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480-226-0046
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estimating@windsorexcavating.com
839 W. Happy Valley Rd.
Phoenix, AZ 85085
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services detail

Horizontal Directional Drilling

At Windsor Underground, we deliver professional dry utility construction services tailored to meet the demands of Arizona’s growing infrastructure. Whether it’s trenching, boring, locating, or street lighting, each service is performed with safety, precision, and strict compliance to utility and municipal standards. With decades of combined experience, our team is trusted by general contractors, developers, and municipalities to execute underground utility work on time and without compromise.

Efficient, Low-Impact Utility Installation

Horizontal Directional Drilling (HDD) is a trenchless construction technique that allows for the installation of underground utilities—such as electric, gas, water, and telecommunications lines—without the need for surface-level excavation. This method significantly reduces disruption to roadways, sidewalks, landscapes, and other built environments, making it an ideal solution for utility installations in busy urban zones or environmentally sensitive areas. At Windsor Underground, our HDD services are engineered to meet the demands of modern infrastructure while keeping communities operational and surfaces undisturbed.

We use advanced guided boring systems and real-time tracking to accurately navigate subsurface routes, ensuring utilities are installed at the correct depth and grade. This allows us to cross beneath roads, driveways, or existing structures with minimal risk to existing utilities. Whether you’re installing conduit beneath a residential development or completing long-distance boring through rock-heavy terrain, our trained HDD crews ensure safe, code-compliant, and clean results that meet the highest performance and safety standards.

Why HDD Is The Smart Choice For Utility Placement

Directional drilling minimizes surface disruption, speeds up project timelines, and meets city and utility specifications. Our experienced operators use real-time tracking systems to ensure bore accuracy, manage curvature, and avoid underground obstructions.

Real-time bore tracking & depth management
Minimizes traffic and community impact
Trenchless installation for power, telecom, and fiber
Reduces need for excavation & site restoration
Safe for urban and rural environments
Ideal for crossings under roads, sidewalks & structures

HDD in Action Across Arizona

From city streets to desert terrain, Windsor Underground deploys HDD to support projects that demand precision, speed, and minimal disruption. Our trenchless approach allows utility installation in challenging environments without disturbing the surface. This is especially beneficial in areas with traffic, existing infrastructure, or environmental restrictions. We bring the expertise and technology to execute every bore accurately and efficiently.

Under-Road Utility Bore Telecom Conduit Rocky Terrain Bore

To install essential conduit infrastructure without disrupting traffic, Windsor Underground performed a precision HDD bore beneath a multi-lane arterial roadway. The installation included dual 4” conduits to support future electric and telecom lines. By using trenchless methods, we eliminated the need for open cuts, preserved pavement integrity, and ensured seamless coordination with the Department of Transportation and SRP.

  • Bore length over 120 ft

  • Zero surface damage

  • Coordinated with DOT and SRP

Windsor Underground executed a directional drill across a public park to install fiber-optic sleeves connecting two telecom service nodes. This project required extreme care to protect the natural environment while meeting technical depth and alignment requirements. Our team applied erosion control measures and completed full site restoration, leaving the area undisturbed and functional post-installation.

  • Fiber-optic sleeve placement

  • Environmental protection measures

  • Clean site restoration

In a rural project with difficult subsurface conditions, we successfully bored through high-resistance rocky terrain. The bore required geotechnical adaptation, continuous tracking, and precision steering to navigate the subsurface and meet utility standards. The trenchless tie-in points were executed cleanly, avoiding the need for disruptive excavation.

  • Geotechnical adaptation

  • Bore tracking with location verification

  • Trenchless tie-in points

What We Handle With HDD

Bore planning, mapping, and utility clearance
Pilot bore, reaming, and conduit pullback
Utility sleeves for power & telecom
Entry and exit pit setup
Subsurface utility conflict resolution
Full documentation and inspection support

Our HDD Process

Our HDD workflow balances precision, safety, and efficiency. We coordinate with utility providers and city inspectors to plan and execute every bore safely and in full compliance with standards. Every step—from route planning to final conduit pullback—is guided by detailed subsurface data and real-time tracking. This ensures installations are accurate, minimally disruptive, and built to meet long-term infrastructure needs.

Site Analysis

Bore Execution & Tracking

Finalization

Trenchless technology that keeps your project moving without digging up the surface.

HDD FAQ

What types of utilities can be installed with HDD?
HDD is ideal for electric, telecom and fiber conduit installations—especially in high-traffic areas.
How deep can you drill with HDD?
Depth depends on soil conditions and utility requirements. We commonly drill between 4 to 15 feet below grade.
Do you need permits for HDD?
Yes. We handle all necessary permits and coordinate with cities and utility providers for approvals.
What makes HDD better than trenching?
HDD eliminates the need to cut through roads, driveways, and landscaping, reducing restoration costs and traffic disruption.

Services

why choose us

Turnkey Dry Utility Solutions
Trusted by Top Contractors in AZ
Licensed & ROC-Certified
Responsive & On-Time Execution
Ready to Break Ground?

480-226-0046

839 W. Happy Valley Rd.
Phoenix, AZ 85085

es********@***************ng.com
5:00AM – 5:00PM

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