graded machine broken granite stone jelly excluding the cost of centering and shuttering and reinforcement but including curing, etc. as per standard specification and as directed at site

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Up to 1.5m Below & 1.0m above ground level

25.27

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From 1.5m to 4.5m below ground level

2.76

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From 4.5m to 9.0m below ground level

2.83

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C.C 1:2:4 using 20mm gauge hard broken stone jelly for PCC works using Sulphate resistance cement including laying, ramming, curing etc complete for benching and channeling as directed.

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4.5m to 9m depth

1.09

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Providing point edge to well curb using ISA 150x75x10 mm of weight 16.9 kg/m

196.44

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Sinking of well below water level including all incidental charges using special tools and plants such as air compressior, helmet etc., complete and including baling out water

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3m dia well

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First depth of 2m

2

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Second depth of 2m

2

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Third depth of 2m

0.56

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Plugging the bottom of the well using C.C 1:3:6 using 40mm gauge hard broken stone jelly with 10% excess cement for plain cement concrete works including laying in layers of not more than 15cm thick including ramming curing etc complete

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4.5m to 9m depth

2.64

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Supplying and fabricating CRS bars manufactured by Primary steel producers/Integrated Steel Plants as per IS:1786-2008,including fixing with binding wires, assembling and laying in position for all RCC works as follows

3795.43

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Plastering with C.M.1:3 Using Sulphate resistance cement for 20mm thick including curing etc complete.(well inner)

72.2

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Plastering with C.M.1:3 for 12mm thick including curing etc complete.(well outer)

15.3

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Refilling with excavated soil (other than sand) complying with standard specifications for filling in foundations & basement

16.21

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Disposal of surplus earth

70.53

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Supplying and fixing C.I.steps.

22.87

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Colour washing two coats over one coat white washing

15.3

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Supply and erection of Cast Iron single faced manually operated rising type 200mm dia penstock conforming to relevant IS with IS markings on it, having cast iron door and frame with Gunmetal seating, spindle made of Stainless steel, CI head stock with gear arrangment and hand wheel fitted in well.

1

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Supplying and fixing SS screen of grade 316. The screen shall be fabricated out of stainless steel flats of 50 x 10mm. The outer frame also shall be of 50 x 10mm fixed inside the well for seating the screen. The screen shall be so fabricated that the inclined portion of the screen is fixed and the horizontal portion of the screen is a removable one for lifting the pump for maintenance purpose.

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outer frame and 50x10mm SS flats spaced at 35mm centre to centre to serve bar screens inside the screen well

1252

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Supply and installation of SS open mesh flooring with 25x6mm thick flats for outer frame and 25x3mm SS and 12x3mm SS flats spaced at 30mm and 60mm respectively and 50x10mm SS flats for mesh support and 50x50x6mm SS angle for opening forming a mesh over the surface of the well etc,complete

322.69

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Construction of Column & Erection

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Providing and laying in position machine batched, machine mixed and machine vibrated design mix. Sulphate resistance cement concrete of M30 grade for reinforced cement concrete structural elements under controlled water cement ratio with plasticiser using 20mm and down graded machine broken granite stone jelly excluding the cost of centering and shuttering and reinforcement but including curing, etc. as per standard specification and as directed at site

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upto 1.5m from G.L

0.1

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1.5 m to 4.5m above G.L

0.5

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Providing form work with centering for soffits of reinforced cement concrete slabs or plain surfaces including strutting upto 3m high.

-

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upto 3.0m from G.L for column

4.8

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above 3.0 m to 4.0 m

2.4

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Supplying and fabricating CRS bars manufactured by Primary steel producers/Integrated Steel Plants as per IS:1786-2008,including fixing with binding wires, assembling and laying in position for all RCC works

54

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Plastering with C.M.1:3 for 12mm thick including curing etc., complete.

8

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Colour washing two coats over one coat of white washing

8

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Supply and fixing ISMB 300mm of 42.2kg/m for 3.7m on column over screen/grit well

160

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Erecting pulley block of 1Tonne capacity with a 6m chain including additional chain length of 7m facilitate for horizontal movement on the beam etc complete

1

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Painting with superior quality ready mixed paint of chocolate, light green, grey or any other approved colour over ISMB (for new iron work two coats).

4

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Valve chamber

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Earth work excavation in all kinds of soils except hard rock requiring blasting inclusing of shoring strutting and bailing out water whereever necessary refilling the sides of foundation with excavated earth in layers of 15cm thick well rammed and consolidated depositing surplus earth within in compound in places as shown by the departmental officers clearing and levelling the site with initial lead of 10mts. and lift of 2m etc. complete.

