Construction of two water tanks in Sant Pere i Sant Pau

Construcción de dos depósitos de agua de 12.500 m3 cada uno

Construction of two water tanks in Sant Pere i Sant Pau

Construction of two water tanks, each with a capacity of 12,500 m3, by building a post-stressed concrete structure over the existing tank in Muntanyeta de Sant Pere i Sant Pau Replacement of existing inlet and outlet piping with 316L stainless steel. Supply and placement of a prefabricated structure to form the cover with 30 cm-thick alveolar slabs.

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Client:

EMATSA

Location:

Tarragona

Period:

Septiembre 2015 – diciembre 2016September 2015 - December 2016

Type of service:

Operations, repairs and refurbishment

Budget:

1.703.612,26 €

The work is being carried out in 5 phases:
Phase 1 (demolition of cover) Mechanical demolition of the existing 15 cm reinforced concrete dome through the use of a remotely controlled robot suspended from a 250 metric ton crane.
Phase 2 (weather-proofing of the outer shell): Repair of the existing tanks’ walls using repair morters and subsequent weather-proofing through the application of bituminous paint and geotextile sheeting for drainage.
Phase 3 (internal structure of new tanks): Pouring of foundation slabs, 20 cm floor slab and 30 cm walls consisting of frame, post-stressed cables and shotcrete.

Phase 4 (internal piping and access hole): Replacement of stainless steel inlet and outlet pipes, as well as the construction of a new access hole below the current floor slab,.
Phase 5 (prefabricated structure and final finishes): Supply and assembly of the cover structure using 30 cm alveolar slabs, followed by placement of a 5 cm compression layer, weather-proofing with asphalt cloth applied with hot bitumen and placement of drainage gravel, perimeter railing and walkway between tanks.

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