20240318 Ver 1_Impact Mapping_Hamilton Ave Project High Point_20240221

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INSTALL CONSTRUCTION
SAFETY FENCE AROUND
PROJECT LIMITS, TYP
SEE NOTE 5
j ,LIMITS OF DISTURBANCE _
EXISTING FENCE
i
2 / / PROf
CON`.
j ENTF
M
SILT FENCE, TYP -
� STA 0+07.21
a BEGIN 3-TIER ROCK WALL
AT END OF CULVERT HEADWALL
WITH GEOBAG WALL SYSTEM
ABOVE AT 2:1 SLOPE.
STABILIZE AND VEGETATE
(SEE SHEET C-3 AND C-5)
B4
PROPOSED STAGE � Exempt
AND STOCKPILE AREA �� �\ Present and
�A Ongoing Activity
915.51sgft
'OSED
�TRUCTION
ANCE j EXISTING STORM IN
OUTFALL TO BE REM D
' BY OTHERS
2 �
�Z
i /
SEE NOTE 8 /
a ;/
STA -0+91
SD LINE 2
JUNCTION BOX 1
N=807795.74
h ' E=1701622.26 So ..
BY OTHERS
I '
= by OCIV/1
PROPOSED DROP INLET
\ �/S PROTECTION BY OTHERS
EROSION CONTROL NOTES:
LIMITS OF
GRAVES
STA 0+00.00
BEGIN CHANNEL REALIGNMENT SS
CULVERT OUTFALL ELEV. 888.0 a/
PROPOSED HEADWALL BY OTHERS
S2
Permanent
Geobag Wall
with Rock Toe
11.6 Lf
15.7 sq ft
M 0.58 cu yd
STA 1 +45.65
END 3-TIER ROCK WALL WITH
GEOBAG WALL SYSTEM ABOVE
PROTECT EXISTING SEWER
S3 TED RIPRAP
Permanent 6
Fill - Grouted
Riprap
40.1 Lf
175.95 sq ft
6.51 cu yd ING CHANNEL
CENTERLINE
B3
Exempt S E D
Present and
Ongoing Activity E 1
1509.73 sq ft E R S
1 S6
Permanent
Geobag Wall
with Rock
Toe
8.9 Lf
5.26 sq ft
0.04 cu ycjd
*er
Z
-� STA 0+00.00
•-.
PREFORIv2D SC R
-T-
LIMITS OF
\'-
')ROTECTION ( T P)
��,
GRAVES
S7
Buffer Zone
2 (20 ft)
,-
-
Permanent
NCASE
s5
ONCRETE
Geobag Wall
10,�j v/ �. Permanent
/
AT ROCK
Permanent
SING
with Rock
p Fill - Boulder
�e � Basin &
-
SEE NOT
Geobag Wall
Rock
6.7 Lf
Channel
R��
STA 0+0 .65
S4
with
Toe
2.52 sq ft
0.5 cu ft
Realignment
23.5 Lf
BEGIN 2
TIER
RO
Fill
Permanent
- Bank Grading
77.1 Lf
110.28 sq ft
.97
R ROCK W
\
PROP 58.12 sq ft
VE
3.9 Lf
4.08 cu yd
ALL SYSTEM
ABOVE
B1
SD LI
Exempt
L
ft
.1
0.14 cuu yd
BY OTHERS
Present and
VEC
Ongoing Activity
B2
1065.0 sq ft
3 AND
C - 5 )
PROPOSED SDMH 1 BY OTHER
1. CONTACT THE DEMLR WINSTON-SALEM REGIONAL OFFICE 336-776-9800 AT LEAST
48 HOURS PRIOR TO COMMENCING THE LAND DISTURBING ACTIVITY.
2. EROSION AND SEDIMENTATION CONTROL MEASURES SHALL BE INSPECTED IN
ACCORDANCE WITH NCDEMLR AT LEAST ONCE EVERY 7 CALENDAR DAYS AND WITHIN
24 HOURS AFTER ANY STORM EVENT GREATER THAN 0.50 INCHES OF RAIN PER
24-HOUR PERIOD. SELF -INSPECTION FORM CAN BE FOUND AT
HTTP://DEQ.NC.GOV/ABOUT/DIVISIONS/
ENERGY-MINERAL-LAND-RESOURCES/EROSION-SEDIMENT-CONTROL/FORMS.
