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 Date20 Jun 2023
Closing DateCancelled
Tender AmountRefer Documents
Costs
EMD
₹ 1,99,100Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2023_CMWSS_329753_1Bid Award Id
ViewTender No
CNT/SEW/MWB/3539/2023-24Tender 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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Documents
BOQ Items
Supply,Laying, jointing SW pipes with cement joint, testing 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. and carting of pipes from any of the Board’s stores to the site of work, lowering into trenches and aligning, refilling the trenches with excavated soil, watering and ramming to consolidation,disposal of surplus earth etc., complete including the cost of cement and sand. (Timbering included for Depths 2.50m,3.0m,3.5m,..........upto 5.5m
-
-
-
250mm dia pipe
-
-
-
at1.50m depth
220
-
-
at 2.00m depth
180
-
-
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
-
-
-
End concrete
-
-
-
For 250mm dia pipe
5.1
-
-
Construction of machinehole 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 for fixing the frame, providing C.I. steps, machinehole cover and frame, benching and channelling etc., complete for the following sizes for each machinehole (As per the type design drawing for machinehole).
-
-
-
at 1.50m depth
4
-
-
at 2.00m depth
3
-
-
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 and placing the barricading units as directed at the sites
800
-
-
Dewatering using 10HP to 70HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.
960
-
-
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
100
-
-
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.
50
-
-
Hire charges for 2 nos. of Halogen fitting with allied fittings and accessories with electriation for monitoring with 12 hours per day for lighting purpose.
4
-
-
SWD Crossing
2
-
-
Providing dummies in upstream & Down stream 2 Nos. Each manholes including labour and materials
8
-
-
Removing dummies in upstream & Down stream 2 Nos. Each manholes including labour and materials
8
-
-
Providing interconnection to the existing machine hole
1
-
-
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
36
-
-
Disposal of surplus earth
55.63
-
-
Enlargement of gravity sewer main at Various street in Depot-62, Chepauk Constituency in Area V
-
-
-
Hire charges for cutting Asphaltic concrete/ Cement Concrete road using Air compressor
-
-
-
NBRR
1820
-
-
BRR
260
-
-
Making trail pit - 3 Nos
-
-
-
Hire charges for Air Compressor for cutting ashpaltic / concrete road including the cost of fuel charges, etc., complete
15
-
-
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 and placing the barricading units as directed at the sites
12
-
-
Earthwork excavation and depositing on bank with initial lead of 10 metres 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 0m - 2m
11.82
-
-
Refilling with excavated soils (other than sand) complying with standard specifications for filling in foundations and basement.
9.78
-
-
Cement concrete 1:2:4 using 20mm 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.
2.04
-
-
Disposal of Surplus Earth.
2.04
-
-
Supply, delivery, laying and jointing of Double wall corrugated / structured wall plastic polyethylene/ polypropylene pipes DWC PE or PP of class SN-8 with non-smooth external Annular Corrugated and Smooth Internal Surfaces in Standard lengths with online coupler and spigot type confirming to IS 16098 (Part-2) 2013 / EN: 13476-3 (latest revision) including elastomeric sealing ring gasket suitable for DWC PE or PP pipes conforming to IS: 5382 (latest revision), freight, insurance, loading into the truck and transporting to the stores / site.. etc including earth work excavation in hard stiff clay,stiff black cotton,hard red earth, shales, muram, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing the earth on banks with initial lead of 10m and lowering into trenches, aligning and testing of DWC PE or PP pipes, watering and ramming to consolidation including timbering the trenches for depths 2.5m and above, pumping out subsoil water etc., complete.
-
-
-
250mm dia pipe
-
-
-
at1.50m depth
325
-
-
at1.50m depth (BRR- NIGHT WORK)
75
-
-
at 2.00m depth
380
-
-
at 2.50m depth
160
-
-
Supply, delivery, laying and jointing of Double wall corrugated / structured wall plastic polyethylene/ polypropylene pipes DWC PE or PP of class SN-8 with non-smooth external Annular Corrugated and Smooth Internal Surfaces in Standard lengths with online coupler and spigot type confirming to IS 16098 (Part-2) 2013 / EN: 13476-3 (latest revision) including elastomeric sealing ring gasket suitable for DWC PE or PP pipes conforming to IS: 5382 (latest revision), freight, insurance, loading into the truck and transporting to the stores / site.. etc including earth work excavation in hard stiff clay,stiff black cotton,hard red earth, shales, muram, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing the earth on banks with initial lead of 10m and lowering into trenches, aligning and testing of DWC PE or PP pipes, watering and ramming to consolidation including timbering the trenches for depths 2.5m and above, pumping out subsoil water etc., complete.
