20080659 Ver 1_More Info Received_20080425

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To NCDENR/DWQ
401 Oversight/Express Review Permitting Unit
1650 Mail Service Center
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Raleigh, North Carolina 27699-1650
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DATE 24-Apr-08 JOB NO. 2719 ~'
ATTENTION Cyndi Karoly, SUpefVISOr
,.,
DWQ Project # 08-0659
Town of Morrisville -Indian Creek Greenway
Morrisville, North Carolina

Phone: [phone]
WE ARE SENDING YOU
^ Shop d2wings
^ Copy of letter

^~ Attached ^ Under separate cover via FedEX
^ Prints ^~ Plans ^ Samples
^ change order ~ Requested Additional Information
SITE
SOLUTIONS
2 3 2 0
W. Morehead Street
Charlotte, NC 28208
P 704.521.9880 F 704.521.8955
www. sitesolutionsoa.com
the following items:
^ Specifications
COPIES DATE ~ _ NO. DESCRIPTION
1 24-Apr-08 1 Letter of Response to DWQ's comments letter dated 04.15.08 -original
1 24-Apr-08 2 Project Location on published Wake County soils map -original
1 24-Apr-08 3 Enlarged Stream Crossing details and x-sections -originals
1 24-Apr-08 4 Revised PCN application sheets [pgs. 8 & 9] -original copies
1 27-Feb-08 5 Grading and Drainage Plans [Sht. No.'s L-4.5 and L-4.6] -original copies

I titJt HKt I rw~rv~Ml I I to as cnecKeo oelow:
^ For approval ^ Approved as submitted ^ Resubmit copies for approval
^ for your use ^ Approved as noted ^ Submit copies for distribution
^~ As requested ^ Returned for corrections ^ Return corrected prints
^ For review and comment ~_
REMARKS
Cyndi, enclosed is the additional information that you had requested for our PCN application.
We trust that the enclosed information will satisfy our requirements for permitting with the State.
Respectfully submitted.
COPY To: E. Lynch [TOM] SIGNED: Dave Rector, PE

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soiuno~s
LANDSCAPE
ARCHITECTURE
April 24, 2008
Cyndi Karoly, Supervisor
NCDENR/DWQ 401 Oversight/Express Review Permitting Unit
1650 Mail Service Center
Raleigh, NC 27699-1650
RE: Town of Morrisville -Indian Creek Greenway
Indian Creek [030405, 16-41-1-18-(1), WSIV, NSW]
Dear Cyndi:
This letter is written in response to your letter dated April 15, 2008 requesting
CIVIL ENGINEERING additional information in regards to the above referenced project. We have enclosed
the following items per your request:
ARCHITECTURE 1. Please locate your project boundaries on the most recent, published and bound
Wake County soil survey.
SS Response: Per our discussions with the State Chapter of the NRCS, it is
our understanding that Wake County has not yet completed or published
SITE PLANNING their current updated version of the soil survey. We were advised that the
published 1970 version of the County's soil survey is to be used.
Accordingly, we have transferred the project (stream x-ings) Locations from
our USGS Quad Map to the published soils survey. This map is enclosed with
this letter.
2. Please provide cross section details showing the provisions for aquatic life
passage.
SS Response: Per our discussions with Mr. Ian McMillan of your office, we
have °revised" the proposed invert elevations on the culvert crossings to
submerge approximately twenty (20%) percent of the pipe diameter(s)
beneath the existing streambed in order to provide aquatic life passage. A
typical section for each crossing has now been added to the construction
plans. The detail(s) are also enclosed with this letter.
3. Please indicate all stream impacts including all fill slopes, dissipators, and bank
stabilization on the site plan.
SS Response: The limits of stream impacts for each culvert crossing,
including lengths of culvert, dissipators and extent of re-grading have now
been added to the grading plan for the project. We also have enclosed
enlarged details of these areas for your information. After, reviewing the
enlarged details for the respective crossings, we actually have a total stream
impact of one hundred forty-four (144) lineal feet as opposed to the one
hundred forty (140) lineal feet that is listed on our current PCN application.
We have "revised" the appropriate pages and they are enclosed for your use
232o w. Mareneaa st. in amending our PCN application, if necessary.
Charlotte, NC 26208
Phone: [phone]
Fax: [phone]
sitesalutionspa.com

