04-09-1990 Council Packet - Laserfiche WebLink

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D. 389 Leaf Street - This 1 acre lot is also in the second tier east of Leaf Street and contains an existing trench drainfield system built probably in 1940 There have been no apparent problems with the system. The Lester loam soils mapped suggest the possibility of a trench replacement system, however, slopes of 6 to 12% on the lot would make a mound system questionable if soil conditions ultimately dictate a mound would be needed. E. 400 Leaf Street - This property is 0.83 acres, and the existing trench drainfield system, installed apparently in the 1960 ’s, has exhibited no problems to date. The wet soils mapped on this lot would require a mound system, and one or two replacement sites might be feasible in the northwest quadrant of the property. Recommendation 1. If the City extends a pipe around the Bayside/Leaf Street corner to serve the Thomas Meyer residence (a 1.77 acre, good replacement capability" lot at 345 Leaf Street), then the properties at 340, 360 and 400 should also be served. 2. This would provide the possibility to serve 370 and 398 Leaf by installing an additional 200 foot pipe eastward on an easement between 360 and 400 Leaf. 3. Doing item 1 would possibly provide capability to extend north of the Luce Line to pick up 2 additional houses west of Lea.. Street, 1 on Ridgewood Circle, and perhaps 4 on Cygnet, all by gravity flow. While I would not recommend expanding the sewer project to incude properties north of the Luce Line at this time, there would be a capability for future connection. 2. Oxford Road Properties. This area contains 10 developed 2 acre building sites, of which 6 are lakeshore lots. 4 of the 10 lots abut Bayside Road, and might conceivably abut the sewer if it was constructed on the south side of Bayside Road. All of the systems in question have been constructed since 1978 and generally meet current code requirements. One has exhibited pa.'.t problems, that being the trench drainfield system at 495 Oxford Road. There was no discharge during the last inspection xn 1988, but this relatively large system apparently subject to occasional excess water use. In each case alternate drainfield sites were designated at the time of subdivision and for the most part appear to still be available if needed. It is possible however, that landscaping and site grading on some lots may have resulted in encrocchments or damage to some sites. This has not been evaluated.