-
-
-
300 mm dia DWC pipe @2.00m depth
170
-
-
400 mm dia DWC pipe @2.50 m depth
105
-
-
400 mm dia DWC pipe @3.00m depth
200
-
-
500 mm dia DWC pipe @3.50m depth
180
-
-
500 mm dia DWC pipe @3.50m depth (BRR-Night work)
110
-
-
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
-
-
-
NBR
19.55
-
-
BRR Night work
7.92
-
-
Cutting of DWC pipe
-
-
-
250mm dia pipe
35
-
-
300mm dia pipe
6
-
-
400mm dia pipe
11
-
-
500mm dia pipe
6
-
-
500mm dia pipe (Night work)
4
-
-
Construction of Precast circular RCC machinehole using sulphate resistant cement with M30 design mix concrete using Crushed stone sand (M sand) including earthwork excavation as per SS20B including timbering and pumping charges(for 2.5m depth and above),Providing Plain Cement Concrete 1:1.5:3 using 20mm B.G. jelly for foundation,supplying and filling sand for bedding, Providing base units of 1m height(base slab and sidewall),riser unit (without corbel) of varying heights to suit the various depth requirements and roof slab including cost of steel reinforcement, cost of fabricating the steel mould using MS sheet and ISA angles including material and labour cost, Providing CI steps,fixing FRC machinehole frame and door,benching and channelling ,refilling with excavated earth and disposal of surplus earth, joining of precast units by grouting with CM1:1 and polyurethane based water proofing compound 1% (by weight of cement ) at shear key and protruded bars- grout holes locations,Cost of conveyance and erection charges of precast machinehole at the required position as directed by the engineer at site including testing the machinehole with water for 48 hours to check water tightness and rectifying the defects if anyfor the following sizes and depths. (1.20m dia depth)
-
-
-
at 1.50m depth
10
-
-
at 1.50m depth (BRR)
3
-
-
at 2.00m depth
17
-
-
at 2.50m depth
9
-
-
Construction of 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 (1.2m dia)
-
-
-
at 3.00m depth
6
-
-
at 3.5 m depth
8
-
-
at 3.5 m depth (BRR)
4
-
-
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 and placing the barricading units as directed at the sites
3410
-
-
Dewatering using 10HP to 70HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. (10HP)
5760
-
-
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 - 110mm dia @ 1.0m depth
-
-
-
NBRR
540
-
-
BRR
150
-
-
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. (20mm dia OD)
145
-
-
Hire charges for portable Genset 1.00 KVA with 2 Nos. of 150W flood light including all incidental charges, transportation, crew charges and fuel charges etc., complete.
15
-
-
SWD Crossing - 2 Nos
-
-
-
Hire charges of Power driller for breaking SWD wall
32
-
-
Earth work excavation and depositing on bank with initial lead of 10 metres and initial lift 2.00 min hard stiff clay stiff black cotton, hard red earth, shales, Muram, gravel, stoney earth and earth mixed with small size boulders S.S.20-including timbering and bailing out sub-soil water) as per P.W.D. standard schedule of rates for Chennai City.
8
-
-
Cement concrete 1:2:4 using Crushed stone sand (Msand) and 20mm gauge hard broken stone jelly for plain concrete works including laying ramming curing, etc., complete.
0.2
-
-
Providing dummies in upstream & Down stream 2 Nos. Each manholes including labour and materials - 26 Nos
-
-
-
Engaging labours for providing dummie on the existing manhole of 2.0-6.0 mtr deep
-
-
-
Head Mazdoor (well sinking) - For Supervising
26
-
-
Well Sinker (I Class) - For guiding Helmet
26
-
-
Well Sinking Diver working with Helmet(above2.0 m of water) - For Sinking Operations
26
-
-
Well Sinker (II Class) - For guiding Safety Belt
26
-
-
Mazdoor Category II - For lifting/supplying materials
26
-
-
Providing accidential Insurance for labourers
130
-
-
Hiring and operation of 20KVA DG set during night hours ( for 4 hrs of effective operation)
26
-
-
Hiring Low Pressure Air Compressor unit (50 lts) and safety equipements such as Gas mask, Helmet, Coir ropes, Comboot shoe, Apron, Hand golves etc., For minimum 8 hours of work with Rs. 350 /- per hour.
