Laserfiche WebLink
i <br /> I <br /> i <br /> -2- <br /> I <br /> I <br /> g That the pipeline:and the shut-off valve shall be clearly marked in the field such that <br /> their iocation can be-easilly established in a flood event/emergency repair action. <br /> I <br /> h. That the backfill over the pipe shall be compacted impervious soil or controlled low <br /> strength material (CLSM) below the aggregate base course. <br /> i <br /> L That the.proposed pipe in the levee shall be located at least two feet below the levee <br /> crown. If it is necessary to raise the levee crown to provide a minimum of two feet of cover over <br /> the top of the proposed pipe, the fill shall be uniformly.transitioned on a 1 on 10 slope or flatter <br /> on each side of the proposed pipe and feathered into the existing grade. <br /> j. That the pipe shall be placed on the landside levee slope with 2 feet of fill over the pipe <br /> and be pniformly transitioned on a 1 on 10 slope or flatter on each side of the proposed pipe <br /> and feathered into the existing slope. <br /> I <br /> I <br /> k.i That adequate bank protection shall be placed around and under the exposed pipe at <br /> its exit on the waterside slope. <br /> i <br /> 1. i That in the event erosion occurs at the sites, the eroded areas shall be repaired and <br /> bank protection shall be placed to prevent future erosion. <br /> m.l That the condition of the pipes shall be verified using video or sonar equipment at least <br /> once eve <br /> resulry five years or annual pressure readings showing no significant lost in pressure. The <br /> ts shall be submitted through the Central Valley Flood Protection Board to the Department <br /> of Water Resources, Flood Project Integrity and Inspection Branch and this office. <br /> n. I That the existing Ilandside sump shall.be monitored for seepage every 3 hours during <br /> high water stages. <br /> I <br /> I <br /> A file (SPK-2011-00070)has been opened because a Section 10 and/or Section 404 <br /> permit may be required. Please advise the applicant to contact the U.S. Army Corps of <br /> Engineers, Sacramento District, Regulatory Division, 1325 J Street, Sacramento, California <br /> 95814, telephone(916)557-5250. <br /> A copy of this letter is being furnished to Mr. Don Rasmussen, Chief, Flood Project <br /> IntegritylandInspection Branch, 3310 EI Camino Avenue, Suite LL30, Sacramento, CA 95821. <br /> I <br /> I <br /> Sincerely, <br /> i <br /> I <br /> I <br /> Michael D. Mahoney, P.E. <br /> Chief, Construction-Operations Division <br /> i <br />