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Zoning File #948 <br />August 16, 1985 <br />Page 2 of 2 <br />Reverend Glenn Chaffin of the Church of Religious Science tells me <br />that the church uses the patio area just west of the pond area and east of <br />the fence (North East portion of Lot 1) in their church services. While <br />this does not necessarily affect the subdivision, perhaps the applicant and <br />the church wish to pursue a revision of the plat to create a parcel to be <br />deeded to the church. This is up to the applicant. <br />There is an existing well located on Lot 2 that presumably serves the <br />existing house on Lot 2. This well appears to meet the pertinent sanitary <br />setbacks. <br />A septic system drainfield testing report has been submitted, pro­ <br />posing mound-type systems for all primary and alternate sites. <br />Lot 1 - A 13,000 s.f. area has been designated for use as drainfield. <br />The three perc tests made in this area were taken at depths of 12-16" and <br />•• anged from 35 mpi to 80 mpi. The borings done on this site were no deeper <br />whan 16". From my observations and the notations of the site evaluator, <br />this area contains "fill" soils. My boring taken 8/15/85 to a depth of 5' <br />indicated about 2-2 1/2 feet of clay fill overlying a layer of dark gray <br />sand, possible the original soil surface which may be an old beach ridge. <br />This sandy soil was quite dry and may be suitable even for a trench-type <br />system. <br />I would suggest that the applicant have additional borings and perc <br />tests done in this area to determine the extent and depth of this sand <br />layer. While the average of the 3 perc tests is satisfactory for con­ <br />struction of a mound, I would hesitate to place a mound system over a <br />variable and unknown fill layer. <br />Lot 2 - Many borings to locate a suitable alternate site were per­ <br />formed on this property by the site evaluator, and all indicated a seasonal <br />water table at relatively shallow depths, and again a wide range in perc <br />rates. The area behind the house and uphill appears to be a more natural <br />soil, and with an average perc rate of 23 mpi, and slope terraces at about <br />10%, a mound-type system could probably be stretched and squeezed to fit <br />the site. It is also likely that, based on the variable lenses of clay <br />and sand in this slope, that a curtain drain might alter the water table so <br />that shallow trenches could be installed. <br />We have tried on numerous occasions to locate the septic system <br />serving the existing house, but to no avail. There is no evidence of <br />system failure, no visible surface discharge in the area, so the system is <br />presumed to be in adequate condition. <br />Staff would suggest that it is likely that the septic questions can be <br />resolved with som3 additional site work and review. All other facets of <br />the subdivision proposal appear to meet zoning zoning code requirements, <br />and we would recommend approval subject to the following: <br />1. <br />2. <br />3. <br />4. <br />Staff to resolve septic system issues with the applicant <br />Drainage end utility easements as proposed. <br />30' drainage easement over channel as proposed <br />Removal of foundation and remains of the parish hall.