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 Date22 Jul 2023
Closing Date20 Jul 2023
Tender Amount₹ 2,49,80,706
Costs
EMD
₹ 1,29,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2023_CMWSS_324535_1Bid Award Id
ViewTender No
CNT/SEW/MWB/3535/2023-24Tender Authority
Chennai Metropolitan Water Supply And Sewerage Board ViewPurchaser Address
-Website
http://https://chennaimetrowater.tn.gov.in/
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Documents
BOQ Items
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at 2.0 m deep(Day)
165
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at 2.0 m deep(Night)
165
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at 2.5 m deep(Day)
210
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at 2.5 m deep(Night)
210
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at 3.0 m deep(Day)
405
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at 3.0 m deep(Night)
405
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at 3.5 m deep(Day)
50
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at 3.5 m deep(Night)
100
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Cement concrete 1:3:6 using Crushed stone sand (M-sand) and 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
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300mm dia DWC pipe
17
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Construction of cast insitu RCC machinehole using sulphate resistant cement with M30 design mix concrete using Crushed stone sand (M sand) including earthwork excavation as per SS20B , providing point edge to well kerb using ISA 150x75x10mm weighing at 16.9kg/m,sinking well kerb below 2m from G.L.or by open excavation for various depth as per site condition with M30 mix for side wall, raft and roof slab,including cost of steel reinforcement ,including bailing and pumping out water, formwork, plugging the bottom with PCC 1:3:6 using 40mm hard broken granite jelly, laying plain cement concrete 1:3:6 using 12mm to 20mm hard broken granite jelly for fixing frame, fixing FRC machinehole cover and frame, providing CI steps, ,benching and channelling including refilling the trenches with excavated earth and disposal of earth etc. Including testing the machinehole with water for 48hours to check water tightness and rectifying the defects if any complete for the following size of machineholes.
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at 3.0 m deep
1
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at 3.5 m deep
3
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Construction of Machineholes using sulphate resistant cement at various depths to invert including earthwork excavation as per SS 20B, laying cement concrete in C.M. 1:3:6 using Crushed stone sand (M sand) 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, machinehole cover and frame, benching and channelling including refilling the trench with excavated earth and disposal of surplus earth etc. complete for the following sizes for each machinehole (As per the type design drawing for machinehole)
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at 2.0 m deep
1
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Providing Iron Barricading of size 2.50 m width and 1.75 m height 25834 M M 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 and placing the barricading units as directed at the sites.
3420
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Hire charges for diesel pumpset 10HP with fuel and crew charges including transportation
4320
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Providing and removing dummies in upstream & Down stream 2 Nos. Each manholes including labour and materials
34
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Providing House service connection: Supplying, laying jointing and testing UPVC 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
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110mm dia upto a depth of 1.0m
356
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160mm dia upto a depth of 1.5m
344
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Supplying and laying of MDPE (PE80) Blue pipe (IS:4427) with necessary specials including earth work excavation laying jointing testing, refilling the trenches and disposal of surplus earth etc.complete.
700
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Supplying . FIBER REINFORCED CONCRETE FRAME AND COVER AS PER TYPE, IS 12592, PART 1 & 2
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60 cm dia extra heavy duty
5
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Providing and laying, spreading and compacting graded stone aggregrats to Wet mix macadam 250mm thick specification including pre mixing the materials with water at OMC in mechanical mix plant carriage of mixed material by tipper to site laying in uniform layers with pavers in Sub Base/Base corse on well prepared and compacting with vibratory roller to achive the desired density including cost of material, labour charges, rentals for machineary fuel and other incidential charges etc., complete as per clause of 406 of MORTH Rev 5 ( this rate is applicable only if work is done during night
461.7
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Providing and laying, spreading and compacting graded stone aggregrats to Wet mix M20 grade (100mm thick) specification including pre mixing the materials with water at OMC in mechanical mix plant carriage of mixed material by tipper to site laying in uniform layers with pavers in Sub Base/Base corse on well prepared and compacting with vibratory roller to achive the desired density including cost of material, labour charges, rentals for machineary fuel and other incidential charges etc., complete as per clause of 406 of MORTH Rev 5
153.9
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SWD Crossing
27
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Supplying and filling with stone dust for bedding for a thickness of 10cm and back fill envelope for a thickness of 150mm above the crown of the pipe for DWC PE pipes including ramming, consolidation etc., complete
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Bedding
415.8
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Backfill Envelope (Sidefill)
3049
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Refilling with excavated soils (other than sand) complying with standard specifications for filling in foundations and basement.(for DWC PE or PP pipe length)
3876.44
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Disposal of surplus earth (for DWC PE or PP pipe length)
3643.07
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Cutting DWC Pipes
250
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Road Cutting
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Cutting Asphaltic Road
2780
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The Contractor must obtain the existing
Static GCP points from CMWSSB which should be considered as the control point with known coordinates X, Y and Z.
Survey consultant to ensure the closing
error is within permissible limits (SoI Standards)while transferring the levels from the existing Static GCP points and the same to be presented as a report. The same process shall be adopted for random verification of positional accuracy of points established using the PBMs as base.
As built survey for every sewage and water
pipeline and other assets must be done using
DGPS based RTK method by transferring the
coordinates from the nearest Static GCP of
CMWSSB. Where there are signal interruptions for the RTK method, Total Station can be used. The coordinates from the static GCP shall be transferred to the Total Station by RTK method and the co- ordinates of the assets can then be captured by Total Station.
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All the features, attributes of all the assets,
utilities captured shall be Geo referenced as per standard Coordinate reference system (WGS 84 UTM Zone 44N). The final base map with assets and utilities shall be furnished in (.shp) format. The geo Referenced assets and utilities along with the
attributes (as specified by the GIS Wing,
CMWSSB) shall be converted into proper geo database (FGDB / PGDB) with the attributes.One set Hard and Soft Copy of all the CMWSSB assets and utility has to be prepared category wise network wise in A0 Print for verification in a print scale of 1:1000 in A0 plot,with standard legends in international and NUIS standards and should be legible and three sets of final Hard Copy in A0 print. (a) For the Underground / Surface Assets along the roads for the distance ranging from:1710 m
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2 KM Underground Asset
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Evaluation Notes How It Works ?
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