26
-
-
Hiring Multi gas detection meter & Operator charges
26
-
-
For Providing on the upstream / downstream side
-
-
-
Gunny Bag with Flower Pot / sand bags, Tyeing & Guiding Ropes, Portland Cement & Clay etc.,
26
-
-
Rapid setting cement based - water leak plugging Mortar (Fosroc Renderoc Plug 5 Kgs)
26
-
-
Removing dummies in upstream & Down stream 2 Nos. Each manholes including labour and materials - 26 Nos
-
-
-
Engaging labours for removing dummie on the existing manhole of 2.5-6.0 mtr deep
-
-
-
Head Mazdoor (well sinking) - For Supervising
26
-
-
Well Sinker (I Class) - For guiding Helmet
26
-
-
Well Sinking Diver working with Helmet(above2.0 m of water) - For Sinking Operations
26
-
-
Well Sinker (II Class) - For guiding Safety Belt
26
-
-
Mazdoor Category II - For lifting/supplying materials
26
-
-
Providing accidential Insurance for labourers
130
-
-
Hiring and operation of 20KVA DG set during night hours ( for 4 hrs of effective operation)
26
-
-
Hiring Low Pressure Air Compressor unit (50 lts) and safety equipements such as Gas mask, Helmet, Coir ropes, Comboot shoe, Apron, Hand golves etc., For minimum 8 hours of work with Rs. 350 /- per hour.
26
-
-
Hiring Multi gas detection meter & Operator charges
26
-
-
For Removing Dummy on the upstream / downstream side.
-
-
-
Hire charges for diesel pumpset for 3 hp with fuel and crew charges including transportation. - For dewatering from the Manhole.
104
-
-
Providing interconnection to the existing machine hole - 1 No
-
-
-
Hire charges for power breaker to dismantle the concrete / asphaltic road surfaces.
4
-
-
Labour charges for cutting and removing the existing pipe lines and for lowering the new pipes and specials, excavating the earth below pipeline & additional manpower provided as a precautionary measure to handle any emergency, sweeping and brushing the road etc., complete
-
-
-
Fitter Class I
1
-
-
Mazdoor Category I
1
-
-
Mazdoor Category II
2
-
-
Dismantling Brick or stone masonry in cement mortar walls under 3.00m high
0.04
-
-
Hire charges for portable Genset 1.00 KVA with 2 Nos. of 150W flood light including all incidental charges, transportation, crew charges and fuel charges etc.,complete.
1
-
-
Hire charges for diesel pumpset 10HP with fuel and crew charges including transportation
8
-
-
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
625.04
-
-
Construction of precast anchor block for 500 mm dia DWC pipes
53
-
-
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
101.63
-
-
Disposal of surplus earth
-
-
-
NBRR
756.39
-
-
BRR
187.89
-
-
Refilling with excavated earth (other than
sand)
3211.46
-
-
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.
-
-
-
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.
-
-
-
(b) For the Point Underground / Surface Assets along the roads
35
-
-
Enlargement of sewer main and insertion of machine hole at Karpagakanni amman koil 1 to 5 streets and Palaniamman koil 1 to 6 streets in Depot-116 / Area-IX
-
-
-
Supply, delivery, laying and jointing of Double wall corrugated /structured wall plastic polyethylene/polypropylene pipes DWC PE or PP of class SN-8 with non-smooth external Annular Corrugated and Smooth Internal Surfaces in Standard lengths with online coupler and spigot type confirming to IS 16098 (Part-2) 2013 / EN: 13476-3 (latest revision) including elastomeric sealing ring gasket suitable for DWC PE or PP pipes conforming to IS: 5382 (latest revision), freight,insurance, loading into the truck and transporting to the stores / site.. etc including earth work excavation in hard stiff clay,stiff black cotton,hard red earth, shales, muram, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing the earth on banks with initial lead of 10m and lowering into trenches, aligning and testing of DWC PE or PP pipes, watering and ramming to consolidation, etc., complete
-
-
-
295/250mm OD/ID DWC PE or PP Pipe
-
-
-
at 1.5m deep
478
-
-
at 2.0m deep
455
-
-
Supply, delivery, laying and jointing of Double wall corrugated /structured wall plastic polyethylene/polypropylene pipes DWC PE or PP of class SN-8 with non-smooth external Annular Corrugated and Smooth Internal Surfaces in Standard lengths with online coupler and spigot type confirming to IS 16098 (Part-2) 2013 / EN: 13476-3 (latest revision) including elastomeric sealing ring gasket suitable for DWC PE or PP pipes conforming to IS: 5382 (latest revision), freight,insurance, loading into the truck and transporting to the stores / site.. etc including earth work excavation in hard stiff clay,stiff black cotton,hard red earth, shales, muram, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing the earth on banks with initial lead of 10m and lowering into trenches, aligning and testing of DWC PE or PP pipes, watering and ramming to consolidation including timbering the trenches for depths 2.5m and above, pumping out subsoil water etc., complete.
