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PORT OF OAKLAND Preferred Alternative OAK has completed RSA planning studies that describe current conditions and identify non- standard RSA design features. The RSA planning studies also include an evaluation of a range of alternatives for bringing the RSAs into compliance with current FAA design standards and criteria. RSA alternatives were screened and a recommended Proposed Project Alternative has been chosen for each runway. The No Action Alternative will also be considered in the EA. The preferred alternative would not involve placing any fill in the bay. The Proposed Project Alternative includes undertaking the following RSA improvements on existing airport property: North Field: • Grading and drainage improvements within the Runway 9L/27R RSA, which would allow for the RSA to be mostly compliant on both ends up to 1,000 feet long by 500 feet wide; • Grading and drainage improvements within the Runway 9R/27L RSA, which would allow for the RSA to be 500 feet wide and compliant on the 27L end with a Iength of 1,000 feet long and bring the end of Runway 9R into greater compliance by establishing a 780-foot long RSA; • Relocation (to the extent feasible) of an existing airfield service roadway that is currently located within the Runways 27L and 27R RSA; and • Relocation of an existing airfield service roadway that is currently located within the Runway 9R RSA. South Field: Grading and drainage improvements within the Runway 11/29 RSA, which would maintain the 10,000 feet long runway length and allow for the Runway 11 end to be RSA compliant with a dimension of 1,000 feet long by 500 feet wide; and Construction of a 480 feet long, non-standard installation of Engineering Materials Arresting System (EMAS) on the end of Runway 29. EMAS is a bed of lightweight crushable concrete that is intended to stop aircraft that have overshot a runway when insufficient space is available for a standard RSA. EMAS allows the aircraft to decelerate at a safe rate by crushing specially designed concrete blocks. EA Document The EA will be based upon the RSA planning studies and recommended solutions to bring the North and South f gilds into FAA compliance to the greatest practicable extent while limiting negative environmental impacts. The EA will be prepared according to the guidance of FAA Order l OSO.IE, Environmental Impacts: Policies and Procedures, FAA Order 5050.4B, National Environmental Policy Act (NEPA) Implementing Instructions for Airport Actions, and the