Horizontal directional drilling
Directional Boring from small 1" diameter projects to large 36"+ bores, we have the equipment and expertise to get the job done with minimal surface disruption. We work across a wide range of soil conditions — including sand, dirt, clay, blue rock, cinder, and cobble — so no job is too tough.
Septic Services
Comprehensive septic system installs, repairs, and upgrades for commercial and residential developments, including septic tanks, seepage pits, anaerobic tanks, cesspools, pump stations, absorption beds, and leach fields.
Water
meter
Services Reliable water meter installations and replacements ensuring accurate flow measurement and code-compliant connections.
Underground Utilities
Expert installation of water, electrical, and telecom lines using specialized trenchless methodologies.
Site Preparation
Precise grading, excavation, and land clearing to ready any commercial or residential site for development.
SERVICES
FEATURED Projects
Our projects have and always will reflect the uncompromising workmanship demanded of us to ensure the work exceeds our customers' standards.
Commercial
Kuihelani & Kaonoulu Substation
Federal
command & control facility
schofield barracks
state
Kihei Force Main no.16 replacement
Over 1,400 linear feet of HDD beneath Central Maui's busiest highways, through basalt, cobble rock, and river gravel — delivering the underground infrastructure behind two substations now powering the island's growing communities.
Nearly 1,600 linear feet of HDD through dense red clay, beneath Kamehameha Highway and Wisser Road — delivering critical underground infrastructure for the $46 million U.S. Army Pacific headquarters complex.
4,635 linear feet of fusible PVC force main driven through fractured basalt and void-riddled rock along South Maui's coastline — a $5.4 million replacement of infrastructure originally built in 1978.
WHAT OUR
PARTNERS SAY
"Hawaii Pacific Trenchless Team helped us with a water utility installation and made the whole process smooth. It’s clear they know their craft. Well within budget & way above expectations. "
KALEO GILMAN
"Hawaii Pacific Trenchless were always on time, professional, and easy to work with. Their quote was competitive and right on target, Kept us in the loop the whole way through. On time and on budget. "
Bill M.
"Pradeep and the HPT team made our septic work easy from start to finish. The crew was respectful, efficient, and left the area cleaner than I expected. Everything went smoothly, and the communication was solid throughout. Would absolutely work with them again.”
Mahina Keawe
our core values
innovation
CRAFTSMANSHIP
reliability
INDUSTRY PUBLICATIONS
Hawaii Pacific Trenchless used horizontal directional drilling to complete a challenging Maui project through hard volcanic rock and difficult ground conditions. Their experience in island geology allowed the installation to be completed efficiently with minimal surface disruption.
Battling Rock on the
Island of Maui
HDD to Replace Sewer Line Near Changing Water Table
Hawaii Pacific Trenchless used horizontal directional drilling to replace a sewer line near Maui’s shoreline, where a shallow and constantly changing water table made traditional trenching difficult. Despite challenging soil, saltwater, and tight working conditions, HDD allowed the project to be completed with minimal disruption to traffic and nearby businesses.