20201754 Ver 1_2020-12-21 Sewer Improvements Impact Maps_20201222

AUSTIN CREEK
SANITARY SEWER IMPROVEMENTS
WETLAND AND BUFFER IMPACT MAPS
WAKE FOREST, NORTH CAROLINA
SHEET INDEX
1 COVER SHEET
2 OVERALL IMPACT MAP
3 IMPACT #1
4 IMPACT #2
5 MPAC7#5�4
I M PACTS
RIPRAP
RIPRAP
JURISDICT.
CHANNEL
CHANNEL
CHANNEL
CHANNEL
CHANNEL
CHANNEL
NEW
WETLAND
BUFFER
BUFFER
BUFFER
IMPACT
IMPACT
IMPACT
IMPACT
IMPACT
IMPACT
IMPACT
SHEET NO.
IMPACT
IMPACT
IMPACT
IMPACT
REASON FOR IMPACT
PERM.
PERM
TEMP.
PERM.
PERM
TEMP.
NO.
PERM.
ZONE 1(SF)
ZONE 2 (SF)
TOTAL (SF)
(AC)
NO -LOSS
(AC)
(LF)
NO -LOSS
(LF)
(AC)
(AC)
(LF)
1
3
307
4167
4474
SEWER OUTFALL
2
4
0.001
23
2825
12160
14985
SEWER OUTFALL
3
5
0.026
0.004
15
909
1138
2047
SEWER OUTFALL
4
5
0.014
SEWER OUTFALL
TOTALS
0.040
0.005
38
4041
17465
21506
PLANS PREPARED BY:
PRIEST, CRAVEN & ASSOCIATES, INC.
PLANNERS / LANDSCAPE DESIGNERS / SURVEYORS / ENGINEERS
3803 - B COMPUTER DRIVE, SUITE 104, RALEIGH, N.C. 27609 VERTICAL DATUM - NAVEW
PHONE 919 / 781-0300 FAX 919 / 782-1288 HORIZONTAL DATUM - NAD83
EMAIL [e-mail] FIRM#: C-0488
C
S�
O
VION17Y Map 1''=2000'
REVISIONS:
SHEET #
2.
5.
4.
1 OF 5
5
=ALAND PROJECT3\2016-002.004 AVERETTE - WAKE FORESTVDRAWINGS\—=-EETVIMPAOTS\SEWER OLTFALLA IMPAOTS.DWO , Dec 21, 2020 - 5:00 PM , BWILL

LEGEND
WETLANDS
BUFFER IMPAGT WITHIN EXISTING CLEARED 7�
SEWER EASEMENT IN ZONE 2
BUFFER IMPAGT WITHIN EXISTING CLEARED
SEWER EASEMENT IN ZONE 1
TEMPORARY IMPACTS TO JURISDICTIONAL WETLANDS
IN EXISTING CLEARED SEWER EASEMENTS
SANITARY SEWER PIPE REPLACEMENT LOCATIONS
JURISDICTIONAL STREAM TEMPORARY IMPAGT
TEMPORARY STREAM IMPAGT
250
/PERENNIAL
STREAM
GRAPHIG SCALE
1" = 500,
MPACT 1
WAIT AVENI
��/M�� -
• A ♦ ��
�.�► ♦ �o i�

LEGEND
WETLANDS
BUFFER IMPAGT WITHIN EXISTING GLEARED
SEWER EASEMENT IN ZONE 2
BUFFER IMPAGT WITHIN EXISTING GLEARED
SEWER EASEMENT IN ZONE 1
TEMPORARY IMPACTS TO JURISDICTIONAL WETLANDS
IN EXISTING GLEARED SEWER EASEMENTS
SANITARY SEWER PIPE REPLAGEMENT LOCATIONS
JURISDICTIONAL STREAM TEMPORARY IMPAGT
lill Hill TEMPORARY STREAM IMPAGTAREA
i
fl
ZONE 2 BUFFER IMPAGT WITHIN
EXISTING GLEARED SEWER
EASEMENT: 2,1-74 SF
I
� J
yK
IMPACT
ct
O
Z
ZONE 2 BUFFER IMPAGT
WITHIN EXISTING GLEARED /
SEWER EASEMENT: 1,993 SF
I /
_ ZONE 1 BUFFER IMPAGT
WITHIN EXISTING GLEARED
-GREEN MpUNTP` SEWER EASEMENT: 30-7 SF
.. .. . . .. ..
GRAPHIG SCALE
ki

