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Item No. 2 PC: 3-18-93 SA-92-62 Page 4 Planning Commission on February 18, 1993, that permits an adult educational facility with no exterior facilities provided the exterior noise levels shall not create an interior noise level exceeding 45 dB Ldn, which is the standard for interior noise. The Board of Supervisors approved the Text Amendment on March 9, 1993. The adoption of this Text Amendment permits the trade school to be constructed on this site provided the exterior noise does not create interior noise levels in excess of 45 dB Ldn. Robert Kupka, the owner of the Lodi Airport, is concerned that the school would be affected by the continued aircraft noise above the site. State law requires land uses within airport areas of influence to conform with the Airport Land Use Plan (ALUP), and in reviewing the application for compliance with the ALUP, the Council of Governments used Exhibit 11 of the Woodson Estates Environmental Impact Report, identified as 'Airport CNEL Contours, Future Average Annual Day, Regional Impacts.' This exhibit shows the 60 to 65 noise contour extending into the southern one-third to one-half of the parcel. The ALUP does not allow schools to be developed within the 60 to 65 dB contours due to the noise and potential hazard from the aircraft. To bring the application into compliance with the ALUP, Condition of Approval No. 6.a.from the Council of Governments shall not allow any school structures to be located within the 60 to 65 dB CNEL contour lines. Safety: Mr. Kupka is also concerned that the project is directly under the flight path of runway 26/08, and he states that the majority of the flights which arrive and depart from this airport fly directly above the location of the intended project. The airport itself has the following buildings located on its site: two houses, an office building, a restaurant, and 40 hangars. A letter from the State Department of Transportation, Division of Aeronautics, states that the proposed school site is beneath the traffic pattern for Lodi Airport's primary runway. According to Chris Ryan, an aviator consultant with the Division of Aeronautics, the proposed project is within the rectangular traffic pattern area of runway 26/08, but it is not under the flight track. He stated that the downwind leg of the approach that runs parallel to runway 26/08 would typically be one-haft to three-fourths of a mile to the north of the runway. The response from the Council of Governments states that the project site lies approximately 550 feet from the airport's runway and is within the transitional surface of the runway. Between the project site and the airport is the Jahant Road overpass, which crosses State Route 99. The approximate height from the railing of the overpass to State Route 99 is 261/2 feet, and then it slopes downward to the west, where it levels off at the junction of Woodson Road and West Frontage Road. The height of the proposed school building would be 14 feet. The Council of Government's response letter stated that the height of the proposed building exceeds a 100 to 1 slope imaginary line from the nearest point of the runway outward. Since the proposed 14-foot-high structure exceeds the height of 5.5 feet, the applicant must file a notice of proposed construction with the Federal Aviation Administration and comply with any FAA requirements.