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495 Hukilike St Meter Revamp (Hawaii)
Client
Confidential (Hawaii electrical contractor)
Industry
Commercial electrical service and metering
Location
Kahului, Maui, Hawaii (utility meters on Maui Electric system).
Dates
April 2026
Team Size
1
Services
Engineering review of an issued-for-construction meter replacement set
Code review of service conductors and grounding
Heads-up list of items a permit reviewer may ask for
PE stamp
Summary
A Hawaii contractor asked MHL to review and stamp the plans for a utility meter swap at a commercial site. The scope was five meter heads, their disconnects, and one meter main combination on a 120/208V, three-phase, four-wire service. MHL issued three items required for the stamp plus a list of permit-side items, and stamped the revised set within about a day of authorization.
Problem / Objective
The contractor needed a sealed set for a meter revamp on a short timeline. The drawings left out conductor insulation data, the grounding electrode system, and had a voltage conflict on one existing meter.
Process
Received the IFC set (dated 4/1/2026) and defined the scope: five meter heads, associated disconnects, and one meter main combo.
Reviewed the single-line diagram, cover sheet, site plan, and elevations against each other.
Required three fixes before the stamp: conductor insulation type and temperature derating for #3 AWG copper at 100A, grounding electrode system details per NEC 250.66 and 250.28, and a voltage discrepancy on an existing meter.
Listed non-blocking items a plan reviewer might flag: load calculations, panel schedules, meters missing from the single-line, sheet numbering, cut sheets, conduit schedule, and NEC edition.
Checked the contractor’s revision, which added conductor, grounding and existing-meter notes and corrected sheet numbers.
Stamped the revised set.
Payoff / Results (Metrics)
Stamped drawings returned on 4/9/2026, the same day the revised set arrived.
Three stamp conditions closed through drawing notes, with no redesign.
The contractor received an advance list of items that Maui County or the utility can return for.
Existing meters were clearly marked as unchanged and reused.
When this applies
An electrical contractor in Hawaii swapping commercial utility meters or meter banks and needing a PE-stamped set with a short turnaround. It also fits anyone whose single-line leaves out conductor ratings or grounding details and wants those caught before the permit counter.
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