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HomeMy WebLinkAbout20120240 Ver 1_Emails_20120713FW R 2303A Application 12 0240 FW R -2303A Application 12 -0240 Herndon, Mason Sent Friday July 13 2012 10 29 AM To Carrillo Sonia Importance High Sonia good mornings 111 call you in a little while so we can discuss Thanksl MH Mason Herndon Environmental Senior Specialist NCDENR Division of Water Quality Surface Water Protection mason herndon @ncdenr gov Phone (910) 308 4021 E mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties From Herndon, Mason Sent Tuesday, April 10, 2012 11 04 AM To Manley, Chris Shaver, Brad E SAW, Rivenbark, Chris Cc Wrenn, Brian Subject R 2303A Application Importance High Page 1 of 2 Chris I have reviewed the application for R 2303A and have several Items that need to be addressed before I can consider this a complete application Several of these Items were brought to your attention In an a mall from Brad Shaver on March 16th but are still outstanding Please provide the Information requested below by April 17th If this Information is not provided by April 17th DWQ will Issue a hold letter on this application 1 Application was missing pages 8 & 10 1 retrieved these pages from the application posted online and noted that the application was revised on March 8 2012 Please confirm that the only revision to date was the removal of Sediment and erosion control measures shall adhere to the Design Standards in Sensitive Watersheds during construction of the project in the Avoidance and Minimization Section (11 1) of the Individual Permit Application 2 Provide cross sections for Site 2 Stations 80 +00 and 80 +50 to confirm that 3 1 slopes are being proposed to minimize wetland impacts 3 The permit drawing and plan sheets for Site 2 should included a note that the equalizer pipes will be installed at natural grade and not buried This was discussed in 4C 4 The proposed mitigation of 67 If of stream restoration at site #8 should be labeled mitigation on the permit drawings and included in the on site mitigation package dated February 17 2012 The mitigation site should be treated as the other mitigation sites in the aforementioned package Furthermore it is noted that NSD (natural steam design) would be implemented at this site Provide additional information on how DOT is going to implement NSD at this site This should include at a minimum a plan sheet showing the proposed design and a reforestation /planting plan Furthermore DOT should address how they are proposing to monitor this site 5 Clarify permit drawing 12 of 44 The drawing is labeled Site 10 but it appears to be the for the twin 54 s at Site 8 however Sheet 30 of 44 is labeled Site 8 and shows a profile view of the twin 54 s Furthermore the elevation and skew for these pipes are different on these two sheets which one is https //ma11 nc gov /owa/ ?ae= Item &t =IPM Note &id= RgAAAADMSzLcd9W2TJH14 %2bm 7/16/2012 FW R 2303A Application 12 0240 Page 2 of 2 correct? 6 The application Indicates that there will be twin 54 s Installed at Site 8 The 401 will be conditioned as follows If multiple pipes or barrels are required they shall be designed to mimic natural stream cross section as closely as possible Including pipes or barrels at flood plain elevation and /or sills where appropriate Widening the stream channel should be avoided Stream channel widening at the Inlet or outlet end of structures typically decreases water velocity causing sediment deposition that requires Increased maintenance and disrupts aquatic life passage Provide a detail or cross section on how DOT will comply with this condition This has been an issue on several projects that are under construction and has required field modifications 7 Permit drawing 17 of 44 the wetland boundary for Site 5 on the permit drawing appears to be cutoff and extends further east based on the wetland boundaries provided by ESI on April 2 2012 Please confirm that that the wetland boundary on Site 5 Is accurate and additional wetland Impacts will not occur 8 Permit drawing 36 of 44 (Cross Sections 321 +00 through 322 +00) appear to indicate that 4 1 and 5 1 slopes are proposed within Site 9 Please provide an explanation on why DOT is not proposing 3 1 slopes to minimize impacts 9 The application does not address how DOT is proposing to provide mitigation for the riparian wetland impacts that will occur The letter from EEP dated February 28 2012 only indicates that they will provide mitigation for 434 If of stream and 5 22 acres of non riparian wetlands How is DOT proposing to provide compensatory mitigation for the 2 46 acres of riparian wetland Impacts that are to occur on this project? I apologize for not getting these request to you sooner however I was hoping that DOT would have provided some this Information which was requested by the USACE In a e mall on March 16 2012 and I did not receive the final JD information that I requested on February 14 2012 until April 3 2012 If you have any questions about the additional Information that has been requested please do not hesitate to contact me Thanksl MH Mason Herndon Environmental Senior Specialist NCDENR Division of Water Quality Surface Water Protection mason herndon @ncdenr gov Phone (910) 308 4021 E mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties https //mail nc gov /owa/ ?ae= Item &t =IPM Note &id= RgAAAADMSzLcd9W2TJHI4 %2bm 7/16/2012