20042059 Ver 2_More Info Received_20091207

R 2301 Rexwoods Drive 919.881.9939
Dewberry Suite 200 919.881.9923 fax O _ w 1
Raleigh, NC 27607 www.dewberry.com
December 7, 2009
Ms. Cyndi Karoly
401 Oversight/Express Permitting Unit Supervisor
NC Division of Water Quality
401/Wetlands Unit
1650 Mail Service Center
Raleigh, North Carolina 27699-1650
Reference: City of Raleigh
Dunn Road Sanitary Sewer Extension
Ut to Neuse River [030402,27-(20.7), WSIV, NSW]
Dewberry Project No. 50020200
DWQ Project No. 04-2059, Ver. 2
Dear Ms. Karoly:
LEG
DEC - 7 2009
DENR • WATER QMTY
WETLANDS AND sTORMWATER MANcti
Enclosed are five copies of revisions to the original Pre-Construction Notification (PCN) Permit Application
Package for the City of Raleigh Dunn Road Sanitary Sewer Extension project. For your review we have enclosed
the following:
• Five copies of the revised PCN Application Form (Page 6 and 8)
• Five copies of sheet 9 of the construction drawings
Please call with any questions regarding this project.
Sincerely,
D erry & Davis, Inc
J n Story, E.I., LEED AP
vil Designer
Enclosures
P:\50020200\Deliverables\Submittals\2009.12.07 -Revision to DWQ\2009.12.07 - Revision to PCN Cover Letter.doc
Dewberry & Davis, Inc.
oll? - aoSot y a
4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
the U.S. then individual) list all open water impacts below.
4a. 4b. 4c. 4d. 4e.
Open water
impact number - Name of waterbody
(if applicable)
Type of impact
Waterbody type
Area of impact (acres)
Permanent (P) or 0
Temporary T
01 ?P?T
02 ? P ? T vE
03 ?P?T IVAlft 09
04 ? P ? T SAkDS ER qt l
4f. Total open water impacts
4g. Comments:

5. Pond or Lake Construction
If pond or lake construction proposed, then complete the chart below.
5a. 5b. 5c. 5d. 5e.
Wetland Impacts (acres) Stream Impacts (feet) Upland
Pond ID Proposed use or purpose (acres)
number of pond
Flooded
Filled
Excavated
Flooded
Filled
Excavated
Flooded
P1
P2
5f. Total
5g. Comments:
5h. Is a dam high hazard permit required?
? Yes ? No If yes, permit ID no:
5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
6. Buffer Impacts (for DWQ)
If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts
below. If an impacts require mitigation, then you MUST fill out Section D of this form.
6a.
® Neuse ?Tar-Pamlico ? Other:
Project is in which protected basin? ? Catawba ? Randleman
6b. 6c. 6d. 6e. 6f. 6g.
Buffer impact
number - Reason for Buffer Zone 1 impact Zone 2 impact
Permanent (P) or impact Stream name mitigation (square feet) (square feet)
Temporary (T required?
61 ®P ? T Sanitary Sewer
line Installation Unnamed Tributary ? Yes
® No 79,862 60A1
B2 ® P ? T Sanitary Sewer
line Installation Unnamed Tributary [A Nos 11,661 35,948
6h. Total buffer impacts 91,523 96,849
6i. Comments:
'S 1Z/07'09 - JKcrcaSc in Zcr e Z distvrWIACC
0
Page 6 of 11
6. Buffer Mitigation (State Regulated Riparian Buffer Rules) - required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires ® Yes ? No
::I
buffer mitigation?
6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the
amount of mitigation required.
6c.
Reason for impact 6d.
Total impact
Multiplier 6e.
Required mitigation
Zone 11i (square feet) (square feet)
Zone 1 Sanitary Sewer line 11,661 3 (2 for Catawba) 34,983
Installation m
Zone 2 Sanitary Sewer line 35,948 1.5 0
Installation
6f. Total buffer mitigation required: 34,983
6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank,
permittee responsible riparian buffer restoration, payment into an approved in-lieu fee fund). The City will purchase
riparian buffer mitigation credits from Forest Creek Mitigation Bank. Forest Creek Mitigation Bank states that they have
000SF of buffer credits available and will provide a receipt and letter once the square footage of required
v
r 200
,
o
e
mitigation is confirmed by DWQ.
6h. Comments:
?2.lollocl - Increase ih gene 2- Vis-tvrbanc.e
Page 8 of 11
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1. ALL CONSTRUCTION SHALL BE IN STRICT ACCORDANCE WITH WITH ~ ~ °°°a.~~, C ~ RD
CITY OF RALEIGH AND OR NCDOT STANDARDS AND SPECIFICATIONS FICATIONS '~<a~~~~~ ~~~:~,~1~., s, q.• of oy°~?~ ' r6'r~ o ~i ~ ~ s9 r
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5. TOTAL DISTURBED AREA FOR THE PROJECT IS APPROXIMATELY 9.7 0' 20' 40' 80' 0' 2' 4' 8' (IMATELY 9.7 ACRES - -r --.m~,
._~-1 ~ KEY PLAN
1 INCH = 40 FT. 1 INCH = 4 FC
lYO6-UTILITY INST TIONS AND OTHER P BLIC FACILITIES, 3®
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47+00 48+00 49+00 50+00 51+00 52+00 53+00 54+ 54+00 65+00 56+00 57+00 SHEET NO. 9 of 18