Agenda - 11-21-2011 - C5 - Laserfiche WebLink

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330 Article 4: Overlay Zoning Districts Section 42 Watershed Protection 4.2.5 Impervious Surface and Detention Pond Requirements for Residential Uses 69 Impervious Surface Ratio requirements in Section 6.3.7 are suggested to be relocated to this Section of the UDO where other impervious surface regulations are located. Staff is suggesting that the higher impervious surface limits apply only to higher - density residential because, at this time, single- family residential is potentially allowed in the Buckhorn EDD (located in the Upper Eno PW); however, staff does not believe that 70% impervious surface is desirable for lower density residential uses. Additionally, limiting residential uses in the Buckhom EDD to only higher density residential on a limited basis is an anticipated work item in 2012. 70 Impervious Surface Ratio requirements in Section 6.3.7 are suggested to be relocated to this Section of the UDO where other impervious surface regulations are located. Staff is suggesting that the higher impervious surface limits apply only to higher - density residential because, at this time, single- family residential is potentially allowed in the Eno EDD (located in the Lower Eno PW); however, staff does not believe that 70% impervious surface is desirable for lower density residential uses. Additionally, limiting residential uses in the Eno EDD to only higher density residential on a limited basis is an anticipated work item in 2012. orange county, North Carolina — Unified Development Ordinance Page 4 -6 IMPERVIOUS • • . REQUIREMENTS (RESIDENTIAL) DISTRICT IMPERVIOUS . • POND REQUIREMENTS 6% impervious surface limit. UNIV -CA EXCEPT for all lots which existed prior to 4/2/90, which are subject to impervious surface UNIV -PW limits as provided in the following Table (entitled Sliding Scale for Residential Impervious Surface Ratios — Univ, Cane, and Little). [11 BMPs cannot be used to satisfy watershed impervious surface requirements. 6% impervious surface limit. CANE -CA EXCEPT for lots smaller than two acres which existed prior to 1/1/94, which are subject to CANE -PW impervious surface limits as provided in the following Table (entitled Sliding Scale for Residential Impervious Surface Ratios — Univ, Cane, and Little). * BMPs cannot be used to satisfy watershed impervious surface requirements. 6% impervious surface limit. EXCEPT for lots smaller than five acres which existed prior to 6/1/2010, which are subject to U- ENO -CA impervious surface limits as provided in the following Table (entitled Sliding Scale for Residential Impervious Surface Ratios — Upper Eno). * BMPs cannot be used to satisfy watershed impervious surface requirements. 6% impervious surface limit. EXCEPT for lots which existed prior to 1/1/94, which are subject to impervious surface limits LITTLE -PW as provided in the following Table (entitled Sliding Scale for Residential Impervious Surface Ratios - Univ, Cane, and Little). * BMPs cannot be used to satisfy watershed impervious surface requirements. FLAT -PW 12% impervious surface limit for new and existing lots. HYCO -PW * BMPs cannot be used to satisfy watershed impervious surface requirements. 12% impervious surface limit for existing and new lots outside of Transition Areas as designated in the Orange County Land Use Plan. [1] BMPs cannot be used to satisfy watershed impervious surface requirements. 30% impervious surface limit for developments which exceed a density 1 du /acre within U- ENO -PW Transition Areas as designated in the Orange County Land Use Plan. Structural BMPs are BACK -PW required if impervious surface exceeds 12 %. 70% impervious surface limit for residential uses developed at "high intensity" densities (R- 5, R -8, and R -13) in an Economic Development District as designated in the Land Use Element of the Comprehensive Plan (high- density option) with structural BMPs if ISR > 12 %.ss 24% impervious surface limit with curb and gutter. 36% impervious surface limit without curb and gutter. [1] BMPs cannot be used to satisfy watershed impervious surface requirements. 70% impervious surface limit for residential uses developed at "high intensity" densities (R- L- ENO -PW 5, R -8, and R -13) in an Economic Development District as designated in the Land Use Element of the Comprehensive Plan (high- density option), with structural BMPs required when impervious surface exceeds: 24% (w/ curb and gutter); or 36% w/o curb and utter .70 HAW -PW 24% impervious surface limit. 69 Impervious Surface Ratio requirements in Section 6.3.7 are suggested to be relocated to this Section of the UDO where other impervious surface regulations are located. Staff is suggesting that the higher impervious surface limits apply only to higher - density residential because, at this time, single- family residential is potentially allowed in the Buckhorn EDD (located in the Upper Eno PW); however, staff does not believe that 70% impervious surface is desirable for lower density residential uses. Additionally, limiting residential uses in the Buckhom EDD to only higher density residential on a limited basis is an anticipated work item in 2012. 70 Impervious Surface Ratio requirements in Section 6.3.7 are suggested to be relocated to this Section of the UDO where other impervious surface regulations are located. Staff is suggesting that the higher impervious surface limits apply only to higher - density residential because, at this time, single- family residential is potentially allowed in the Eno EDD (located in the Lower Eno PW); however, staff does not believe that 70% impervious surface is desirable for lower density residential uses. Additionally, limiting residential uses in the Eno EDD to only higher density residential on a limited basis is an anticipated work item in 2012. orange county, North Carolina — Unified Development Ordinance Page 4 -6