20052134 Ver 2_Staff Comments_20120514

Lucas, Annette
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Annette M Lucas PE
Lucas Annette
Monday May 14 2012 1121 AM
Witherspoon Lauren
05 21342 Gates of Ethan s Glen SD
05 21342 Gates of Ethan s Glen SD docx
Environmental Engineer
NCDENR I DWQ I Wetlands and StormNAater Branch
1650 Mail Service Center Raleigh NC 27699 1650 (Arlan)
512 N Sallsbun St Raleigh NC 27604 1 911 Floor (to( iiron (Ix Par(( k,)
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05 21342 Gates of Ethan s Glen SD
AML comments
May 14 2012
1 Please provide correct topographic contours between the base of the level spreader lips
(for all three proposed level spreaders) and the top of bank for the receiving stream
2 As discussed between John Harris and Annette Lucas on May 14 2012 the level
spreader design will be further updated to the engineered filter strip design which will
greatly reduce the length of the level lip that is needed Please insure that the level
spreader design complies with Chapter 8 of the North Carolina Stormwater BMP Manual
available at http / /portal ncdenr org /web /wq /ws /su/bmp manual Please submit an
updated LS VFS Supplement Form for each of the level spreaders with all required items
that required updating