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131 Svc'5 Ave iu,SLAn it Meridia;i.11J 8464? <br /> 203.286.1992 phone • 200.288.1999 fax r:rn:.htiirtd.^su is l,e:.i:um <br /> May 14.,2015 <br /> C <br /> Brock Martinson <br /> CTA Architects Engineers <br /> 800 West Main Street#800 <br /> Boise,Idaho 83702 <br /> I <br /> Re: Bayer Cropkience Acarnpo f=acility-- Leachtield and Seepage Pit Design <br /> Dear Mr.Martinson: <br /> I have reviewed the design capacity of the 3—60-foot leach-field drainage pipes and 3—36-inch <br /> diameter 25-foot deep seepage pits located at the end of each leachfie'ld pipe.The percolation <br /> rate tested is 4.39 minutes/inch as stated on the Onsite Wastewater Treatment System Permit <br /> Land Use Application#SPA-0600237 for this site located at 7087 East Peltier Road in Acampo, <br /> California. <br /> Based on.the San Joaquin County Environmental Health Department standards and standard <br /> engineering design,the new building foundation constructed 5 feet fiom one of the drainage <br /> pipes will not significantly impact the capability of the wastewater treatment system to function <br /> normally. Additionally,there is no Apparent damage to the leachfield drainage pipes caused by <br /> the construction of the new building foundation. <br /> s <br /> If you have an questions regarding <br /> these findings, the project in general lease call me at <br /> Y Yti g a g :or PJ �p <br /> 530.400.4594 or email me at devensen@kellerassociates.com. <br /> I <br /> i' <br /> Very truly yours, <br /> KELLER ASSOCIATES, INC. <br /> of ESSI <br /> Darrel Evensen,P.E. <br /> Project Manager y -z- <br /> 5 5 <br /> �ClV! <br /> i FGA <br /> 2L011G-010/2/15-I87 <br /> '' Gail:shl) IdahOrall:: Mt:ridiml Poe<dt:Uo 1114S11611tis ill'.503 . :•':'•y.`fi; ';. <br />