3. DESIGN COMPONENTS SHOWN ON PLANS MAY REQUIRE FIELD ADJUSTMENTS AT
DIRECTION OF ENGINEER.
4. ALL DEBRIS REMOVED DURING TRENCH EXCAVATION IS TO BE IMMEDIATELY HAULED
TO A PERMITTED OFF -SITE DISPOSAL LOCATION.
5. CITY OF HIGH POINT CONTACT PERSON RESPONSIBLE FOR MAINTENANCE:
MELINDA KING 336-883-3217
Exempt
Present and
Ongoing Activity
67.4 sq ft EARTHFILL AS REQUIRED TO -
MAINTAIN A MINIMUM 1' COVER
896
PROPOSED 91 LF OF 6, X 4'
BOX CULVERT @ 1.00%
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-1+00
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ELEV= 888.00
BEGIN PROPOSED
STREAM ALIGNMENT
0+00
O
PROPOSED HEADWALL
BY OTHERS
INV: 888.0
00
N 00
+
Qw
H J
cn LU
NOTE: CONTRACTORS SHALL STAY
WITHIN THE SPECIFIED LATERAL
LIMITS AND SHALL NOT DISTURB
GRAVES. APPROVED EQUIPMENT
MATS SHALL BE USED TO PROTECT
ff� ALL GRAVES WITHIN 10 FT OF
l EQUIPMENT. EXCAVATORS WITH TAIL
SWING SHALL NOT BE ALLOWED
DURING CONSTRUCTION.
EXISTING GRADE AT
PROPOSED CENTERLINE
PREFORMED SCOUR
PROTECTION PROPOSED
GRADE
a
0
0
U
NOTES:
1. FINAL LOCATION OF CONSTRUCTED RIFFLES SHALL BE
VERIFIED IN FIELD AND APPROVED BY ENGINEER OF
RECORD.
2. STONE FOR ROCK TOE SHALL BE APPROVED BY CITY
PRIOR TO INSTALLATION.
3. CONTRACTOR SHALL TEMPORARILY STOP WORK DURING
BURIALS. CITY WILL PROVIDE 24-HOUR PRIOR NOTICE.
4. IF ANY CEMETERY PROPERTY IS DAMAGED,
CONTRACTOR SHALL REPLACE AT NO COST TO OWNER.
5. CONTRACTOR SHALL COORDINATE WITH CEMETERY
STAFF PRIOR TO INSTALLATION OF CONSTRUCTION
SAFETY FENCE TO VERIFY LOCATION AND DEPTH OF
WOODEN STAKES. (OFFICE PHONE NUMBER:
336-883-3408)
6. INSTALL GROUTED RIPRAP TO PROTECT EXISTING
SEWER PIPE. GROUTED RIPRAP SHALL EXTEND FROM
EDGE OF PIPE WEST TO PROPOSED ROCK WALL AND
A MINIMUM OF 6 INCHES ON ALL SIDES OF PIPE.
7. ENCASE SEWER PIPE IN CONCRETE AT LOCATION
WHERE IT RUNS UNDER PROPOSED ROCK WALL.
CONCRETE SHALL BE MINIMUM 6 INCHES THICK ON
ALL SIDES. EXTEND CONCRETE MINIMUM 1' PAST ROCK
WALL BOTH SIDES.
8. REPLACEMENT OF STORMWATER PIPES IS PART OF A
SEPARATE PROJECT. WORK WILL BE COORDINATED
PRIOR TO CONSTRUCTION.
9. IF UNMARKED HUMAN SKELETAL REMAINS ARE
ENCOUNTERED DURING CONSTRUCTION, THE PROVISIONS
OF NORTH CAROLINA GENERAL STATUTE CHAPTER 70,
ARTICLE 3 APPLY. CONSTRUCTION ACTIVITIES SHOULD
IMMEDIATELY CEASE, AND THE COUNTY MEDICAL
EXAMINER SHOULD BE CONTACTED.
