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57 <br /> Consideration #3 : <br /> Consider phasing of implementation of prezoned areas <br /> to coincide with the extension of sewer service. The <br /> character of development without sewer may preempt <br /> the type of development that we desire. <br /> Collins used a colored map to indicate the location <br /> of sewer lines as described in the staff comment <br /> (copy an attachment to these minutes on page ) . <br /> He also reviewed the options as indicated in the <br /> staff comment. <br /> Collins continued that there is a practice that some <br /> jurisdictions use called "installation of dry <br /> sewers" . These would not be used until major sewer <br /> lines were extended and connection could be made. <br /> Jobsis asked if there would be problems installing <br /> sewer lines under I-40. Ted Abernathy, EDC <br /> director, stated that the problem would be the cost. <br /> It can be done, but is very costly. Jobsis <br /> continued that was the reason the Work Group did not <br /> select a section south of I-85 to Buckhorn. <br /> Collins continued with the point made by <br /> Commissioner that Willhoit that development that <br /> relies on septic tanks may preempt the type of <br /> development character that is desired. The response <br /> to that consideration is that there is one design <br /> manual with standards that apply to all development, <br /> whether served by public sewer or septic. One <br /> result could be that there would be more open space <br /> with septic tanks since more lot area is required <br /> for septic fields. <br /> Waddell noted that economic impact is such that we <br /> could not expect the southernmost areas to install <br /> septic lines under the interstate until the time the <br /> nitrification fields cost more than public sewer <br /> lines. Abernathy agreed. <br /> Jobsis commented that it seemed if that area was to <br /> develop at all, it would have to be allowed to <br /> develop with something other than public sewer <br /> lines. That would likely be the situation for at <br /> least the next twenty years. <br /> Waddell continued noting that there would be no <br /> reason that a business going in with a nitrification <br /> field, switching to public sewer when it becomes <br /> available. The nitrification fields could be <br /> replaced with another building as long as all the <br /> conditions were met. Collins agreed. <br />