20010181 Ver 1_COMPLETE FILE_20010206

O1O? W AT FRIG
Michael F. Easley
Governor
Sherri Evans-Stanton, Acting Secretary
Department of Environment and Natural Resources
p -1 Kerr T. Stevens
Division of Water Quality
February 19, 2001
Guildford County
DWQ Project # 010181
APPROVAL of 401 Water Quality Certification and ADDITIONAL CONDITIONS
Dr. Scott Minor
Bentsen- Minor Holdings, LLC
2109-B New Garden Rd
Greensboro, NC 27410
Dear Mr. Minor:
You have our approval, in accordance with the attached conditions and those listed below, to remove fill material from 95
linear feet of streams for the purpose of removing existing stream channels and installing a new crossing at Brassfield
Professional Center as described in your application dated February 6, 2001. After reviewing your application, we have decided
that this fill is covered by General Water Quality Certification Number 3257. This certification allows you to use Nationwide
Permit Number 27 when the Corps of Engineers issues it. In addition, you should get any other federal, state or local permits
before you go ahead with your project including (but not limited to) Sediment and Erosion Control, Coastal Stormwater, Non-
Discharge and Water Supply Water shed regulations. This approval will expire when the accompanying 404 or CAMA
permit expires unless otherwise specified in the General Certification.
This approval is only valid for the purpose and design that you described in your application except as modified below. If
you change your project, you must notify us and you may be required to send us a new application. If the property is sold, the
new owner must be given a copy of this Certification and approval letter and is thereby responsible for complying with all
conditions. If total wetland fills for this project (now or in the future) exceed one acre, compensatory mitigation may be required
as described in 15A NCAC 2H .0506 (h) (6) and (7). For this approval to be valid, you must follow the conditions listed in the
attached certification and any additional conditions listed below.
1. This project shall not be considered by DWQ as stream restoration for compensatory mitigation purposes.
2. An open bottomed culvert is required for the new stream crossing.
If you do not accept any of the conditions of this certification, you may ask for an adjudicatory hearing. You must act
within 60 days of the date that you receive this letter. To ask for a hearing, send a written petition, which conforms to Chapter
150B of the North Carolina General Statutes to the Office of Administrative Hearings, P.O. Box 27447, Raleigh, N.C. 27611-
7447. This certification and its conditions are final and binding unless you ask for a hearing.
This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you have
any questions, please telephone John Dorney at 919-733-9646.
r T. Stevens
Attachment
._cc:. Corps of Engineers Raleigh_Field Office
Winston-Salem DWQ Regional Office
File copy
Central Files
Todd St. John
t
RIM
Division of Water Quality
Wetlands/401 Unit: [phone]
Fax- [phone]
1621 Mail Service Center Raleigh, NC 27699-1621
C itj ?L
°1®181
0
W
-62001
0
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DWQ ID: CORPS ACTION. ID:
NATIONWIDE PERMIT REQUESTED (PROVIDE NATIONWIDE PERMIT #)
PRE-CONSTRUCTION NOTIFICATION APPLICATION
FOR NATIONWIDE PERMITS THAT REQUIRE:
1. NOTIFICATION TO THE CORPS OF ENGINEERS,
2. APPLICATION FOR SECTION 401 CERTIFICATION
3. COORDINATION WITH THE NC DIVISION OF COASTAL MANAGEMENT
SEND THE ORIGINAL AND (1) COPY OF THIS COMPLETED FORM TO THE APPROPRIATE FIELD
OFFICE OF THE CORPS OF ENGINEERS (SEE AGENCY ADDRESSES SHEET). SEVEN 7)
