20221128_Mine_Maps

DAL1' -�►- tK, .+r
`, ' .�,• �" -� ado F. gV/3�oo
f QCt • Uo0
` p,
o, r N Alt,
Active Mining Parcel -
( ) ;
Haul Road ParcelsIL
(119.50 ac.)
Mine Permit Area
(65.50 ac.)
Affected Area (37.74
Unaffected Area - .11 • " ;` 4� -�_ ,
(12.07 ac.) 3so0
Excavation Area
(34.61 ac.) -------- ` '.' `, � 1 ,• 9p0
1
Stockpile Areas (0.43 " y74,
" -- -•?�-�'
'ice- •�I�
Haul Roads 2.70 ac. t""
Local Roads _ � • � � -" r �� _ , � .� .0 ��,
Transport Road16
o o :� 9�►,� r f _,E ,� a' ' sf' /-� - - ., ;t'� ,� y4- .- � B .,r==
20' Contours *" • f �� , i� -
100' Contours � .. -
., Drainage Areas - o
(subwatershed) .;; -` :; t C✓ 4soo I�: .�
I Stormwater Outfalls ,aye• ' ''
Haywood Co. Parcels(2022)
- y � a;��' �• �-tom �' ,r *4,
100-Year Floodplain \� 00 - - r-y ,
�.
Silt Basins ;• !j =Y✓ -
`E'
ROW—Diversions
may` ¢ - / - �. •. , � ,1• tl r 1. Y_ _�,?,`- `,�- " _ _
Streamlines (LidAR
2007) ,.
Q 25'Buffer to Miner,
Area o° � r; . S . •%�� a. E,. �i 't _
- 50' Buffer to Lidar n _ _ '+; ►� kb �• `
t,,..,J $� ash f � - - �: •y' �.1 '� '� ��r' rI - ��. "��
Streamlines
U Stream Crossings4�' � .k'e.�• f'J�iff/,;.r, I! �--� �1 �a Y`�--�.` ;
0 500 1,000 2,000 US Feet N Mine Alap `
Permit Application - Bart's Place Aline
A November 28, 2022 EQUINOX

,.
D q A�P CROC KETT'DR DAVY o / x
CROC&ETT
p ` SPLEND�4
o � �1 x f• w A U �'°� D �o
I s O 9
Active Mining Parcel .ti �waw a�w a t
(758.40 ac.) 1� •. . <.� w : .. `` 'M ww
Haul Road Parcels �• - U�� ,e -. �"•tea. � P' •►�r �. a -.++J� �'.y: 4
4 Gate to remain to prevent
(119.50 ac.) unauthorized access
-- Mine Permit Area '�• ��v ,'��� _ -�`, + ��4. {~� �
(65.50 ac.) A �,•' . �� ,r•l1
Affected Area (37.74 y'
® aC.) /ago , ` `' ` , `� ,o .• r' �/ ✓ y '77
LI -.a�°���."` (• "� NYC '.1; �'"". •'.'� " -'` ���k�`
® Unaffected Area -
(12.07 ac.) JIA
Excavation Area 4 „ op
(34.61 ac.)
Stockpile Areas (0.43 .• R Gate to remain to prevent „•' _ r-_
%„^ ''► „ . , unauthorized access }
ac.) Transport Road&Haul Road to • c
F - be stabilized but kept open for i ^a
Haul Roads (2.70 ac.) + through-access into property;ESC
+1. measures to remain in place to
Local Roads » /. 'r control future storrmwater.
Transport Road F , xk �, + - - 4 t7r` ! •.
20 Contours `
100' Contours
Haywood Co. Parcels
(2022) Affected Areas have inward
i drainage(away from
100-Year Floodplaln watercourses)and will not need Excavations to be over
earthwork during reclamation. seeded with stabilizing
� Silt Basins :� g g
s �••.�,�
. ,� -,'• �. - vegetation and allowed to =:��' �'�'..- � `•����. �'
A ROW Diversions _ -- _ revegetate naturally with
! surrounding native seed " ,� r:
Streamlines (LidAR , �- �� -
�,00 sources. �`aM09V IN, •
2007) - Stockpiles to be
sloped for positive 4 a � , � 05-me
25' Buffer to Mine _ 9
,t drainage&seeded
Area �o{Gig` with native plants v ` `
O O
50' Buffer to Lidar
Streamlines -
X Stream Crossings
0 500 1,000 2,000 US Feet N Mine Reclamation Map M
Permit Application - Bart s Place Mine
November 28, 2022 EQUINOX

/Z
LEGEND EC MEASURES AND SEQUENCE (EXISTING DISTURBANCE) EQUINOX
/ 1. INSTALL PERIMETER MEASURES SUCH AS SILT FENCE AND CLEAN WATER DIVERSIONS. 37 Haywood St.
