20130994 Ver 1_More Info Received_20131004

October 2, 2013
NC Division of Water Quality401/Wetlands Unit
Attn: Cyndi Karoly
512 N. Salisbury St.,
Raleigh, NC 27604
Michael Baker Engineering, Inc.
797 Haywood Road
Suite 201
Asheville, North Carolina 28806
828 - 350 -1408
FAX [phone]
13 -Daqq
Subject: SIGNED AND SEALED DRAWINGS
WITH MINOR REVISIONS TO REPLACE PLANS PREVIOUSLY SENT WITH
Preconstruction Notification and request for Clean Water Act (CWA) §404 and 401
permits for the Regency Drive Streambank Stabilization Project, Winston - Salem,
Forsyth County. Unnamed Tributary (UT) to Silas Creek, Winston - Salem, North
Carolina, Yadkin River Basin — CU# 03040101, Forsyth County, NC.
Dear Ms. Karoly:
Enclosed with this letter are five (5) copies of the SIGNED AND SEALED DRAWINGS WITH
MINOR REVISIONS to replace the UNSIGNED project plan sets sent previously with the Pre -
Construction Notification.
Thank you for placing these signed and sealed plans into the application package. If you have
any questions, please contact me as soon as possible at 828 - 450 -3078 or by email at
[e-mail].
Sincerely,
Michael Baker Engineering, Inc.
Don Hunley, P.E.
Cc:
Mr. Marcus Kiser and Mr. Mike Patton, P.E. (Co- Project Managers) p r � (� O V L5
City of Winston -Salem Utilities Division LL9� L3
101 N. Main St., City Hall -Suite 357
Winston - Salem, NC 27101 OCT - 4 2 0 33

1 `1
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1 ......... ...............................
1 a ......... ...............................
2 ......... ...............................
3 ......... ...............................
4 -5 ......... ...............................
6 ......... ...............................
7 ......... ...............................
D1— D4 ......... ...............................
SHEET TOTAL ...................
COVER SHEET
EXISTING CONDTIONS
CONVENTIONAL SYMBOLS
GENERAL N':OTES
CONSTRUCTION SEQUENCE
DEMOUTI0�9 PLAN
PLAN /PROFILE
EROSION CONTROL
LANDSCAPE PLAN
DESIGN CROSS SECTIONS
DETAILS
13
13-�ga'�
�� � ��� �`
7t;T _. �� �s���
1 SH�RA7GN f�AF�K
P. �. 7 8 PG. 19
'' I (" �� I'� 1!) �i� !'� I I III 'i� I i I � I ��)
®���� JL o
t t�) I ��,
MP'1f\6�US K. KISER
UTILITIES SERVICES COORDINATOR
MIKE PATTON, P.E.
CAPITAL PROJECTS ENGINEER
..� � � ,fit; o
� �� • s. � r
� �r
STREAM DESIGN DESIGNER
.� I'� ��� 1 F �: � I �� t:_ � I �: l� C �'�
6 +�® d
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4
C
i
H
10
9/3�/i3
P.E.

NOTES,-
1. SITE IS SUBJECT TO ALL EASEMENTS, RIVI AND AGREEMENTS
OF RECORD PRIOR TO THE DATE OF THE SURVEY.
2. ALL DISTANCES ARE HORIZONTAL GROUND, UNLESS OTHERWISE NOTED
J. ALL BEARINGS ARE GRID BEARINGS.
4. AREA COMPUTED BY COORDINATE GEOMETR"
5. PROPERTY DOES NOT LIE IN A SPECIAL FLOOD HAZARD.
6. THIS IS NOT A BOUNDARY SURVEY.
GRID TIE.
The NC Grid coordinates shown on this plot were
derived by utilizing the North Carolina Virtual: Real
Time Kinematic Network Service. The vectors were
adjusted using N.0 V.R.S FIXED /C.O.R.S stat;ons
(minimum of three), producing a weighted least
squares adjustment of the [WGS 84 or NAG 83 or
other system] positions. Coordinates were reported by
Topcon Hiper Light reciever serial # 263 -0194 and
Topcon Topsury data collector Software.
