Underground Utility Projects

Real field work. Proven performance in underground utility installation across Arizona. Our projects reflect hands-on execution of water, sewer, fire line, and storm drain systems. From trenching and shoring to final connections, every installation is completed to meet specifications, pass inspections, and deliver long-term reliability.

  • Vitrified Clay Pipe (VCP) Sewer Main Installation

    Installation of vitrified clay pipe (VCP) sanitary sewer main including trench excavation, bedding preparation, pipe alignment, and joint installation in accordance with project specifications and inspection requirements.

  • Ductile Iron Pipe (DIP) Water Main Installation – Pressure Rated System

    Installation of ductile iron pipe (DIP) water main including trench excavation, bedding preparation, pipe alignment, joint assembly, and backfill. Work performed to ensure system integrity, pressure performance, and long-term reliability.

  • Domestic Water & Fire Line Installation

    Installation of underground domestic water and fire line systems, including trenching, pipe placement, and backfill in accordance with project specifications and industry standards. Work includes proper alignment, compaction, and preparation for testing and final connections, ensuring a reliable and code-compliant utility infrastructure.

  • Sanitary Sewer Installation with Engineered Trench Shoring

    Installation of sanitary sewer pipeline (PVC) including trench excavation, engineered shoring system, bedding preparation, pipe alignment, and backfill. Work performed to ensure system stability, safety, and long-term performance.

  • Reinforced Concrete Pipe (RCP) Storm Drain Installation

    Installation of reinforced concrete pipe (RCP) storm drain system including trench excavation, bedding preparation, pipe placement, and precision alignment. Work performed to ensure proper system functionality and long-term performance.

  • Stormwater Chamber System Installation

    Installation of stormwater chamber system including excavation, subgrade preparation, chamber placement, and layout configuration. Work performed to ensure proper system functionality and long-term drainage performance.

  • Storm Drain Structure Installation

    Installation of storm drain structure including pipe connections, base preparation, and integration with storm drainage system. Work performed to ensure proper system functionality and long-term performance.

  • Deep Utility Structure Installation (Manhole / Vault)

    Installation of deep underground utility structure including excavation, placement, and integration with connected utility systems. Work performed to ensure proper system functionality and long-term performance.

  • Water & Sewer System Installation

    Dryos Excavating LLC completed a full underground utilities installation, including excavation, piping, and manhole structures. Our team delivered safe, efficient, and high-quality work, keeping the project on schedule and built to last

  • Domestic Water, Fire Line & Irrigation Backflow Installation

    Installation of domestic water and fire line systems including piping, valve assemblies, and system connections. Scope also includes irrigation backflow installation as part of integrated utility systems. Work performed to ensure proper system functionality and long-term performance.

  • Underground Utility Trenching - Commercial Site

    Trenching and preparation for underground utility installation including water, sewer, and fire line systems. Work performed to support proper system installation and long-term performance.

  • VCP Sewer Line Installation (Clay Pipe) – Precision Alignment

    Installation of vitrified clay pipe (VCP) sanitary sewer system including trench excavation, bedding preparation, and precision alignment. Image highlights uniform joint spacing, proper pipe grade, and quality control during installation to ensure long-term system performance.

  • Underground Storage Tank (UST) Installation – Utility System Integration

    Installation of underground storage tank (UST) including excavation, subgrade preparation, tank placement, and integration with underground utility systems. Work performed to ensure proper system functionality and long-term performance.

  • Confined Space Entry & Manhole Access

    Safe and controlled confined space entry services for sewer and underground utility systems. Dryos Excavating utilizes proper ventilation equipment, tripod access systems, and trained personnel to perform inspections, installations, and maintenance within manholes and restricted environments while maintaining strict OSHA safety compliance.

  • Underground Utility Trenching – Site Preparation & Installation Support

    Trenching and site preparation for underground utility systems including water, sewer, and fire line installation. Work performed to support efficient installation, proper grading, and continuous field operations.

  • Storm Drain Installation – Large Diameter Pipe System

    Dryos Excavating LLC completed the installation of a large-diameter storm drainage system, including excavation, subgrade preparation, and precise pipe placement using heavy equipment. This project highlights our ability to deliver efficient, high-quality underground utility work on demanding commercial sites