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One other issue is addressed in the attached amendments. For commercial freestanding signs near I-95 interchanges, a footnote to Table 1 of the ordinance is proposed to be added to clarify that such signs can be up to 50 feet tall , but only if the applicant demonstrates that the taller sign is oriented so as to be seen by I-95 motorists approaching the interchange. The purpose of the change is to ensure that the taller sign provision is properly used along I-95, rather than for traffic along intersecting arterials such as SR 60 and CR 512. Such a change is currently contained in the SR 60 corridor plan LDRs, and should be considered for all existing and future interstate interchanges. Staff Recommendation: Restrict all signs in rights-of-way so that the county's long- standing prohibition of political signs in rights-of-way can be retained. Also, place orientation and visibility conditions on the current allowance for tall signs near interstate interchanges. PSAC Recommendation: Voted 5-1 for the same recommendation as staff. PZC Recommendation: Voted 6-1 for the same recommendation as staff. 4. Mini -Storage Parking Requirements Review of a few recent mini storage project applications has brought into question whether or not the existing LDRs require significantly more parking for mini storage than what is actually needed Attached are two pages from Planning Advisory Service (PAS) report #396, a comparison of some rates from around the country, and a proposed LDR amendment for mini storage parking rates. The county LDRs currently require one space per 3,000 square feet of gross floor area However, the PAS report indicates that parking rates should be tied to number of storage units, since the number of units is the true generator of parking demand. The literature suggests rates between 1 space per every 100 storage units and 1 space per every 200 storage units. The proposed LDR amendment would create a parking rate based on number of storage units, on the conservative side of the PAS recommendation (1 space per 100 storage units). Also, the report suggests that the other important traffic circulation feature for mini storage developments is aisle width. The county's current minimum aisle standard is 20' for one-way traffic, which is based on a 12' wide travel lane and 8' parallel loading space. The proposed LDR amendment establishes a 28' wide two-way driving aisle by requiring another 8' for parking. The concept is, if two vehicles meet in an aisle where a vehicle is loading, one can pull over to let the other pass. - A recent application for Magi Mini Storage proposed 675 units (87,287 sq. ft.) with a resident manager. Under the present LDRs, 29 spaces are required for the 87,287 square foot mini storage facility. The proposed parking rate would require 7 spaces for the 675 units and two for the manager residence for a total of 9 spaces. The applicant is proposing a two-way aisle width of 30' which exceeds the 28' aisle proposed in the LDRs. Staff Recommendation: Reduce and modify the current mini -storage parking requirements to bring them in line with other jurisdictions and planning publication recommendations. PSAC Recommendation: Voted 6-0 for the same recommendation as staff. PZC Recommendation: Voted 7-0 for the same recommendation as staff. May 4,1998 5 601A rB"7r3 Fr�C'L •J i a