• Tohoku Telescope, Haleakala Summit, Maui, HI 

Review of structural design of the telescope concrete pedestal provided by Japanese structural engineering firm and verify its constructability. Providing signed and sealed set of structural drawings reflecting the pedestal with the necessary structural dimensions and general notes for construction. Structural analysis and drawings to retrofit the existing concrete masonry wall. Structural overview during construction. Structural inspection of concrete placement, masonry and reinforcing steel.


  • DKIST Solar Telescope, Haleakala Summit, Maui, HI

Currently under construction, John Ritchey Structural Engineer LLC is currently secured by the Association of          Universities for Research in Astronomy, Inc. (AURA) for special inspection services, as well as, to provide structural consultation and design services during construction as required.


  • PLANETS Telescope Roll-Off Roof Design, Haleakala Summit, Maui, HI

Structural engineering for a new structural frame to support a new roll-off roof and for new concrete pedestals to support a new telescope. Structural design of a new roll-off roof.


  • Paia Inn Addition, Maui, HI

New commercial construction of a 4,771 square foot, 2 story, office/motel addition. The new building addition is comprised of wood framing, masonry walls, and steel framing supported on concrete foundation.


  • Cheeseburger In Paradise Restaurant, Maui, HI

Visual and physical assessment of existing structural members and their connection. Structural evaluation of the existing building, recommendations to remediate and repair. Providing building plans to reflect locations of noted deficiencies and their extent. Structural drawings for the in-place structure and geometry of the restaurant.

Structural repairs and renovation of the entire restaurant.



  • Maui Mall Fun Factory, Maui, HI

Structural engineering services for a design of and reinforcing of a proposed opening(s) in existing stack bond masonry shear wall.




  • America's Mattress Store Expansion, Maui, HI

Structural engineering for a new penetration through an existing partition wall.




  • Custom Residence, Halama Street, Maui, HI

New residential construction of a one story, 600 square foot ohana, and a one story, 450 square foot addition to the main house. Both constructed of conventional wood framing and supported on a concrete foundation.











  • Custom Residence, Kuau Beach Place, Maui, HI

Structural engineering services for the design of a new 2 story, approx. 15,000 square foot, residential home, retaining walls, and swimming pool.



  • Olowalu Driveway Highway Improvements, Maui, HI

Structural design for retrofit to an existing precast concrete pipe located under Honopiilani Highway. Structural design was performed in accordance with provisions set forth by the Sate of Hawaii Department of Transportation.




  • Kaanapali Wastewater Pump Station Renovation, Maui, HI

Structural retrofit and rehabilitation of the existing 1-storey, 600 square foot, pump station. The existing building is comprised of wood framing and masonry walls atop a concrete foundation.




  • Wailuku Heights Wastewater Pump Station #31, Maui, HI

Special inspection services for concrete and masonry construction. Special inspection services for complete load path and uplift ties.


  • Waiale Wastewater Pump Station, Maui, HI

Special inspection services for concrete and masonry construction. Special inspection services for complete load path and uplift ties.


  • Wailuku Heights Tank 30 Booster Pumps, Maui, HI

Structural design of a new masonry building comprised of concrete foundation, masonry walls, and a wood roof comprised of prefabricated trusses. Structural design of new equipment anchorage and their supporting equipment pedestals.


  • Alamo Car Rental Customer Center Interior Improvement, Maui, HI

Structural engineering services for a design of a new partition wall framing in an existing metal building.










  • NAPA Auto Parts, Pukalani, Maui, HI

Structural engineering services to design the foundation, concrete slab on grade and anchorage for a new metal building system. This project is in permitting phase.




  • 215 Wakea Warehouse, Kahului, Maui, HI

Structural engineering services to design the foundation, concrete slab on grade and anchorage for a new 10,000 sq ft pre-engineered metal building. This project is under construction.











  • Wailea Ekahi Unit 20F

Structural engineering services for a new window opening and interior renovation of an existing second story residential condominium.





  • 1999 Main Street, Wailuku, Maui, HI

Structural engineering services to retrofit termite damaged structural framing members of an existing commercial building.




  • ​A&B Properties New Staircase, Kahului, Maui, HI

Structural engineering services for the design of a new metal staircase for an existing commercial building.





  • Paia Fishmarket Front Street, Lahaina, Maui, HI

Structural design of new beams, posts, supporting spread footings, connections, uplift restraint for structural support for a portion of the existing ceiling and roof located within the new dining area within an existing commercial building.

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John Ritchey Structural Engineer, llc

Structural engineering and consulting

John Ritchey has an outstanding reputation for providing excellent engineering and project management services on a diverse range of projects.  The following is a sample list of his relevant work experience.