900
EXISTING 48" PIPE
PROPOSED 40 LF OF
6' X 4' BOX CULVERT
@ 3.73% BY OTHERS
1
INV: 884.48
EXISTING CHANNEL GRADE
MATCH EXISTING GRADE WITH
SHIFTED CHANNEL ALIGNMENT
1+00
ME o;L
1
Permanent Impact - Channel
Realignment/Boulder Basin
Permanent Impact - Fill and Bank Grading
Permanent Impact - Rock Toe and Geobag Wall
Permanent Impact - Fill (Grouted Riprap)
Zone 1 Exempt Buffer Impact
Zone 2 Exempt Buffer Impact
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IMPACT SHEET 1
FINAL DESIGN
SEQ.
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STA 1 +89.73 O NOTE: CONTRACTORS SHALL STAY N
BEGIN LAY BACK BANKS MMMMMMM STA 5+30.98 STA 6+61.18 WITHIN THE SPECIFIED LATERAL o W N�
MMMRM� STA 3+43.82 END LAY BACK BANKS LIMITS AND SHALL NOT DISTURB
AT 2:1 SLOPE. INSTALL BEGIN LAY BACK BANKS
PROPOSED °°°° COIR MATTING AND PLANT M\\\ END 1-TIER ROCK WALL AT 2:1 SLOPE. INSTALL \ M B11 SLOPE. INSTALL GRAVES. APPROVED MATS OR =°' ? �W Q�
SD LINE 1 BLEND TO EXISTING WITH GEOBAG WALL SYSTEM Ab Exempt TTING AND PLANT PLYWOOD SHALL BE USED TO N �2W--
COIR MATTING AND PLANT 0 - Present and S - 5 a =Oui
BY OTHERS SEE SHEET S10 p ABOVE AT 2:1 SLOPE O STA 5+40.06 TO EXISTING PROTECT ALL GRAVES WITHIN 10 FT & 0 cn
(B8 Permanent TRANSITION TO GRADING In TO EXISTING Ongoing Activity EET - -5 Z w z � 25
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Exempt Fill - Riffle OF EQUIPMENT. EXCAVATORS WITH as
O SEE SHEET C-4 AND C-5 55.35 sq ft W W . �'�
STA 2 Present and 21.1 Lf BANKS AT 2:1 SLOPE / O ( ) O S17 CTED S19 U Z
Buffer Zone 1 O Permanent Temporary TAIL SWING SHALL NOT BE
S9 Ongoing
Activity
S AT 142.77 q ft p� (SEE SHEET C-4 AND C-5) O 1 U � / Fill - Riffle ss Grading - Coir a 0 N � � � w �
B5 Permanent P sq ftO 1 S11 Ov - 20.5Lf E 1 Matting ALLOWED DURING CONSTRUCTION. ZZmZmW
Exempt Fill -Riffle K BAG WALL B10 132.97 sq ft ss -• - ` o o z
p PermanentE 123 Lf �.
