Chennai Metropolitan Water Supply And Sewerage Board Tender
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Chennai Metropolitan Water Supply And Sewerage Board - CMWSSB Tender
Civil And Construction
Water Storage And Supply
Eprocure
Opening Date10 Sep 2024
Closing Date25 Sep 2024
Tender Amount₹ 12,40,582.75
Costs
EMD
₹ 15,800Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2024_CMWSS_482684_1Bid Award Id
ViewTender No
CNT/LT/WSS/DEP/193/2024-25Tender Authority
Chennai Metropolitan Water Supply And Sewerage Board ViewPurchaser Address
-Website
http://https://chennaimetrowater.tn.gov.in/
GEM & Bid Advisory Services
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BOQ Items
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Supplying and laying D.I pipes class K7 as per IS 8329/2000 with rubber gasget including earthwork excavation for trenches in hard stiff clay, black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil depositing the earth on banks with intial lead of 10m and initial lift of 2m carting the pipes from stores yard to the site of work lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, etc. complete for the pipes of following diameters (including back filling) as per schedule.
-
-
-
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a) 150 mm Ø Pipes at 2m depth
125
2493
311625
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b) 100 mm Ø Pipes at 2m depth
12
1844
22128
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Barrication work along one side of the trench for laying the pipe line with casurina post 1.52m centre to centre (8 to 10 cm dia. And 1.52m height) verticals, painting the verticals, painting the vertical posts in different colours, tieing with coir rope, fixing danger flags, danger lights, reflectors including watching during night for 1metre.
250
86
21500
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Supplying of specials
-
-
-
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a) 150 mm dia M.J Collar
10
4656
46560
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b) 150 x 100 mm taper
2
1581
3163.6
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c) 150 mm 90 degree bend
2
2588
5176.8
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d) 150 mm 22 1/2 degree bend
2
1869
3738.8
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e) 150 mm dia Sluice valve
1
10019
10019
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f) 150 mm dia DI Spi. Flange tail piece
1
2465
2465
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g) 150 mm dia DI Soc. Flange tail piece
1
2030
2030
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h) 100 mm dia Sluice valve
1
6770
6770
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i) 100 mm dia DI Spi. Flange tail piece
1
1595
1595
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j) 100 mm dia DI Soc. Flange tail piece
1
1305
1305
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k) 100 mm dia MJ Collars
6
2928
17568
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l) 150 mm dia EDPM Rubber Gasket
23
157
3625.72
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m) 100 mm dia EDPM Rubber Gasket
2
111
222.68
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Conveying and fixing specials
-
-
-
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a) 150 mm dia M.J Collar
10
358
3580
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b) 150 x 100 mm taper
2
730
1460
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c) 150 mm 90 degree bend
2
730
1460
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d) 150 mm 22 1/2 degree bend
2
730
1460
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e) 150 mm dia Sluice valve
1
1011
1011
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f) 150 mm dia DI Spi. Flange tail piece
1
358
358
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g) 150 mm dia DI Soc. Flange tail piece
1
358
358
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h) 100 mm dia Sluice valve
1
914
914
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i) 100 mm dia DI Spi. Flange tail piece
1
283
283
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j) 100 mm dia DI Soc. Flange tail piece
1
283
283
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k) 100 mm dia MJ Collars
6
283
1698
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Cutting D.I. mains - Labour only
-
-
-
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a)150 mm Ø Pipes
12
324
3888
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b)100 mm Ø Pipes
2
243
486
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Making Rubber joints - Labour only
-
-
-
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a)150 mm Ø Pipes
42
276
11592
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b)100 mm Ø Pipes
8
198
1584
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Construction of thrust blocks using Cement Concrete 1:3:6 ,40mm B.G.jelly for Plain Cement Concrete for
-
-
-
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a) 150 mm Ø 90 degree bend
1
8782
8782
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c) 150 mm Ø 22 1/2 degree bend
2
3395
6790
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Connection work to existing main including cutting existing pipe, fixing branches, collars, lead jointing and bailing out water, etc., excluding excavation.
