Tenders are invited for Construction of a Water Conveyance SystemThree tunnels with a total length of 7 754 m Fisculco tunnel 5 484 km Aritu Mayu tunnel 0 21 km Punilla tunnel 2 06 km with a main horseshoe shaped tunnel section of 10 m2 Interconnections between Fisculco Aritu Mayu and Aritu Mayu Punilla tunnels consisting of an embankment of 103 m crown length made up of tunnel extracted materials and a posttensioned concrete bridge aqueduct with a total length of 157 m 56 m of accesses respectively Main pipeline conveyance made up of following stretches 8 15 km Fiberglass Reinforced Plastic GRP pipe 1 200 mm free surface flow the pipeline will be installed inside the completed tunnels and on top of the interconnection structures 0 85 km High Density Polyethylene HDPE buried pipe 1 200 mm free surface flow1 22 km GRP pipe 900 mm Santa Catalina Pressure Pipe A site visit is scheduled on 06 09 2021 at 08 00 AM Following the site visit a Pre bid meeting will take place on 07 09 2021 at 02 00 PM Participation in the site visit is mandatory Prospective Bidders who do not participate in the pre scheduled visit shall undertake it on their own
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