LEGEND
pp
These standard symbols will - - -_
be found in the drawing. CONTROL POINT
866962.$2
DIPS NEW 1” IRON PIPE E 1626315.26
0 I.P. IRON PIPE ELV. 913.59
ELECTRIC METER
FIRE HYDRANT 0,
Topography
I, Pgv -14 ! 9gw __ certify that this projewt was completed under my direct
and responsible charge from anactual (insert as appropr'`'Ote: ground or airborne)) survey
made under my supervision; that the survey was completed on Dec 28. 2
This 2ND day of JANUARY, 2013. \\\ \ \ \ \\��1UIIt�111 /IIIlU11fj / / /I�
`pp
SEAL
1 ®�
UTILITY NOTES
The location of Utilities shown hereon are from observed evidence of above
ground appurtenances only. Superior locate utility marking contractor
located underground unities by above ground electronic detection.
VICINITY MAP — NTS
® — s ...
N
U)
ay
m
rn
as
I
I
0
N
v
V)
Co
LOT 29 2� lilt z
I SHERATON PARK
P.B. 18 PG. 19
PIN 6826 -67 -4076
DUWAYNE AMEN '89g -.� tit ;� l ttw! a l I o CONDO BOOK 1 PAGE 178
D.B. 1889 PG. 4378
GEORGETOWN PARTNERS
D.B. 1379 PG. 1189
HOUSE
1
M TOP = 897.56` \))I iii'
INV.4t _ 891.17 ill
MH TOP = 899.68
TOP MHO 899.94 �1�, ` i �l . INV.IN "S „ = 892.46
INV „N = 894.74 t� 31 BUILDING INV.OUTE- = 892306
INV lid 894..7, 13 v r
A
GAS METER
-&
GUY POLE
GUY WIRE
GAS VALVE
MANHOLE MISC.
®
SEWER MANHOLE
QT
TELEPHONE MANHOLE
0
P.K. NAIL
,o.Pp
POWER POLE
0
REBAR
M
N.C.D.O.T. CONCRETE MONUMENT
(D
TRAFFIC SIGNAL CABINET
0
BENCHMARK
ID
TELEPHONE PEDESTAL
CURB INLET
®
WATER METER
0
TREE
Awk
EVERGREEN TREE
LIGHT POLE
t
WATER VALVE
WET AREA
®
STORM MANHOLE
+
SPOT ELEVATION
<1>
TRAFFIC SIGNAL HANDHOLE
YARD INLET
®
A/C — AIR CONDrriON
4'w
MONORITING WELL
.. — .. — ..... — —
OVERHEAD WIRE
E E
UNDERGROUND ELECTRIC
T T
UNDERGROUND TELEPHONE
—
CENTER LIEGE
FENCE
W W
UNDERGROUND WATER LINE
G G
UNDERGROUND GAS
------------
---- --
EASEMENT
S S
SEWER
STORM
DITCH
CB TOP = 9100.16
INV.OUT = 8'95.5 � OUT = 894.71
CONTROL ROINT,�1 9p
N 866961.0115
E 1628529.1 --�' �. ..�
MFi TOP 905.5:y tcp/" 14 OUT 900.45 } � : 15W
29v� W PUBLIG'
N1-
M To� -gixi o.3 I f
JNV.OUT = 89 3
I
® �,MH TOP = 899:3 a�
OVV N (E &W) = 891.61 , +`
1NV.OVT = 891.51 i
L <�
PIN 6826 -67 -4894
ROBERT Sa OAN
ELIZABET I SLOAN
D.B. 983 PG. 545
LOT 14
SHERATD�4 PARK
P.B. 18 LPG. 19
I
}
�J
i
i
r
t
J
PIN 6826 -67 -0845
WILSON, REID, HART , CURRIE, DAVIS
LINTON, MCGILL, WOODALL, CURRIE
D.B 1502 PG. 190
of
1
PARKING LOT
-QC CB TOP = s,.3� 0(. )
�INV.OUT _ S99.1 G
1:H
30- I N. 31 `1' = 904.05
lia Sam
1� r INV,0 ". "T = 894.95
REV DATE, s COMPANY E'ISTRATiON P -0136

REMOVE 20; LF OF
CURB & GUTTER
REMOVE 50 �SY OF
EXISTING. P-AVEMENT
---REMOVE- 2 EXI,S--TING---,. ------
CATCH BASINS AND
21 LF OF 15 RCP
f2i--50
13+00
jr
REMOVE _IXISTH�IG
NOTE: REMOVE ABANDONED WATER SYSTEM, SEWER SYSTEM, AND
STORMWATLER SYSTEM PIPES AND FEATURES AFTER INSTALLATION
OF REPLACEMENT PIPES AND FEATURES.