20

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Supplying and filling with sand for foundation and basement as per standard specification

2

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Cement concrete 1:3:6 using 40mm gauge hard broken stone jelly & SRC for plain cement concrete works including laying in layers of not more than 15cm thick including ramming curing, etc., complete

1

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Providing and laying in position machine batched, machine mixed and machine vibrated design mix. Sulphate resistance cement concrete of M30 grade (using SRC) for reinforced cement concrete structural elements under controlled water cement ratio with plasticiser using 20mm and down graded machine broken granite stone jelly excluding the cost of centering and shuttering and reinforcement but including curing, etc. as per standard specification and as directed at site

4

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Supplying and fabricating CRS bars manufactured by Primary steel producers/Integrated Steel Plants as per IS:1786-2008,including fixing with binding wires, assembling and laying in position for all RCC works

363

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Precast slab in Cement Concrete 1:2:4 using 12-20mm BG jelly for reinforced cement concrete works including cost of steel, centering, shuttering and cost of steel reinforcement and including laying in position, compacting, curing, finishing, etc., complete.

4.6

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Providing formwork with centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3.0m high etc complete complying with standard specifications.

26

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Plastering with cement mortar 1:3 (SRC) for 20mm thick including curing, etc., complete.

11

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Plastering with cement mortar 1:3 (SRC) for 12 mm thick including curing, etc., complete.

13

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Refilling with excavated soil (other than sand) compling with standard specification for filling in foundation and basement etc. complete

8.87

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Disposal of earth work

10.36

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Supplying and fixing C.I.steps.

5

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Pipes & specials

-

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Supplying, conveying and fixing the following CI specials as per IS 1538 & CI pipes as per IS 1536 etc. complete.

-

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Delivery Pipe & related Specials within Well

-

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100 mm dia CI D/F Duckfoot Bend

2

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150 x 100 mm CI D/F taper

2

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150 x 200mm CI D/F Taper

1

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150 mm dia CI - 1m D/F pipe

2

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150 mm dia CI - 0.5m D/F pipe

2

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150 mm dia CI - 1.5m D/F pipe

2

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150 mm dia CI - 2m D/F pipe

4

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150 mm dia CI D/F 90 deg Bend

5

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150x150mm dia AF Tee

1

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150 mm dia CI non-return valve

2

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150 mm dia CI sluice valve

2

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150mm dia CI Blank Flange

2

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150mm dia CI Fl/Spi Tail Piece

1

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Jointing the C.I.Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete and testing the pipies to the required pressure with water (including cost of jointing materials) For depth upto 2m,

-

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150mm dia

20

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100mm dia

4

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6.Kiosk

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Earth work excavation in hard stiff clay, stiff black cotton, hard red earth, shales, murum, gravel, stoney earth and earth mixed with boulders and hard gravely soil as per SS20B with initial lead of 10m and lift of 2m

3.5

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Supplying and filling with sand for foundation and basement including watering consolidationg ramming etc. complete cross wall, basement and steps.

6

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Cement Concrete 1:4:8 using broken jelly 40mm Gauge hard broken stone jelly for plain cement concrete works including laying in layers of not more than 15cm thick including ramming curing etc.complete

2.1

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Stock brick work with II class bricks in C.M 1:4 for 23cm thick wall including curing etc. complete.

2.5

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Plastering with cement mortar 1:3 for 12mm thick including curing, etc., complete. (Sch.No.11.9 p.104 of S.O.R 2019-20)

21

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M.S Sheet 2mm thick(15.7 kg/m2)

-

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50 x 50 x 6 mm M.S Angles(4.5 kg/m)

-

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25 x 25 x 5 mm M.S Angles(1.8 kg/m)

767

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Painting with two coats of ready mixed plastic emulsion paint first class quality and of approved colour over priming coat including thorough scrapping clean removal of dirt, etc., complete and including necessary plaster of paris, putty, etc., wherever required for (40.20 x 2 x 2.25) 180.90sq.m

180.9

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Submersible pumpset

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Supply, delivery, erection, testing and commissioning of non-clog submersible sewage pumpset with following duty point, driven by 3 Ph, 415 V, AC, 50 Hz, Electrical Motor with suitable weather proof cable (Copper ) of total length of 20 m, control panel, Pedestal Coupling, required length of guide wire / guide pipe, M.S.(GLVD) lifting chain, necessary level controlling probes with sufficient length of armoured copper LTUG cable to connect the probe from the junction box to the control panel, fasteners including laying of pump cable under ground with suitable conduit and clamping on walls in trays and incidental civil works etc.complete.

-

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Sew. Pump - 660 lpm against a total head of 11 m

2

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Supply, delivery, erection, testing and commissioning of following sizes of power shunt capacitor for power factor improvement, suitable to operate on 415V, 3Ph,50Hz A/C supply, on suitable angle iron frame-works (37.5 mm x 37.5 mm x 6.24mm ) at a height of 0.25m from the ground, including earthing and incidental civil works etc., complete.

