The URL can be used to link to this page

Home My WebLink About20061042 Ver 3_Staff Comments_20111228Lucas, Annette From Sent To Cc Sub�ect Attachments LC Hold bullet attached Thanks AML Lucas Annette Wednesday December 28 2011 12 34 PM Witherspoon Lauren Lucas Annette � 06 1042v3 Ashton Hall SD 06 1042v3 Ashton Hall SD docx Annette M Lucas PE Envu�onmental Engineer NCDENR � DWQ � Wetlands and Stormwater Branch 1650 Mail Service Center Raleigh NC 27699 1650 (Mail) 512 1V Salisbury St Raleigh NC 27604 � 9�h Floor (I.ocahon & Parcels) Phone (919) 807 6381 � Fax (919) 807 6494 � Email Annette Lucas�ncdenr � Website http //portal ncdenr org/web/wq/swp/ws/401 `# Before printmg this email please consider your budget and the environment E mail correspondence to and from this address may be sub�ect to the North Carolina Public Records Law and may be disclosed to third parties 06 1042v3 Ashton Hall SD AML comments December 28 2011 For LS VFS #7 the Supplement Form states that the peak flow during the design storm is 40 55 cfs while the peak flow from the 10 year storm is 29 45 cfs There appears to be an error Please provide the correct value for the peak flow from the design storm so that the DWQ can review your proposed level spreader design 2 For BMP #8 please provide an explanation as to why a diffuse flow device has not been provided at the outlet 3 For LS VFS #10 the Supplement Form states that the peak flow durmg the design storm is 58 15 cfs while the peak flow from the 10 year storm is 2515 cfs There appears to be an error Please provide the correct value for the peak flow from the design storm so that the DWQ can review your proposed level spreader design 4 For LS VFS #11 the Supplement Form states that the peak flow durmg the design storm is 64 58 cfs while the peak flow from the 10 year storm is 42 27 cfs There appears to be an error Please provide the correct value for the peak flow from the design storm so that the DWQ can review your proposed level spreader design