Design-build support

Design-Build Electrical Engineering Support for Contractors

A flexible engineering partner for electrical contractors bidding negotiated, design-build, and accelerated permit work.

Architect-style visual of a finished equipment room for contractor engineering support

Commercial practice

Engineering support that helps contractors move from estimate to permit package.

Support is organized around scope definition, permit drawings, load calculations, one-lines, panel schedules, and contractor coordination.

Permit drawingsLoad calculationsOne-linesPanel schedules

How PNW supports contractors

  • Early load and service review
  • Design assumptions for pricing support
  • Permit drawings after scope is confirmed
  • Panel schedules and one-lines
  • Equipment coordination
  • Utility-facing documentation
  • PE stamp in licensed states
  • Normal AHJ response support

Best fit projects

  • Multifamily packages
  • Commercial tenant improvements
  • EV charging infrastructure
  • Generator and ATS projects
  • Service upgrades
  • Electrical corrections
  • Small commercial shells
  • Recurring contractor work

Deliverable approach

Practical engineering focused on permit approval and constructability.

Each proposal confirms the exact drawing sheets, calculations, code basis, exclusions, owner/contractor inputs, schedule, and permit review response support.

Common questions

Electrical engineering questions for this scope.

What does design-build electrical engineering support include?

Support can include concept review, permit drawings, service sizing, one-lines, load calculations, panel schedules, utility coordination notes, and AHJ review responses.

Who is the typical client for this service?

The service is built for electrical contractors, developers, owners, and project teams that need a practical PE-led engineering back-end for permit-ready drawings.

Can the engineering package align with contractor means and methods?

Yes. The drawings can be coordinated with contractor equipment selections, service strategy, installation preferences, and constructability constraints where appropriate.

How are exclusions handled?

Exclusions such as fire alarm, low voltage, photometrics, site visits, construction administration, utility application management, or major redesigns can be identified up front and added separately if needed.

Request a proposal

Send the project basics and get a fixed-fee scope.

Share the project type, location, schedule, available drawings, equipment information, and what needs to be permitted.

Prefer email? casey@pnwengineer.com · (443) 742-7054