-
-
-
295/250mm OD/ID DWC PE or PP Pipe
-
-
-
at 2.5m deep
385
-
-
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
26.18
-
-
Construction of machine holes 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, machine hole 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 machine hole
-
-
-
1.05mx 0.9m
-
-
-
at 1.0m deep
1
-
-
at 1.5m deep
2
-
-
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 and placing the barricading units as directed at the sites
2636
-
-
Cutting DWC PE Pipes
-
-
-
250mm dia
44
-
-
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
-
-
-
110mm dia upto a depth of 1.0m
804
-
-
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
499.19
-
-
Refilling with excavated soils (other than sand) complying with standard specifications for filling in foundations and basement.(for DWC PE or PP pipe length)
1639.45
-
-
Disposal of surplus earth (for DWC PE or PP pipe length)
565.76
-
-
Cement concrete 1:2:4 using 20mm gauge hard broken stone jelly for plain concrete works including laying ramming curing etc., complete (for restoration)
138.39
-
-
Providing and removing dummies
40
-
-
Cutting asphaltic surface using air compressor machine
989
-
-
Hire charges for diesel pump for 7.5HP for dewatering the sewage from upstream side manhole to downstream side manhole
960
-
-
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.
-
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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. 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.
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For the Underground / Surface Assets along the roads for the distance 2km
1.32
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Rectification of defunct sewer main and insertion of machine hole at various locations in Depot-115, Area-IX
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Supply, delivery, laying and jointing of Double wall corrugated /structured wall plastic polyethylene/polypropylene pipes DWC PE or PP of class SN-8 with non-smooth external Annular Corrugated and Smooth Internal Surfaces in Standard lengths with online coupler and spigot type confirming to IS 16098 (Part-2) 2013 / EN: 13476-3 (latest revision) including elastomeric sealing ring gasket suitable for DWC PE or PP pipes conforming to IS: 5382 (latest revision), freight,insurance, loading into the truck and transporting to the stores / site.. etc including earth work excavation in hard stiff clay,stiff black cotton,hard red earth, shales, muram, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing the earth on banks with initial lead of 10m and lowering into trenches, aligning and testing of DWC PE or PP pipes, watering and ramming to consolidation, etc., complete
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295/250mm OD/ID DWC PE or PP Pipe
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at 1.5m deep
272
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at 2.0m deep
345
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Supply, delivery, laying and jointing of Double wall corrugated /structured wall plastic polyethylene/polypropylene pipes DWC PE or PP of class SN-8 with non-smooth external Annular Corrugated and Smooth Internal Surfaces in Standard lengths with online coupler and spigot type confirming to IS 16098 (Part-2) 2013 / EN: 13476-3 (latest revision) including elastomeric sealing ring gasket suitable for DWC PE or PP pipes conforming to IS: 5382 (latest revision), freight,insurance, loading into the truck and transporting to the stores / site.. etc including earth work excavation in hard stiff clay,stiff black cotton,hard red earth, shales, muram, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing the earth on banks with initial lead of 10m and lowering into trenches, aligning and testing of DWC PE or PP pipes, watering and ramming to consolidation including timbering the trenches for depths 2.5m and above, pumping out subsoil water etc., complete.
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295/250mm OD/ID DWC PE or PP Pipe
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at 2.5m deep
20
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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
17.34
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Construction of machine holes 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, machine hole 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 machine hole
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1.05mx 0.9m
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at 1.5m deep
4
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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 and placing the barricading units as directed at the sites
1273
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Cutting DWC PE Pipes
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250mm dia
21
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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
528
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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
213.94
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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)
616.96
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Disposal of surplus earth (for DWC PE or PP pipe length)
246.09
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Cement concrete 1:2:4 using 20mm gauge hard broken stone jelly for plain concrete works including laying ramming curing etc., complete (for restoration)
111.39
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Providing and removing dummies
26
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Cutting asphaltic surface using air compressor machine
637
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Hire charges for diesel pump for 7.5HP for dewatering the sewage from upstream side manhole to downstream side manhole
800
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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.
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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. 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.
0.64
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