Agenda - Council - 10/24/2006 - Laserfiche WebLink

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ls for Associate Planner Dalnes indicated a soils report has the report it still additional study of soils in the exact drain field area. After rovie unclear whether the site is viable for a septic system. The City action p untila t further information regarding the soils report. Staff recommends can be verified that the subsurface conditions are viable for a septic system, what the size of the system will be, and where it would be located. Citizen Input Mr. Mike Walz, General Contractor representing Northfork Office Condos, stated he is frustrated about how this situation is going. He just found out tin According minuet s about to his recommendation to table this and require additional g conversation with Ms. Dames, the bottom line is that they need to excavate the entire site n to . determine the viability of the septic system, which he finds completely mle el l they ridiculous. Ie able t�recommeri�iriog'" f 'wi doing excavation it will invalidate those locations anyways. His that tic<clesr� war thxtl s =pending final app . p Chairperson Nixt requested information regarding the septic system. C itr Engineer Jankowski exp ed the sods report indicates ha that f� r'p s were ff buried debris foam in two of the pits where fill d been p laced:: Sta completedw� � � ,,.: hadsuggesed the Abe du beca they were aware this area had beenu to place e test pits. Two ofthe pits did not have any material Mr. fill, which Was confirmed the p� Jankbwskiradvised� the r suggests that it is possible t hat the two areas wh there or i p was no f c may b e an: "ar - e the extent of the f 11 and ind to make sur these needs to be additional testing to determine areas are acceptable to accommodate the septic system. This report a City. or g done is only a partial fulfillment of the subsurface assessment requested by Chairperson Nixt requested clarification that this septic system of the drain for a co for the dev and would meet commercial sizing. f use and the native soils the drain field conventional system would be based on the type would be established in. The test is inconclusive as to the soils; therefore they are not able to properly size the drain field. ig the drain field City Engineer Jankowski explained at this point it t There c autonary "not in the needs to be because the infiltration rates are no soils report about infiltration rates; the report states: If the very top soil layer observed and tested for extends below the drain field the rate of infiltrationn could be m l o w er than the rate estimated Mr. Jankowski advised there is som e uncertainty the report, and an infiltration test is recommended. They can then size how much area is needed, and then do borings to determine if there is sufficient area.