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DocuSign Envelope!D:A778CF35-OF374017-BC3A-7957175BIC58 <br /> Mr. Frank Girardi <br /> Page 2 of 2 <br /> facilities.This encompasses any proposed work that contemplates modifications to a SPFC <br /> Facility, Lower San Joaquin Levee District Facility, or operation of any adopted plan of flood <br /> control or the hydrology of the water ways including increases or decreases in water surface <br /> elevation due to construction activities and encroachments;any work including dewatering and <br /> vibrations from both pile driving and heavy machinery that may destabilize the SPFC levees; <br /> and potential levee damage resulting from heavy machinery construction activities and <br /> associated haul routes. It is therefore recommended that the environmental document include <br /> a specific flood facility impacts analysis section. <br /> Document Specific Comments <br /> According to p. 1 "PROJECT LOCATION:The project site is located northeast of Byron Road <br /> within the Mountain House community(APN/Address:209-170-03&-04,209-040-01 &-09/ <br /> 18500 S. Henderson Rd.,Tracy)."Parcels 209-170-03&-04 are within Old River, under Board <br /> jurisdiction and may require a Board permit prior to construction. <br /> • Title 23 provides standards that govern the design and construction of projects that <br /> affect the flood control works and floodways. Board staff recommends that you review <br /> Title 23 Standards, including Sections 115(Dredged, Spoil,and Waste Material), 117 <br /> (Supplemental Borrow Standards for the Yuba River), 120 (Levees), and 130 (Patrol <br /> Roads and Access Ramps). Any deviation (or variation)from these standards will <br /> require approval from the Board. <br /> Closing <br /> The potential risks to public safety, including increased flood risks, need to be considered when <br /> developing proposed projects that seek to modify flood control works or the hydrology of the <br /> water ways. Board staff is available to discuss any questions you have regarding the above <br /> comments. Please contact James Herota at(916) 574-0651, or via email at <br /> James.Herota(a)CVFlood.ca.gov if you have any questions. <br /> Sincerely, <br /> &41.ln.A. 15v4t� <br /> Andrea Buckley <br /> Environmental Services and Land Management Branch Chief <br /> ec: Office of Planning and Research <br /> State.Clearinghouse{a opr.ca.clov <br /> PA-1000266 & 267— Informational Letters 6 <br />