LEGEND
-uWlc -uWlc -uWlc
WETLANDS
�11
EARTH FILL COVERED BY
LARGE ANGULAR ROCK
COARSE AGGREGATE
BUFFER IMPACT WITHIN EXISTING CLEARED oo o oTO
T-i
oo�o 0
SEWER EASEMENT IN ZONE 2 COARSE AGGREGATE O ° ° ° ° °° a °o°oo ° °o°o° ° o ° ° ° °O 0 °
1/2 DIAMETER OF PIPE 6" DEEP EARTH FILL COVERED BY o O Oo Oo °O o o O ° 0 0 °O ° O O PO 0BUFFER IMPACT WITHIN EXISTING CLEARED OR12°WHICHEVER IS LARGE ANGULAR ROCK O ° 0° 0 0 ° o O ° o°°O o o O 0 ° o SEWER EASEMENT IN ZONE 1 GREATER °oo °o a o° o°° Ooo°a ° 0 o °° O 00 O a o 0
O1 00 0 0 000 0 0 00 0° Q o0 0 0 0 0 0 o O ° o o
TEMPORARY IMPACTS TO JURISDICTIONAL WETLANDS FILTER FABRIC 0 o 0 0 0 0 0 0 0 0 o O ° O o °
'� 0000 0 0o ° p0 O o00 00°O O 0° O 00 0 0000
IN EXISTING CLEARED SEWER EASEMENTS ° 0 0 p o 0 o p° ° a o 0 0 0 o a o p° 0 o0
0oc), ° 0 °.0 00 00 O Oo 0 0 O o 0 0
SANITARY SEWER PIPE REPLACEMENT LOCATIONS - O o 0° o O o 0 0° ° O o O ° o° ° p O °0 00 ° O
° 0.00.0°po00 oOO p° �0o O0.
JURISDICTIONAL STREAM TEMPORARY IMPACT ! ,.
PERMANENT - NO LOSS STREAM IMPACT AREA CAPACITY OF PIPE CULVERTS
TOGETHER = BANK FULL FLOW
25 STREAM CHANNEL 25
MINIMUM MINIMUM
TOP OF BANK TOP OF BANK
ELEVATION PLAN
STANDARD TEMPORARY STREAM CROSSING
gyp,\Ni � Z .01
ZONE 2 BUFFER Ir'IPACT
WITHIN EXISTING CLEAREDcy-
SEWER EASEMENT: 191 SF17-
_ ZONE 2 BUFFER IMPACT / I I '
WITHIN EXISTING CLEARED
SEWER EASEMENT: 2,214 BUFFERED
. SF / \ . �. — STREAM
ZONE 1 BUFFER IMPACT /
\ / 1 WITHIN EXISTING CLEARED
SEWER EASEMENT: & 75 SF EARTHEN GOFFERDAM INSET
/ AFTER THE REMOVAL OF THE COFFERDAr'I AND
TEMPORARY STREAM GROSSING, THE STREAM
WILL BE RESTORED TO EXISTING CONDITIONS.
CONSTRUCTION TO BE PERFORMED IN THE DRY.
/ ZONE 2 BUFFER IMPACT I I
\ / WITHIN EXISTING CLEARED TEMP
ZONE 1 BUFFER SEWER EASEMENT: 1,205 SF I / STREAM DOWN
\ / , IMPACT WITHIN f �: / GROSSING STREAM
\ _ i EXISTING CLEARED ZONE 2 BUFFER IMPACT r-j I I
l SEWER EASEMENT: WITHIN EXISTING CLEARED 25' LF OF TEMPORARY
2,150 SF SEWER EASEMENT: 5,5& 7 SF STREAM IMPACT WITHIN
1 I I I I EXISTING CLEARED SEWER
ZONE 2 BUFFER IMPACT SEE INSET THIS PAGE / EASEMENT FOR TEMP
WITHIN EXISTING CLEARED RIPRAP GROSSING I lEd
SEWER EASEMENT: 4,&50 SF � / 1 \ EARTHEN
\ \ COFFER M
\ I STREAM
M PACT #2 200 �o0 50 0 111!"�o0 30o TEMP STREAM IMPACT WITHIN DEWATERING
EXISTING CLEARED SEWER PUMP
IIIIIIIIIIIIIIIIIIIIN EASEMENT: 0.001 AG (75 SF)
GRAPHIG SCALE
1" = 100'