0 7.39cu d �. 7 ~ oNFoo�
Present and 20.4 Lf EM ABO EAT 2:1 SLOPE. Geobag Wall with -- GRADE BANKS AT Exempt / y � STA 6+23.45 152.23 sq ft - �� Z o C = Z
Ongoing Activity 78.79 sq ft I LIZE A VEGETATE Rock Toe Present and S15 /_� `j BEG '� _ `�
(LIZE WITH C Ongoing Activity
ss ss - s ss - ss�ss -I ss s�
2.60 sq ft 4.38 cu yd SHEET C-4 AND C-5) 12.65 sq 16.8 f ft • B9 PLANT VEGE 63.55 sq ft O� Temporary S �, ss ! CVN DUCTED � � � a Z � m
0.23 cu yd Exempt Grading -Coir RIFFL
= Present and SHEET C-4
z
S _Ss- Matting '/s - \ �'�r TE 1 -
J L _
x SS. O Ongoing Activity 29.7 L / �� \ ' _-- -
�� 169.07 sq ft 32.6 W
i - - - 0' 0' 0' N
�- STA 4+77.92 / -� 0 1 2 4 J
END PROPOSED � � � s
55 �, - l .19 SCALE IN FEET W
\ CHANNEL ALIGNMEN - 2
HORIZONTAL W V C
- ---�`= WITH FLOODPLAIN NCH - - �- _ 2, 4, ��
_ LE r t o
B N S13 ING - - d CD
� � � ' � � z r
r - SCALE IN FEET
(SEE Permanent A D C-5) � � + l -
\� Excavation ' j i $� S21 VERTICAL
32 Lf ' �% $ S18 S20 Permanen 3
I
"� --- �M �� Geobag 3
x y� �_ _ � � 30.2 sq ft ,��� � � � / \ �" %" �� Temporary Permanent S8 S16 Wall with
/ _ - Grading Coir = Fill -Riffle i
Permanent --_ 3+( - i Tem orar
Fill Boulder -� - % p �, g Rock Toe z ° °'
- � � � Matting 20.9 Lf N `
�� / = Grading - Coir ,_,_,_,_, FINAL 11.4 Lf OF CONSTRUCTED RIFFLES SHALL BE
Basin _ i i i i i i / 9.7 Lf 107.34 S ft Ln � a� ��_--" _\ � i � � � i � � i � � ''� \_/' Matting q 8.67 sq ft
14.0 Lf - - -- - M / 14.96 sq ft 5.96 cu d VERIFIE AND APPROVED BY ENGINEER OF
�� �. i i i .r- _/' 28.5 Lf y
70.6 s ft i i �� % '/ RECOR 0.96 CU yd
ST 3.92 cu sq
�• B6 �91 - �� �� �M 82.5 sq ft STA 6+42.52
P OUR �' Exempt 51iH 3+.39.92 ��� �% ./
00
BEGIN 1 -TIER ROCK WALL
PROTECTION {TYP) Present and �M BEGIN PRO -POSED _ - - / •� STA 5+ 15.55
Ongoing Activity CHANNEL ALIGNMENT \ STA 6+57.48
3.60 sq ft �,s14 `j _ _ - BEGIN LAY BACK BANKS Permanent Impact - Channel Realignment w
WITH FLOODPLAIN BENCH Permanent AT 2:1 SLOPE. INSTALL END 1 -TIER ROCK WALL
Buffer Zone 2 20 ft �'-_ - _ �, Fill -Rock Toe WITH BANKS LAID BACK U
( ) - _, COIR MATTING AND PLANT
and Geobag Wall
�•�' 43.2 Lf BLEND TO EXISTING ABOVE Al 2:1 SLOPE
Temporary Impact - Grading J z
•� y,/'ems 56.45 sq ft (SEE SHEET C-4 AND C-5) BLEND TO EXISTING p y p g LJJ
STA 3+40.13 \ \ E \\�'ps 5.74 cu yd (SEE SHEET C-4 AND C-5)
BEGIN 1-TIER ROCK WALL M STA 4+77.06 w z O
WITH GEOBAG WALL SYSTEM Exempt -'� B12 '/ Z END 1 -TIER ROCK WALL Permanent Impact -Fill and Bank Grading O O
INSTALL CONSTRUCTION ABOVE AT 2:1 SLOPE Present and Exempt S12 WITH GEOBAG WALL SYSTEM 0 - 0
SAFETY FENCE AROUND STABILIZE AND VEGETATE EXI Ongoing Activity Present and Permanent ABOVE AT 2:1 SLOPE Lli
PROJECT LIMITS, TYP (SEE SHEET C-4 AND C-5) CE 222.02 sq ft Ongoing Activity MINIMUM Grading and STABILIZE AND VEGETATE Permanent Impact - Rock Toe and Geobag Wall Z Q +
SEE NOTE 5 5.76 sq ft OF BANK Geobag Wall with z rl
PAVEMENT Rock Toe (SEE SHEET C-4 AND C-5) Z
76 Lf 52 O z
LIMITS OF DISTURBANCE 198.72 sq ft Permanent Impact - Fill Grouted Ri ra a
20.24 cu yd p ( Riprap) 2 ± O
892 r W W - H
Zone 1 Exempt Buffer Impact
Zone 2 Exempt Buffer Impact
SISTINC 48"
PIPE
Excavation
888
PROPOSED 40 LF OF
6' X 4' BOX CULVERT
@ 3.73% BY OTHERS
I
EXISTING GRADE AT
CONSTRUCTED RIDDLE
884
PROPOSED CENTERLINE
884
ti
CONSTRUCTED
RIDDLE
N V:
883.00
880
880
CONSTRUCTED RIFFLE
CONSTRUCTED
RIFFLE
PREFORMED SCOUR
Ld
Z
-
PROTECTION PROPOSED
876
GRADE
J EXISTING CHANNEL GRADE.
