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HLLtY WlU~1HM5 <br />~~ alle <br />CK <br />FdX~33bLLb3U34 <br />iiar 1 LUUb 14 ~71 <br />Williams, carmen ~ kin <br />Engineering Architecture Land Surv <br />February 28; 2006 <br />Mr. Robert Wilson, City Manager <br />City of Mebane <br />106 E. Washington Street <br />Mebane, NC 27302 <br />Subject: Orange County Water and Sewer Project <br />Industrial Drive Pump Station <br />AWCK Job # 03224 <br />Deaz Mr. Wilson: <br />r. u4 <br />~, <br />inc. <br />Attached is our Analysis of Flow to the Industrial Drive Pump Station to address capacity issues <br />related to the new Orange County Water and Sewer Project serving the Buckhorn area. Our <br />analysis indicates that the Industrial Drive Pump Station will have available capacity to accept the <br />flow from the Orange County Water and Sewer Project subject to the following: <br />1. The L.J.. Rogers Pump Station capacity be revised to 98 GPM and connected to the <br />existing 8" sewer force main. Based on our modeling, s change out of'pump impellers <br />will meet this condition. A permit wil( be requued for this change, We estimate that the <br />design, permitting, and related wnstruction and impeller change out can be completed by <br />August I, 2006. <br />2.. Replace the existing 8" gravity sewer line at the end of the existing 8" sewer force main <br />on Eight Street and McPherson Drive with a new 12" gravity line, This replacement line <br />is approximately 1200 feet in length. A gravity sewer extension permit will be required <br />for this pipe replacement; however, it can be done using the fast track method. We <br />estimate that the design and construction of this work can be completed by August 1, <br />2006. <br />We are also attaching a copy of the pump station modeling that generated the estimated pumping <br />rates for the various pumping scenarios. This information is summarized in the attached analysis.. <br />The attached analysis with supporting documents should be sent to the Construction Grants and <br />Loans Section for their review.. If you have any questions relating to this issue, please let me <br />know. <br />Sincerely, <br />Alley illiams, Carmen & Ki Inc. <br />a_ ~,~~ <br />e L. Russe P.E. <br />DLft/ja <br />Attachments <br />740 Chapel Hill Road (27215) P 0. Box 1179 • Burlington, North Carolina 27216 <br />Tel. - (336) 2265534 • Fax- (336) 226-3034 awck.com <br />ESTABLISHED 1960 <br />