Structural & Foundation

Engineered Groundwork that Carries Every Network.

From raw land to ready-to-equip site, ExterNetworks delivers turnkey civil, foundation and structural construction for towers, small cell and communications facilities, built to code, on schedule, and ready for what you mount next.

Our Approach

From Raw Land to Ready Site: A Single, Accountable Process Managed Under One Point of Contact.

  • 01 Survey & Engineer

    Site survey, geotechnical analysis, structural design and drawings.

  • 02 Permit & Prepare

    Zoning, permitting, clearing, grading and access.

  • 03 Build

    Foundations, tower erection, grounding, power and utilities.

  • 04 Inspect & Hand Off

    Testing, compliance docs, close-out and ongoing maintenance.

What We Deliver

End-to-end Site Construction

One accountable team handles every phase below the antenna line, removing handoffs between civil, foundation and structural trades so your site is built right and built once.

Civil Site Development

Preparing raw land into a buildable, accessible compound.

  • Land clearing, grading & excavation
  • Access roads, driveways & turnarounds
  • Equipment compounds, pads & concrete works
  • Retaining walls & erosion control
  • Security fencing, gates & bollards
  • Drainage, landscaping & site restoration

Foundations & Geotechnical

Engineered to soil conditions, loads and future upgrades.

  • Mat, pad, spread footing & pier foundations
  • Drilled caisson / drilled pier foundations
  • Driven piles & auger-cast piles
  • Helical & rock anchors for specialty soils
  • Guy-anchor & ancillary equipment foundations
  • Geotechnical analysis & soil reporting

Tower Erection

New builds, raises and relocations for any structure type.

  • Self-supporting (lattice) tower erection
  • Monopole installation
  • Guyed tower & guy-wire systems
  • Rooftop, water-tank & stealth/concealment structures
  • Shelter transport, setting & cabinet placement
  • Tower removal & decommissioning

Structural Modifications

Reinforcing existing assets for new loads and tenants.

  • Structural analysis & tower mapping
  • Reinforcement & capacity upgrades
  • Tower extensions & height additions
  • Mounts, platforms, T-booms, stand-offs & billboard mounts
  • Ice bridges, ice shields & stiff-arm / tie-backs
  • Modification reports & as-built documentation

Grounding, Power & Utilities

Protecting equipment and keeping sites energized.

  • Motorola R56 grounding design, install & testing
  • Lightning protection systems
  • Commercial power, backup generators & commissioning
  • Underground utilities & trenching
  • Conduit, cable trays & raceways
  • Battery & DC plant support

Inspection, Compliance & Maintenance

Keeping sites safe, lit and inspection-ready.

  • Tower inspections & structural audits
  • FAA tower lighting & obstruction painting
  • Zoning, permitting & environmental (NEPA/SHPO) support
  • FAA / FCC compliance documentation
  • Grounds, facility & foul-weather maintenance
  • 24/7 emergency response & on-call services
Why Us

Why ExterNetworks

Civil and Structural Under One Roof

Turnkey accountability

One team from foundation to final inspection, no subcontractor gaps.

Built to code

R56 grounding, FAA lighting and documented, inspection-ready builds.

Any site, any terrain

Urban rooftops to remote mountaintops, with all-weather site access.

24/7 support

NOC-backed monitoring and emergency response keep sites online.

Planning a New Site or Upgrade?

Send us your location and load requirements. Our civil and structural teams will scope the build end to end.

Let's Talk

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