HORIZ. SCALE: 1"=10'
cy 11 W 30

1
1*Rj
m
a
900
OR 9 8
896
UMEM
1892
1 1+50
LD
F-
LIU
LIU,
(0
UJI
z
-j
HORIZ. SCALE: V=10'
0 2CY 3(Y
I.
CLASS B RIP RAP
10" SEWER VCP
OP OF PIPE = 893.34'
INV = 892.50'-----�
I u T 8 8
900
OR 9 8
896
UMEM
1892
1 1+50
LD
F-
LIU
LIU,
(0
UJI
z
-j
HORIZ. SCALE: V=10'
0 2CY 3(Y

room*
r-Te"m
INST L 26 LF OF GUARDRAIL
�ICDOT 862.01 & 862.02
:IROVIDE 4 END OF ROAD
.� I
MARKERS — NCDOT 1264.02
REPAIR 21 SY OF
EXISTING PAVEMENT
�$EE DETAIL 3/D3
INSTALL \STORM' MH
NCDOT 84b.52
NEW LOCATION OF RIM= =89p, 9 4
FE HYDRANT INSTALL, N 12" AIV IN=894, 4
9 LF OF 6" D.Ip S 12" 1 IV IN -8 -77 6.
1 N
N 1 2
S 1
8"X6" TEE W 18" INV tN-89'4'73
1 8
6" OV & BOX 18 ,IN: OUT=894.71
8" cv & BOX
INS,, ALL CATCH BASIN
NCD07 840.02 & 840.03
C;R-ATF=RQQ on
I Al 0 fe-1 n 14-M,
12+00 1 2+50 13+00
- DI - E -C TED BY E
RELOCATE EXISTING
iNSTAW �'11>10,W L-,
-
FIRE HYDRANT
GRADE BANK 1.5:1, APPLY SOIL MIX,
3, 0 0,
LIVE STAKES AND MATTING (TYP)
D 2 50,�
NOTES:
INSTALL J—HOOK ROCK VANE
-f8 EXISTING
1. DO NOT DIS UR
lW2=
SEE DETAIL 4/D2
A
WOODY VEGE T JON
TIE PROPS.ED ROCK V A N E,
L ROINT BA
PULL R BACK AND
2. SEE DESIGN CROSS
INTO' EXISTING TREE
SLOPE
, 3 1 OR FLATTER
AkT,
,)NS FOR C
SECTIC 'HANNEL
SEE DETAIL 2 D
o
FROM
FROM
STATI N 11+50-12+25
S
DIMENSIONS
I Al 0 fe-1 n 14-M,
12+00 1 2+50 13+00

MUDMAT
HORIZ. SCALE: 1-101
a 1(y 20r 30'

STREAM SANK GRADIING ZONE
(TEMPORARY SEED, RIPARIAN SEED, AND LIVE STAKES)
O0 0
NON- RIPARIAN SEEDING ZONE
OO Q (TEMPORARY SEED AND NON— RIPARIAN SEED)
\ VEGETATED GEOLIFT ZONE
\ (TEMPORARY SEED, RIPARIAN' SEED, AND BRUSH CUTTINGS)
PERMANENT RIPARIAN SEEDING (TO BE PLANTED AT 15 LB /.AC IN ALL
PLANTING ZONES)
SCIENTIFIC NAME
COMMON NAME
PERCENTAGE
LNETLAND INDICATOR
Agrostis alba
Red Top
10%
FACW
Elymus virginicus
Virginia Wild Rye
15%
FAC
Panicum virgatum
Switch rass
15%
FAC+
Tripsicum dactyloides
Gamma gross
5%
FAC+
Polygonum pennsylvanicum
Pennsylvania smortweed
5%
FACW
Schizachyrium scoparium
Little bluestem
5%
FACU
Juncus effusus
Soft rush