SYMBOL DESCRIPTION INDEX (ADJUST EXISTING SILT FENCE TO ADD A J-HOOK AT THE DOWN HILL SIDE) Suite 100
MUD MAT (15'X100') 2. INSTALL MUD MATS, INCLUDING THE CONSTRUCTION ENTRANCE. Asheville, NC 28801
2. INSTALL SEDIMENT TRAPS PER SEDIMENT TRAP SCHEDULE. t 828.253.6856
MUD MAT 2/L2.1 3. ADJUST GRADE ON HAUL ROAD SUCH THAT THE WHOLE OF THE ROAD IS IN-SLOPED WITH f 828.253.8256
/ THE EXCEPTION OF IDENTIFIED STORMWATER CROSSINGS.
B HOOKING SILT FENCE 2/L2 3 SEAL
BELOW ALL SILT FENCE 4. ADJUST IN-SLOPED SWALES TO MATCH EC DETAIL.
STAGING/STOCKPILE 5. INSTAL INLET PROTECTION, DITCH OUTFALL PROTECTION, AND PIPE OUTFALL PROTECTION.
ST 2 PIPE OUTFALL 5/1-2.0 5. INSTALL CHECK DAMS EVERY AS SHOWN ON PLAN.
® PROTECTION 6. MAINTAIN EC DEVICES AS IDENTIFIED IN DETAILS. `O
ST 1 I
PIPE N/A
PIPE INLET
PROTECTION 1/L2.0 EC MEASURES AND SEQUENCE (FUTURE HAUL ROAD DISTURBANCE)
DITCH OUTFACE
1. ROUGH GRADE ROAD WITH IN-SLOPE AT NO MORE THAN 15% LONGITUDINAL SLOPE. �52
3/1-2.1 2. INSTALL VEGETATIVE SWALE ON INSIDE OF ROAD. SEED PER SEEDING SCHEDULE
PROTECTION 3. INSTALL CHECK DAMS EVERY 50LF O
STOCKPILE LOCATIONS O 4. MAINTAIN EC DEVICES AS IDENTIFIED IN DETAILS.
TREATED BY ST 1 & ST 2 SEDIMENT TRAP 1/L2.1
PROPOSED EXTENTION OF WATER BAR 412.0
DESIGN BY: DRAWN BY: CHECKED BY:
CLEAN STORMWATER _ CLEAN WATER 612.0 ## ## ##
DIVERSION. SEE DETAIL 6/1-2.0 - DIVERSION
EXISTING CLEAN VEGETATED' SWALE 612.0 w
STORMWATER DIVERSION. Q
LEAVE AS IS (STABLE) ROCK CHECK 2/1-2.0
I
NOTE:
EROSION CONTROL MATTING (3-1-3.10) SHALL BE USED ON ALL CUT SLOPES
STEEPER THAN 3:1 AND ALL FILL SLOPES STEEPER THAN 4:1. FOR EC MATTING IN
SWALES, REFER TO THE SWALE SCHEDULE.
t
TEMPORARY SEEDING (1-1-3.12) SHALL BE APPLIED TO ALL DISTURBED AREAS
(OTHER THAN ROAD BED).
\ / HYDROSEEDING IS THE PREFERED METHOD FOR APPLYING SEED ON THE CUT
1 ; AND FILL SLOPES. APPLY SEED PRIOR TO LAYING MATTING.
HARDENED (STABILIZED) Sediment Trap ID Drainage Area (AQ Min. Volume Required Q"' Min. Surface Area Required Min. Required Depth Length/Width dimensions Notes
STONE BASE, TYP. 1 0.15 540.0 0.57 247.95 3.5' 25'/12' proposed trap for stockpile location
I 2 0.56 2016.0 1.96 852.60 3.5' 45'/20' existing to be amended
I
A 3 0.10 360.0 0.401 174.00 3.5' 25'/7' proposed; invert bermed seperator into narrow trap
OUTLET PROTECTION, TYP.;
P
ST 3 A SEE DETAIL CHART FOR SIZE 4 0.09 324.0 0.35 152.25 3.5' 18'/9' proposed on outside of road on nose of slope o
i 5 0.13 468.0 0.50 217.50 3.5' 22'/11' proposed on outside of road on nose of slope Ln
6 0.10 360.0 0.40 174.00 3.5' 20'/10' 1 proposed on outside of road and at sharp bend in the road
7 0.14 504.0 0.42 182.70 3.5' 20'/10' proposed on outside of road and at sharp bend in the road
I
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I
ST IS
ST 4 Q OP 2
�' --� ST 5 OP 3
Opi
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POTENTIAL
EXCAVATION AREA LU
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ST 7 c Z
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= O
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Copyright©2022,Equinox Environmental
Consultation&Design,Inc.
PHASE
DATE
December 7, 2022
DRAWING SCALE
AS SHOWN
NOTE:If this drawing is not 2406"it has been revised
from its original size and the scales noted on
drawings/details are no longer applicable.
