Underground conduit & vaults
Trenching, duct banks and precast vaults that bring new power underground.
Utility · Masonry · Traffic Control — Oʻahu & Maui
Whatever the job,
Whatever the job,
we're on it.
Conduit, vaults, overhead services, block walls and the traffic control that keeps it all safe. Mana Construction crews work alongside Hawaiʻi's major utilities on Oʻahu and Maui.
What we do
All services →
Three trades, one crew you can call
01 · Utility
Utility
Miles of conduit and cable, precast and cast-in-place enclosures, energized substations and tower foundation retrofits.
Utility work →
02 · Masonry
Masonry
Residential, commercial and civil work, from block walls and concrete structures to drainage and earthwork.
Masonry work →
03 · Traffic
Traffic Control
Certified flaggers, lane closures and work-zone setup so crews and the public move safely through the job.
Traffic control →
How a job runs
From permit to backfill
We take the paperwork as seriously as the fieldwork, and we handle permits in-house.
Scope & bid
We walk the site, review your plans and utility drawings, and send you a clear bid.
Permits
We take care of the permit submittals, so your job is ready to start on schedule.
Build
Our utility, masonry and traffic crews get to work, with a safety briefing every day.
Close-out
We restore the site, pass inspections, and hand you as-builts and full documentation.
We are Mana Construction
Local crews. Hard-to-reach places.
We started as a small local operation and grew into a full team of utility, masonry and traffic crews based on both Oʻahu and Maui.
Safety first
We share our safety philosophy with every employee and every subcontractor.
Honest work
Fair prices and straight answers, so clients call us back for the next job.
Recent work
All projects →
In the field
Overhead service replacements
We add, replace and remove overhead services side by side with Hawaiian Electric.
Maui work zone
Our Maui crew keeping traffic moving safely.