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Honolulu Mass Transit Rail Maintenance & Storage Facility

Honolulu, Hawaii

The Honolulu High Capacity Transit Corridor will provide new rail service to the island, with a 20-mile elevated rail line connecting West Oahu with downtown Honolulu and Ala Moana Center. Maintenance Design Group, in support of the Kiewit-HNTB Design/Build Team, provided an Alternative Technical Concept (ATC) for the operational and functional design and industrial equipment integration to the site and buildings. The mission of the ATC was to formulate enhanced efficiency for the life-cycle efficiency of the facility by:

• Creating an efficient track layout resulting in fewer reverse train movements.
• Improving site safety and efficiency by centralizing all staff parking with direct access to building functions, with heavy delivery traffic and service traffic separated from staff parking for safety, and minimizing pedestrian access across traffic ways and rail lines.
• Reducing proposed four-story operations and service building to two stories, providing more daylight to internal spaces, and creating efficiency for staff circulation and supervision.
• Orienting structures for enhanced solar exposure and control.
• Reducing operations and service building mass in conformance with the contextual design of adjacent properties.
• Developing more free acreage for expansion and storm water retention.
• Selecting materials and systems with the understanding that everything is shipped to a remote island, and indigenous building techniques would be instrumental in the project’s success.
• Project master planned for 145 car future capacity.

The site has been registered with the United States Green Building Council for a City-mandated LEED Silver certification.

Project Highlights
• Good-neighbor enhanced design.
• Consolidation for efficient site and building operations.
• Targeted opportunities to meet or exceed LEED directive.

Services Provided
Preliminary Design
Master Plan/Concept Design
Final Design
Equipment Industrial Design
Fleet Size

118 cars

Site Size

43 acres

Facility Size

178,900 square feet

Construction Cost

$128,000,000 (est.)