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MATCH EXISTING GRADE WITH
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3+00 4+00 5+00 6+00 6+80 IMPACT SHEET 2
FINAL DESIGN SEQ.

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C = EXCAVATION
BELOW OHWM
CI = FILL BELOW
OHWM
GRADED SLOPE ABOVE
CULVERT HEADWALL BY
OTHERS
912
PROP GROUND
908 i
904 -
900
896,EX CULVERT TO
892 BE REMOVED BY
OTHERS - -
888 T
EX SEWER TO
REMAIN IN SERVICE
884 -40 -20
912
908
904
900
896
892
888
884
880
912
908
904
900
1 I\AIT /1C
3-TIER STACKED
ROCK WALL
GROUTED RIPRAP
AROUND SEWER PIPE
SEE NOTE 5
EX GROUND 912
LIMIT OF 908
DISTURBANCE 904
900
447�896
PROP 6'(H) x 4'(V) CULVERT BY OTHERS 392
OHWM
888
0 BOULDER BASIN 40 884
AT CULVERT
STA 0 + 0 0 OUTFALL
GRADE BACK BOTH BANKS AT MAX
2:1 SLOPE AND PLACE 4 LIFTS
CONSTRUCTED GEOBAG WALL SYSTEM
ABOVE STACKED ROCK WALL. PLACE
COIR MAT AND VEGETATE ABOVE
-40 -20 0 20 40
STA 0 + 12
PROP GROUND
896 LIMIT OF
- GRAVESTONES /
892- LIMIT OF
- DISTURBANCE
888- GROUTED RIPRAP
884 AROUND SEWER PIPE
SEE NOTE 5
880'-40 -20
912
908
904
9o0
896
892
888
LIMIT OF
GRAVESTONES /
LIMIT OF
DISTURBANCE
-40
GR
OUTED RIPRAP
AROUND SEWER PIPE
SEE NOTE 5
-20
0
STA 0+25
912
908
904
900
896
892
888
884
880
GRADE BACK BOTH BANKS AT MAX
2:1 SLOPE AND PLACE 4 LIFTS
CONSTRUCTED GEOBAG WALL SYSTEM 912
ABOVE STACKED ROCK WALL. PLACE
COIR MAT AND VEGETATE ABOVE gog
GEOBAG WALL (TYP)
- EX GROUND 777 904
/7:: 3-TIER STACKED11
— ROCK WALL 900
896
LIMIT OF 892
DISTURBANCE
888
884
40 880
25-YR ELEV. -4
2-TIER STACKED
ROCK WALL
1
20
GRADE BACK BOTH BANKS AT MAX
2:1 SLOPE AND PLACE 4 LIFTS
CONSTRUCTED GEOBAG WALL SYSTEM
ABOVE STACKED ROCK WALL. PLACE
--COIR MAT AND VEGETATE ABOVE
GEOBAG WALL (TYP)
3-TIER STACKED
7�7
ROCK WALL EX GROUND
0
STA 0+38
rowing \uv-STREST-XS.dwg
= PROP GROUND
25-YR ELEV.