DRAWING NAME
EROSI N
CON
•

NOTE:
GRAVEL & RIP RAP FILTER BERM 4,00 New
BASIN DETAIL IS DESIGNED TO SECTION THRU BASIN, FILTER AND CULVERT PIPE
PROTECT EXISTING PIPE INVERTS h%wl Wr
THAT DRAIN 10 ACRES OR LESS. RIP RAP HEADWALL
FLOOD STORAGE ZONE 3 _— - A 1.5' MIN. EQUINOX
DISTURBED AREA - 1 NATURAL GROUND I�
(CUT, FILL, ETC.) qk z PIPE INVERT =1I I= OI- 6" MIN.
STONE
III—I III --
37 Haywood
O FLOW Suite 100
— — - 1—fTT �l 7_I 1T T1T T_ — —
Asheville, NC 28801
SEDIMENT STO E
=I 11= I=1 III-III III-I -I 1-1 O =1 =I O 11=�111 I-1 t 828.253.6856
RAG -III 11 III—III =II -
1.5' MAX DEPTH — CLASS B RIP—RAP
(CLEAN OUT POINT) #57 WASHED STONE FILTER FABRIC TOP OF DITCH
(NATURAL GROUND) f 828.253.8256
A SEAL
_III—III=III-III=III := -III-III-III-_ CLASS B
=III=III=111=III=11I=1I . '•: .::;:;.::: '.:r::'.:"':.:, illl-III-III EROSION CONTROL 50'
III -III=1 I I=1 I I III=1 I I-III=1 :�-��: :. =1 I I III=1 I I III=1 I I-III I G I1
.�--1 11 _' =1 O
III-I 1-1 O 1-1 O 1 111-1 O 1 11 ..' : ..: -1 RIP RAP HEADWALL 111-1 O 1-1 O 1-I O ��
11 111-111 1 I-III-1 -11 I. AND CONTINUATION III 1 1-111-11 I III- 2 O�j00
_111=I 11=III-111 III III-III _ _
�' OF RIP RAP BERM III-III III-III III- AT ELATE
DISTURBED AREA WITH-1 O 1—,�.":,; y � � — 1= = = O I — I- R Q
-MAX SLOPE OF 2:1 III—II - II—III III=III-III III—III III—III III=1 FILTER FABRIC 1 O Q►
CUT, FILL,I ETC.) I-
1 1-I 1 1-1 O 1 1 O 1 1 1 111 111-111 III-III= SECTION A-A
11 1 I 1=1 I 1=1 11=1 11 I I- Flow t 11=1tr tl1 III-I 1I-
I F- 1117 I I�-1 I I — — — I -1�- 4�I 1=l I = I STONE SHOULD BE PLACED OVER THE CHANNEL BANKS TO KEEP WATER O
OSEDIMENT STORAGEI III—III III-1- - - - FROM CUTTING AROUND THE DAM. BASE OF DITCH S - OITCFI
—I —I —I 1=1 -1 11=1 -1 I-1 11=1 -1 I—III-1 1=1 SLOPE
�-
111=1 1=1 —III =i 1=1 1=1 11=1 I I 1=1 1=1 I 11= N •
=111=111 III=III :` =III I11=III-111=I I1=111 I1=III—III=III= INSPECTION AND MAINTENANCE: REMOVE SEDIMENT ONCE IT HAS REACHED 1/3 THE HEIGHT OF THE CHECK DAM.
-III=1 -III-I =1 I I-III-III-III-III-III-III-III=1 I �1 FILL LOW AREAS ALONG TOP OF BANK TO DESIGN BY: DRAWN BY: CHECKED BY:
'—_ -1 I I-
-1 III—III =1 1=I 1=1 1=1 —i
x ,. PREVENT BACKWATER FROM EXITING DITCH.
-111-1I11=11 1 ' ` ::`:: II— #57 WASHED STONE- 11—I I I ## ## ##
,
I-I 11=111=111-� ':.` .: ..,.•.:.:.;...:. .: :... . -111-111-III-111=1'
11=III-III-IIIUj
1=1 1=1 1=1 1=1 I- 101 1= PLAN SYMBOL
a
PLAN SYMBOL
000�0
1 PIPE INLET PROTECTION 2 ROCK CHECK DAM
L2.O NITS L2 O NTS
BURY THE TOP END OF THE MAT IN A TRENCH
w.� 4" OR MORE IN DEPTH. TAMP THE TRENCH FULL OF SOIL. NOTE: DOUBLE SIDED BIODEGRADABLE
SECURE WITH ROW OF STAPLES, 10" SPACING, 4" DOWN THE MOST O L EDGE OF
EROSION COONTNT ROL BLANKETS STRAW BLANKET (NORTH AMERICAN GREEN BIONET
O FROM THE TRENCH. OVERLAP END OF TOP STRIP 6" IS TO BE STAPLED 2' O.C. BLANKET), BIODEGRADABLE JUTE MATTING OR
�.W. AND STAPLE. EQUIVALENT
z
DIRECTION OF
Ln
WATER FLOW w
DOUBLE SIDED BIODEGRADABLE
STRAW BLANKET (NORTH AMERICAN GREEN BIONET
BLANKET), BIODEGRADABLE JUTE MATTING OR u
EQUIVALENT ��'v
TEMPORARY/ PERMANENT
SEEDING ON BANKS
WOOD/BIODEGRADABLE STAPLES COMPACTED SOIL 2'
PERMANENT SEED MIX � , ,I, ` .091" DIA. OR LARGER: U SHAPED
6" LEGS OR APPROVED EQUAL
I/ STAPLES PER EROSION \\\\\\\\\\\ \\ \\ \\ �� FLOW
VA/VA/VA/VA/VA/VA/VA/VA/VA/VA/VA/�A
101. / �/ CONTROL MATTING SPECIFICATIONS) 6" MIN.
