20100251 Ver 2_More Info Letter_20120419

A gla
WDENR
North Carolina Department of Environment and Natural Resources
Beverly Eaves Perdue
Governor
Division of Water Quality
Charles Wakild P E
Director
April 19 2012
Mr Steve Ward
Harnett County Department of Public Utilities
Post Office Box 1119
Llllington NC 27546
Subject Property Brightwater Medical Complex
UT to Neills Creek [030607 18 16 (0 7) WSIV]
Dee Freeman
Secretary
DWQ Project # 10 0251v2
Harnett County
REQUEST FOR MORE INFORMATION MODIFIED STORMWATER MANAGEMENT PLAN
Dear Mr Ward
On February 3 2011 the Division of Water Quality (DWQ) Issued a 401 Water Quality
Certification to Impact 0 35 acre of 404 Wetlands and 219 linear feet of perennial stream in
order to construct the Brightwater Medical Complex In Harnett County Condition 6 of this
certification requires that this project adhere to 401 Stormwater Management
Requirements
On March 26 2012 the DWQ received a stormwater management plan (dated March 23
2012) for the addition of the Brightwater Health Sciences Building on the Brightwater
Medical Complex campus The DWQ has reviewed the stormwater management plan and
has found it to be incomplete
Please provide the following information so that we may continue to review your project
Additional Information Requested
Please provide the Required Items C.hecklisT portion or the Wet Detention Basin
Supplement Form as well as any items from the form that were omitted Including the
planting plan for the vegetated shelf a signed and notarized Operation and
Maintenance Agreement the soils test documenting the level of the seasonal high
water table a construction sequence explaining how the wet detention pond will
be protected from sediment during the construction process etc
1617 Mad Service Center Raleigh North Carolina 27699 1617
Location 512 N Salisbury St Raleigh North Carolina 27604
Phone 919$07 63001 FAX [phone] Customer Service 1877-623 6748
Internet www ncwaterauality oro One
An Equal Opportunity 1 Affirmative Action Employer NorthCarolina
;Valmrall#

Mr Steve Ward
April 19 2012
Page 2 of 2
2 The sum of the volumes of the two forebays should comprise approximately 20
percent of the overall volume In the currently proposed design the forebays
together comprise approximately 40 percent of the overall volume
3 The elevations provided in the Supplement Form do not match the elevations shown
on Sheet C401 Please correct this error and re calculate the average depth It
appears that the average depth may be less than the minimum requirement of 3 0
feet
Please submit this Information or otherwise address this request within 30 calendar days of
the date of this letter Please contact me at [phone] if you have any questions
regarding these comments or would like to set up a meeting
Sincerely
Annette Lucas PE
Wetlands Buffers and Stormwater Compliance
and Permitting (Webscape) Unit
AML /oml
cc >ithad Turlington DWQ Fayetteville Regional Office
USACE Wilmington Regulatory Field Office
DLR Fayetteville Regional Office
File Copy
Andrew Moriarty PE Timmons Group 5410 Trinity Road Suite 112 Raleigh NC 27607
Filename 10- 025lv2BnghtwaterMedCompiex(Harnett)_SW_Mod_Hoid docx