Austin Tsutsumi & Associates, Inc.
Making Change Possible
About the firm
Established in 1934, Austin Tsutsumi & Associates, Inc. (ATA) is a Hawaii-based civil engineering, environmental, transportation, and land surveying practice. Headquartered on Oahu with a Maui branch, ATA serves government agencies and private clients throughout the Hawaiian Islands and the broader Pacific. Services span land development, public works, water and wastewater systems, transportation engineering, traffic analysis, and surveying and mapping.
- Established
- 1934
- Team
- Small
- Firm type
- Civil Engineering · Environmental Engineering · Transportation Engineering · Land Surveying
Credentials
LEED Accredited Professional (LEED AP)
People
Terrance ArashiroPresident
Adrienne WongVice President, Maui Branch Manager
DeAnna HayashiVice President, Chief Engineer
Erik KaneshiroVice President, Director of Surveying
Garrett TokuokaVice President
Matt NakamotoVice President, Chief Transportation Engineer
Paul AritaVice President
Capabilities
Civil Engineering
Service websiteComprehensive engineering services for land development and public works from initial project conception through detailed design and construction management.
- Land Development
Site engineering, subdivision infrastructure, and low impact sustainable design for residential, commercial, resort, school, and park developments.
- Public Works
Infrastructure design and engineering solutions for public agency projects including roadways and community facilities.
- Construction Management
Construction management and administrative technical services through project completion.
- LEED Support Services
Sustainable design support facilitated by LEED Accredited Professionals to help projects achieve green building certifications.
Environmental Engineering
Service websiteInnovative and economical treatment solutions addressing water supply and wastewater challenges for public and private clients.
- Water Supply & Treatment
Development, treatment, reservoir storage, and conveyance of groundwater and surface water sources.
- Wastewater Engineering
Design of gravity collection systems, pump stations, force mains, and wastewater treatment systems for beneficial reuse.
Transportation Engineering
Service websiteLocal and regional transportation planning and design to manage development-related conditions and deliver balanced multi-modal improvements.
- Traffic Impact Analysis Reports
Preparation of comprehensive Traffic Impact Analysis Reports (TIAR) to evaluate regional and local transportation conditions.
- Traffic Signal Design
Engineering of traffic signals and roadway improvements to optimize vehicle and pedestrian safety.
- Construction Traffic Management Plans
Development of Traffic Management Plans (TMP) to safely and efficiently route traffic during construction phases.
- Intelligent Transport Systems
Design and implementation of Intelligent Transport Systems (ITS) to enhance roadway performance.
Land Surveying
Service websiteA broad suite of surveying, mapping, and GIS data collection services leveraging advanced field technology.
- Topographic & Boundary Surveys
Precise boundary determinations, topographic mapping, and shoreline certifications.
- Construction Stakeout
High-accuracy construction stakeout and aerial control surveys.
- ALTA Mapping & Subdivisions
Detailed ALTA/NSPS land title surveys and subdivision mapping services.
Industries
Land Development · Transportation · Water Supply · Wastewater · Government · Commercial · Residential · Education · Highways & Roads · Hospitality · Parks & Open Space
Projects
No projects listed yet.