COPIES MUST BE SENT TO THE NC DIVISION OF WATER QUALITY,
ATTN• JOHN DORNEY, 4401 REEDY CREEK ROAD, RALEIGH, NC
27607. PLEASE PRINT OR TYPE.
1. OWNER'S NAME: Bentsen-Minor Holdines, LLC
-T7
2. MAILING ADDRESS: 2109-B New Garden Road, Greensboro, NC 27410
SUBDIVISION NAME: Brassfield Professional Centre rn
i
CITY: Greensboro STATE: NC ZIP CODE: 27410
PROJECT LOCATION ADDRESS, INCLUDING SUBDIVISION NAME (IF DIFFERENT FROM
MAILING ADDRESS ABOVE): 2100 New Garden Road, Greensboro, NC
3. TELEPHONE NUMBER: (HOME) (WORK) 336-282-0261
4. IF APPLICABLE: AGENT'S NAME OR RESPONSIBLE CORPORATE OFFICIAL, ADDRESS,
PHONE NUMBER: Dr. Scott Minor, 2109-B New Garden Road, Greensboro, NC 27410 336-282-0261
5. LOCATION OF WORK (PROVIDE A MAP, PREFERABLY A COPY OF USGS TOPOGRAPHIC MAP
OR AERIAL PHOTOGRAPHY WITH SCALE):
-COUNTY' Guilford- NEAREST TOWN:- "Greensboro "
SPECIFIC LOCATION (INCLUDE ROAD NUMBERS, LANDMARKS, ECT.) Located on NCSR 2179
across from Brassfield Shopping Center and NCSR 2210
6. IMPACTED OR NEAREST STREAM/RIVER: Un-named tributary of Horse Pen Creek RIVER BASIN:
Cape Fear
7. (a) IS PROJECT LOCATED NEAR WATER CLASSIFIED AS TROUT, TIDAL SALTWATER, (SA),
HIGH QUALITY WATERS (HQW), OUTSTANDING RESOURCE WATERS (ORW), WATER
SUPPLY (WS-I OR WS-II)? YES NO X IF YES, EXPLAIN: N/A
(b) IS THE PROJECT LOCATED WITHIN A NORTH CAROLINA DIVISION OF COASTAL
MANAGEMENT AREA OF ENVIRONMENTAL CONCERN (AEC)? YES NO X
(c) IF THE PROJECT IS LOCATED WITHIN A COASTAL COUNTY (SEE PAGE 7 FOR LIST OF
COASTAL COUNTIES), WHAT IS THE LAND USE PLAN (LUP) DESIGNATION? N/A
8. (a) HAVE ANY SECTION 404 PERMITS BEEN PREVIOUSLY REQUESTED FOR USE ON THIS
PROJECT? YES NO X IF YES, PROVIDE ACTION I.D. NUMBER OF PREVIOUS PERMIT AND
ANY ADDITIONAL INFORMATION (INCLUDE PHOTOCOPY OF 401 CERTIFICATION): N/A
(b) ARE ADDITIONAL PERMIT REQUESTS EXPECTED FOR THIS PROPERTY IN THE FUTURE?
YES NO X IF YES, DESCRIBE ANTICIPATED WORK: N/A
9. (a) ESTIMATED TOTAL NUMBERS OF ACRES IN TRACT OF LAND: 8.94 Acres
(b) ESTIMATED TOTAL NUMBER OF ACRES OF WETLANDS LOCATED ON PROJECT SITE:
0.0106 Acres
10. (a) NUMBER OF ACRES OF WETLANDS IMPACTED BY THE PROPOSED PROJECT BY:
FILLING: 0 EXCAVATION: 0
FLOODING: 0 OTHER : 0
DRAINAGE : 0 TOTAL ACRES TO BE IMPACTED: 0
(b) (1) STREAM CHANNEL TO BE IMPACTED BY THE PROPOSED PROJECT (IF RELOCATED,
PROVIDE DISTANCE BOTH BEFORE AND AFTER RELOCATION:
LENGTH BEFORE: 95 FT AFTER: _ FT
WIDTH BEFORE (based on normal high water contours): _ FT
AVERAGE DEPTH BEFORE: _ FT AFTER: FT
(b) (2) STREAM CHANNEL IMPACTS WILL RESULT FROM: (CHECK ALL THAT APPLY)
OPEN CHANNEL RELOCATION: _ PLACEMENT OF PIPE IN CHANNEL:-
CHANNEL EXCAVATION: _ CONSTRUCTION OF A DAM/FLOODING:-
OTHER: X
11. IF CONSTRUCTION OF A POND IS PROPOSED, WHAT IS THE SIZE OF THE WATERSHED
DRAINING TO THE POND? Pond 1 = 2.65 AC. Pond 2 = 2.06 AC WHAT IS THE EXPECTED
POND SURFACE AREA? Pond 1 = 3,208 SF Pond 2 = 4,203 SF
12:. DESCRIPTION OF PROPOSED WORK INCLUDING DISCUSSION OF TYPE OF MECHANICAL
EQUIPMENT TO BE USED? {ATTACH PLANS; 81/2 BY I 1 DRAWINGS ONLY) Removal.-of-two ----
existing piped stream crossings and renaturalization of the areas affected.by the removal of the
trackhoe will most likely be used to remove the pipes from the ground.
13. PURPOSE OF PROPOSED WORK: The existing stream crossings are driveway crossings for houses that
are going to be removed as a result of this proiect A new stream crossing will be installed but it is a
proposed arch crossing that will not impact the stream.
14. STATE REASONS WHY ITIS BELIEVED THAT THIS ACTIVITY MUST BE CARRIED OUT N
WETLANDS (INCLUDE ANY MEASURES TAKEN TO MINIMIZE WETLAND IMPACTS) There
