Civil Engineering

Your Civil Engineering Experts in Hawaii

Okahara and Associates, Inc. icon

Civil Engineering Services

Okahara and Associates, Inc.'s is competent in many areas of civil engineering.  We provide a host of services including:

Site Work Design

Subdivision Design

Highway Design

Water System Design

Wastewater System Design

Hydrologic/Hydraulic Design

Watershed Studies

Permitting

Our Mission

Here at Okahara and Associates, Inc., we have a simple mission: With a commitment towards engineering excellence and a dedication to provide total client satisfaction. We are a team-oriented company mutually striving for unparalleled quality and efficiency, offering a work environment conducive to employee growth, gratification, and recognition.

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Our Civil Engineering Skills

Trust Okahara and Associates, Inc. when it comes to site development for buildings and subdivisions. In addition, we can tackle infrastructure improvements, such as access roads, parking lots, buried utilities, grading, and drainage. We have completed airport and airfield projects, from upgrading aprons to installing washracks to improving signage. And we have undertaken repairs and maintenance, including road resurfacing, roadway widening, improving drainage, and ADA upgrades.




Site Development

  • Palolo Tunnel Access Trail Repairs
  • Puu Papaa Telecom Facility - Upgrade Generator
  • Waikii Ranch Phase II
  • Insular ABCs Phase 3
  • Covanta H-Power AST ESCP Plans
  • Shimabukuro Subdivision, TMK 2-4-078:019
  • Waimea Trails and Greenway Project Phase 1 - Lindsey Road to Kawaihae Road, Waimea, North Kohala, Hawaii
  • Windward Health Center - Security Fence and Other Improvements
  • Kaumana Subdivision Lot Rehabilitation, Kaumana, Island of Hawaii
  • Grace Bible Church
  • Magic Sands Beach Park
  • Lakeview Estate Subdivision

Highway / Roadway / Airport / Harbor Design

  • Maintenance Dredging at Kahului Harbor
  • Maintenance Dredging at Kaunakakai Harbor
  • Trimble & Cadet Intersection Schofield
  • Kawaihae Small Boat Harbor (South) Paving Improvements
  • Rehabilitation of Ac Roadways at Queen's Gate
  • Kamehameha Schools KSK/Princess Drive to Tennis Courts Paving
  • Pali Golf Course Parking Lot Regrade
  • Alewa Neighborhood Park
  • Lalamilo Housing Phase 1 Subdivision, Waimea, South Kohala, Island of Hawaii
  • Mount Ka'ala Road
  • Honolulu Harbor, Phase II
  • Nawiliwili Harbor, Phase II
  • Puako Boat Ramp Drainage and Paving Improvements
  • Molokai Airport Apron Repaving
  • Waimea Airport Apron Repaving
  • Moanalua Freeway, Seismic Retrofit of Pu'uloa Interchange - Design Phase


Utility Design

  • Maakua Wells No. 2
  • Awa Street Wastewater Pump Station and Force Main Improvements
  • Puna Geothermal Venture Power Plant
  • Kealakekua Public Library - Cesspool Closure and Wastewater System Imp. DAGS Job No. 61-36-6592
  • Mariners Ridge Booster II Renovation
  • Wilhelmina Rise 811' Reservoir Replacement
  • Waialae Nui Well Condition Assessment
  • Monitoring Well Assessment and Repair BWS Punchbowl and Punaluu DMW Wells
  • Waikele Gulch Exploratory Well Condition Assessment
  • Wahiawa Water System Improvements
  • Kamaile Wells: Drainage Improvements and Control Building Repairs
  • Fire Hydrant Installations at Various Locations
  • Pump Renewal and Replacement for Kaluanui Line Booster, Kaonohi Booster I, Diamond Head Line Booster, Waihee Line Booster, Punaluu Wells II (Part A) and (Part B)
  • Palolo Tunnel & Chlorinator Improvements
  • Mililani Wells III Valve Replacement and Backwash Tank
  • Lualualei Line Booster System Improvements
  • Kalihi Water System Improvements, Part III
  • Liliha Water System Improvements
  • Ewa Shaft Granular Activated Carbon Treatment Facility
  • Palolo Tunnel System Improvements
  • California Avenue Water System Improvements, Part II
  • Repair Water Lines TAMC

Planning and Studies

  • Mauna Olu Estates Drainage Study
  • Ala Wai Box Culvert Hydraulic Study
  • C&C of Honolulu Parking Condition Survey, Topa Financial Center
  • Queens Gate Drainage Assessment
  • Hakipuu Site Assessment
  • Flood Study / Grading - Waimea
  • He'eia Wetlands Utility Conceptual Plan
  • Mauna Olu Estates Drainage Study
  • Makaha Flood Study
  • Kaoma'aiku Neighborhood Park Drainage Study
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Contact us about getting started on your civil engineering project!

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