5%
FACW+
Bidens oristoso
Tickseed
10%
FACW
Coreopsis lanceolota
Lance— leaved coreopsis
10%
FAC
Dichanthelium clandestinum
Deer tongue
10%
FACW
Andropogon gerardii
gig bluestem
5%
I
FAC
Sorgastrum nutans
Indion rass
5%
FACU
TEMPORARY SEEDING — PLANTED WITH PERMANENT RIPARIAN SEED MIX
(TO BE PLANTED IN ALL DISTURBED AREAS AND PLANTING ZONES)
Summer Seeding (May 1 — August 15)
Browntop Millet— Panicum romosum
Winter Seeding (August 15 — May 1)
Rye Grain— Secale cereale
i
LIVE STAKES
(TO BE PLANTED IN STREAM BANK GRADING ZONE)
SCIENTIFIC NAME
COMMON NAME
PERCENTAGE
WETLAND INDICATOR
Physocarpus opulifolius
Nine Bark
15%
[FAC —
Sombucus Conadensis
Elderberry
20%
111FACW-
Cepholanthus occidentalis
Buttonbush
15%
j!, OBL
Salix sericea
Silky Willow
25%
IiOBL
Cornus Amomum
ISilky Dogwood
125%
(FACW+
BRUSH CUTTINGS
(TO BE PLANTED IN VEGETATED GEOLIFT ZONE)
SEE SPECIAL PROVISIONS
i v �9 -
BAKER PROJECT REFERENCE No. SIViEr NO.
133285 7
PROJECT ENGINEER
039201
r
` AT
Michael Baker Engineering, Inc.
7800 Airport Center Drive
Suite 100
Greensboro, NC 27409
Phone: [phone]
Fax [phone]
PROFg$$IONAL CORPORATION UICENBE NUMBER F -1084
NORIZ. SCALE: Iii =1i
9 19 2(Y W

,' TEMPORARY SAFETY
STEEI
WOVEN FILTER FABRIC
M--TEMPORARY SILT FENCE
TEMPORARY SILT FENCE NOTES:
1.
FILTER FABRIC FENCE SHALL BE A MINIMUM OF 32" IN WIDTH AND SHALL HAVE A
MINIMUM OF 6 LINE WIRES WITH 12" STAY SPACING.
2.
WOVEN FILTER FABRIC TO BE USED WHERE :,SILT FENCE IS TO REMAIN FOR A PERIOD
OF MORE THAN 30 DAYS.
3.
STEEL POSTS SHALL BE V -0" IN HEIGHT AND 3E OF THE SELF - FASTENER ANGLE
i — STEEL POST
STEEL TYPE.
4.
TURN SILT FENCE UP SLOPE AT ENDS.
WOVEN FILTER FABRIC
5,
DRAINAGE AREA CAN NOT BE GREATER THA441 1/4 ACRE PER 100 FT OF FENCE.
Z T-
6.
SLOPE LENGTHS CAN NOT EXCEED CRITERLk SHOWN IN TABLE 6.62A NORTH
� w c�
CAROLINA EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL.
7.
DO NOT INSTALL SEDIMENT FENCE ACROSS STREAMS, DITCHES, WATERWAYS OR
�' m
OTHER AREAS OF CONCENTRATED FLOW.
U'
FLOW OQ
cif
8.
