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300 <br /> Article 7: Subdivisions <br /> Section 7.12:Flexible Developments <br /> (3) If the residential lots are proposed to be served by septic systems,the"Yield" <br /> plan shall show soil suitability for individual septic tanks by a preliminary soil <br /> suitability analysis performed in the field on at least 50%of the proposed lots with <br /> all of the proposed lots located on a map showing the location of soil types suited <br /> for septic systems based on the Orange County, N.C.Soil Survey.The soil <br /> suitability analysis and map shall be prepared by a Soil Scientist in consultation <br /> with the Soil Scientist of the Environmental Health Division of the Orange County <br /> Health Department. <br /> (4) The number of lots achieved through the preparation of a Conventional <br /> Subdivision or"Yield"Plan is the number of lots which must be used in preparing <br /> the Flexible Development Plan.The number of lots may not be increased through <br /> the proposed use of an alternative or community sewage disposal system. <br /> Increases are permitted,however,at the Preliminary Plan stage where a more <br /> detailed soils analysis clearly demonstrates that a greater number of lots is <br /> achievable than shown on an approved Concept Plan. <br /> (B) Design Process <br /> Flexible Development subdivisions shall be designed around both the Primary and <br /> Secondary Open Space Areas,which together constitute the total required open space. <br /> The design process should therefore commence with the delineation of all potential open <br /> space,after which potential house sites are located. Following that,access road <br /> alignments are identified,with lot lines being drawn in as the final step. <br /> This"four-step"design process is further described as follows: <br /> (1) Open Space Designation <br /> (a) All potential Open Space Areas,both Primary and Secondary,shall be <br /> identified using a site analysis map as described in Section <br /> 7.1-413.2(A)(3).153 <br /> (b) Primary Open Space Areas shall consist of those features described in <br /> Section 7.12.4. <br /> (c) Secondary Open Space Areas shall comprise at least half of the <br /> remaining land and shall include the most sensitive and noteworthy <br /> natural,scenic,and cultural resources as described in Section 7.12.4. <br /> (d) Guidance as to which parts of the remaining land to classify Secondary <br /> Open Space Areas shall be based upon on-site visits and the criteria <br /> contained in Section 7.12.4. <br /> (2) House Site Location <br /> (a) Potential house sites shall be tentatively located. <br /> (b) The proposed location of houses within each lot represents a significant <br /> decision with potential impacts on the ability of the development to meet <br /> the criteria contained in Section 7.12.4. <br /> (c) Generally, house sites should be located no closer than 100 feet from <br /> Primary Open Space Areas. <br /> (d) House sites may be situated 50 feet from Secondary Open Space Areas <br /> to permit the enjoyment of scenic views without negatively impacting <br /> Primary Open Space Areas. <br /> (3) Street and Lot Layout <br /> (a) Proposed streets shall be aligned to provide vehicular access to each <br /> house in the most reasonable and economical manner. <br /> ...Correct reference. <br /> Orange County,North Carolina—Unified Development Ordinance Page 7-55 <br />