PL-INT-2023-005741 06.30.23 TETRA TECH INC CAT PL.2, PL.13

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County of Hawaii Planning Department FY 2023-2024 Statement of Qualifications L*TETRA TECH As an example of our programmatic environmental support capabilities, Tetra Tech has been providing environmental support program services to Hickam - Communities LLC (HC) at Joint Base Pearl Harbor-Hickam, 0`ahu, Hawaii • continuously since 2006 to facilitate the characterization, cleanup, and soil management of pesticide-impacted soils. During HC's redevelopment activities, Tetra Tech has provided the following services: characterizing residual pesticides ` -- in soil using multi-increment sampling; creating field sampling plans, health and safety plans, and a RI report implementing soil management including import • and export material characterization and soil disposal profiling; and construction ` air monitoring. Tetra Tech has also been overseeing pesticide-impacted soil management/excavation; long-term soil management planning and implementation including creating a Land Use Controls Implementation Document (LUCID); leading technical discussions and providing input to government and regulatory agencies; and conducting Phase I and Phase II ESAs. Additionally, Tetra Tech has performed LBP and ACM surveys as part of a long-term renovation and redevelopment project for over 800 community housing structures at Hickam Air Force Base. Climate Change Mitigation and Adaptation JS\NESSJOURAJ • Tetra Tech realizes the importance of building resilience to the impacts of climate change, �� FB'%� which requires technical assessments, awareness of potential impacts, and creative 2019 • solutions. We have been at the leading edge of climate change analysis; our experts have CCBJ BUSINESS developed first-generation climate change models, including the Global Carbon Cycling ACHIEVEMEN Model, and supported flagship climate change pilot projects for several U.S. agencies, y z multilateral institutions, and national and state governments. Our projects range from 77 AWARD c�� r conducting scientific and policy assessments to performing the full suite of greenhouse gas �6b44"�e,, emissions and climate risk modeling services to develop and implement effective • "" `�O� adaptation and mitigation solutions. In 2013 and again in 2019, the Climate Change Business Journal honored Tetra Tech with the Climate Risk Management and Adaptation award for providing integrated solutions to climate change. Sea Level Rise Vulnerability Assessment The impact of sea level rise resulting from climate change presents an imminent threat to the economy,sustainability,security, and way of life in Hawaii, with the potential to cause loss of roads, utilities, and structures across the state. In 2014 the Hawaii State Legislature passed the Hawaii Climate Adaptation Initiative, mandating the first statewide sea level rise vulnerability assessment to provide a basis for recommendations on reducing exposure and increasing adaptability. The Hawaii Department of Land and Natural Resources (DLNR), contracted Tetra Tech to prepare the Hawaii Sea Level Rise Vulnerability and Adaptation Report, which DLNR submitted to the State Legislature in December 2017. For this report, Tetra Tech conducted a statewide sea level rise vulnerability assessment that included Hawaii, Maui, Molokai, Lanai, 0`ahu, Kauai, and the Papahanaumokuakea Marine National Monument and developed recommendations to reduce exposure and increase the capacity of the state to adapt to sea level rise. Tetra Tech collaborated with multiple entities—including the DLNR, Office of Conservation and Coastal Lands, University of Hawaii, state and county governments, and the Hawaii Climate Mitigation and Adaptation Commission—to produce the Report. In addition, Tetra Tech was contracted by the Hawaii Sea Grant College Program to develop guidance for integrating sea level rise in county and community plans. Working with county planners, the guidance will help counties together with their communities and partners address sea level rise through their existing planning processes. Case studies were used to improve understanding of opportunities and challenges to increase resilience to coastal hazards and sea level rise through planning and post disaster reconstruction. In Spring of 2020, Tetra Tech was contracted by the Maui County Department of Parks and Recreation to perform a Maui County Beach Parks Vulnerability Assessment. This project includes a detailed analysis of the vulnerability of Maui County's beach parks and developing recommendations to address short and long-term impacts of coastal hazards, climate change, and other environmental threats. PAGE 5