will be no portion of this work performed in a wetlands area.
15. YOU ARE REQUIRED TO CONTACT THE US FISH AND WILDLIFE SERVICE AND/OR
NATIONAL MARINE FISHERIES SERVICE REGARDING THE PRESENCE OF ANY FEDERALLY
LISTED OR PROPOSED FOR LISTING ENDANGERED OR THREATENED SPECIES OR CRITICAL
HABITAT IN THE PERMIT AREA THAT MAY BE AFFECTED BY THE PROPOSED PROJECT.
DATE CONTACTED: 1/24/01
16. YOU ARE REQUIRED TO CONTACT THE STATE HISTORIC PRESERVATION OFFICER
(SHPO) REGARDING THE PRESENCE OF HISTORIC PROPERTIES IN THE PERMIT AREA .
WHICH MAY BE AFFECTED BY THE PROPOSED PROJECT. DATE CONTACTED 1/24/01 .
17. DOES THE PROJECT INVOLVE AN EXPENDITURE OF PUBLIC FUNDS OT THE USE OF PUBLIC
(STATE) LAND? YES NO X (IF NO, GO TO 18)
(a) IF YES, DOES THE PROJECT REQUIRE PREPARATION OF AN ENVIRONMENTAL
DOCUMENT PURSUANT TO THE REQUIREMENTS OF THE NORTH CAROLINA
ENVIRONMENTAL POLICY ACT? YES NO
(b) IF YES, HAS THE DOCUMENT BEEN REVIEWED THROUGH THE NORTH CAROLINA
DEPARTMENT OF ADMINISTRATION STATE CLEARINGHOUSE YES NO
IF ANSWER 17b IS YES, THEN SUBMIT APPROPRIATE DOCUMENTATION FROM THE STATE
CLEARINGHOUSE WITH THE NORTH CAROLINA ENVIRONMENTAL POLICY ACT.
QUESTIONS REGARDING THE STATE CLEARINGHOUSE REVIEW PROCESS SHOULD BE
DIRECTED TO MS. CHRYS BAGGETT, DIRECTOR STATE CLEARINGHOUSE, NORTH.
CAROLINA DEPARTMENT OF ADMINISTRATION, 116 WEST JONES STREET, RALEIGH,
NORTH CAROLINA 27603-8003, TELEPHONE [phone].
18. THE FOLLOWING ITEMS SHOULD BE INCLUDED WITH THIS APPLICATION IF PROPOSED
ACTIVITY INVOLVES THE DISCHARGE OF EXCAVATED OF FILL MATERIAL INTO
WETLANDS:
(a) WETLAND DELINEATION-MAP-SHOWING ALL WETLANDS, STREAMS, LAKES, AND
PONDS ON THE PROPERTY (FOR NATIONWIDE PERMIT NUMBERS 14,18, 21, 26, 29, AND 38).
ALL STREAM (INTERMITTENT AND PERMANENT) ON THE PROPERTY MUST BE SHOWN ON
THE MAP. MAP SCALES SHOULD BE 1 INCH EQUALS 50 FEET OF I INCH EQUALS 100 FEET
OF THEIR EQUIVALENT.
(b) IF AVAILABLE, REPRESENTATIVE PHOTOGRAPH OF WETLANDS TO BE IMPACTED BY
PRODUCT.
(c) IF DELINEATION WAS PERFORMED BY A CONSULTANT, INCLUDE ALL DATA SHEETS
RELEVANT TO THE PLACEMENT OF THE DELINEATION LINE.
(d) ATTACH A COPY OF THE STORMWATER MANAGEMENT PLAN IF REQUIRED.
(e) WHAT IS LAND USE OF SURROUNDING PROPERTY? Primarily residential along the back of the
property with some commercial alone New Garden Road.
(f) IF APPLICABLE, WHAT IS PROPOSED METHOD OF SEWAGE DISPOSAL? Public Gravity Sewer
SIGNED AND DATED AGENT AUTHORIZATION LETTER, IF APPLICABLE.
NOTE: WETLANDS OR WATERS OF THE US MAY NOT BE IMPACTED PRIOR TO:
1. ISSUANCE OF A SECTION 404 CORPS OF ENGINEERS PERMIT,
2. EITHER THE ISSUANCE OR WAIVER OF A 401 DIVISION OF WATER QUALITY
CERTIFICATION, AND
3. (IN THE TWENTY. COASTAL COUNTIES ONLY), A LETTER FROM THE NORTH_
CAROLINA DIVISION OF COASTAL MANAGEMENT STATING THE PROPOSED
A-CINVITY.IrCONSISTENT WITH THE NORTH CAROLINA COASTAL MANAGEMENT
p DS
OWNER'S/AOEV SIGNATURE DATE
(AGENT'S SIGNATURE VALID ONLY
IF AUTHORIZATION LETTER FROM
THE OWNER IS PROVIDED).
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DEC 21 1 00 1625 FR CONTECH RALEIGH
Section F - Geometric Elements
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24-0 -- 12-5 7,36.0 62.54 3.78
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C IA 20 'J.0 4.0 25-0 12.6 26&4: ' 64.36 3.69
- . 25-0 12.2 236.9. 67.56 9.7Z
? PORTIO NAL VALUES OF-FULL FLOW CONDU IT _. 25.0 11-9 226.9 62.76 3.61
M 0 11-4 216.6 61.97 1.60
25. 0 10-11 106.6 61.17 3.36 ,
;i- - SPAN, - - RISE . .:AO M Re -
SPAN - , R1bE
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9 0 3- 2 14.0 1&" 86 AN 0 7-7 SU 41.04 20-5 26.0 13. 1 266.9 66.95 3.99
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919 881 9148 TU 133621UUU10