Cyndi Karoly, Supervisor
401 Oversight/Express Review Permitting Unit
April 24, 2008
Page 2
We trust that the above referenced information will satisfy the State's requirements
for approval of our 401 Water Quality Certification. Please do not hesitate to call me
if you should need any other information regarding our preconstruction notification
(PCN) application.
Sincerely,
SITE SOLUTIONS
David P. Rector, PE
Enclosures
CC: John Whitson, Town of Morrisville
Jeff Ashbaugh, Site Solutions

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CONCRETE PIPES (RCP). NO NEGATIVE IMPACTS TO THE STREAM ARE
ANTICIPATED AS A RESULT OF THE PROPOSED CULVERT INSTALLATIONS.
2. Individually list wetland impacts. Types of impacts include, but are not limited to
mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams,
separately list impacts due to both structure and flooding.
Wetland Impact
Site Number
(indicate on map)
Type of Impact Type of Wetland
(e.g., forested, marsh,
herbaceous, bog, etc.) Located within
100-year
Floodplain
( es/no) Distance to
Nearest
Stream
(linear feet) Area of
Impact
(acres)

Total Wetland Impact (acres)
3. List the total acreage (estimated) of all existing wetlands on the property: N/A.
4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary
impacts. Stream impacts include, but are not limited to placement of fill or culverts, dam
construction, flooding, relocation, stabilization activities (e.g., cement walls, rip-rap, crib
walls, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed,
plans and profiles showing the linear footprint for both the original and relocated streams
must be included. To calculate acreage, multiply length X width, then divide by 43,560.
Stream Impact
Number
(indicate on ma)
Stream Name
Type of Impact Perennial or
Intermittent? Average
Stream Width
Before Im act Impact
Length
(linear feet) Area of
Impact
(acres)
1 INDIAN CREEK CULVERT PERENNIAL 25 64 .0367
2 INDIAN CREEK CULVERT PERENNIAL 35 80 .0643

Total Stream Impact (by length and acreage) 144 .1010
5. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.). Open water impacts include, but are not limited to
fill, excavation, dredging, flooding, drainage, bulkheads, etc.
Open Water Impact
Name of Waterbody Type of Waterbody Area of
Site Number (if applicable) Type of Impact (lake, pond, estuary, sound, bay, Impact
(indicate on ma) ocean, etc.) (acres)

Page 8 of 13

Total Open Water Impact (acres)
6. List the cumulative impact to all Waters of the U.S. resulting from the project:
Stream Impact (acres): 0.1010
Wetland Impact (acres): 0.00
Open Water Impact (acres): 0.00
Total Impact to Waters of the U.S. (acres) 0.00
Total Stream Impact (linear feet): 144
7. Isolated Waters
Do any isolated waters exist on the property? ^ Yes ~ No
Describe all impacts to isolated waters, and include the type of water (wetland or stream) and
the size of the proposed impact (acres or linear feet). Please note that this section only
applies to waters that have specifically been determined to be isolated by the USACE.
NOT APPLICABLE FOR THIS PROJECT.
8. Pond Creation -NOT APPLICABLE
If construction of a pond is proposed, associated wetland and stream impacts should be
included above in the wetland and stream impact sections. Also, the proposed pond should
be described here and illustrated on any maps included with this application.
Pond to be created in (check all that apply): ^ uplands ^ stream ^ wetlands
Describe the method of construction (e.g., dam/embankment, excavation, installation of
draw-down valve or spillway, etc.):
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.):
Current land use in the vicinity of the pond:
Size of watershed draining to pond: Expected pond surface area:
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts: PROPOSED CULVERT
CROSSING IMPROVEMENT(Sl ARE NECESSARY TO PROVIDE IMPROVED
MAINTENANCE (EX. SANITARY SEWER) AND PEDESTRIAN ACCESS ALONG
INDIAN CREEK. DURING CONSTRUCTION SILT FENCING AND MATTING WILL BE
USED TO ISOLATE THE IMPACTED AREA AND PROVIDE TURBIDITY AND
SEDIMENTATION PROTECTION TO DOWNSTEAM AREAS.
Page 9 of 13

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p ~7 [ W. Morehead Street Indian Creek G ree nway
7 Charlotte, NC 282()8 Drawn By: S. Hirsch
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~ Date: 483/08
a~ ~ Site Planning
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Stream Crossing # I Culvert Section Refers to Sheet L-4.6
S I T E 2 3 2 0
W. Morehead Street ~
Indian Creek Greenway Project No: 2119
7 Charlotte, NC 28208 Drawn By: S. Hirsch
landscape Architecture Town of Morrisville
Date:
4/13/08
Site Planning
Civil Engineering
www.skesolutionspa.com
Bulletin Drawing
Scale: n
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SOLUT ION S Telephone-704-521-9880
Facsimile- 704 -521- 8955 Morrisville North Carolina
~ Sheet Number: BD-4

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p 1. W. Morehead Street Indian Creek G ree nway
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~ landscape Architetture Town of M o rri svi I I e Date: 483/08
Site Planning
~ Civil Engineering
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~ www.sitesolutionspa.com Bulletin Drawing
c I'IT Telephone-704-521-9880 BD_ I
S~LUT~UNS Facsimile-704-521-8955 Morrisville, North Carolina Sheet Number.

