20091346 Ver 4_More Info Received_20130410

Strickland, Bev
From: Lucas, Annette
Sent: Wednesday, April 10, 2013 9:23 AM
To: Strickland, Bev
Subject: FW: HSTC - SWMF update
Attachments: Holly Springs Town Center - SWMF #2 Asbuilt Certification; 1757_001.pdf
Queen B,
Please ATF, project no. 09 -1346.
Thanks,
A
From: Derks, Bill [ mai Ito: Derks(d)johnrmcadams.com]
Sent: Tuesday, April 09, 2013 3:43 PM
To: Lucas, Annette
Cc: heather. keefer(a)hollysprinasnc.us; David C. George (daeoraeCa)kiterealty.com); 'Rodney Campbell'
Subject: HSTC - SWMF update
Annette —
Providing you a further update on the stormwater management facilities at Holly Springs Towne Center (aka; New Hill
Place).
Stormwater management facilities #1 and #3 have been as -built and certified to the Town of Holly Springs. The
skimmers currently remain in place as a precaution for some ongoing construction for outparcel sites and as all
landscaping and stabilization is completed. I anticipate that the skimmers will be removed soon.
Stormwater management facility #2 grading and as -built survey were completed per the schedule in my e -mail to you on
3/21. The as -built survey found that some grading revisions were required in order for the pond to function as
designed. Please see the attached e -mail.
The corrections / modifications to the facility will be completed by the end of the month. The sub - contractor that will
be planting the wetland plants in SWMF #2 will also be doing the final grading, topsoil placement, etc. At this time, we
anticipate completing the re- survey & certification as well as the installation of the wetland plantings in the first week in
May slightly behind the April 26 date proposed in my letter.
Please let me know if you have any concerns or questions about the progress or schedule going forward.
Thank you.
William H. Derks, PE
Director, Land Development
Office: 919 - 361 -5000 x159
Direct: 919- 287 -0777
Mobile: [phone]
Toll Free: 800 - 733 -5646
Add to Address book

THE JOHN R. McADAMS
COMPANY, INC,
E-NGINEERS - PJANNE'RS - SURVEYORS * FKVIRONNIENTAL
Research Triangle Park ® Charlotte
Design Services Focused On Client Success
Please consider the environment before you print this e-mail.

Strickland, Bev
From: Finch, Jeremy [[e-mail]]
Sent: Tuesday, April 09, 2013 10:23 AM
To: Daniel Colavito ([e-mail])
Cc: Derks, Bill; Matey, Jay
Subject: Holly Springs Town Center - SWMF #2 Asbuilt Certification
Attachments: EmbankmentFill.pdf; OutletStructureMod.pdf; Wetland Bottom. pdf
Daniel —
Per your request, below is a copy of the punchlist (items in red) and attached are the various modification
exhibits we sent to the contractor for SWMF 92 at HSTC. I left a voice message with Annette Lucas at DWQ
this morning to call me back (she is out of the office today but will be back in the office tomorrow) and I will
give her an update on the status of the conversion of SWMF 92. 1 will follow back up with you after I have
talked to Annette.
Attached are 3 exhibits showing the pond modifications that are necessary to SWMF 92 at HSTC in order to
resolve the various volume/surface area deficiencies. A quick summary of the exhibits is below:
2. Raise the top elevation of the 4" PVC siphon pipe inside the riser to 368.80, which will raise the normal
pool surface area of the facility. Please see the attached "Outlet Sti tictureMod.pdf ' redlined exhibit for
details.
3. Raise the invert elevation of the 1.75' x 0.4' weir to 369.60. Please see the attached
"Outlet Sti tictureMod.pdf 'redlined exhibit for details.
4. The contractor will need to bring the entire floor of the wetland to the new grades depicted in the
attached "WetlandBottom.pdf' exhibit with topsoil. Please make sure the contractor requests staking
from our Survey Department for the wetland floor so that the topsoil fill can be brought to the
appropriate design grade.
Note that these exhibits only contain the corrective items resulting from the hydraulic analysis of the facility. A
site visit to perform an inspection is forthcoming that will likely generate more punchlist items, but this should
hopeftilly cover the major items for now.
Jeremy Finch, PE
Project Manager
Office: 919-287-4262 x212
Mobile: [phone]
Add to address book
EOW& OW&
uuEi, yi, ulering
14 -A di% ��Ion ol"The John jt. '%ICAdJnIS, Col —`ids m), iru�
P.O. Box 14005, Research Triangle Park, NC 27709

Design Services Focused On Client Success
Please consider the environment before you print this e-mail.