-

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Sew. Pump - 1 kVAR

2

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Supplying and fixing of 32 Amps Triple Pole fuse carrier in MS Sheet steel encloure with provision for accommodating the TNEB meter including earthing etc., complete.

1

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Supplying and fixing of 32 Amps Triple Pole SFU with HRC fuses on suitable angle iron frame with earth connection only.

1

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Supply, delivery, erection, testing and commiossioning of floor mounted M.V.panel with aluminium bus bars and consisting of the following accessories with necessary interconnections between busbars, switches and trunking box, measuring instruments such as voltmeters,ammeters with selectorswitches, energy meter,phase indicating lamps, etc., complete with incidental civil works & constructing concrete plinth for MV Panel above MFL and comprising of following;

-

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Capacity of M.V. Panel - 32 Amps

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32 A FP(SN) MCCB 25 kA (for EB) - 1 No

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16 A TP MCCB 25 kA for Sew. Pump - 2 Nos

-

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16A TPMCCB25kA (forSew. Pumpcap.)-2Nos

-

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16A TPMCC\B25kA (for LDB )-1 No

1

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Supplying and clamping of variuos sizes of PVC insulated PVC sheathed armoured aluminium LT UG cable by MS clamps on wall or in a trench to be excavated at a depth of 2 ½ ' putting 6” layer of sand and covering the cable with brick and sand refilling the earth to make good as directed.

-

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From 32 Fuse Carriers to 32 Amps SFU & from there to 32 Amps MCCB Switch of MV panel (Wall)

-

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size 4C, 6 Sqmm

10

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From 16 A MCCB of MV Panel to Control Panel of Sew. Pump (Wall)

-

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size 4C, 6 Sqmm

30

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From 16 A MCCB of MV Panel to Sew. Pump Capacitors (Wall)

-

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size 3C, 6 Sqmm

15

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From 32A MCB of MV Panel to LDB and PLC Panel (Wall) size 2 core 4 sq.mm

35

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From control Panel of Pump to Local P.B. Station and for PLC signal cables size 3 core 2.5 sq.mm copper (Under ground)

40

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From Control Panel of Pump to well size 4 core 2.5 sq.mm copper

40

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Supplying and fixing of cable gland and termination with Al. cable lugsfor the following sizes of PVC insulated PVC sheathed armoured alumunium LT UG cable and with earth connection.

-

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size 4C, 6 Sqmm (EB)

4

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Size 4C, 6 sq.mm (Sew. Pump)

4

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size 3C, 6 Sqmm (Sew. Pump capacitor)

4

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Size 2 core 4 sq.mm (LDB &PLC)

6

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size 3 or 4 core 2.5/1.5 sq.mm copper

12

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Supply, delivery and erection of Single Phase 6 way 16 Amps, 10kA LDB with the following: 1 No. of 16A, DP RCCB 4 Nos of 6A, SP MCB in sheet steel enclosure fitted with busbars and neutral links and suitable angle iron frame works with provision for earthing etc. complete.

1

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Run of 2 of 2.5 sq mm PVC unsheathed aluminium single core cable in PVC pipe for mains with continuous earth connection by 14 SWG wire From the MCB DB to the Switch boards in office, store,and 16A power socket.

4

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Wiring with 2.5 sq mm PVC insulated single core aluminium cables of 650 V Grade on suitable rigid PVC pipe on wall and ceiling with PVC accessories, with MS switch box covered with 3 mm thick hylam sheet with continous earth wire connection of 14 SWG TC wire.

-

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Light points

8

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Wiring with 2.5 sq.mm PVC unsheathed A1. single core cable on suitable rigid PVC pipe for 5A 3 pin CS plug non interlocking including supply and fixing of plug pin top in MS box with continuous earth connection by 14 SWG TC wire.

2

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Lighting Fixtures

-

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Supplying and fixing of box type 4’ 20W single LED fitting complete with TW round block and tube on ceiling or wall with connection.

2

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Supplying and fixing of 12" sweep AC exhaust fan complete including providing necessary opening in the wall.

1

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a)Supply and delivery of the following safety equipment a) 5 kg capacity ISI marked dry chemical powder type fire extinguisher

1

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First Aid box ( medium)

1

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Fire bucket - 3 Nos with MS stand

1

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Rubber mat 6mmthick of 1.1 kv grade of size 2m x 1m

1

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Fire safety rules chart

1

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Shock treatment chart

1

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"Caution / Danger" Board

3

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Supply and delivery of the following tools:

-

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Electrical tester

1

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Supply and delivery of Rechargeable emergency lamp with 600mm Fluorocuent lamp, dry type rechargable battery etc.,complete.

1

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Earthing as per ISI specifications with necessary masonary work

2

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Supply and connection of earthing conductor including two coats of approved painting and laying between earth pit and equipments 25 x 6 mm GI Flat

-

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25 x 6 mm GI Flat

25

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