AGO OVERLAP STAPLES IN ALTERNATING /\j/AAj/AAj/AAjAAOAAOAAOAAOAAOAAOAAOAAOAAOAAOA�jA 18
MATTING TUCKED AT EDGE AND STAPLEDVVVV//V//V//V//V//V//V//V//V//V//V//V//V PATTERN +/-5'APART
1-1/2 1 THROUGH FOLD TO SECURE
��
ALLOW 3" OVERLAP
4 STAPLES IN ROW ALONG END -
BETWEEN PARALLEL STRIPS AND ALONG EDGE OF SWALE CHANNEL
BOTH SIDES 6' TYP.
DITCH APPLICATION HILLSIDE APPLICATION w
PLAN SYMBOL
r3 _
EROSION CONTROL MATTING r4 "
WATER BAR z
L2.0 NTS
L2.O NTS
W
U
� Q
� J
0
La TIE TO EXISTING GRADE z
EROSION CONTROL BLANKET FOR SLOPES v ,
STEEPER THAN 4:1 AND FOR USE IN NEW 0
= o
DIVERSION DITCH u
o
W= D + La PIPE OUTF CLASS RIP RAP La
D OP 1 CLASS A 6' 0Zriz-
M
3xD OP 2 CLASS A 6'
OP 3 CLASS A 6' \
1 \ \ CopyrigEquinox
SHw`DER Connsulltation&Design,Environmental
2 \ PHASE
3•� 3�
1.5 x Dmax DATE
12" FLAT December T 2022
BOTTOM
DRAWING SCALE
FILTER FABRIC PLAN SYMBOL NOTES:
AS SHOWN
1. FOR NEWLY CUT CLEAN WATER DIVERSION DITCH, USE EC BLANKET (SEE 312.1) NOTE:If this drawing is not 24x36"it has been revised
2. SEED SWALE/DITCH PER SEEDING SCHEDULE L2.2 from its original size and the scales noted on
D = PIPE DIA. IN INCHES SIDE SLOPES SHALL BE 3:1 MAXIMUM. drawings/details are no longer applicable.
Dmax= MAXIMUM STONE SIZE (1.5 x d50) DRAWING NAME
PLAN SYMBOL EROSION
CONTROL
5 PIPE OUTFALL PROTECTION 6 VEGETATED SWALE / CLEAN WATER DIVERSION DITCH DETAILS
L2.O NTS L2.0 NTS

SEDIMENT TRAP PLAN VIEW SECTION A - A
DESIGN SETTLED
TOP OF DAM 1.5-FT. MIN. OVERFILL
F-0- B STONE APRON 0.5- FT. FOR ego 0 C�epOO EQUINOX
SETTLEMENT
WEIR o
A o 0 0 T_ A WIDTH ° °ep°0 C�°e�e0 � 37 Haywood St.
o� �� 1.5-FT. rno ��d` Suite 100
5-FT. MAX. g 4S� 1T1'2:1 OR COMPACTED EARTH
0 °og0 FLATTER
3.5-FT. FILL AND ROCK Asheville NC 28801
MAX. t 828.253.6856
11 o 11oCo # 0
NATURAL f 828.253.8256
3-FT. GROUND B
B NON-WOVEN MINIMU SEAL
W R A P RAP OUTLET GEOTEXTILE
FABRIC 1:1 SIDE SLOPE OR
AS SHOWN FLATTER
CRUSHED AGGREGATE GREATER �O
THAN 3" BUT SMALLER THAN 6"
SECTION B - B � J
AS HOWN TRAP VOLUME 1-FT. THICK LAYER FILTER FABRIC
1-INCH D50 WASHED STONE 5-FT EXTEND STONE APRON �52
BAFFLES (3) CLEAN OUT STAKE MINIMUM
TO STABLE OUTLET ORIGINAL GRADE
FLOW 2:1 1.5 FT. O 0 00 �O0o0 oO0o0 O
2:1
"V" Volume
° o o ° j
FT. MAX. FILL
A
° o ° o o " DESIGN BY: DRAWN BY: CHECKED BY:
12 MIN, UNLESS OTHERWISE
RIPRAP OUTLET NON-WOVEN GEOTEXTILE FABRIC SPECIFIED BY A SOILS ENGINEER ## ## ##
SURFACE AREA 12-INCH D50 SECTION B - B
w
INSTALLATION:
1. STABILIZED CONSTRUCTION ENTRANCES SHOULD BE USED AT ALL POINTS WHERE TRAFFIC WILL EGRESS/INGRESS
A CONSTRUCTION SITE ONTO A PUBLIC ROAD OR ANY IMPERVIOUS SURFACE, SUCH AS A PARKING LOT.
