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PROFESSIONAL construction of
gas distribution networks

Fast and cost-efficient installation of underground gas pipes with Nodig technology

Well developed natural gas distribution networks play an important role in the success of the energy turnaround. In order for thegas transmission network to be able to transport and store sufficient quantities of fossil and increasingly renewable natural gas, high investments are required for maintaining and expanding the gas grid. Using trenchless technologies these expenses can be significantly reduced in an environmentally friendly way. Moreover, expansion can be accelerated without compromising supply quality and security.

Safe underground gas pipe laying

Underground gas pipe laying and even renewal with NODIG technology and even renewal means maximum safety according to the latest latest technical standards. This goes for any type of gas pipeline
  • Pipelines for feeding the natural gas produced worldwide into national gas networks
  • Construction of gas distribution networks with pressure lines for transport and distribution
  • Underground gas pipes for the storage of synthetic gas from surplus green electricity 
  • Gas service connections

Underground gas piping at A GLANCE

  • Gas piping along roads and under traffic and waterways, with short or long pipes made of all standard materials
  • Trenchless construction of underground gas pipes for service connections from the pit/keyhole to the building or directly into the supply room and vice versa
  • The minimally invasive keyhole technology has been developed especially for the serial installation and renewal of gas house connections. It really couldn‘t be more gentle and economical
  • Trenchless renewal of damaged gas pipelines and house connections by replacement with new pipes in the existing route (pipe bursting) for sustained leak prevention while simultaneously adapting the gas pipe capacity by 1–2 nominal widths
  • Maximum planning and technical safety of the gas piping while maintaining the latest regulations
  • Precise proof and documentation of position, function and tightness of the new underground gas pipes

New pipe installation

Parallel bores

Method:
HDD horizontal directional drilling
Bore length:
Max. 500 m
Pipe diameter:
32–710 mm
Pipe materials:
PE, steel (media or protection pipes), PA12
Soil classes:
1–7, acc. to DIN 18324
Our suitable NODIG-System for your application:
GRUNDODRILL - FLUID-ASSISTED HDD RIGS
Find out more

Crossings underneath traffic and waterways

Method:
HDD horizontal directional drilling
Bore length:
Max. 500 m
Pipe diameter:
63–710 mm
Pipe materials:
PE, steel (media or protection pipes), PA12
Soil classes:
1–7, acc. to DIN 18324
Our suitable NODIG-System for your application:
GRUNDODRILL - FLUID-ASSISTED HDD RIGS
Find out more

Crossings underneath traffic and waterways

Method:
HDD horizontal directional drilling
Bore length:
Max. 100 m
Pipe diameter:
32–160 mm
Pipe materials:
PE, steel (media or protection pipes), PA12
Soil classes:
1–7, acc. to DIN 18324
Our suitable NODIG-System for your application:
GRUNDOPIT - Mini fluid-assisted HDD rigs
Find out more

Crossings underneath traffic ways

Method:
Non-steerable soil displacement method
Bore length:
Max. 25 m
Pipe diameter:
Up to 160 mm
Pipe materials:
PE, PP, PVC (short and long pipes), PA12
Soil classes:
1–5, displaceable soils
Our suitable NODIG-System for your application:
GRUNDOMAT - Soil displacement hammers
Find out more

House connection technology

Pit to Pit

Method:
HDD horizontal directional drilling
Bore length:
Max. 100 m
Pipe diameter:
32–160 mm
Pipe materials:
PE (protection pipes), single pipes and pipe bundles, PA12
Soil classes:
1–7, acc. to DIN 18324
Our suitable NODIG-System for your application:
GRUNDOPIT - Mini fluid-assisted HDD rigs
Find out more

Pit–Basement

Method:
HDD horizontal directional drilling
Bore length:
Max. 100 m
Pipe diameter:
32–160 mm
Pipe materials:
PE (protection pipes), single pipes and pipe bundles, PA12
Soil classes:
1–7, acc. to DIN 18324
Our suitable NODIG-System for your application:
GRUNDOPIT - Mini fluid-assisted HDD rigs
Find out more

Keyhole–Basement

Method:
HDD horizontal directional drilling
Bore length:
Max. 60 m
Pipe diameter:
Up to 90 mm
Pipe materials:
PE (short and long pipes), PA12
Soil classes:
1–5
Our suitable NODIG-System for your application:
GRUNDOPIT - Mini fluid-assisted HDD rigs
Find out more

Pit to Pit

Method:
Non-steerable soil displacement method
Bore length:
Max. 25 m
Pipe diameter:
Up to 160 mm
Pipe materials:
PE, PP, PVC (short and long pipes), PA12
Soil classes:
1–5, displaceable soils
Our suitable NODIG-System for your application:
GRUNDOMAT - Soil displacement hammers
Find out more

Basement–Pit

Method:
HDD horizontal directional drilling
Bore length:
Max. 100 m
Pipe diameter:
32–160 mm
Pipe materials:
PE (protection pipes), single pipes and pipe bundles, PA12
Soil classes:
1–7, acc. to DIN 18324
Our suitable NODIG-System for your application:
GRUNDOPIT - Mini fluid-assisted HDD rigs
Find out more

Basement–Pit

Method:
Non-steerable soil displacement method
Bore length:
Max. 25 m
Pipe diameter:
Up to 160 mm
Pipe materials:
PE, PP, PVC (short and long pipes), PA12
Soil classes:
1–5, displaceable soils
Our suitable NODIG-System for your application:
GRUNDOMAT - Soil displacement hammers
Find out more

Pipe renewal

Renewal of natural gas pipelines

Method:
Dynamic pipe bursting
Bore length:
Max. 300 m
Pipe diameter:
Up to 508 mm
Pipe materials old pipe:
Steel, glass fibre reinforced plastics (GRP), PA12
Pipe materials new pipe:
Steel, PE/PP, PVC, PA12
Soil classes:
Old pipes passable for winch rope
Our suitable NODIG-System for your application:
GRUNDOCRACK - Dynamic pipe bursting systems
Find out more

Installation of pipes with smaller, equal or larger diameter

Method:
Static pipe bursting
Bore length:
Max. 300 m
Pipe diameter:
50–1,200 mm
Pipe materials old pipe:
Steel, glass fibre reinforced plastics (GRP), PA12
Pipe materials new pipe:
Steel, PE/PP, PVC, PA12
Soil classes:
Old pipes passable for bursting rods
Our suitable NODIG-System for your application:
GRUNDOBURST - Static pipe bursting systems
Find out more

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