OHWM
2-TIER STACKED
ROCK WALL
20
912
908
904
900
— 896
LIMIT OF
DISTURBANCE ggg
888
884
40 880
908
904
900
896
892
888
884
880
GRADE BACK BOTH BANKS AT 2:1 NOTE: CONTRACTORS SHALL STAY
SLOPE AND PLACE 4 LIFTS WITHIN THE SPECIFIED LATERAL
CONSTRUCTED GEOBAG WALL SYSTEM LIMITS AND SHALL NOT DISTURB
ABOVE STACKED ROCK WALL. PLACE GRAVES. APPROVED MATS OR
-40 SEE NOTE 6 0
STA 0+50
LIMIT OF
GRAVESTONES /
LIMIT OF
DISTURBANCE
e
908 MIN
904
900 EX GROUND
896
892
888
884
880 -40
GRADE BACK BOTH BANKS AT 2:1
SLOPE AND PLACE 4 LIFTS
CONSTRUCTED GEOBAG WALL SYSTEM
ABOVE STACKED ROCK WALL. PLACE
COIR MAT AND VEGETATE SLOPE
ABOVE GEOBAG WALL (TYP)
PROP GROUND
3-TIER STACKED
ROCK WALL
LIMIT OF
DISTURBANCE
908
904 J-]I
900
EX GROUND
896
PROP GROUND
892
888
884
880 -40
::a
-20 0
STA 0+75
3-TIER STACKED
ROCK WALL
OPE 908 PLYWOOD SHALL BE USED TO
904 PROTECT ALL GRAVES WITHIN 10 FT
EX GROUND OF EQUIPMENT. EXCAVATORS WITH
900 TAIL SWING SHALL NOT BE
— — ALLOWED DURING CONSTRUCTION.
896
LIMIT OF
25—YR ELEV. - DISTURBANCE 892
— �0HWM -
888
- — 2-TIER STACKED
ROCK WALL 884
g80 NOTES:
20 40
908
904
LIMIT OF _ 900
DISTURBANCE
896
892
� 25-YR ELEV. OHWM
888
2-TIER STACKED
ROCK WALL 884
20 40 880
GRADE BACK BOTH BANKS AT
2:1 SLOPE AND PLACE 4
LIFTS CONSTRUCTED GEOBAG
WALL SYSTEM ABOVE STACKED 908
ROCK WALL. PLACE COIR MAT
AND VEGETATE SLOPE ABOVE 904
GEOBAG WALL (TYP)
-20 0
STA 1 +00
EX GROUND
900
LIMIT OF
DISTURBANCE 896
- 892
0 25-YR ELEV. — OHWM 888
2-TIER STACKED
- ROCK WALL 884
20 40 880
GRADE BACK BOTH BANKS AT 2:1
SLOPE AND PLACE 4 LIFTS
CONSTRUCTED GEOBAG WALL SYSTEM
ABOVE STACKED ROCK WALL. PLACE
COIR MAT AND VEGETATE SLOPE
LIMIT OF
DISTURBANCE
ABOVE GEOBAG WALL (TYP)
LIMIT OF
10-
-
DISTURBANCE
25-YR ELEV.
-
OHWM
3-TIER STACKED
ROCK WALL
2-TIER STACKED
ROCK WALL
-40 -20 0
STA 1 +25
it •
I IAAIT r)�
40
:
=_W_,
_i
ONE
-•
-40 -20 0
STA 1 +44
20
40
also
1. ALL GRADED SLOPES SHALL BE
LINED WITH COIR MATTING PER THE
D ETAI L.
2. ALL STACKED ROCK WALL WILL BE
BLENDED TO EXISTING GROUND AT
TOP OF ROCK TO LIMIT EROSION AT
TOP OF WALL.
3. PLACE SINGLE COIR WRAPPED LIFT
ABOVE STACKED ROCK WALL AS
REQUIRED
4. GEOBAGS WILL BE BUILT IN A
MANNER THAT BLENDS WITH
EXISTING BACKSLOPE. A MINIMUM OF
4 LIFTS (-2 FT ABOVE STONE) AT
-2:1 (H:V) SLOPE SHALL BE USED
UNLESS OTHERWISE SPECIFIED ON
PLANS. LIFTS CAN BE PLACED AS
STEEP AS 1.5:1 (H:V). MORE BAG
LAYERS MAY BE USED AT DIRECTION
OF ENGINEER.
