HAWAII ENGINEERINGby AJAW

ENGINEERING ANSWERS

Straight Answers, No Sales Pitch

Deeply useful articles about engineering, infrastructure, and technical services in Hawaiʻi — written to inform, reviewed before publication, and never a substitute for professional advice on your specific project.

PRICING

What does an engineer cost per hour in Hawaiʻi?

Typical hourly ranges for engineering and technical services in Hawaiʻi, what drives the differences, and how HAWAII Engineering's $199/hour starting rate works.

LAST REVIEWED 2026-07-25

LICENSING

When does a Hawaiʻi project require a licensed engineer?

A plain-language overview of when Hawaiʻi law generally requires a licensed professional engineer, and how coordinated projects handle it.

LAST REVIEWED 2026-07-25

PROCESS

Engineer versus contractor: whom should you call first?

When a problem needs diagnosis before construction, calling a contractor first can lock you into the wrong fix.

LAST REVIEWED 2026-07-25

GPR

What does ground-penetrating radar detect?

What GPR can and cannot find — rebar, conduit, utilities, voids — and the site conditions that determine scan quality.

LAST REVIEWED 2026-07-25

How much does GPR scanning cost in Hawaiʻi?

Cost drivers for concrete and utility scanning in Hawaiʻi: mobilization, area, access, and deliverables.

LAST REVIEWED 2026-07-25

MAPPING

What is the difference between LiDAR, photogrammetry, and land surveying?

Three ways of measuring the world — and which one your project actually needs.

LAST REVIEWED 2026-07-25

ENERGY

Why is a solar system producing less energy than expected?

The usual suspects behind solar underperformance in Hawaiʻi — soiling, shading, inverter faults, degradation, and bad expectations.

LAST REVIEWED 2026-07-25

PLUMBING

What causes a bottle-filling station or water fountain to backflow?

Common causes of backflow and drainage problems in drinking fountains and bottle fillers — and why diagnosis should precede replacement.

LAST REVIEWED 2026-07-25

GOVERNMENT

How should government agencies document roadway asset maintenance?

What audit-ready documentation for unit-price roadway maintenance actually looks like, from daily production to quantity verification.

LAST REVIEWED 2026-07-25

How does prevailing-wage work affect project pricing?

Why public-works labor rates differ from private rates, and what that means for your project budget.

LAST REVIEWED 2026-07-25

What should be included in a government capability statement?

The standard one-to-two-page structure agencies expect: core competencies, differentiators, past performance, and company data.

LAST REVIEWED 2026-07-25

LOGISTICS

How much does interisland project mobilization cost?

What drives the cost of moving crews and equipment between Hawaiian islands, and how to plan for it honestly.

LAST REVIEWED 2026-07-25

CONSTRUCTION

What is an owner's representative?

How an independent owner's rep protects your interests during design and construction — and when hiring one pays for itself.

LAST REVIEWED 2026-07-25

FACILITIES

When should a facility order an emergency technical assessment?

The failure signs that justify same-day technical eyes on a facility problem — and what an assessment should produce.

LAST REVIEWED 2026-07-25

How do coastal salt and humidity damage electrical and structural systems?

The corrosion mechanics behind Hawaiʻi's hardest maintenance problem, and what design and maintenance choices slow it down.

LAST REVIEWED 2026-07-25

How should Hawaiʻi property managers plan preventive maintenance?

A practical preventive-maintenance framework tuned for island conditions: salt, sun, rain, and shipping delays.

LAST REVIEWED 2026-07-25