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 Date28 Apr 2023
Closing Date12 Jun 2023
Tender AmountRefer Documents 
Notes
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Costs

Summary

Cnt/sew/ncb/crrt/099a/2023-24

Description

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BOQ Items

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Supplying and Laying, jointing of 900mm dia CI pipe with rubber joints, testing of C.I. pipes 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 (Timbering included for Depths 2.50m,3.0m,3.5m,..........upto 8.5m) (For 900mm dia (A Class pipe)

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For an depth of 6.0mts (Labour + Material)

111

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For an depth of 6.5mts (Labour + Material)

91

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For an depth of 7.0mts (Labour + Material)

118

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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

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1.5m dia

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For an depth of 6.0mts

3

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For an depth of 6.5mts

3

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For an depth of 7.0mts

2

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Making of 900mm dia rubber gasket

56

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Cutting the 900 mm dia C.I pipe

10

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Drilling of bore well of dia 6" in alluvial formation using a straight rotary mud circulation type of rig upto hard clay formation including cost of fuel consumables, labour etc. complete.Reaming pilot bore upto 10" dia and drilling of 110mm dia bore where hard rock is found including lowering 125mm nominal dia.(140 mm OD) PVC pipe as per IS 12818/1992

840

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Supply of 125mm nominal dia.PVC pipe (140mm OD) as per IS 12818/1992

840

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Labour charges for the erection of submersible pumpset in borewell etc upto 5HP

56

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Hire charges for genset 30 KVA including cost of fuel and crew charges

3750

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Operation cost of DG Set 30 KVA including cost of fuel and crew charges

250

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Providing dummies in existing manhole by rope pulling method without entry of man into machine hole

4

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Providing dummies in existing manhole by rope pulling method without entry of man into machine hole

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

640

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End concrete for 900mm dia CI pipe

8.64

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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 (GCC)

720

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SEWER ENLARGEMENT

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Cutting Asphaltic road in Non-bus route road by using power breaker

400

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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 annular corrugated and smooth internal surface (Double wall) (SN 8 Class) for non-pressure underground sewerage, drainage application generally as per IS-16098 (Part-2) type B.

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250mm dia DWC Pipe

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at a depth 2.0m

300

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at a depth 2.5m

100

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Laying DWC pipes including earthwork excavation for trenches in hard stiff clay, blackcotton, 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 10 m and initial lift of 2m carting the pipes from any of the Board’s Stores to the site of work lowering into the trenches, aligning, watering and ramming to consolidation, etc., complete for the pipes of following diametres. (Timbering included for Depths 2.50m,3.0m) - Excluding backfilling of trenches and disposal of surplus earth

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250mm dia DWC Pipe

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at a depth 2.0m

300

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at a depth 2.5m

100

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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

200

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160mm dia

100

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Providing iron barricading of size 2.50m width and 1.75m height using 40x40x4mm angle for outer frame supports, 25x25x3mm angle for inner frame supports and 20 gauge thickness MS Sheet for name board (as per drawing) including cutting, welding, fabrication charges and 1 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

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Providing, and fixing dummy at upstream side downstream of the manhole with safety gadgets

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Shallow depth upto 2.5m

10

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deep from 2.5m to 3.5m

10

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Removing dummy at upstream and downstream of the manhole with safety gadgets

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Shallow depth upto 2.5m

10

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deep from 2.5m to 3.5m

10

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Dewatering using 10HP 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. (Dewatering sewage from U/s to D/s from Machine holes)

400

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Hire charges for diesel pumpset with fuel and crew charges including transportation

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at a depth 2.0m

1950

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at a depth 2.5m

1950

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Refilling with excavated earth (other than sand)

850

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Disposal of surplus earth.

3.14

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Supplying and Filling Quary rubbish

240

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Providing and fixing FRC cover and frame of size 60 x 60cm including necessary masonry work and plastering, etc., complete

2

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