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Article 7: Subdivisions 295 <br /> Section 7.12: Flexible Developments <br /> (3) If the residential lots are proposed to be served by septic systems, the"Yi <br /> plan shall show soil suitability for individual septic tanks by a prelimina soil <br /> suitability analysis performed in the field on at least 50% of the pro sed lots with <br /> f the proposed lots located on a map showing the location soil types suited <br /> for s is systems based on the Orange County, N.C. Soil rvey. The soil <br /> suitabilit nalysis and map shall be prepared by a So' cientist in consultation <br /> with the Soil ientist of the Environmental Healt ivision of the Orange County <br /> Health Departme <br /> (4) The number of lots ac ' ved through th reparation of a Conventional <br /> Subdivision or"Yield" Plan ' the n er of lots which must be used in preparing <br /> the Flexible Development Plan. e number of lots may not be increased through <br /> the proposed use of an alt ative community sewage disposal system. <br /> Increases are permitte , owever, at t Preliminary Plan stage where a more <br /> detailed soils anal ' clearly demonstrate at a greater number of lots is <br /> achievable tha own on an approved Conce Plan. <br /> (B) Design Pro s <br /> Flexible D elopment subdivisions shall be designed around both Primary and <br /> Secon ry Open Space Areas, which together constitute the total requ d open space. <br /> T design process should therefore commence with the delineation of all tential open <br /> pace, after which potential house sites are located. Following that, access roa <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 /> 7.4-413.2(A)(3).144 <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 . 2.4. <br /> Guidance as to which parts of the remaining land to clas ' Secondary <br /> Open Space Areas shall be based upon on-site visits d the criteria <br /> ntained in Section 7.12.4. <br /> (2) House Site L ation <br /> (a) Potential ho a sites shall be tentativ located. <br /> (b) The proposed loc ' n of house ithin each lot represents a significant <br /> decision with potentia ' a on the ability of the development to meet <br /> the criteria contained in 'on 7.12.4. <br /> (c) Generally, house s' s should be cated no closer than 100 feet from <br /> Primary Open ace Areas. <br /> (d) House�it <br /> i may be situated 50 feet from ondary Open Space Areas <br /> to pe the enjoyment of scenic views withou gatively impacting <br /> P ' ary Open Space Areas. <br /> (3) Str and Lot Layout <br /> a) Proposed streets shall be aligned to provide vehicular access to ch <br /> Z_11� house in the most reasonable and economical manner. <br /> 144 Correct reference. <br /> Orange County, North Carolina—Unified Development Ordinance Page 7-55 <br />