GENERAL NOTES 2. INSTALL A NON-WOVEN GEOTEXTILE FABRIC PRIOR TO PLACING ANY STONE.
3. INSTALL A CULVERT PIPE ACROSS THE ENTRANCE WHERE NEEDED TO PROVIDE POSITIVE DRAINAGE.
1. Sediment traps should not be placed in Waters of the State or USGS blue-line streams (unless 4. LIMESTONE MAY NOT BE USED FOR THE STONE PAD.
approved by Federal Authorities).
2. The rock outlet structure shall consist of 12-inch D50 riprap. The upstream face of this outlet INSPECTION AND MAINTENANCE:
shall consist of a 1-foot thick layer of 1-inch D50 washed stone. The maximum steepness of the 1. INSPECT THE CONSTRUCTION ENTRANCE AT LEAST ONCE PER CALENDAR WEEK. CHECK FOR MUD AND SEDIMENT
rock outlet structure shall be 2:1. BUILDUP AND PAD INTEGRITY. INSPECTIONS MAY BE NEEDED TO BE MORE FREQUENT DURING LONG PERIODS OF
WET WEATHER.
3. Both the rock outlet and the stone apron shall have an underlying layer of non-woven 2. THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION THAT WILL PREVENT TRACKING OR FLOWING OF SEDIMENT
geotextile filter fabric. ONTO PUBLIC RIGHT-OF-WAYS. THIS MAY REQUIRE TOP DRESSING, REPAIR AND/OR CLEAN OUT OF ANY
MEASURES USED TO TRAP SEDIMENT.
4. All internal side slopes of the sediment trap should be 2.5:1 or flatter. 4. WHEN NECESSARY, WHEELS SHALL BE CLEANED PRIOR TO ENTRANCE ONTO PUBLIC RIGHT-OF-WAY,
Extend 9 gauge wire to basin sid�eorinstallT Nposttoanchw 5. IMMEDIATELY REMOVE ANY MUD OR SEDIMENT TRACKED ONTO ADJACENT IMPERVIOUS SURFACES BY BRUSHING OR
DraPet3dIli41712t1fi]IoYerwirestrandand SWEEPING. FLUSHING SHOULD ONLY BE USED WHEN THE WATER IS DIRECTED TO A SEDIMENT TRAP OR BASIN. z
5. A sediment cleanout stake should be installed and marked to remove sediment at 50% of the wure with lasticties at posts,and onwireevery 12• ba(tleta srdeofbasrn and securetaverticalpost o
sediment storage volume. 6. REMOVE CONSTRUCTION ENTRANCE ONLY AFTER THE SITE HAS REACHED FINAL STABILIZATION. PERMANENT Ln
max. VEGETATION VEGETATION SHOULD REPLACE AREAS WHERE THE CONSTRUCTION ENTRANCE HAS BEEN REMOVED UNLESS THE
7. After construction of each sediment trap,the area disturbed to construct the trap should be AREA WILL BE CONVERTED TO AN IMPERVIOUS SURFACE TO SERVE POST-CONSTRUCTION.
PLAN SYMBOL
promptly stabilized, including all side slopes. 9QWeMif►High
8. All sides of trap shall be matted and seeded. Tension ffiire5trand TMIN" $ Variable Depth
Shal I Be Secured
9. The followingsediment trap requirements shall be maintained: To Past To Support � 2 MUD MAT
p q Witte Material Secure bottom of baffle to ground with L2.1 NTS
12'staples at I r mm aimurn spacing.
- Maximum embankment height shall be 5-feet. same lA+>,atefial
- Maximum riprap outlet height shall be 3.5-feet.
- Minimum flow length at top of riprap outlet shall be 5-feet. I3afAeMaterial
STRAW WATTLE
ANCHOR TO GRADE
If the temporary scodiment basin will'be 1 I Gauge
converted to a permanent stormwater basin Landscaping Staple
INSPECTION AND MAINTENANCE of greater depth,the baffle height should be
NOTCH
1. The key to a functional sediment trap is weekly inspections, routine maintenance and regular as@ n t e pooII depth during useasa I - �
sediment removal.