INSTALL POSTS WITH THE NIPPLES FACING A' "OVAY FROM THE SILT FENCE
N
5�
9.
ATTACH THE FABRIC TO EACH POST WITH T1 iREE TIES WITH THE TOP TIE WITHIN 8"
10.
OF THE TOP OF THE FABRIC.
WRAP APPROXIMATELY 6 INCHES OF FABRIC AROUND THE END POSTS AND SECURE
1111
Ii11= Eli =ll�
-
WITH 3 TIES.
�
11.
CONSTRUCT THE FILTER FABRIC FROM A CONTINUOUS ROLL CUT TO THE LENGTH OF
THE BARRIER TO AVOID JOINTS. WHEN JOINTS ARE NECESSARY, SECURELY FASTEN
ANCHOR SKIRT 8" MINIMUM
THE FILTER CLOTH ONLY AT A SUPPORT POST WITH 4 FEET MINIMUM OVERLAP TO
THE NEXT POST.
TEMPORARY SILT FENCE MAINTENANCE NOTES.
1. INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL.
MAKE ANY REQUIRED REPAIRS IMMEDIATELY'.
2. SHOULD THE FABRIC OF THE SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE OR
BECOME INEFFECTIVE, REPLACE IT PROMP7_Y.
3. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE
VOLUME FOR THE NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE. TAKE
CARE TO AVOID UNDERMINING THE FENCE 01,1RING CLEANOUT.
4. REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING
THE AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA
HAS BEEN PROPERLY STABILIZED.
TEMPORARY
'' NTS
A
L_
mi
Ain sly eTONE
A
W (SPILLWAY)
MIN 2/3
STREAM WIDTH
ST
STAKE SPACING 12' ON CENTER Q 1' BELOW LOWBANK
48" HIGH DENSITY ORANGE INSTALL AND MAINTAIN��J'
THREE CHECK DAMS PLAN VIEW C� Q
r i POLYETHYLENE SAFETY FENCE PLAN VIEW AT DOWNSTREAM p �t
ROJECT LIMIT
STAKES: 66" T -POST DRIVEN CLASS 1 STONE
;rte✓ �- ��� �� _� i / 18" BELOW GRADE \ SECTION A -A
VIRE OR ZIP TIES TO SECURE
AFETY FENCE TO POST
SPILLWA'°
CLASS 1 STONE
. 57 STONE
< ( FLOW
20' 20'- ----- -�-20' ~ SECTION B -B
MAINTENANCE NOTES
1. INSPECT CHECK DAMS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (1/2 INCH OR
cn ¢ GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY,
2. ANTICIPATE EROSION AROUND THE EDGED OF THE DAM, CORRECT ALL DAMAGE
o o IMMEDIATELY.
1 REMOVE SEDIMENTS BEHIND DAMS WHEN ACCUMULATION REACHES 12 INCHES.

1 EROSION CONTROL MATTING 2"
2 TS
EROSION CONTROL MATTING SHALL BE
PLACED IN 12 INCH DEEP TRENCH, STAKED,
BACKFILLED AND COMPACTED
TOP OF STREAMBANK
WOOD STAKE
TOE OF SLOPE
Lv
EROSION CONTROL MATTING SHALL BE
PLACED IN 12 INCH DEEP TRENCH, STAKED,
BACKFILLED AND COMPACTED TYPICAL TRENCH STAKE
BOTTOM OF CHANNEL
.T TRENCH THE WOOD STAKE SHALL BE THE NORTH AMERICAN
$TAKE WITH �! GREEN ECO -STAKE OR APPROVED EQUAL WITH THE
mAI.L - - FOLLOWING DIMENSIONS:
.2'. TRENCH
STAKE WITH
NAIL
LEG LENGTH
11.00 IN (27.94 CM)
HEAD WIDTH
1.25 IN (3.18 CM)
HEAD THICKNESS
0.40 IN (1.02 CM)
LEG WIDTH
0.60 IN (1.52 CM) (TAPERED TO POINT)
LEG THICKNESS
0.40 IN 1.02 CM
TOTAL LENGTH
12.00 IN (30.48 CM)
CROSS - SECTION
EROSION CONTROL MATTING NOTES
TRENCH
1.
