Agenda - 12-15-2020; 5-b - Zoning Atlas Amendment - Master Plan Development Conditional Zoning District (MPD-CZ) for Efland Station (formerly Beaver Crossing)

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51 Kimley>>>Horn Page 8 • The TIA need to be modified to document traffic impacts anticipated for the square footage of proposed building area based on a FAR of 0.65, or • A condition needs to be recommended that floor area exceeding that studied as part of the TIA will require modification to the MPD-CZ consistent with Section 2.9.2 of the UDO. The FAR for the Project should also be listed on the Master Concept Plan, specifically sheet(s) C 2.0 and/or 2.1. Response: The Narrative has been modified to specify that the FAR for each Development Area shall not exceed 0.65 provided that the total development of the project shall not exceed 500,000 SF of gross floor area. The addition of this provision within the Narrative allows for total development of the site to be consistent with the TIA. Refer to Section 2-5.A.2 of the Narrative and Sheet C2.0 of the Rezoning Plan for details. iii. Open Space: The Narrative indicates there will be a minimum of 30% open space for the project,translating to approximately 32 acres of land area. Please correct the narrative to reflect 30% of the proposed 104 acre development site. Response: The Narrative has been corrected to show a minimum of 40 acres of open space for the project which equates to approximately 38% of the site. Refer to Section 2-5 of the Narrative for details. j for the Proect is listed at a maximum of 60 ft. Existing language iv. Proposed building height � indicates 'accessory structures' may exceed 60 ft. in overall height. Typically, there are additional setback requirements for structures exceeding 40 ft. in height per Section 3.7 of the UDO. Staff recommends references in the narrative to a'60 ft. height limit' be replaced with the following: Buildings within the development shall abide by the height limitations and allowances established within Section 3.4 Office/Research and Manufacturing of the UDO. Building height shall be limited to 35 ft. 2 feet of additional height shall be allowed for one foot increase in require setback from an external road/property line with a maximum cap of 60 ft. Additional information is required on the anticipated accessory land uses exceeding the 60 ft. height limit. Put simply: the applicant will need to provide a detailed list of land uses, other than signs, exceeding the height limit and the rationale for same. Height limit(s)will also need to be listed on the Master Concept Plan, specifically sheet(s) C 2.0 and/or 2.1. Response:The Narrative has been revised to modify the language for allowable building height above 35' and additional detail is provided for land uses that may exceed the 60' i height limit. Refer to Section 2-5.A.4 of the Narrative and Sheet C2.0 of the Rezoning j Plan for details. v. A total impervious surface limit should be established for the project. Under current regulations, development with this area of the County could be a maximum of 70% with compliance development of stormwater control measures. After conferring with the Director, it has been recommended the narrative contain language discussing the cumulative/shared nature of the development (i.e. shared access roads, shared parking, common stormwater control measures, open space preservation, etc.) resulting in an overall reduction in the amount of land clearing/grading that will be required to accommodate the Project. This will result in an overall reduction in the anticipated environmental impact of the Project thereby potentially justifying additional impervious surface area. 00 Morris Street, Suite 200, Durham, NC 27701 101 • .: