Honouliuli Wastewater Treatment Plant Secondary Treatment, Phase 1B
2025 | Ewa Beach, Oahu, Hawaii | Wastewater
Secondary treatment facility upgrades and Phase 1B expansions at the Honouliuli Wastewater Treatment Plant.
View project sourceDirectory
Public engineering firm profile
Yogi Kwong Engineers, LLC
Honolulu, HI
Always Digging Deeper
- Services
- 24
- Offices
- 1
- Projects
- 5
- Leaders
- 2
- Founded
- 2005
Overview
Yogi Kwong Engineers, LLC (YKE) is a Hawaii-based geotechnical engineering and construction management organization founded in April 2005 by David R. Yogi, Jr., P.E. and James K.P. Kwong, Ph.D., P.E. YKE has completed over 400 projects totaling nearly $7 billion in construction cost, including trenchless pipeline projects, dam rehabilitation, landslide mitigation, and large infrastructure work. YKE operates an AASHTO-accredited soils testing laboratory validated by the U.S. Army Corps of Engineers. Its drilling subsidiary, YK Drilling, LLC, provides geotechnical, environmental, and water well drilling services throughout Hawaii and the Pacific.
- Founded
- 2005
Services
Geotechnical Engineering
Comprehensive subsurface investigation, analysis, and hazard mitigation for major infrastructure, buildings, and specialized civil works.
Construction Management
Professional construction engineering and management services for public works, utility, and infrastructure projects.
Soils & Rock Testing
AASHTO-accredited and U.S. Army Corps of Engineers-validated laboratory services providing rigorous testing of geological materials.
Drilling Services
Specialized land and difficult-access exploration, sampling, and monitoring installations provided through YK Drilling, LLC.
Industries
Firm type
Project types
Projects
Kaneohe - Kailua Wastewater Conveyance Tunnel
2019 | Kaneohe/Kailua, Oahu, Hawaii | Wastewater
A major wastewater conveyance tunnel project providing long-term system capacity and environmental protection.
View project sourceReplace 24-Inch Underwater Waterline Crossing, Ford Island to Landing C
2020 | Pearl Harbor, Oahu, Hawaii | Water Supply
Installation and replacement of a critical 24-inch underwater waterline crossing connecting Ford Island to Landing C.
View project sourceStream Bank Scarp Protection and Stabilization at the Riverside Apartments
2015 | Hilo, Hawaii Island, Hawaii | Infrastructure
Geotechnical stabilization and scarp protection measures to secure the stream bank at the Riverside Apartments.
View project sourceRunway 8L Widening, Phase 2
2025 | Daniel K. Inouye International Airport, Oahu, Hawaii | Transportation
Widening and infrastructure improvement work for Runway 8L at Daniel K. Inouye International Airport.
View project sourceCredentials and affiliations
Certifications
Awards
2025 Grand Conceptor Award (1st Prize), ACEC Hawaii - Honouliuli Wastewater Treatment Plant Secondary Treatment, Phase 1B2025 Best Large Project, ASCE Hawaii Section - Honouliuli Wastewater Treatment Plant Secondary Treatment, Phase 1B2025 Excellence Award, ACEC Hawaii - Runway 8L Widening, Phase 22023 Honor Award, ACEC Hawaii - Awa Street Wastewater Pump Station Force Main and Sewer System Improvements2022 Best Large Project, ASCE Hawaii Section - Awa Street Wastewater Pump Station Force Main and Sewer System Improvements2020 Build America Award, Associated General Contractors of America - Replace 24-Inch Underwater Waterline Crossing, Ford Island to Landing C2019 Grand Conceptor Award (1st Prize), ACEC Hawaii - Kaneohe-Kailua Wastewater Conveyance Tunnel2018 Grand Conceptor Award (1st Prize), ACEC Hawaii - Ala Moana Wastewater Pump Station Force Mains #3 and #42017 Alliant Build America Award, Associated General Contractors of America - Replace 24-Inch Underwater Waterline Crossing, Pearl City Peninsula to Ford Island2015 National Recognition Award, American Council of Engineering Companies - Stream Bank Scarp Protection and Stabilization at the Riverside Apartments
Leadership
David R. Yogi, Jr.
Co-Founder
P.E.
James K.P. Kwong
Co-Founder
Ph.D., P.E.