San Mateo County Zoning Code Ch. 8.248 Ao District (airport Overlay District)

In any district which is combined with the Airport Overlay (A-O) District, the regulations specified in this Chapter shall apply.

The intent of the Airport Overlay (A-O) District is to provide a margin of safety at the ends of airport runways by limiting the concentration of people where hazards from aircraft are considered to be greatest.

All uses permitted by the underlying district shall be permitted in the A-O District except residential or uses with more than three (3) persons occupying the site at any one time. Permitted uses shall be subject to a use permit.

All new development shall be subject to the development standards of the underlying zoning district.

All new uses must meet the performance standards of the underlying zoning district.

All new development shall be subject to the following requirements:

• a. Submit an acoustical analysis, prepared by a qualified acoustical consultant, demonstrating that new construction has been designed to comply with the following standard:

  1. Interior community noise equivalent levels (CNEL) with windows closed, attributable to exterior sources shall not exceed an annual CNEL of 55 dBA.

• b. Construct building in accordance with recommendation of acoustical analysis.

(Prior code § 18.6 Ord 2660; 07/08/80)

(Prior code § 18.6 Amd. Ord 3297; 03/12/91)