BANKS SHALL BE SEEDED (PERMANENT & TEMPORARY) PRIOR TO PLACEMENT OF
TRENCH
-
MATTING.
®
TOP OF BANK
2.
WOODEN STAKES SHALL BE PLACED IN A DIAMOND SHAPE PATTERM PER THE PLAN VIEW.
TOP OF BANK
-- --
3.
TRENCH STAKES AND WOOD STAKES SHALL BE PLACED A MAXIMU61di DISTANCE APART OF T,
4.
EROSION CONTROL MATTING (RCM) SHOULD BE USED TO AID PERMANENT VEGETATED
WOOD STAKE
STABILIZATION OF SLOPES 2:1 OR GREATER AND WITH MORE THAN `10 FEET OF
VERTICAL RELIEF.
5.
RCM SHOULD BE USED WHEN MULCH CANNOT BE ADEQUATELY TAC1KED AND WHERE
IMMEDIATE GROUND COVER IS REQUIRED TO PREVENT EROSION DiA,MAGE.
6.
6" MINIMUM OVERLAP IN THE HORIZONTAL
TOE OF SLOPE--\
® 6 0
0
0 0
9 0
EROSION CONTROL MATTING MAINTENANCE NOTES
1.
INSPECT ECM AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (1 /2:'INCH OR GREATER)
-
--
- --
RAINFALL EVENT. REPAIR IMMEDIATELY.
{
2.
GOOD CONTACT WITH THE GROUND MUST BE MAINTAINED, AND EROSION MUST NOT
OCCUR BENEATH THE ECM.
3,
ANY AREAS OF THE ECM THAT ARE DAMAGED OR NOT IN CLOSE CONTACT WITH THE
EROSION CONTROL
PLAN VIEW
GROUND SHALL BE REPAIRED AND STAPLED.
MATTING TO BE EXTENDED
4.
IF EROSION OCCURS DUE TO POORLY CONTROLLED DRAINAGE, TH= PROBLEM SHALL
TO TRENCH AT TOE OF SLOPE
BE FIXED AND THE ERODED AREA PROTECTED.
5.
MONITOR AND REPAIR THE ECM AS NECESSARY UNTIL GROUND CO °+PIER IS ESTABLISHED.
Aftl LIVE STAKE
Iq_W NTS
SQUARE CUT TOI'
BUDS FACING UPWARC
LIVE CUTTING
0.5" - 2" DIA
ANGLE CUT TI
45 DEGRES
LIVE STAKE DETAIL
TOP OF
STREAMBANK
STAKES SHALL BE PLANTED &
INSTALLED FROM TOP OF BANK
TO TOE OF SLOPE
NOTES
30" IN LENGTH 1. STAKES SHALL BE CUT AND INSTALLED ON THE SAME DAY.
MINIMUM 2. STAKES THAT HAVE BEEN SPLIT SHALL BE REJECTED AND NOT USED FOR CONSTRUCTION.