----------------------------
Peth DITCH OU ,
2. Attention to sediment accumulations within the trap is extremely important. Accumulated NtaWinstallthree(3)coirfllberbafiflesin basins � "��. TFALL
sediment deposition should be continually monitored in the trap and removed when at drainageoudef with a spacing of 14the w
necessary. basin Iength.Twa(2)crsrfiber baffles can be Baffle material should be sesuredxa the bottrxra
ry• installed in the basins less than 10 ft.in length
Wltlt a sPardr►9 off 13 the basin length. and sides of basin using 12'landscape sta Ales
3. Remove accumulated sediment when it reaches 50% of the designed
sediment storage volume as marked by the cleanout stake. 2 -
4. Removed sediment from the trap shall be placed in stockpile storage areas or spread thinly EXTEND EROSION CONTROL BLANKET UJI
across the disturbed area. Stabilize the removed sediment after it is relocated. 10' BEYOND OUTLET PROTECTION OR WHERE U
DITCH MEETS ANOTHER LINER MATERIAL
5. Regular inspections of sediment traps should be conducted once every calendar week and, as PLAN VIEW o, J
recommended and within 24-hours after each rainfall event that produces '/2-inch or more of o
precipitation. V) u
co z
6. Disturbed areas resulting from the removal of the sediment trap should be permanently PLAN SYMBOL U
stabilized and additional BMPs, such as silt fence, should be utilized to handle stormwater -
runoff from this disturbed area until final stabilization is reached. _ °
U
1"WASHED STONE FILTER STRAW WATTLE -a
s= �
cB O
� O
0
NOTCHED WEIR _ 9"MIN. 5 FT. O in 4 ca
-- - MAX. 2 4 2
2
1 SEDIMENT TRAP 1
L2.1 NTS
\ Copyright©2022,Equinox Environmental
Consultation&Design,Inc.
r r'
'A A
PHASE
I II II I
DITCH OUTFALL -
RIP RAP ####
EROSION CONTROL BLANKET
CROSS SECTION DATE
December 7, 2022
DRAWING SCALE
INSPECTION AND MAINTENANCE: REMOVE SEDIMENT ONCE IT HAS REACHED 1/3 THE HEIGHT OF THE NOTCHED WEIR. AS SHOWN
NOTE:If this drawing is not 2406"it has been revised
from its original size and the scales noted on
drawings/details are no longer applicable.
DRAWING NAME
PLAN SYMBOL EROSION
CONTROL
D ETAI LS
3 DITCH OUTLET PROTECTION
L2.1 NTS
L291

NOTES:
Seeding Specifications:
1. SEE PLANTING & REVEGETATION SPECIFICATIONS (THIS SHEET) FOR MORE
INFORMATION ON SEED APPLICATION AND ESTABLISHMENT. Permanent seed mixes should be applied at the time of temporary seeding and must be applied prior to the installation of erosion control matting. For erosion control along cut and fill EQUINOX
2. CONTRACTOR TO KEEP RECORD OF SEED PURCHASE AND APPLICATIONRATES FOR FINAL INSPECTION (BAGS& RECEIPTS). slopes use erosion control matting, flexterra, or hydroseeding.
3. GROUND STABILIZATION REQUIRED IN (7)SEVEN DAYS ON PERIMETER 37 Haywood St.
AREAS AND SLOPES GREATER THAN 3:1,AND GROUND STABILIZATION IN (14) Suite 100
DAYS ON OTHER AREAS Drill seeding is the preferred seeding technique. If slopes do not allow for safe application of drill seeding than broadcast seed or hydroseed. If hydroseeding apply seed mix with 500 lbs. Asheville, NC 28801
per/acre of hydro mulch with seed and then apply second coat of hydro mulch at 1,000Ibs. per/acre as a top coat. t828.253.6856
TEMPORARY SEEDING SCHEDULE PERMANENT SEEDING SCHEDULE f 828.253.8256
TEMPORARY SEEDING MUST OCCUR WHEN DENUDED AREAS WILL NOT BE PERMANENT SEEDING MUST OCCUR WITHIN 14 CALENDAR DAYS OF FINAL GRADING. SEAL
BROUGHT TO FINAL GRADE WITHIN 7 CALENDAR DAYS(SEE NOTE 3 ABOVE). COVER CROPS (TEMPORARY SEEDING)TO BE ADDED TO PERMANENT SEEDING MIXES IF NO Permanent seed mixes shall only be applied in the spring or the fall.
TEMPORARY SEEDING HAS BEEN PLACED PREVIOUSLY.
