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EXH 298: Declaration Paul Fendt Supporting Opposition ACC Motion Partial Summary Judgment

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Sea-Tac Airport
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This declaration by Paul Fendt, a licensed civil engineer with over 18 years of stormwater experience, was submitted in support of the Port of Seattle's opposition to the Airport Communities Coalition's motion in a 2001 Washington Pollution Control Hearings Board case. Fendt explains how new airport development and impervious surfaces can impact local waterways by increasing runoff and reducing groundwater recharge, and describes the stormwater management systems required by the Washington Department of Ecology for the Port of Seattle's Master Plan Update projects. The document provides technical background on stormwater best management practices (BMPs) and regulatory requirements under Washington State and federal Clean Water Act permits.

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Declaration of Paul Fendt (Parametrix, Inc.) filed in PCHB No. 01-160, Airport Communities Coalition v. State of Washington Department of Ecology and Port Of Seattle. Fendt, a licensed Professional Engineer with 18+ years of stormwater engineering experience, supports Port Of Seattle’s opposition to ACC’s motion for partial summary judgment. Covers stormwater management for the Master Plan Update (MPU), NPDES permits, SWPPP requirements, BMPs (best management practices), peak flow and low flow impacts, groundwater recharge, the Comprehensive Stormwater Management Plan, and the Low Stream Flow Analysis and Summer Low Flow Impact Offset Facility Proposal (December 2001). References Department of Ecology Stormwater Manuals, King County Surface Water Design Manual, HEC-1, HEC-2, HEC-RAS, WaterWorks, Clean Water Act, and stormwater hydrologic and hydraulic modeling.

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