-
-
-
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Interconnection from existing 450mm DI water main to 150mm DI water main
1
21115
21115
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Hire charges for diesel pumpset above 3HP to 7.5HP with fuel and operator charges including transportation.
480
322
154905.6
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Testing of D.I.pipes with hydrulic testing equipment by fillling with water (including cost of water @ Rs.77/KL) and testing to recommended pressure in convenient sretches and attending the bursts if any occurred during the test, excluding the cost of pipes, including other incidental and operational charges,etc., complete.
-
-
-
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a) 150mm Ø Pipes
125
128
16000
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b) 100mm Ø Pipes
12
96
1152
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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
2
57000
114000
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Earthwork excavation and deposting on bank with initial lead of 10 meteres and initial lift 2.00m 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.(excluding timbering and bailing out sub-soil water) as per P.W.D. standard schedule of rates for chennai city for IC work.
10
246
2466
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Supplying, laying jointing and testing 100mm dia SW pipe including earthwork excavation for trenches in hard stiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing the earth on banks with initial lead of 10m. lowering the pipes into the trenches, aligning,refilling the trenches with excavated earth in layers of not more than 23cm thick watering, ramming to consolidation and disposal of surplus earth etc., complete at an average depth of 2.0m. For damaging the House Service Connection
5
746
3730
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Providing Wet mix macadam including premixing the material with water at OMC in mechanical mix plant carriage and laying in uniform layers and compacting etc.Complete as per clause 406 of MORT&H specifications
30.83
2409
74291.05
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Cement concrete 1:2:4 using Crushed stone sand (M sand) and 12 to 20mm gauge hard broken stone jelly for plain concrete work including laying compacting curing, etc., complete.
30.83
6527
201227.41
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Disposal of surplus excavated earth
35.96
146
5277.13
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Electromagnetic Flow Meter shall be a velocity sensing Electromagnetic type,microprocessor based signal converter, sealed housing, flanged tube meter for 1.0 Mpa working pressure, manufactured to highest standard available for mag-meters, equipped with minimum six digit digital totalizers, reading in different units (Kiloliters / Cubic meter) and shall be accurate within 0.5% of Measured value, shall operate within a range of 0.3 m/sec to 4 m/sec and be constructed as follows: Meter tube (Sensor) shall be fabricated from stainless steel tube and use class PN10 flat face carbon steel flanges in accordance with IS 1538. These flanges shall be welded to the flow tube. The internal and external of the meter tube shall be blasted to near white and lined with hard rubber/ Polyurethrene/ PTFE preferably by SBR or EPDM. Meter tube shall have a constant nominal inside diameter offering no obstruction to the flow. The accuracy should be inclusive of linearity, hysteresis, repeatability, temperature and pressure effects. Coil Housing shall be fabricated from stainless steel (SS304)/ Die cast Aluminium/ Carbon steel with anticorriosive paint for corrosion resistance and welded to the tube providing a completely sealed environment for all coils, electrode connections and wiring harness capable of submerged or buried operation with IP68 Protection.
1
122200
122200
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Signal Converter shall be pulsed DC coil excitation type with auto zeroing. The signal converter shall be remotely mounted away from the meter. The converter shall indicate direction of flow and provide a flow rate indication and a total of flow volume for both forward and reverse directions. The converter shall provide an isolated 4-20 mA output into minimum 500-ohm load and a frequency output of a maximum of 0-10 KHZ and a scaled pulse output. The microprocessor based signal converter shall have a self-diagnostic test mode and a backlit display that continuously displays “Rate of Flow” and “Total Volume”. Converter shall be supplied with a programmable low flow drop out, higher flow and empty pipe zero return. The signal converter housing should be die-cast aluminum with glass window. The converter cum transmitter should be fully programmable from the front facia. The programming should be user friendly, self-prompting menu driven. Flow meter test calibration certificate from FCRI, flow test lab / NABL accredited lab to be furnished.
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-
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Sub Total
1
-
10
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GST @ 18%
1
239546
10
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