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• DEC 21 1 00 16:24 FR CONTECH RPL.E I GH 919 861 9146 TO 1336216BO10
Section A -- Entrance Loss Coefficients
i
y ENTRANCE LOSS COEFFICIENTS
FULL OR PARTLY FULL
Entrance head loss, He. ke, 2g
8, Diam. of equiv.
round pipe
r.e??ee
OD-OSp
a 1.0. X0,0 '
1,g SECTION THRU (soil side)
INLET EDGE
_ low
?RIC Collar or end wall
Limiting Value Entrance Condition ke
a b Description Type
;o. -042B ;it a 1 0.2(2)
> 0.0425
09B
;0:0 Proecting or mitered
to ili'slope or headwall 2 0.4
0.0428 . .3 , 0:5
0.0428 < 0.098 Mitered to fill slope
See Note 1. 4 0.7
< 010426-` 1 -<-0.09B Project#ng 5 0.9--
1. If using end sections commonly,'
available from manufacturers,
ke may be reduced to 0.5. Some
end sections incorporating a closed
taper conforming to details defined
in HEC No. 13 will permit a ke = 0.2-
2. Min. length of bevel Is 85% of wetted
perimeter. If 56% to 8$9'6, use ke .? 026.
4

DEC 21 '00 16:24 FR CONTECH RALEIGH 919 881 9148 TO 13362188010 P.04i06
Section D -inlet Control
ALUMINUM ARCHES
0.4 < Rise/Span < 0.5
360
340
320
300,
• 280
260
240
220
200
180
i 160
IZ4 140

