Chennai Metropolitan Water Supply And Sewerage Board-CMWSSB has published Tender For Supplying And Laying Dedicated 600Mm Dia Force Main For Law College Pumping Station At Nsc Bose Road In Depot-59, Area-V.. Submission Date for this Tender is 15-02-2024. Water Supply Tenders in chennai Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 13-Dec-2023 | Tender Extension I | Date | 27-12-2023 |
| 2 | 28-Dec-2023 | Tender Extension Notice III | Date | 09-01-2024 |
| 3 | 10-Jan-2024 | TENDER EXTENSION NOTICE | Date | 23-01-2024 |
| 4 | 24-Jan-2024 | Tender Extension Notice IV | Date | 01-02-2024 |
| 5 | 02-Feb-2024 | Tender Extension Notice V | Date | 08-02-2024 |
| 6 | 09-Feb-2024 | Tender Extension Notice VI | Date | 15-02-2024 |
| Sl. No. | Item Description |
| 1 | Bill No.1.Supplying and Laying dedicated 600mm dia force main for Law College Pumping Station at NSC Bose Road in Depot-59, Area-V |
| 2 | Hire Charges for JCB Breaker - for breaking concrete |
| 3 | Supply Laying ,Jointing 600 mm dia CI S/S pipes (LA class) with EDPM rubber gaskets including earth work excavation in hard stiff clay, black cotton, hard red earth, shales, murrum gravel, stoney earth and earth mixed with small size boulders depositing the earth on banks with initial lead of 10m, carting the pipes to the site of work lowering in to the trenches, aligning includng refilling the trenches, disposal of surplus earth etc; complete at an average depth of 2m |
| 4 | Supply Laying ,Jointing 600 mm dia CI S/S pipes (LA class) with EDPM rubber gaskets including earth work excavation in hard stiff clay, black cotton, hard red earth, shales, murrum gravel, stoney earth and earth mixed with small size boulders depositing the earth on banks with initial lead of 10m, carting the pipes to the site of work lowering in to the trenches, aligning includng refilling the trenches, disposal of surplus earth etc; complete at an average depth of 2m - Night work |
| 5 | Supply, conveying and fixing CI specials like Tee, Bends and Tapers as per IS 1538 including earthwork excavation, lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, etc. at any depth. |
| 6 | 600 mm D/Soc CI 90 deg Bend |
| 7 | 600 mm D/Soc CI 45deg Bend |
| 8 | 600 mm D/Soc CI 22.5deg Bend |
| 9 | Supply and Delivery of MJ Collars - 600mm dia |
| 10 | Supplying, conveying and fixing the slucie valves as per IS 14846/2000 PN 1 and CI double air valve as per IS14845/2000 with ISI marking including lowering, Aligning etc,complete |
| 11 | 400mm DN Sluice valve |
| 12 | Supply, conveying and fixing the following specials |
| 13 | Specials for 400mm Sluice valve |
| 14 | 600mm x 400 mm D/S taper |
| 15 | 400 mm 1.0m Cut Pipe |
| 16 | 400 mm CI collars |
| 17 | 400 mm F/Spi Tail Piece |
| 18 | 400 mm F/Soc Tail Piece |
| 19 | Construction of Sluice valve chamber including providing and fixing L.S. cover and frame of size 60 x 60cm |
| 20 | 400 mm Dia Sluice valve |
| 21 | Making rubber joints for CI/DI pipes - Labour only |
| 22 | 400 mm |
| 23 | 600 mm |
| 24 | Hire charges for diesel pumpset for 7.5hp |
| 25 | Cutting C.I Pipes |
| 26 | 600 mm dia |
| 27 | 400 mm |
| 28 | Cutting Asphaltic Road |
| 29 | Non Bus Route |
| 30 | Bus Route (GCC) |
| 31 | Jointing the double flanged specials with rubber insertion to the required specifications with M.S bolts and nuts, complete. |
| 32 | 400 mm |
| 33 | 600 mm |
| 34 | 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 |
| 35 | 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.60/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 600mm dia pipe |
| 36 | Cement concrete 1:2:4 using 20mm gauge hard broken stone jelly for PCC works excluding centering, shuttering, compacting, curing, finishing etc complete. |
| 37 | For Bed Block |
| 38 | Providing thrust blocks with Plain Cement Concrete in 1:3:6 with 40mm HBG for the CI pumping main including the cost of shuttering, compaction, curing etc. complete. |
| 39 | 600 mm D/Soc CI 90 deg Bend |
| 40 | 600 mm D/Soc CI 45deg Bend |
| 41 | 600 mm D/Soc CI 22.5deg Bend |
| 42 | Salvage value for old pipes and specials |
| 43 | 600mm dia CI pipe |
| 44 | RTK SURVEY |
| 45 | Establishing PBM |
| 46 | The PBM shall be created by engraving point values in black granite plaque of minimum size 30cm x 25cm x 10cm and suitably fixed on a Concrete Pillar measuring 60cm x 30cm x 30cm, height, width and breadth dimension. 40cm of the pillar should be within the suitably formed platform and 20cm must be protruding outside. |
| 47 | TBM Available |
| 48 | Where the Site has already been surveyed and maps available in UTM Zone44 coordinate system with TBM available on ground or coordinates of other assets available on Ground. |
| 49 | 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 (Sol 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 fumished 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. |
| 50 | 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: |
| 51 | < 2km |
| 52 | Sub Total (excluding GST) |
| 53 | GST @18% |
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