SEEDING MIXTURE:
SPECIES RATE(LB/ACRE) PERMANENT SEEDING MIXES: RATE(LB/ACRE) If the permanent seed mix cannot be applied within 10 days of finish grading or after spring or fall, a temporary cover crop seeding can be applied but all existing vegetation must be O�
Of GERMAN MILLET 40 "STEEP SLOPES MIX" (ERNMX#310): 50 ��
g PARTRIDGE PEA 10 "NC MOUNTAIN UPLAND MEADOW MIX" (ERNMX#303): 30 removed from the areas to be seeded prior to the application of the permanent seed mixes and the soil must be prepared. Ilk
75 "RIGHT-OF-WAY NATIVE WOODS MIX" ERNMX#132-1 : 30
A small-stemmed sudangrass may be substituted for Partridge Pea at a rate of 50 ( ) O
co lb/acre. • "Steep Slopes Mix" seeding to be applied to all cut and fill slopes steeper than 3:1
SEEDING DATES: May 15-Aug 15 • "Mountain Meadow Mix" seeding to be applied in all all roadside and ditch conditions where Prepare cut and fill slopes so there is good seed to soil contact add 1/8"-1/4" layer of stockpiled topsoil whenever possible. 52
SEEDING MIXTURE: part to full sun. O
z SPECIES RATE (LB/ACRE) • "Woodland Mix" seeding to be applied in all roadside and ditch conditions in art to full '� ��
ANNUAL(WINTER)RYE GRASS 60 g pp p For areas with slopes less than 3:1, cover the seed 1/8 -1/4 deep with topsoil (stockpiled topsoil from the site) by dragging with a spring-tooth harrow or by firmly pressing seed into the
W (n PARTRIDGE PEA 10 shade. soil with a cultipacker or lawn roller.
Lu
• The seed mixes above are available at ERNST CONSERVATION SEEDS (800.873.3321).
Z W A small-stemmed sudangrass may be substituted for Partridge Pea at a rate of Local sources of similar seed mix may be used (to be approved by Landscape Architect)
50 lb/acre. DESIGN BY: DRAWN BY: CHECKED BY:
SEEDING DATES: Feb 1-May 15 For areas with slopes steeper than 3:1, final tracking should be perpendicular to the slope to retain seeds and moisture. Incorporate topsoil (stockpiled) into the soil in a manner that will ## ## ##
SOIL AMENDMENTS: Physically or chemically treat all exotic invasive plants before amending soil. Apply leave the soil rough and minimize erosion.
SEEDING MIXTURE: lime and fertilizer according to soil tests or apply 4,000 lb/acre ground agricultural limestone and 1,000
SPECIES RATE (LB/ACRE) lb/acre 5-10-10 fertilizer. uj
ANNUAL(WINTER)RYE GRASS 60
PARTRIDGE PEA 10 SOIL PREPARATION: Soil impacted by construction must be loosened prior to seeding by means of disking Apply erosion control matting, mulch with straw or hydromulch to protect the seed immediately after seeding to keep the seeds from drying out or washing away
< or raking. Seedbed shall be well-pulvarized, loose, and uniform. All stones larger than three(3)inches,
A small-stemmed sudangrass may be substituted for Partridge Pea at a rate of 50 lb/acre. sticks, roots, and other extraneous materials shall be removed. Apply seed uniformly with a cyclon seeder, Add lime and fertilizer only where no topsoil remains or where topsoil cannot be reapplied due to slope.
drop-type spreader, drill or hydro-seeder. Cover broadcast seed by lightly raking,then firm surface with
SEEDING DATES:Aug 15-Dec 30 roller or cultipacker. Cut or disc temporary seeding cover crop prior to seeding.
SOIL AMENDMENTS: SEED PREPARATION: SEED MIXES:
Follow recommendation of soil tests. Use only amendments safe for riparian areas. If banks exceed 4:1, apply seed, lime, and apply mulch. "STEEP SLOPES MIX" (ERNMX 310)- FOR ALL SLOPES STEEPER THAN 3:1
MULCH: MULCH: "INC MOUNTAIN UPLAND MEADOW MIX" (ERNMX 303)- FOR ALL OTHER DISTURBED CONDITIONS IN PART TO FULL SUN, INCLUDING ROADSIDES, DITCHES, AND SWALES
Of Apply 4,000 lb/acre straw. Anchor straw by tacking. Apply 4,000-5,000 lb/acre grain straw or equivalent cover of another suitable,weed-free mulching material.
Lu Use a spray-on growth (mulch) matrix(Flexterr;PFGM or equal)for slope embankments that exceed 3:1 "RIGHT-OF-WAY NATIVE WOODLAND MIX" (ERNMX 132-1) - FOR ALL OTHER DISTURBED CONDITIONS IN PART TO FULL SHADE
w MAINTENANCE: slopes.
O Refertilize if growth is not fully adequate. Topdress with 50 lb/acre of nitrogen in March (if
applicable). If it is necessary to extend temporary cover beyond June 15th overseed with MAINTENANCE:
mixes provided. Reseed, re-fertilize and mulch immediately following erosion or other Mow or cut back no more than once a year. Refertilize in the second year unless growth is fully adequate.
damage. Reseed,fertilize, and mulch damaged areas immediately.Weed during first 2 years of establishment. Seed mixes from Ernst conservation seeds [phone] www. Ernstseed.com
r_1 SEEDING SCHEDULE o
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L2.2 NTS w
10'ROCK CHECK EVERY 50-100'ALONG SILT FENCE AS
SHOWN ON PLAN AND IN AREAS OF CONCENTRATED FLOW.
