Agenda 06-04-2019 6-a - Major Subdivision Preliminary Plat Application

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87 The applicant is proposing to serve the project with individual wells and for septic systems developed on each lot. The Concept Plan denotes anticipated areas for septic sites. The applicant has also conducted more detailed well and septic analysis and submitted documents as part of their application. Overall drainage will be engineered according to applicable standards at the time of permit application for construction. The property is subject to adopted erosion control and stormwater management guidelines. The Concept Plan currently anticipates improving drainage using mostly Common Open Space Areas. The Concept Plan denotes a 75 foot wide Type E natural/constructed landscape buffer along US Highway 70 East. This area will be planted with additional materials and landscaped(e.g. berms/fencing) to augment preserved existing vegetation. The 75 foot buffer will meet the required Type E Buffer, as outlined in Section 6.8.6(F) of the UDO. The applicant has proposed a 50 foot perimeter well and septic setback and a 100 foot building setback, which would limit structures, clearing and utilities along the perimeter and US Highway 70 East. Tim Smith of Summit Engineering presented a PowerPoint presentation and provided additional project details. Lydia Wegman asked Tim about the additional set-backs and about the wells and septic. Tim Smith confirmed that the building set-backs on US 70 would be 125 feet and 50 feet for well and septic. He also advised that they have hired a consultant for the express purpose of studying the water and septic requirements needed. Adam Beeman questioned the expected size of the homes. Tim Smith related that they expect to build 4 to 5 bedroom homes depending on the individual lot soils and sizes. Randy Marshall asked if the project would be adding stub outs for future development Tim Smith responded that they would not be adding them because the adjacent properties were not likely to be developed. Pat Mallett indicated the County staff was not recommending creation of stub outs to serve adjacent properties. This was due to a combination of factors, most notable surrounding development patterns, topography, and concerns over impacting existing water features. There was general discussion on the potential environmental impacts of roadways crossing water features. Hunter Spitzer asked if they would consider making the internal road into a complete loop for the convenience of the property owners. Tim Smith replied that the topography and reduction to the size of the lots made it undesirable. To do a loop street system would actually require more land disturbing activity and impact the existing grade potentially creating stormwater control issues. Lydia Wegman asked if the open space was going to be available to the property owners to use. Tim Smith asserted that all the open space was available for all of the residents who would own property within Fairway Hills and that for the most part it is wooded and would remain so with mulch paths etc. Mr. Smith stressed any trails development within the open space would not be available for non-property owner access. David Blankford asked if staff and Mr. Smith could provide additional details on the potential stormwater needs for the project.