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MEMORANDUM TO: Planning Commission FROM: Chet Davisson�� Director SUBJECT: MAJOR SUBDIVISION APPLICATION NO. SU -87-5 OF FRANCO CONSTRUCTION (C/O SAN JOAQUIN COUNTY PLANNING DIVISION) ---------------------------------------------------------------- The Planning Division is initiating the amendment of Condition of Approval No. 1(e) for the Rosegate Terrace subdivision in Lathrop (SU -87-5). This project was approved by the Planning Commission on April 16, 1987. Condition No. 1(e) is as follows: "The construction of any two-story house shall be restricted to the eastern portion of the proposed development, specifi- cally outside the 65 decibel contour, per Exhibit A." The Planning Division is recommending that this condition be changed so that two-story construction would be allowed between Interstate 5 and the 65 decibel contour. However, noise attenu- ation would have to be included in the construction of the house to lower the interior noise level to at least 45 decibels. The 45 dB Ldn is the criterion listed in the Noise Element for interior noise levels for residential uses. Through construction and insulation techniques, and through the use of double -paned windows, this noise level can be obtained. The Planning Division is recommending that Condition No. 1(e) be changed to read as follows: "Interior noise levels shall not exceed 45 decibels." Attachment CD/KS/blm SAN JOAQUIN COUNTY DEPARTMENT OF PLANNING AND BUILDING INSPECTION Item No. 1 a `• 1810 E. HAZELTON AVE., STOCKTON, CA 95205 CHET DAVISSON C"�ycOp�:o• PLANNING PHONES 209/468-3120 Deem H011 DING PHONE 209/4683123 JERRY HERZICK Deputy Okada, TOM WALKER Deputy DDedo, January 21, 1988 MEMORANDUM TO: Planning Commission FROM: Chet Davisson�� Director SUBJECT: MAJOR SUBDIVISION APPLICATION NO. SU -87-5 OF FRANCO CONSTRUCTION (C/O SAN JOAQUIN COUNTY PLANNING DIVISION) ---------------------------------------------------------------- The Planning Division is initiating the amendment of Condition of Approval No. 1(e) for the Rosegate Terrace subdivision in Lathrop (SU -87-5). This project was approved by the Planning Commission on April 16, 1987. Condition No. 1(e) is as follows: "The construction of any two-story house shall be restricted to the eastern portion of the proposed development, specifi- cally outside the 65 decibel contour, per Exhibit A." The Planning Division is recommending that this condition be changed so that two-story construction would be allowed between Interstate 5 and the 65 decibel contour. However, noise attenu- ation would have to be included in the construction of the house to lower the interior noise level to at least 45 decibels. The 45 dB Ldn is the criterion listed in the Noise Element for interior noise levels for residential uses. Through construction and insulation techniques, and through the use of double -paned windows, this noise level can be obtained. The Planning Division is recommending that Condition No. 1(e) be changed to read as follows: "Interior noise levels shall not exceed 45 decibels." Attachment CD/KS/blm