• Facilities

• Washington State Ferries
• Southwest Florida Water Management District (SWFWMD), Florida
• I-90 Tunnels & Lids Maintenance Services, Washington State

• Airports

• John Wayne Airport, California

• Tunnels

• Cumberland Gap Tunnel, Kentucky / Tennessee / Virginia
• Hanging Lake Tunnels, Colorado
• Central Artery / Third Harbor Tunnel, Massachusetts
• H-3 Trans-Koolau Tunnels, Hawaii

• Project Resources

• Web Pages

• Hawaii State Department of Transportation

• Project Contact

H-3 Trans-Koolau Tunnels, Hawaii

Background

Currently, we are providing maintenance services to the Hawaii Department of Transportation (HDOT), Oahu District Engineer for the H-3 Trans-Koolau Tunnel project. Services include the development of a database of all equipment in the tunnel facilities complex. Equipment items representative of the CCTV, Traffic Control, fire protection, radio rebroadcast, electrical, HVAC and CO monitoring systems are but a few of the systems equipment provided in the database.