5. GROUT RIPRAP BETWEEN STACKED
ROCK WALL AND EXISTING SEWER
PIPE TO PROTECT PIPE. EXTEND
GROUTED RIPRAP ABOVE AND ON
SOUTH SIDE OF PIPE FOR MINIMUM
OF 6 INCHES.
6. ENCASE SEWER PIPE IN CONCRETE
AT LOCATION WHERE IT RUNS
UNDER ROCK WALL. CONCRETE
SHALL BE MINIMUM 6 INCHES THICK
ON BOTH SIDES AND ABOVE PIPE.
EXTEND CONCRETE MINIMUM 1' PAST
ROCK WALL BOTH SIDES.
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= FILL BELOW
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-40 -20 0 20 40
STA 2+00
900
896
892
-
EDGE OF
PAVEMENT
888
—
-
884
EX GROUND =
880
876 -40
896
892
888
GRADE BANK AT 2:1 SLOPE.
PROP PLACE COIR FIBER MAT AND
GROUND VEGETATE (TYP)
25—YR ELEV. OHWM
EDGE OF
PAVEMENT
-20 0 20 40
STA 2+50
GRADE BACK BANK AT 2:1 SLOPE AND
PLACE 4 LIFTS CONSTRUCTED GEOBAG
WALL SYSTEM ABOVE STACKED ROCK
goo
EDGE OF
PAVEMENT
GRADE BANK AT 2:1
896
SLOPE. PLACE COIR
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892
892
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888
888
884
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880 EX
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GRADE FLOODPLAIN
876
876
BENCH AT 15:1 SLOPE.
PLACE COIR FIBER MAT
872
AND VEGETATE
868'-40
-20
EDGE OF
PAVEMENT
PROP
GROUND
WALL. PLACE COIR MAT AND VEGETATE
SLOPE ABOVE GEOBAG WALL (TYP)
—
EX GROUND
25—YR ELEV.
OHWM
1 —TIER STACKED
ROCK WALL
EDGE OF
PAVEMENT
884
880
876 -40
-20 0
STA 3+00
896 GRADE BANK AT
2:1 SLOPE. PLACE
892 COIR FIBER MAT
AND VEGETATE
888 (TYP)
884
880 EDGE OF EX GROUND
PAVEMENT
876 PROP GROUND
872'-40 -20
EDGE OF GRADE BANK AT 2:1
PAVEMENT SLOPE. PLACE COIR
FIBER MAT AND
892
888
884
880
876
872
868
0
STA 3+50
20 40
GRADE BACK BANK AT 2:1 SLOPE
AND PLACE 4 LIFTS CONSTRUCTED
GEOBAG WALL SYSTEM ABOVE
STACKED ROCK WALL. PLACE COIR
MAT AND VEGETATE SLOPE ABOVE
GEOBAG WALL (TYP)
EDGE OF
25—YR ELEV. PAVEMENT
OHWM
p
- 1 —TIER STACKED
-ROCK WALL
20 40
GRADE BACK BANK AT 2:1 SLOPE AND
PLACE 4 LIFTS CONSTRUCTED GEOBAG
WALL SYSTEM ABOVE STACKED ROCK
WALL. PLACE COIR MAT AND VEGETATE
SLOPE ABOVE GEOBAG WALL (TYP)
900
896
GRADE BANK AT 2:1
SLOPE. PLACE COIR
892
FIBER MAT AND
s92
VEGETATE. BLEND
888
EDGE TO EXISTING
888—PAVEMENT
884
884
880
25—YR ELEV.
880
876
876
GRADE FLOODPLAIN
BENCH AT 15:1 SLOPE.
872
PLACE COIR FIBER MAT _
AND VEGETATE
VEGETATE. BLEND TO
EXISTING
— — — —
EDGE OF
PAVEMENT
25—YR ELEV.
OHWM
—
X GROUND
GRADE FLOODPLAIN
BENCH AT 15:1 SLOPE.
