June 20, 2006 CCP - Laserfiche WebLink

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Septic Review 5751 Hytrail Avenue Page 2 6/20/2006 the history of these lots, I would recommend that 2 test pits be dug for the City to accurately assess the soils before approval be given for a new system. Mitigation Plan A performance based system is required to have a Mitigation Plan, this plan lists the steps to be taken if the system has problems. The approved plan has a detailed mitigation plan that centers on repair of the system and expansion of the disposal area to the back yard if the front yard system has problems. The proposed mitigation plan only states that the owner sha_l_ add on to the system, it does not detail how or where. Recommendations I would recommend that the proposed plan not be approved as it does not provide the same level of treatment or infiltration area as the originally approved design. The ability to pre -treat the wastewater and the very large drainfield were the main reasons this lot were given the original approval. I believe the system should be repaired to operate as designed and approved. There is a significant investment in these systems and they shouldn't be abandoned without an attempt at repairing them. If problems still persist the approved mitigation plan should be followed. I do not believe the proposed system will provide long term solution. However, if the City chooses to allow the applicant to proceed with the proposed design I would recommend that two test pits be dug to confirm the applicants soil borings and that the monitoring and mitigation plans be resubmitted with better detail and more stringent reporting.