Reference Projects Pipelines and Plants

Plant Construction

Fuel Gas Supply System for Heilbronn Power Plant HLB 8

Planning, calculation, manufacturing and factory assembly of a fuel gas supply system for supplying a gas turbine with a capacity of 650 MW at the Heilbronn power plant.

Client:
SENER BONATTI CCPP GmbH

Construction Period:
2023 - 2025

Technical Data:
Flow rate (Nm3/h): 128,629
Design pressure: 70 bar
Design temperature: -22 to +80°C
Design medium: Natural gas with max. 20 vol.-% hydrogen (H2)
Pipe wall thickness: 3.2 to 12.5 mm
Pipe diameter: 33.7 to 323.9 mm
Pipe material: Carbon steel

Connection of the Wertingen Compressor Station to the AUGUSTA Pipeline

Design, manufacturing, delivery and commissioning of the piping, structural and civil works for the expansion and connection of the Wertingen compressor station to the 
AUGUSTA pipeline.

Client:
bayernets GmbH

Construction Period:
2024 - ongoing

Technical Data:
Flow rate (Nm3/h): 640,000
Design pressure: 100 bar
Design temperature: -25 to +80%
Design medium: Natural gas
Pipe wall thickness: 3 to 22 mm
Pipe diameter: 34 to 813 mm
Pipe material: Carbon steel

Construction of a Biogas Infeed And Processing Plant in Bad Grönenbach

Planning, construction, acceptance and commissioning of a biogas infeed and processing plant (BIPP), as well as a gas pressure regulating and metering station (GPRMS).

Client:
schwaben netz GmbH

Construction Period:
2025 - ongoing

Technical Data:
Flow rate (Nm3/h): BIPP: 431 | GPRMS: 3,000
Design pressure: BIP: 16 bar | BPP: 16/70 bar | GPRMS: 70/16 bar
Design temperature: -10° to +50°C
Design medium: conditioned biogas
Pipe wall thickness: 2.6 to 12.7 mm 
Pipe diameter: 33.7 to 219.1 mm 
Pipe material: P235GH

Construction of a Biogas Infeed and Processing Plant in Arnschwang

Delivery of a biogas infeed and processing plant. Acceptance of biogas from the upgrading plant at 10.5 bar. Priority supply to the local gas distribution network; surplus gas is compressed and injected into the 67.5 bar high-pressure transmission network.

Client:
Bayernwerk Netz GmbH

Construction Period:
2024

Technical Data:
Flow rate (Nm3/h): 3,500
Design pressure: BIP: 16 bar; BPP: 67,5 bar
Design temperature: -10 to +40°C
Design medium: conditioned biogas
Pipe wall thickness: 3.2 to 8.8 mm
Pipe diameter: 88.9 to 168.3 mm
Pipe material: P235GH

First Expansion Stage of Biogas Feed-In Plants BNM I and C-Port, Friesoythe

Construction of two highly complex feed systems for biomethane with a total of three main compressors, in a joint venture

Scope of Services:

Overall coordination, construction, installation, commissioning and maintenance of two fully modular plant systems, including analysis, measurement and control technology, entire associated pipeline construction work; packaging of the main compressors

Technical Details:

  • Fully modular plants consisting of 11 sub-units in modern module and container construction technique, unit weights up to 90 t
  • Pressure levels: PN 16, PN 84; flow rate: 3 x 1,400 Nm³/h biomethane

Particularities:

Plants for supplying up to three network sections of different pressure levels with dynamic load changes; construction process was significantly more difficult through upstream third-party plants: extensive coordination and planning effort, delay in commissioning => plant preservation necessary

Biogas Feed-in Plant, Germany

Construction of a biogas feed-in plant (BGEA) as general contractor

Scope of Services:
All work from implementation planning to development, civil engineering, building, electrical and safety engineering, pipeline construction, compressors, electrical and measuring technology, process control and telecontrol technology through to commissioning and turnkey handover

Construction of a Gas Pressure Regulating and Metering Station for an Energy Supplier in Ettringen

Supply of an on-site gas turbine and steam boiler system at a paper mill, including heating system for preheating and space heating, as well as electrical installation and contoll systems. The station is designed for 100% hydrogen operation.