�ince 1 I
THE JOHN R. McADAMS COMPANY, INC.
March 1, 2013
Ms. Annette M. Lucas, PE
Environmental Engineer
NCDENR — DWQ — Wetlands & Stormwater Branch
1650 Mail Service Center
Raleigh, NC 27699 -1650
Re: Holly Springs Towne Center (aka; New Hill Place)
Holly Springs, North Carolina
KRG-11000
Ms. Lucas:
In response to your e -mail on Thursday, February 28 I am providing the status
of the conversion of the three ponds at Holly Springs Towne Center and
committed dates for when the three ponds will be finalized.
The Phase 1 — Section 1 portion of the project which is nearly completed is
served by three stormwater management facilities. Due to weather constraints
and a fuel spill clean -up required because of a discharge from some
construction equipment the ponds have not been fully converted from
temporary erosion control facilities to final stormwater wetland ponds.
The status of the three facilities is as follows:
Stormwater Management Facility
-Pond has been fine graded, stabilized and certified to the Town.
- Wetland plantings have not been installed.
-A bond is posted with the Town to cover the plantings and any other
clean -up items that persist.
Research Triangle Park, NC
- Wetland plants will be installed, weather permitting, no later than April
Post Office Box 14005
26.
Research Triangle Park,
North Carolina 27709
Stormwater Management Facility #2.
2905 Meridian Parkway
Durham, North Carolina 27713
-This pond experience the fuel spill.
800- 733 -5646
—Fuel spill has been cleaned -up and final documentation has been
919 -361 -5000
submitted to the State. The developer and contractor are awaiting the
919 - 361 -2269 Fax
State's confirmation closing out the incident.
-The pond, weather permitting will be fine graded, as -built surveyed and
Charlotte, NC
certified to the Town no later than March 22.
6701 Carmel Road
- Wetland plants will be installed, weather permitting, no later than April
Suite 205
26.
Charlotte, North Carolina 28226
800 - 733 -5646
704- 527 -0800
704- 527 -2003 Fax
www.johnrmcadams.com
Design Services Focused On Client Success

Since 1979
THE JOHN R. McADAMS COMPANY, INC.
Ms. Annette M. Lucas
SWMF's 1 -3
March 1, 2013
Page 2 of 2
Stormwater Management Facility #3.
-Pond has been fine graded, stabilized and certified to the Town.
- Wetland plantings have not been installed.
-A bond is posted with the Town to cover the plantings and any other
clean -up items that persist.
- Wetland plants will be installed, weather permitting, no later than April
26.
Thank you for your assistance on this issue. Please give me a call if you have
any questions.
Sincerely,
THE /J JO9H /N R. McA/D/ AMS COMPANY, INC.
L✓ ./L./ tom` � G.
William H. Derks, PE
Director — Land Development
WHD
KRG -11000

Strickland, Bev
From: Finch, Jeremy [[e-mail]]
Sent: Tuesday, April 09, 2013 10:23 AM
To: Daniel Colavito ([e-mail])
Cc: Derks, Bill; Matey, Jay
Subject: Holly Springs Town Center - SWMF #2 Asbuilt Certification
Attachments: EmbankmentFill.pdf; OutletStructureMod.pdf; Wetland Bottom. pdf
Daniel —
Per your request, below is a copy of the punchlist (items in red) and attached are the various modification
exhibits we sent to the contractor for SWMF 92 at HSTC. I left a voice message with Annette Lucas at DWQ
this morning to call me back (she is out of the office today but will be back in the office tomorrow) and I will
give her an update on the status of the conversion of SWMF 92. 1 will follow back up with you after I have
talked to Annette.
Attached are 3 exhibits showing the pond modifications that are necessary to SWMF 92 at HSTC in order to
resolve the various volume/surface area deficiencies. A quick summary of the exhibits is below:
2. Raise the top elevation of the 4" PVC siphon pipe inside the riser to 368.80, which will raise the normal
pool surface area of the facility. Please see the attached "Outlet Sti tictureMod.pdf ' redlined exhibit for
details.
3. Raise the invert elevation of the 1.75' x 0.4' weir to 369.60. Please see the attached
"Outlet Sti tictureMod.pdf 'redlined exhibit for details.
4. The contractor will need to bring the entire floor of the wetland to the new grades depicted in the
attached "WetlandBottom.pdf' exhibit with topsoil. Please make sure the contractor requests staking
from our Survey Department for the wetland floor so that the topsoil fill can be brought to the
appropriate design grade.
Note that these exhibits only contain the corrective items resulting from the hydraulic analysis of the facility. A
site visit to perform an inspection is forthcoming that will likely generate more punchlist items, but this should
hopeftilly cover the major items for now.
Jeremy Finch, PE
Project Manager
Office: 919-287-4262 x212
Mobile: [phone]
Add to address book
EOW& OW&
uuEi, yi, ulering
14 -A di% ��Ion ol"The John jt. '%ICAdJnIS, Col —`ids m), iru�
P.O. Box 14005, Research Triangle Park, NC 27709

Design Services Focused On Client Success
Please consider the environment before you print this e-mail.

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NV: 356
L 24 R P
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SQUIB CONCRETE RI_FR:
14'x4' In
TOP :371.5
8" DIP — IN N:364.1'
4" PVC —IN N :367._'
TOP�F 'IPF:.36ft.O'
X:\ Projects \KRG \KRG - 11000 \Storm \As - Built \SWMF #2 \Current Drawing s \FRD - 12000 -Pond 2 ASB.dwg, 3/28/2013 4:42:49 PM, DWG To PDF.pc3

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