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�{ KJELOSEN Stephen K.Sinnock,P.E. <br /> S S I N N O C K Christopher H.Neudeck.P.E. <br /> Neal T.Colwell,P.E. <br /> N N E U D E C K Barry O'Regan,P.E. <br /> inc. CIVIL ENGINEERS&LAND SURVEYORS <br /> 2414-0010 <br /> 08-300 <br /> July 8,2020 <br /> Mr.Jeffery Wong <br /> Jwongka,sj og v_org <br /> Senior Registered Environmental Health Specialist <br /> Environmental Health Department <br /> San Joaquin County <br /> 1868 East Hazelton Avenue <br /> Stockton,CA 95205 <br /> Re:Grindstone Joe's Engineer Plan Check for Wastewater System Design(Holding Tank) <br /> Dear Mr. Wong, <br /> Thank you for your comments on the revised Grindstone Joe Association(Association)wastewater holding tank <br /> design submittal package and for having a discussion with us to clarify the policy and the County's stance on <br /> these items. <br /> In response to your July 7t',2020 comments,the only outstanding item to be addressed is the setback distances of <br /> the tank. Please see our response below and the attached exhibit in response to this issue. Your review comments <br /> are included below,with our responses indicated in bold italics. <br /> 1. The proposed location of the tank does not meet minimum setback requirement of 100 feet to per Table <br /> 1.5 of Section 1.5 of the San Joaquin County Onsite Waste Treatment System (OWTS) Standards. KSN <br /> stated in the Letter that the location meets 50-foot set back as an "Existing, Non- Conforming OWTS". <br /> The parcel is not a non-conforming lot, as the property is listed as a 12-acre parcel. Please submit <br /> revision/addendum for the location of the tank that meets minimum of 100 feet setback to waterways per <br /> OWTS Standards. <br /> The physical location of the site does not allow for 100 foot setbacks from all waterways. The site is located <br /> on an island/peninsula that is surrounded by water andlor a lagoon. At its widest point, the island is only <br /> approx 1 SO feet across and is approximately 130 feet wide at the proposed tank location. The proposed tank <br /> location exceeds the setback requirement of 100 feet from the existing water well. The proposed location of <br /> the tank is close to the existing restroom and at a location strategically placed to allow access for pumping. <br /> Please see the attached exhibit that shows the location of the existing well,the 100 ft setback distance from <br /> the well,the location of the proposed holding tank,and the setbacks from waterbodies at this location..Based <br /> on this we request a variance of the setback requirement be granted for this project. <br /> Corporate Office: 711 N Pershing Avenue I Stockton,CA 95203 1 209-946-0268 1 www.ksninc.com <br /> West Sacramento: 1550 Harbor Boulevard,Suite 212 1 West Sacramento CA 95691 916-403-5900 <br />