Client:
Schwaben netz GmbH

Construction Period:
2024

Technical Data: 
Flow rate (Nm3/h): 14,124
Design pressure: 70 bar
Design temperature: -10 to +60°C
Design medium: Natural gas with max. 20 vol.-% hydrogen (H2)
Pipe wall thickness: 4 to 8 mm
Pipe diameter: 60 to 406 mm
Pipe material: Carbon steel

Gas Pressure Control and Measuring Systems LUBMIN 2, Germany

Technical leadership in the construction of several gas pressure control and metering systems for the natural gas receiving station Lubmin 2

Range of Services in Detail:

  • Planning, monitoring and coordination of all work during the project
  • Manufacturing and assembling services as well as EMSR work
  • Commissioning

New Construction and Expansion of two Gas Pressure Regulating Stations, Poland

Construction of two new gas compressor stations in Goleniow and Gustorzyn, Poland, and expansion of the existing plants to support the extension of Polish gas transmission network

Scope of Services:

Design review, procurement of all the materials and technical equipment for both stations, civil, mechanical and E&I activities including precommissioning, commissioning as well as operations and maintenance services

Special Challenges:

Extremely tight schedule, unexpected material shortages and planning delays, duly recovered during working execution.

Piping, Inspection and Approval of a Gas Pressure Regulating Station, Germany

Scope of Services:
Laying the supply lines from the transfer point (pipe bridge on the tank house of a steelworks) to the gas pressure station (at a height of 23 m on the roof of the steelworks); laying of output lines from the station to the natural gas torch stations for two boiler plants; tests and approval according to DVGW; realisation of strength and leak tests

Technical Details:

  • Design pressure: 90 bar
  • Pipe diameter: DN 150 to DN 350
  • Pipe wall thickness: 4.5 mm to 10.3 mm
  • Design temperature: -20 to +60

Technical Services for Gas Storage Facility Bierwang

Execution of various installation, maintenance and inspection tasks in the gas storage facility.

Client:
Uniper Energy Storage GmbH

Duration:
2018 - ongoing

Scope of Services:
Replacement of underground shut-off valves, pressure testing of heat exchangers, replacement of heating lines, gas meter replacement in the metering section, ball bearing exchange in gas cooler units, pipe tie-ins and system integration, excavation and civil works for cathodic corrosion protection (CCP), repair of level sensing and measurement systems, conversion of nitrogen supply system, exchange of gas preheaters

Gas Storage Facility Bordolano, Italy

3 double-stage turbo-compressor units, gas processing system (LTS-Low Temperature Separator), 7 connecting lines DN 10" and 6 connecting lines DN 6"

Scope of Work: 
Construction and installation of gas processing and compressor plant

 

H2-20 Hydrogen Admixture Plant, Jerichower Land

Construction of a modular pilot plant for adding hydrogen to the gas distribution network

Scope of Services:

Detailed engineering including hazard analysis, definition of security and fire protection concepts; production planning and construction of the container facility; construction of necessary infrastructure; laying of the natural gas supply line; execution of the underground valve cross; installation, cabling and assembly of the container system control; commissioning tests; gradual optimisation of the amount of the hydrogen to be added up to 20% (over two heating periods)

Technical Details:

Pressure levels: 5 - 200 barg; flow rate H2: 110 Nm³/h

Particularities:

Testing the hydrogen capability of all connected household appliances (352 devices from 30 manufacturers); proof of the possibility of quickly adding large quantities of H2 to the natural gas network; acquiring knowledge for adapting and consolidating the DVGW regulations regarding H2; determination of reduction in CO2 emissions

Thermoelectric Power Plant in Tavazzano & Motanaso, Italy

Participation in the construction activities for the installation of a new latest-generation combined cycle GT36H-Class gas turbine installed in the power plant located in Tavazzano & Montanaso municipalities

Scope of Services

Civil and mechanical activities for the installation of the piping and BOP line structures and components, OTC oil tanks, condenser steam turbine and auxiliary systems of gas turbine and TV turbogroups of the new energy production group

Main Components for LNG Filling Stations, Germany

Construction of LNG filling stations – 12 filling stations of around 150 across Germany built by STREICHER

Skid design consisting of three main components:
70 m3 LNG cryogenic tank (20 m high), filling skid, main skid

Scope of Services:

Construction of the main components and the connecting pipelines, participation in commissioning and acceptance of the system, services

BHKW Plant for Self-sufficient Power Supply in Ahlen, Germany

Assembly of all components of the BHKW plant (6 gas engines, heat exchangers, cooling system and chimneys) as well as pipeline construction for exhaust gas, gas supply, hot water, cooling water, ventilation and oil supply plus their isolation. The assemblies were carried out parallel with production.