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Specialist company for cable, pipe and overhead line construction, telecommunications engineering and trenchless installation for energy and telecommunications networks.

SA

Sandmann Infrastruktur GmbH

Sternberg · MalchinNew on Amplifa

1991Founded
>140Employees (company)
>2,700Employees vitronet Group
2Locations
up to 30 kVSwitching authorization (TÜV)

About Sandmann Infrastruktur GmbH

Sandmann Infrastruktur GmbH, based in Sternberg, Mecklenburg-Vorpommern, has been a partner to energy utilities and telecommunications companies in cable, pipe and overhead line construction since 1991. The range of services covers underground cable construction with the professional installation of cables and protective conduits, cable laying and cable assemblies up to 30 kV including work on live systems, TÜV-certified switching authorization up to 30 kV, as well as overhead line and pipeline construction. In the field of telecommunications engineering, the company carries out installation, splicing and measurement work in copper and fiber optic data technology, builds backbone routes and implements FTTB and FTTH projects including maintenance of the network infrastructure. DVGW-certified, the company performs trenchless installation of cables and cable protective conduits using the Ditch Witch JT20 and JT30 horizontal drilling machines as well as Erdraketen (earth rockets) in the 45 to 160 mm range. In addition, Sandmann carries out the cabling and grid connection of wind and solar parks, meter management for electricity, gas and water, as well as traffic safety measures, construction work and site supervision. As part of the vitronet Group with more than 2,700 employees, the company itself employs more than 140 staff at its Sternberg and Malchin locations.

Site
Sternberg
Processes
Underground cable construction (installation of cables and protective conduits), Cable laying & cable assemblies up to 30 kV (work up to 1000 mm2, work on live systems, assemblies, Switching authorization up to 30 kV (TÜV-certified, switching operations, setting up work sites), Telecommunications engineering: installation, splicing and measurement work in copper and fiber, Horizontal drilling and Erdraketen operations (trenchless installation of cables and cable, Cabling of wind and solar parks (grid connection up to 1000 m2), Overhead line construction, Pipeline construction
Materials
Copper, Glass fiber (fiber optic data technology), Cables, Cable protective conduits, Glass Fiber, Cable Protective Conduits
Certificates
DVGW certification (trenchless installation of cables and cable protective, TÜV-certified switching authorization up to 30 kV, DVGW certification (trenchless installation), TÜV switching authorization up to 30 kV
Founded
1991
Industries
Energy supply, Telecommunications, Wind and solar parks
  1. 01

    Consulting and planning

  2. 02

    Civil engineering and underground construction

  3. 03

    Trenchless installation (horizontal directional drilling, Erdraketen/earth

  4. 04

    Cable and conduit installation

  5. 05

    Cable assembly and switching work up to 30 kV

  6. 06

    Splicing and measurement work in telecommunications engineering

  7. 07

    Documentation, service and maintenance

Materials & Media Technology

Cu

Copper

Copper cables and copper assemblies in telecommunications engineering including splicing and measurement work.

LWL

Glass Fiber

Fiber optic data technology for FTTB, FTTH and backbone route projects.

KS

Cable Protective Conduits

Protective conduits for the trenchless installation of cables in line construction.

Locations

Sternberg

DE

Headquarters

Materials
Cables, cable protective conduits, copper, glass fiber
  • Ditch Witch JT20 horizontal drilling machine
  • Ditch Witch JT30 horizontal drilling machine
  • Erdraketen 45–160 mm

Malchin

DE

Location

Materials
Cables, cable protective conduits, copper, glass fiber

Industries

Energy supplyTelecommunicationsWind and solar parks

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Underground cable construction (installation of cables and protective conduits)Assembly––––Cables, Protective conduits
Cable laying & cable assemblies up to 30 kV (work up to 1000 mm2, work on live systems, assembliesAssembly––––Copper, Glass fiber (fiber optic)
Switching authorization up to 30 kV (TÜV-certified, switching operations, setting up work sites)Assembly–––––
Telecommunications engineering: installation, splicing and measurement work in copper and fiberAssembly––––Copper, Glass fiber (fiber optic)
Horizontal drilling and Erdraketen operations (trenchless installation of cables and cableAssembly––––Cables, Cable protective conduits
Cabling of wind and solar parks (grid connection up to 1000 m2)Assembly––––Cables
Overhead line constructionAssembly–––––
Pipeline constructionAssembly–––––
Meter installation and meter reading (meter management, lockout services)Assembly–––––
Traffic safety measures, construction work, site supervisionAssembly–––––
Excavator work / earthworksAssembly–––––
Road constructionAssembly–––––
Electrotechnical assembly constructionAssembly–––––

3 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Horizontal drilling machineDitch Witch JT20–––Sternberg
Horizontal drilling machineDitch Witch JT30–––Sternberg
Erdrakete–various45 mm to 160 mm–Sternberg

Additional services

Underground cable constructionCable laying & cable assemblies up to 30 kVSwitching authorization up to 30 kVTelecommunications engineering (copper and fiber optic assemblies, splicing and measurement work,Horizontal drilling and Erdraketen operations (Ditch Witch JT20/JT30, Erdraketen 45–160 mm)Cabling of wind and solar parksMeter management (electricity, gas, water) and lockout servicesTraffic safety measuresSite supervision

Reference customers

Energy utilitiesTelecommunications companies

Quality & Certifications

Sandmann Infrastruktur GmbH is DVGW-certified for the trenchless installation of cables and cable protective conduits and holds TÜV-certified switching authorization up to 30 kV. Qualified skilled personnel work in accordance with the current state of the art.

EvidenceSternbergMalchin
DVGW certification (trenchless installation)
TÜV switching authorization up to 30 kV

Company History

  1. 1991

    Start as a partner for energy utilities and telecommunications companies in cable, pipe and overhead line construction.

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