The subject of the submission is the construction work for a new sewage system past the ARA Staz to the association canal on the new ARA Upper Engadine, as well as the conversion of 2 pre-settling tanks to rain retention tanks with the dismantling of the buildings above these tanks in 3 stages (2020-2022)

The scope is described in detail in the LV specifications and is only reproduced here in short form:

- Excavation approx. 1,200 m 3rd ;

- GRP pipes DN600 - 340 m, DN800 - 34 m.

Manholes in GRP and in-situ concrete.

The subject of the submission is the construction work for a new sewage system past the ARA Staz to the association canal on the new ARA Upper Engadine, as well as the conversion of 2 pre-settling tanks to rain retention tanks with the dismantling of the buildings above these tanks in 3 stages (2020-2022)

The scope is described in detail in the LV specifications and is only reproduced here in short form:

- Excavation approx. 1,200 m 3rd ;

- GRP pipes DN600 - 340 m, DN800 - 34 m.

Manholes in GRP and in-situ concrete.