120
N
0
100.
.?. 90
eo
80

c 70
rv
m
a 60

a 50
?. 40
30
20
10,000
9000
8000
7000
_ 6000 _
5000
4000
3000
Entrance Type
-.lee page 4
2) (4) (5)
4.0 S.o 5.0
4.0 4.0
3.0
3.0 -+-3.0
2.0-
1.8 2.o
2.0
1.6 --18
1.s
1.s
2000 1.4 1.6
1A 1'`
1500 Q1? r. 1.2
1:2 1.2
3
_ 1000 66c,
_ 091 1'0 1.0
800 9 1,0
700 Cr. .9
v 600 ? B
500 Example: . t .8
.. 400 A = 277.5 112
m .8
ta- 6000 tai p
300 7
Entrance HW HW '7 .7
z Type D (ftf 3
in 200 (2) 2.03- 26.74 0... -6
(4) 2.40 31.84 m
1.50 (5)' 2.33 30.89. •6 .8
'D In feet
g 100 .5
r- 90
cQQp `y 80 5 5
CP-t 70
S g 60
C;f (3' SO .4
40
u+ .4
w .4
30
SPAN
20
3
10
r
10
Duolleatlon of this nomograph may distort seals
15
DEC 21 '00 16:24 FR CONTECH RALEIGH 919 661 9146 TO 13362168010 P.05/06
Section E - Outlet Control
ALUMINUM ARCHES
OA < Rise/Span < 0.5
Earth Invert: nb = 0.022
5000
Are
C a of
(p2. 5 T
4000 ul vert
3000 SPAW
360 .TS
3Z0 340
soa
10
2000
zao s6o
220 °•? ??r

1SOO
200

1QO ?
v s so
s j
0
` 1s
160 170 0
100
r4 2A
ISO /2,2
2.5

v 1000 120
200
100

3
0
900 .

-
c
800 0
10

90
95
s ?? s t -
3`6
-
700 BO ?? 200 300 4
5
=
cis .
600 70 4 4;47 - 5.0 C

=
Soo
60 300
_
v

So
as

d00
T.O
8.0
p 400 45 8.0
40 500 10.0
.fl 300 35 12.0
14
0
.
N se ta.o
25 Area Ift2l n
_ 18.0
?1
2Q0

e e
_ _
20= 90` 0.029
Q 0
?
d` 20 91-380 0.028

100
- HW i?
?-? ho -
Slope So -+
SUBMERGED OUTLET CULVERT FLOWING FULL
HW & H;ho- L5o
Oypllaation of this nemcVaph may distort seals
35
DEC 21 '00 16:24 FR CONTECH RALEIGH 919 881 9148 TO 136b21k:1bO1U r. W/M
- C Cri i i De h

80 0 120 140 160 180
. [I / I I
OvuI, Wn - t ca pt
ALUMINUM STRUCTURAL PLATE ARCHES
J ?- ??2? 4? - 22
I l I I Ia°I I I I I I I
rfj Critical Depth
do=D- RC
I A = 551 N
? R
I where
0=discharge, cfs
D = rise of arch, ft
R= inside radius, in.
- - N = arc length, no. of 3PI incr.
4»?5 included. a es
T Problem
j i Given 0=1166 cfs
f I Select arch
___ __ _ I Span != 20 ft
Rise =10.33 ft
Ci 2 I t N= 4 0 in.
C2= 5.4
Compute
I ' C, = 378.8 (1166) 1 120' = 2.8
i o I I A= 551 (40)1 120 =184
do =10.33 -120 (5.4)1 120
I dc .= 4.93 ft
I
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
C1,C2 Ct =378.8 01R 2.5
9
02/08/01 09:12 '0336 218 8010 C>aJ002/002
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Samet Corporation
NC Division of Water Quality
DATE INVOICE NO
DESCRIPTION INVOICE AP.40UNT DEDUCTION BALANCE
-
1-29-01 01-29-01
F GO
2001
i

K 1-29-01 CHECK
i ?R?
TOTAL> 200.00
.00
200.00
DATE +
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