\ USE CLASS B RIP RAP LINED WITH#57 STONE ON FLOW
SIDE
INSTALLATION:
\ ! _ 1. SILT FENCES SHALL BE PLACED ON SLOPE CONTOURS TO MAXIMIZE PONDING EFFICIENCY.
2. INSTALL MINIMUM 10'(OR GREATER AS SPECIFIED ON PLANS)CHECKS(TIE-BACKS)AT END TO UJI
r TYp PREVENT FLOWS FROM BY-PASSING SILT FENCE,AND EVERY 50'-100 WHERE SILT FENCE IS
INSTALLED WITH SLOPE AND CONCENTRATED FLOWS ARE EXPECTED ALONG FENCE. Z
M
NS�T ��IjM�M 3. SILT FENCE SLURRY FLOW RATE TO BE 0.3 GPM/FT 2,LESS THAN THE CLEAR WATER FLOW RATE OF
10 GPM/FT2
� .
MN� INSPECTION AND MAINTENANCE: (TYP.)
WIRE-BACKED `
� �M END OF ROW:TURN UP SILT 1. INSPECT AND REPAIR SILT FENCE AT LEAST ONCE EVERY CALENDAR WEEK..
MIRAFI 100X SILT FENCE FABRICFENCE AT ENSURE 2.
THE SILT FENCE. UJI
(OR ENGINEERING APPROVED APPROPRIATE TROAPPING OF 3. REMIOVED MENT SEDAMENT SHALSHLL BEOL BOE DEPOSWHENIITED TO AN AREA THAIS 1/3 THE HEIGHTOT WILL NOT CONTRIBUTE SEDIMENT SILT FENCE
EQUAL-SEE NOTE#3) \ \\�\\\\\/\ SEDIMENT OFF-SITE AND CAN BE PERMANENTLY STABILIZED. (SEE DETAIL) t ,
i\�\ ALSO APPROPRIATE FOR 4. UPON PROJECT COMPLETION,THE SILT FENCE SHALL BE REMOVED AND HAULED OFF-SITE.ANY 1= I=III=I I1=I I1=III=I I1=III=ITI=ITI=III= 1-
J-HOOKING SILT FENCE ALONG DEPOSITED SEDIMENT SHALL BE PROPERLY GRADED AND SEEDED.
phc \\\\j�\/�\/\\ ROW TO SLOW WATER -�1-
\ 1= -1 -
�I II l I
�I - SOLSEDIMENT
�J N°oBACKFILLTRENCH STOCKPILE AREA
WITH
_v ,EARTH z
4_0
ISOMETRIC VIEW II II=1i ITI '-IIIIIIIII `� o
3 FT.MINIMUM SPACING -'' =11 2 U
HEAVY DUTY PLASTIC TIES _,-_„-_„-_„-_„-_„-,;, ;-_„-_„-_„-_„-_„-_
(EVENLY SPACED,RESTRICTED 1.25 LB./LF STEEL POST 5 FT.MAXIMUM SPACING
ORIGINAL GROUND SURFACE O
TO TOP 8 INCHES OF FABRIC) � /� O
NOTE: FILTER FABRIC O in 4:t
TYPE S(SENSITVE)FENCE � _
REQUIRES WOVEN WIRE COMPACTED o SILT FENCE NOTES:
FENCE OR ALTERNATE EARTH F
BACKING RUNOFF Co RUNOFF 1. SILT FENCE TO EXTEND AROUND ENTIRE PERIMETER OF STOCKPILE,OR IF STOCKPILE AREA IS
---------- LOCATED ON/NEAR A SLOPE THE SILT FENCE IS TO EXTEND ALONG CONTOURS OF THE copyright©2022,Equinox Environmental
DOWN-GRADI ENT AREA. Consultation&Design,Inc.
PHASE
2 STOCKPILE ONTEDAINFOR MORE THAN 14 DAYS,TEMPORARY STABILIZATION MEASURES
MUST BEMPLEME ####
BURY AT LEAST 12 INCHES / `V \'�\\i� �\
OF FILTER FABRIC 3. SILT FENCE SHALL BE MAINTAINED UNTIL STOCKPILE AREA HAS EITHER BEEN REMOVED OR DATE
PERMANENTLY STABILIZED.
PLAN SYMBOL December 7, 2022
TRENCH DETAIL DOUBLE ROW OF SILT FENCE 4. THE KEY TO FUNCTIONAL TEMPORARY STOCKPILE AREAS IS WEEKLY INSPECTIONS,ROUTINE
MAINTENANCE,AND REGULAR SEDIMENT REMOVAL(SEE INSPECTION AND MAINTENANCE NOTES DRAWING SCALE
FROM SILT FENCE DETAIL). AS SHOWN
r2 "
REINFORCED SILT FENCE r3 '
SOIL/DIRT STOCKPILE NOTE:Ifthis drawing is not 2406"it has been revised
L2 2 NTS L2 2 NTS from its original size and the scaleps noted on
drawings/details are no longer a applicable.
DRAWING NAME
EROSION
CONTROL
D ETAI LS
L293