LEGEND
WETLANDS
BUFFER Ir'IPACT WITHIN EXISTING CLEARED
SEWER EASEMENT IN ZONE 2
BUFFER Ir'IPACT WITHIN EXISTING CLEARED
SEWER EASEMENT IN ZONE 1
TEMPORARY IMPACTS TO JURISDICTIONAL WETLANDS
IN EXISTING CLEARED SEWER EASEMENTS
SANITARY SEWER PIPE REPLAGEMENT LOCATIONS
JURISDICTIONAL STREAM TEMPORARY Ir'PACT
TEMPORARY STREAM Ir'IPACT
-THIS SECTION
OF PIPE TO BE
REPLACED. ALL
OTHER IMPACTS
ARE FOR
TEMPORARY
AGGESS.
r /
I �
I
I
� � I
-ZONE 2 BUFFER IMPACT
WITHIN EXISTING CLEARED
SEWER EASEMENT: 819 SF
11L
COARSE AGGREGATE
FLOW
EARTH FILL COVERED BY
LARGE ANGULAR ROCK
0
00
0
�o 0
0 � o 0
COARSE AGGREGATE 0° O °°° 0 0° �
1/2 DIAMETER OF PIPE EARTH FILL COVERED BY o O O°
co 0
°O
°O °o O°
o
0O 00 0
° ° ° Op
p Co) 0 0 0 0 0° °O o 0 °
O C?
° ° O
6" DEEP op00 o
12" LARGE ANGULAR ROCK O 0 0
0
o O o
o
0 O
0 O O 0
O
OR WHICHEVER IS
GREATER o°O Oo ° O o_ ° 0
0
o
p
o. 00 pO
o 00
o
O o 00 0
0 O p O o
0
0 �o
O O p O C°
0°
00
0 0 Oo
0
a Oo00
0 0 p p
0 1 O° 00 O
0
' '• 0
FILTER FABRIC Q o o a °0 o OO O
p°
O
0 04 p O
O
Oo p 0 p
0
° 0 o O O 0
O o O p o 0 0 0
O o
00
00O 00
O°°
0 0 °
000000
O o
Oo.000
o. 0 0 0 p 0
00 p ° ° O 0 p° 0°p
°00
° Q 0 0 p 0° o
—
a O
o O 0
0 ° O °
O. 0 O ° O o 00
_
O° O 00 ° 00 o°
P°o o
O° o
po O o
o °oa0°
O O o QO
o
o
00 O 0p op o O
bQ° a° °o
_ °° a°o
o�
° o °
°o
0 o°
0
°o
8�00
CAPACITY OF PIPE CULVERTS II —
TOGETHER = BANK FULL FLOW
25 STREAM CHANNEL 25
MINIMUM MINIMUM
TOP OF BANK TOP OF BANK
ELEVATION PLAN
STANDARD TEMPORARY STREAM CROSSING
lw
15' LF OF TEMPORARY I AGGESS TO I /
I
STREAM Ir'IPACT WITHIN BOARDWALK UNIMPROVED / RIGHT-OF-WAY FOR MAIN
EXISTING CLEARED SEWER DIVIDE DRIVE /
EASEMENT FOR TEMP DIVE
RIPRAP GROSSING I I ,I
ZONE 2 BUFFER IMPAGT I I I I CONTRACTOR TO USE o
WITHIN EXISTING CLEARED EXISTING 10' WIDE
I I I SEWER EASEMENT: 319 SF ' MAINTENANCE GORRIDOR V/ TEMPORARY IMPACT TO
� Ma
I I I' FOR ACCESS / /a WETLAND FOR ACCESS TO
UPSTREAM MANHOLE FOR
PUMP AROUND DURING PIPE
DL REPLACEMENT
SEWER EASEMENT
( WETLAND IMPACT:
r sl= IL TEMPORARY SEWER I � 0.014 AG
EASEMENT WETLAND IMPAGT
WITHIN EXISTING CLEARED
11L s SEWER EASEMENT: 0.026 AG /
AGGESS TO
CONTRACTOR TO USE \ o AUSTIN RIDGE
—ZONE 1 BUFFER IMPACT EXISTING CLEARED / c`` PARKWAY
WITHIN EXISTING CLEARED MAINTENANCE GORRIDOR
SEWER EASEMENT: 458 SF FOR AGGESS. GORRIDOR IS o
—TEMP STREAM IMPACT WITHIN APPROXIMATELY 15' BASED
EXISTING CLEARED SEWER ON FIELD OBSERVATION. �\
EASEMENT: 0.004 AG
ZONE 1 BUFFER IMPACT WITHIN \ /
EXISTING CLEARED SEWER
EASEMENT: 451 SF
M PACT #3 100 50 25 0 50 150 I M PACT #4
GRAPHIG SCALE
1" - 50,