Water

Contact

SCHAEFER + MERKIN Ingenieure GmbH
Schäufeleinstraße 5
80687 München

Contact Person: Eckhard Schaefer

The natural element of water is the basis for human life. With the aim of developing sustainable solutions that are consistent with protecting the environment, at SCHAEFER + MERKIN Ingenieure we offer engineering services in the following areas:

  • Hydroelectric power plants
  • Hydraulic engineering
  • Flood defences
  • Water supply systems
  • Drainage systems and sewerage plants

+ Flood Protection Ostrach Sonthofen

Client
Water Management Office Kempten

Project
Widening of riverbed, new construction and rebuilding of flood protection walls, new construction of Theodor-Heuss-Bridge without Pier in the river.

Services
Structural Engineering

Construction Costs
approx. 26.400.000 €

Design Period
2014 – 2015

Construction Period
2014 – 2017

+ Sewage plant Freising – new construction of a humus tank

Client
Town Freising

Project
New construction of a humus tank with 39 meter Diameter, 9 meter depth and a Operation building.

Services
Structural Engineering

Design Period
2017

Construction Period
2017 – 2018

+ Inn Joint Venture Power Plant (Austria/Switzerland)

Client
Gemeinschaftskraftwerk Inn GmbH, Wien

Project
Medium pressure hydroelectric power plant with daily storage reservoir, output 88 MW, drop height 160 m, net 132.5 m; design water flow 75 m³ / s, 2 Francis turbines, weir turbine, 22 km headrace tunnel, surge tank, armoured penstock.

Services
Structural planning for the Prutz powerhouse.

Design Period
2014 – 2015

Construction Period
2015 – 2017

+ Hydrological Investigation on the rivers Curraj and Nikaj, Albania

Client

RWE Innogy

Project

Hydrological study for the construction of two cascade power plants on the rivers Curaj and Nikaj in Northern Albania.

+ Inn power plant Jettenbach-Töging (Bavaria, Germany)

Client

Arge Innkanalsanierung (Porr Technobau München und Alpine Trostberg) as part of a general contractor contract of E.ON Wasserkraft GmbH, Landshut

Project

Restoration of a 20 kilometre-long diversion channel, design water flow 340 m³ / s; concrete surface sealing in the dam area and cutting area with groundwater problems with embankment heights > 10 m, access to existing structure.

+ Pump storage plant, Happurg (Bavaria, Germany)

Client

E.ON Wasserkraft GmbH

Project

General overhaul upper reservoir L = 1.6 km,

altitude max. 23 m, water 14 m;

storage contents 2,000,000 m³

Services

Preliminary planning

+ Extension Gars power plant, Inn (Bavaria, Germany)

Client

Porr Technobau und Umwelt GmbH, Munich

Project

Low-pressure hydroelectric power plant (extension); drop height 6.0 to 6.5 m; design water flow 100 m³ / s; output 5 MW; 1 Kaplan bulb turbine

Services

Tender design for the EPC contractor

Design Period

2008

Construction Period

2008 – 2010

+ Extension Wasserburg power plant, Inn (Bavaria, Germany)

Client

Porr Technobau und Umwelt GmbH, Munich

Project

Low-pressure hydroelectric power plant (extension); drop height 6.0 to 6.5 m; design water flow 100 m³ / s; output 5 MW; 1 Kaplan bulb turbine

Services

Tender design for the EPC contractor; local construction site supervision

Design Period

2008

Construction Period

2008 – 2010

+ Market Screening Hydropower, Romania

Client

RWE Power AG

Project

Market study for investment in existing and new hydroelectric power stations in Romania.

Design Period

2010

+ Pump storage plant, Blautal (Germany)

Client

Municipal Utilities Ulm

Project

Pump storage plant of 60 MW

Services

Consultation for the scoping of the planning approval process

Design Period

2011 – 2012

Construction Period

2015 – 2017

+ Residual hydroelectric power plant at Neuses an der Pegnitz (Bavaria)

Owner

E.ON Kraftwerke GmbH

Project

Small hydroelectric power plant with worm drive.

Services

Detail design

Design Period

2014

Construction Period

2014 – 2015

+ Pumpspeicherwerke Trianel GmbH, Central Germany

Client

Trianel GmbH

Project

3 pump storage plants in different locations in central Germany.

Services

Preparation of the technical planning for the feasibility studies and for the regional planning procedure.

Design Period

2011 – 2012

Construction Period

2014 – 2017

+ Flood Defence Wildbach Brend, Bad Neustadt a. d. Saale

Owner

Water Authority Bad Kissingen

Project

Structural flood defence measure for a hundred year flood event, which comprises the following structures:

– Flood defence barriers along the Brend

– Construction of a new pedestrian bridge

– Reprofiling of the riverbed

– Pumping station

Removal of foreshore in the estuary area of the Brend in the Franconian Saale

Services

Detail design

Design Period

2014

Construction Period

2014 – 2015

+ Alz Canal, Bavaria

Owner

Wacker Chemie AG, Burghausen

Project

Two headrace tunnels in Belgian design, approximately 7 metres in diameter and 201 m and 648 m in length.

Services

Recalculation of the existing structures and expert inspection of structural stability and remaining service life.

Design Period

2014

+ Mangfalltal Flood Defence, Feldkirchen-Westerham

Client

Free State of Bavaria, Rosenheim Water Authority

Project

Construction of a flood protection dam with attached wall 1,550 m in length.

Services

Detail design

Design Period

2013 – 2014

Construction Period

2014

+ Gottfrieding power plant, Isar (Bavaria, Germany)

Client

E.ON Wasserkraft GmbH

Project

Low-pressure hydroelectric power plant

Drop height 6 m, extension outflow 95 m³ / s, output 5 MW,

Kaplan bulb turbine with gearbox

Services

Tender design for the EPC contractor; planning coordination of all specialist planners and technical experts, site management