PLACE COIR FIBER MAT AND VEGETATE
1 —TIER STACKED
ROCK WALL
GROUND
PROP
-40 -20 0
STA 4+00
lot Dote: 1 /25/2024 4:33 PM Plot By: 03807 Filename: N:\WTU\Drawings\CV-STREST-XS.dwg
20
40
896
892
888
884
880
876
892
888
884
880
876
872
868
88$
8$4
8$0 25—YR ELEV.
876
872 -40
EX GROUND
PROP
GROUND
-20
PROP
GROUND
0
STA 4+50
PROP
GROUND
o
STA 5+00
NOTE: CONTRACTORS SHALL STAY
WITHIN THE SPECIFIED LATERAL
LIMITS AND SHALL NOT DISTURB
GRAVES. APPROVED MATS OR
GRADE BACK BANK AT 2:1 SLOPE PLYWOOD SHALL BE USED TO
AND PLACE CONSTRUCTED GEOBAG PROTECT ALL GRAVES WITHIN 10 FT
WALL SYSTEM ABOVE STACKED OF EQUIPMENT. EXCAVATORS WITH
ROCK WALL. EXTEND GEOBAG TAIL SWING SHALL NOT BE
LIFTS TO DAYLIGHT SLOPE. 892 ALLOWED DURING CONSTRUCTION.
EDGE OF
PAVEMENT 888
884
25—YR ELEV. OHWM
880
NOTES:
1 —TIER STACKED 876
ROCK WALL 1. ALL GRADED SLOPES SHALL
872 BE LINED WITH COIR
MATTING PER THE DETAIL.
20 40 868 2. ALL STACKED ROCK WALL
WI BE B ENDED TO
GRADE BACK BANK AT 2:1 SLOPE
AND PLACE CONSTRUCTED GEOBAG
WALL SYSTEM ABOVE STACKED
ROCK WALL. EXTEND GEOBAG
LIFTS TO DAYLIGHT SLOPE.
— - OHWM
1—TIER STACKED
ROCK WALL
20
GRADE BANK AT 2:1 SLOPE.
PLACE COIR FIBER MAT AND
VEGETATE {TYP)
EX GROUND
40
LL L
EXISTING GROUND AT TOP
OF ROCK TO LIMIT EROSION
AT TOP OF WALL.
3. PLACE SINGLE COIR
WRAPPED LIFT ABOVE
STACKED ROCK WALL AS
REQUIRED
4. GEOBAGS WILL BE BUILT IN
A MANNER THAT BLENDS
892
WITH EXISTING BACKSLOPE.
A MINIMUM OF 6 LIFTS (-3
888
FT ABOVE STONE) AT —2:1
884
(H:V) SLOPE UNLESS
OTHERWISE SPECIFIED ON
880
PLANS. LIFTS CAN BE
PLACED AS STEEP AS 1.5:1
876
(H:V). MORE BAG LAYERS
MAY BE USED AT DIRECTION
872
OF ENGINEER.
EDGE OF
PAVEMENT 884
25—YR ELEV. OHWM ggo
INSTALL 876
CONSTRUCTED RIFFLE
0 20 40 $72
STA 5+50
EDGE OF GRADE BANK AT 2:1
PAVEMENT SLOPE. PLACE COIR FIBER
MAT ANn \/FI;FTATF (TYP)
EDGE OF
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888
E>
884 GROUND
88o 25—YR ELEV. — -
876 GRADE BANK AT 2
PLACE COIR FIBER
872 VEGET
868 -40
EX GROU
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-20
ND
i
EDGE OF
PAVEMENT
OHWM
77
0 20
STA 6+00
1 —TIER STACKED ROCK WALL
ANn (;RAnF RANK AT 2.1
40
PROP
GROUND
SLOPE. PLACE COIR MAT.
OHWM —
—
;1 SLOPE.
MAT AND
ATE (TYP)
EDGE OF
PAVEMENT
-20 0
STA 6+50
20
40
888
884
880
876
872
868
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IMPACT SHEET 4
FINAL DESIGN
SEQ.