Tender For Diversion Of 250Mm Dia Conveying Main From Alandur Wds To Adambakkam Oht And 750 Mm Dia Transmission Main From Alandur Wds In Connection With The Construction Of A Highway Subway Near Sankara Nethralaya Hospital In Area Xii.
Tender Value
Ref. Documents
Estimated cost
Bid Submission
03 Nov 2026
16 days left
EMD
30800
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Chennai → Tamil Nadu
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Diversion Of 250Mm Dia Conveying Main From Alandur Wds To Adambakkam Oht And 750 Mm Dia Transmission Main From Alandur Wds In Connection With The Construction Of A Highway Subway Near Sankara Nethralaya Hospital In Area Xii.
BOQ
| Sl. No. | Item Description |
| 1 | Diversion of 250mm dia Conveying main |
| 2 | Supplying and Laying of DI K9 pipes including earth work excavation for trenches in hard stiff clay, stiff block 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 10mts and initial lift of 2 m, carting the pipes from any of the boards stores to the site of work, lowering into trenches, aligning refilling the trenches with excavated soil, watering and raming to consolidation etc of the pipes of following diameters |
| 3 | 250mm dia at 2.0mts deep. |
| 4 | Supplying, Conveying and Fixing D.I Tee, Branches, Bends and tappering including earth work excavation. |
| 5 | 250mm dia M.J Collar |
| 6 | 250 dia 90 deg bend |
| 7 | 250 dia 45 deg bend |
| 8 | 250 dia 22.5 deg bend |
| 9 | 250mm dia sluice valve |
| 10 | 250mm dia Soc tail piece |
| 11 | 250mm dia spigot tail piece |
| 12 | Cutting C.I/D.I. Mains |
| 13 | 250mm dia |
| 14 | 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; |
| 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. |
| 16 | Making trial pit of size ( 1No with Length - 1.0m, Breadth - 1.0m and depth - Upto 3.0m) |
| 17 | Hiring and running charges for JCB |
| 18 | Hire charges for diesel pumpset for 5 H.P. |
| 19 | Construction of thrust blocks using Cement Concrete 1:3:6, 40mm B.G. jelly for Plain Cement Concrete |
| 20 | 250 dia 90 deg bend at 2m depth |
| 21 | 250 dia 45 deg bend at 2m depth |
| 22 | 250 dia 22(1/2) deg bend at 2m depth |
| 23 | 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.84/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. |
| 24 | 250mm dia |
| 25 | Establishment of Static GCP: The Contractor must obtain the existing permanent benchmark from CMWSSB which should be considered as the control point with known coordinates X, Y and Z. The Static GCP must be established from this PBM using Triangulation network method and frog and leap method for linear areas. The Contractor must strictly avoid Radial offset method. If the PBM is not available with CMWSSB within the Area of interest (AoI), the contractor must procure the nearby Survey of India, GTS Benchmark available to establish the Static GCP of the project location using the above-mentioned methods only. Survey consultant to ensure the closing error is within permissible limits (SOI Standards) while transferring the levels from nearest SOI GTS BM to the PBMs 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 coordinates of the assets can then be captured by Total Station. All the features and attributes of all the assets and utilities captured shall be georeferenced 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 georeferenced assets and utilities along with the attributes (as specified by the GIS Wing, CMWSSB) shall be converted into proper geodatabase FGDB/PGDB) with the attributes. One set of hard and soft copy of all the CMWSSB assets and utilities has to be prepared category-wise and 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 copies in A0 print. |
| 26 | (a) For the Underground / Surface Assets along the roads for the distance ranging from: <2 km |
| 27 | (b) For the Point Underground / Surface Assets along the roads |
| 28 | Diversion of 750mm dia Transmission main |
| 29 | Supplying and laying of C.I (class B) pipes of diameter for 500mm dia and above upto 1200mm dia from the site of stacking to the site of constructions including earthwork excavation in hard stiff clay, stiff black cotton, hard red earth and earth mixed with small size boulders and hard gravelly soil depositing the earth on banks with initial lead of 10 metres and initial lift of 2m, timbering the trenches, pumping out subsoil water, lowering the pipes into the trenches, aligning and refilling the trenches with excavated earth, watering, ramming to consolidation and disposing the surplus earth, etc., complete |
| 30 | 750mm dia at 3.0mts deep |
| 31 | Supplying, Conveying and Fixing D.I Tee, Branches, Bends and tappering including earth work excavation. |
| 32 | 750mm dia M.J Collar |
| 33 | 750mm dia 90 deg bend |
| 34 | Cutting C.I. Mains |
| 35 | 750mm dia |
| 36 | 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 |
| 37 | Construction of thrust blocks using Cement Concrete 1:3:6, 40mm B.G. jelly for Plain Cement Concrete |
| 38 | 750 dia 90 deg bend at 3m depth |
| 39 | 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.84/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. |
| 40 | 750mm dia |
| 41 | Making trial pit of size ( 2 Nos with Length - 1.0m, Breadth - 1.0m and depth - Upto 3.0m) |
| 42 | Hiring and running charges for JCB |
| 43 | Hire charges for diesel pumpset for 5 H.P. |
| 44 | Hire charges of Toshan 200G 230VAC 200A ARC welding machine |
| 45 | Supplying of Agrico Mse012 welding rod |
| 46 | 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. |
| 47 | Establishment of Static GCP: The Contractor must obtain the existing permanent benchmark from CMWSSB which should be considered as the control point with known coordinates X, Y and Z. The Static GCP must be established from this PBM using Triangulation network method and frog and leap method for linear areas. The Contractor must strictly avoid Radial offset method. If the PBM is not available with CMWSSB within the Area of interest (AoI), the contractor must procure the nearby Survey of India, GTS Benchmark available to establish the Static GCP of the project location using the above-mentioned methods only. Survey consultant to ensure the closing error is within permissible limits (SOI Standards) while transferring the levels from nearest SOI GTS BM to the PBMs 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 coordinates of the assets can then be captured by Total Station. All the features and attributes of all the assets and utilities captured shall be georeferenced 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 georeferenced assets and utilities along with the attributes (as specified by the GIS Wing, CMWSSB) shall be converted into proper geodatabase (FGDB/PGDB) with the attributes. One set of hard and soft copy of all the CMWSSB assets and utilities has to be prepared category-wise and 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 copies in A0 print. |
| 48 | (a) For the Underground / Surface Assets along the roads for the distance ranging from: <2 km |
| 49 | (b) For the Point Underground / Surface Assets along the roads |
| 50 | Sub Total |
| 51 | GST @ 18% Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 16, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedNov 03, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 16 daysNov 04, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 17 daysTender Documents
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