Dams and hydraulic Engineering (Pumping stations)
- Client: RTS (Radio Television Switzerland)
- Assignment: Project management + coordination of CVSE and electrical engineer representatives
- Total cost of the work: 3,500k CHF
- Total cost of the assignment: 240k CHF
- Completion date: 2015 – 2016
PROJECT DESCRIPTION AND CHARACTERISTICS
The project consists of the realization of a water intake, a pumping station and a discharge in Arve, with capacity of 100 l / s, for free-cooling purposes.
The external works consist of the installation of the pumping network from Arve bed and introduction into the existing building, comprising:
- DN400 HDPE trenches for pumping and rejecting,
- V 3 mm stainless steel strainer in the Arve bed,
- Prefabricated HDPE valve chamber on the RTS forecourt,
- HDPE prefabricated dump chamber at the foot of the wharf wall,
- Rejection of riprap of blocks arranged in the bed of the Arve,
- Carrying out works in the bed of the Arve in a self-supporting sheet pile enclosure PU-18
The internal works consist of the realization of the primary network from the introduction of the building to the exchangers, comprising:
- Stainless steel Ø323 mm return pipes,
- Vacuum pump station for the priming of the siphon comprising 2 Evisa E-50 vacuum pumps of 2 × 50 m³ / h,
- Pumping station comprising 4 KSB-Sewatec pumps with a nominal capacity of 100 l / s,
- Two filtration lines including Boll & Kirch sieve filters and Lakos vortex sand separator,
- Three heat exchangers with a total capacity of 3 MW,
- Reinforcement of the existing civil engineering structures,
ASSIGNMENT
GEOS carried out a project management task comprising (according to SIA 103 (Swiss Standard)):
- Project of works;
- Procedure for requesting authorization;
- Invitations to tender, comparisons of offers, proposals for tenders;
- Execution Project;
- Follow-up;
- Commissioning and completion.
As well as coordination of CVSE engineer and electrician attorneys and management of the project group.
