Prepare
Review utility plans, existing information, access, material needs, sequencing, and required coordination.
02 • Underground Utilities
Critical systems.
Built below grade.
We install sanitary sewer, domestic water, fire service, and storm drainage systems in accordance with project plans, specifications, and applicable requirements.
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Virginia Class A · Highway/Heavy (H/H)VDOT PrequalifiedSWaM Small / Micro / Woman-OwnedSBA WOSBWBE
Utility capabilities
From trench to restoration.
Underground work demands attention to line, grade, material, trench conditions, other utilities, testing, and the construction sequence around it. Our team stays engaged with the responsible project partners throughout installation.
01
Sanitary sewer
02
Domestic water
03
Fire service systems, FDCs & hydrants
04
Storm drainage, piping & structures
05
Trench excavation
06
Bedding & backfill
07
Testing & inspection coordination
08
Surface restoration
Installation sequence
Coordinated from layout through closeout.
Install
Excavate, prepare bedding, install the contracted system, and complete backfill in line with project requirements.
Coordinate
Support required inspections and testing with the responsible providers before restoration and closeout.
Project partners
A utility subcontractor that understands the whole site.
We support general contractors, developers, municipal and government teams, and facility owners managing commercial and civil projects in Hampton Roads.
Culbertson provides construction installation—not engineering design. Work is performed to the contracted plans and specifications, with testing, inspections, and design questions coordinated through the responsible project professionals.
From the field
What goes beneath the surface.
Selected installation and connection details from underground work.
Underground utilities
Utility connections
Underground utilities
Drainage pipe installation
Underground utilities