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LED Lighting

Save your company money with Light Emitting Diodes

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Custom Lighting

Custom lighting calculations for various levels of lighting

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AutoCAD

Plans completed with AutoCAD

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Custom Lighting

Custom lighting calculations for various levels of lighting

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LED Lighting

Save your company money with Light Emitting Diodes

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LED Lighting

Save your company money with Light Emitting Diodes

  • Military

    Military

  • Resorts

    Resorts

  • Restaurants

    Restaurants

  • Schools

    Schools

  • Distribution

    Distribution

  • Correctional Facilities

    Correctional Facilities

  • Civic Centers and Libraries

    Civic Centers and Libraries

  • Commercial Buildings

    Commercial Buildings

Phoenix Central Library Electrical Engineering Consultant

Phoenix Central Library Electrical Engineering Consultant

Arizona Biltmore Central Plant Electrical Engineering

Arizona Biltmore Central Plant Electrical Engineering

Museum of Science and Technology Engineering Consultant

Museum of Science and Technology Engineering Consultant

Hartwig Engineering

David Hartwig P.E.

Electrical Engineer

Registered Electrical Engineer in Arizona and Alaska

Electrical Engineering for Institutional, Commercial, Industrial, Residential

Mr. Hartwig has experience in engineering, generation, low and medium voltage distribution, controls, construction administration, fire alarm, security, energy management. He is familiar with and works with the nationally accepted building codes to ensure safe electrical installations. He is adept at AutoCAD, Word, and Excel and is computer savvy. He has extensive commercial electrical engineering experience, and has been heavily involved in industrial electrical engineering for the last 30+ years. He is presently a registered professional electrical engineer in Arizona and Alaska.

Areas of expertise:

  • short circuit calculations
  • arc fault studies
  • load calculations
  • one-line diagrams
  • panel schedules
  • photometric calculations (both interior and exterior)
  • voltage drop calculations
  • power plans
  • lighting plans
  • control drawings
  • ladder logic
  • PLC control design
  • ETAP studies and modeling
  • generator sizing
  • standby/emergency generator system design
  • cogeneration design
  • solar design
  • UPS design
  • special inspections

Hartwig Engineering

10781 S Mustang Dr
85338
Goodyear, AZ

Tel:(480) 643 0432
Fax:(623) 386 4098

david@hartwigengineering.com