3. STAKES SHALL BE INSTALLED WITH BUDS POINTING UPWARD.
4. STAKES SHALL BE INSTALLED PERPENDICULAR TO BANK.
5. STAKES SHALL BE 0.5"- 2" INCHES IN DIAMETER AND 30" IN LENGTH MINIMUM.
6. STAKES SHALL BE INSTALLED WITH APPROXIMATELY 3" OF STAKE REMAINING ABOVE GROUND.
7. STAKE SPACING SHALL BE 2' ON CENTER.
w
O
CL
B
Aft, ROCK VANE
1W NTS
APPROXIMATELY 33 STREAMBANK TIE -IN
v3 BOTTOM AT 1/2-3/4
�® WIDTH BANKFULL HEADER ROCK
FLOW
20 °-30° ,, FLOW o - - - - -- -`� _
4 -6 /o SLOPE _
STREAMBED ELEVATION
A BACKFILL (ON -SITE ALLUVIUM)
FOOTER ROCK
^� A ELEVATION POINT CLASSASTONE SCOUR POOL
�
NO GAPS CLASS 1 STONE
(EXCAVATED)
z BETWEEN PROFILE VIEW
m BOULDERS
N ��° ` \\
CLASS A STONE HEADER
,
A� 1j 1 ROCK
° STREAMBED
SCOUR , /� - - --
°7 BACKFILL (ON -SITE ALLUVIUM) �o _
� POOL
FILTER
- \ %` -SCOUR POOL EXCAVATED FABRIC
° (EXCAVATED)
°o r
PER DIRECTION OF ENGINEER 1' FOOTER
ROCK
CLASS 1
_SILL LENGTH[__ M1 STONE
6' PLAN VIEW
NOTE: SEE PLAN FOR SPECIFIC SECTION A _ A
VANE DIMENSIONS
NOTES FOR ALL VANE STRUCTURES:
1. BOULDERS MUST BE AT LEAST 3' x 3' x 2'.
n.la 2. INSTALL FILTER FABRIC FOR DRAINAGE BEGINNING AT THE MIDDLE OF THE HEADER
ROCKS AND EXTEND DOWNWARD TO THE DEPTH OF THE BOTTOM FOOTER ROCK, AND THEN
UPSTREAM TO A MINIMUM OF FIVE FEET.
3. DIG A TRENCH BELOW THE BED FOR FOOTER ROCKS AND PLACE FILL ON UPSTREAM
SIDE OF VANE ARM, BETWEEN THE ARM AND STREAMBANK.
4. START AT BANK AND PLACE FOOTER ROCKS FIRST AND THEN HEADER (TOP) ROCK.
5. CONTINUE WITH STRUCTURE, FOLLOWING ANGLE AND SLOPE SPECIFICATIONS.
6. AN EXTRA BOULDER CAN BE PLACED IN SCOUR POOL FOR HABITAT IMPROVEMENT.
7. USE CLASS 1 STONE TO FILL GAPS ON UPSTREAM SIDE OF BOULDERS, AND CLASS A
STONE TO FILL GAPS ON UPSTREAM SIDE OF CLASS 1 STONE,
8, AFTER ALL STONE HAS BEEN PLACED, FILL IN THE UPSTREAM SIDE OF THE STRUCTURE WITH
ON -SITE ALLUVIUM TO THE ELEVATION OF THE TOP OF THE HEADER ROCK,
;Du =\ OR OX. 3.3'
15� , fFi�l;s TO,' \/I
1 N! OF OF
I_'ra r4'
vn r ) 7
'n
<W b f
D, r�
,Y C
O v C
<
7/
GRADE CONTROL J-HOOK
WTs-
T...
,i,in Owi ,rXCAVA
"�'Rr_CTIOI�i OF ENGINEER
`. - _ � � n
-- iA P T .
' MIN,
V! DE ! I_ Li I/
I_O'v1r
S T',_'N E B C K F I i_ i_
- EOT�XIILE
TTONE G{ IK L
GE'TI'EX;1, L_ '=AB R I(C
ti` T i �l�, {� 41i J T.0 RG try kuGiNNiNG AT THE TOP OF THE HEADER ROCKS AND EXTEND
R:
'F OF T: � �F � � r � T F i UPSTREAM
i5'rifi ) 0 .E ) HE BuTT,� FOOTER ROC K, f ND l- N LIP �E v{ TO A
i j1N!,'v., J M 0 Cl J' , fa. 1hENCH 1 _�.:v !';-,r BED , OR T�0TER RIDCKS AND E_ACE i- L 0 L F ST„EAM 'SIDt_
'.1E ,Rf�.�1, ',1_ i'�v _EN TH:� %ARM AN c�R; EMBANK.
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R1 �! E i'1K A �J _"vyCc FOOTER ROC �r��T A��� THEN HEADER �, T�JP .�7Cr�.
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