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Home My WebLink AboutRE NC Drainage Improvement Project Carpenter,Kristi From:Steenhuis, Joanne Sent:Tuesday, August 29, 2017 2:44 PM To:Herndon, T. Mason; Shaver, Brad Subject:RE: NC Drainage Improvement Project Good Afternoon Mason, I agree with your assessment of the 3 features on NC 50 near the Duplin/Pender County line. From: Herndon, T. Mason Sent: Tuesday, August 29, 2017 9:04 AM To: Shaver, Brad <Brad.E.Shaver@usace.army.mil>; Steenhuis, Joanne <joanne.steenhuis@ncdenr.gov> Subject: NC Drainage Improvement Project Importance: High NCDOT is having flooding problems on NC 50 near the Duplin/Pender County Line. Hydraulics as reviewed the site and recommended that we upsize some pipes and cleanout sediment at the Site 1 outlet. Attached is a package that includes a location map, aerial photo with descriptions of proposed work at each site, a LIDAR map of the project area and photos of the inlet and outlet of all three sites. Based on the information provided, we are proposing that Site 1 Inlet is not jurisdictional & outlet id a tributary within the proposed project limits, Site 2 is a tributary on both inlet and outlet and Site 3 is not jurisdictional. Please let me know if you concur with this assessment. The second question involves the cleanout of the outfall at Site 1. Our proposal is to use the existing pipe invert plus the 20% burial and carry that elevation out 150 ft. with a 0.5% fall. If agree that this is a tributary can I do this as maintenance like we discuss on Old Folkstone Rd or do I need to apply for NW3. If you have any questions, feel free to give me a call. This is a priority for the Division because the road has severely flooded several times in the past few months. Thanks! MH Mason Herndon Environmental Program Supervisor Division 3 NCDOT- Division of Highways 910-341-2036 office 910-604-0050 mobile tmherndon@ncdot.gov 5501 Barbados Blvd 1 Castle Hayne, NC 28429 Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. Email correspondence to and from this sender is subject to the N.C. Public Records Law and may be disclosed to third parties. 2