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Station
No. Structure
No. Structure
Type GretelRlm
Type GretelRlm
Elevation
[Ft] Pipe
InveRln
[Ft] Pipe
Invert Out
[Ft] Pipe
Material Plpe
Dia.
[Ins) Plpe
Length
[Ft] Plpe
Slope
[FtIFt]

Deacdptlon

Storm Drelnage System
- - - - - - EX DI 1 CB 840.16 296.65 293.20 293.15 RCP 24 56 0.0071 Upstream end of system

- - - - - - MH 2 MH 840.54 296.40 292.75 290.76 RCP 24 146 0.0050 Connects b CB 3

- - - CB 3 CB 840.02 293.50 290.03 290.03 RCP 24 26 0.0050 Connects b FES 4

------ FES4 FES ------ ------ 289.90 ------ RCP 24 ------ ------ Proposed out fall of system.

Culvert
------ FES6 FES ------ ------ ------ 293.00 RCP 12 26 0.0192 Upatreamendofculvert

------ FES7 FES ------ ------ 292.50 ------ RCP 12 ------ ------ Downstream end ofculveR

CuhreR
------ FES 10 FES ------ ------ ------ 294.26 RCP 12 26 0.0100 Upstream end of culvert

------ FES 11 FES ------ ------ 294.00 ------ RCP 12 ------ ------ Downstream end of culvert

c~Nert
------ FES 12 FES ------ ------ ------ 312.50 RCP 24 38 0.0132 UpatreamendofcuNert

------ FES 13 FES ------ ------ 312.00 ------ RCP 24 ------ ------ Downstream end ofcuheR

Cuhrert
------ FES 14 FES ------ ------ ------ 318.80 RCP 18 28 0.0107 Upstream end of culvert

------ FES 15 FES ------ ------ 318.50 ------ RCP 18 ------ ------ DownatreamendofcuhreR

Culvert
------ FES 17 FES ------ ------ ------ 325.00 RCP 12 26 0.0380 ExtenalonofCuhreR

culvert
------ FES 19 FES ------ ------ ------ 325.40 RCP 12 20 0.0050 ExtenslonofCuNeR

Culvert
------ FES 20 FES ------ ------ ------ 321.70 RCP 3-48 48 0.0104 UpatreamendofcuNeR

------ FES 21 FES ------ ------ 321.20 ------ RCP 3-48 ------ ------ Downstream end of cuNeR

Culvert
------ FES 22 FES ------ ------ ------ 330.40 RCP 2-36 48 0.0104 Upstream end ofcuhreR

------ FES22A FES ------ ------ 329.90 ------ RCP 2-36 ------ Downstream end of cuNeR

c~Nert
------ FES 23 FES ------ ------ ------ 332.00 RCP 36 37 0.0108 Upstream end ofcuNert

------ FES 24 FES ------ ------ 331.60 ------ RCP 36 ------ ------ Downstream end of cuNeR

CuheR
------ FES 25 FES ------ ------ ------ 336.86 RCP 15 10 0.0100 Extenslonofcuhert

Culvert
------ FES26A FES ------ ------ ------ 333.50 RCP 15 30 0.0100 UpatreamendofcuNert

------ FES27A FES ------ ------ 333.20 ------ RCP 15 ------ ------ Downstream end ofcuhreR

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[ 2 3 2 0
W. Morehead Street ~
Indian Creek G ree nway Project No: 2119
r Charlotte, NC 28208 Drawn By: S. Hirsch
~ Landsmpe Pvchitetture Town of Morrisville
Date:
4/13/08
N Site Planning
C7 Civil Engineering
Scale:
I"=30'
/I www.saesolutionspa.com Bulletin Drawing

~
S
'v OL UTI O NS Telephone-704-521-9880
Facsimile- 704 -521- 8955 Morrisville North Carolina
~
Sheet Number. BD-3