Reso PC19-16 0098 PC Reso 910 Woodside Road

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b. Maintain closed at all times all windows and glass doors of the project facing north, east or south at all floors. Install windows and glass doors rated minimum Sound Transmission Class (STC) 34 at Units 1, 2, 9 and 10. Install windows and glass doors rated minimum STC 31 at Units 3- 8, as shown on Figure 1. Provide some type of mechanical ventilation per the Mechanical Code requirements. The project entry doors are exempt from these recommendations. c. When windows are kept closed for noise control, they are to be operable, as the requirement does not imply a "fixed" condition. In addition, some form of mechanical ventilation which brings in fresh air from the outside of the unit must be provided. All other windows of the development and all bathroom windows may use any type of glazing and may be kept open as desired. d. In addition to the required STC ratings, the windows and glass doors shall be installed in an acoustically -effective manner. To achieve an acoustically- effective window and glass door construction, the sliding window and glass door panels must form an air -tight seal when in the closed position and the window and glass door frames must be caulked to the wall opening around their entire perimeter with a non -hardening caulking compound to prevent sound infiltration. e. The acoustical test report of all sound rated windows and glass doors should be reviewed be a qualified acoustician to ensure that the chosen windows and glass doors will adequately reduce traffic noise to acceptable levels. Certification Letter — Prior to issuance of building permits, the applicant shall submit a certification letter from the acoustical consultant verifying that the building permit plans, as proposed, comply with the measures required by the Noise Assessment Study for the Planned Townhouse Development, Edward L. Pack Associates, Inc., May 12, 2016 and the applicable requirements and standards of the General Plan Public Safety Element — Noise. The applicant shall submit a subsequent Noise Assessment Study and/or modify the building permit plans to meet the applicable requirements and standards of the General Plan Public Safety Element — Noise if determined necessary by the Director of Community Development. 61. Work Stoppage for Sensitive Cultural Resources — In the event sensitive cultural resources are identified, work shall stop. a. If deposits of prehistoric or historic archeological materials are encountered during project construction activities, all work within an appropriate buffer area around the discovery shall be stopped and a qualified archeologist meeting federal criteria under 36 CFR 61 shall be contacted to assess the deposit(s) and make recommendations. b. If deposits of prehistoric or historic archeological materials cannot be avoided by project activities, the City Planning, Housing, and Economic Page 22 of 26 ATTY/RESO.0098/PC RESO 910 WOODSIDE ROAD REV: 10-09-19 PR