20221117_Mine_Map

TICK BITE MINE
P CIA P RMIT
5265 TICK BITE ROAD
LENOIR COUNTY , NORTH CAROLINA
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TICK BITE ROAD
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SITE
SHEET INDEX
C1 COVER SHEET � "F�S�R,V�R
C VE C UNTY
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C2 OVERALL MINE LAYOUT PLAN _
C3 MINE LAYOUT PLAN
C4 MINE MAP SITE DEVELOPER/OWNER
LOCATION MAP o VALENTINE AMUSEMENT PARK, INC.
C5 RECLAMATION PLAN SCALE: NTS
1500 SUNDAY DR. SUITE 300
C6 RECLAMATION PLAN - OVERBURDEN #1 & #2 RALEIGH, NC, 27607
CONTACT: MELTON "SKIP" VALENTINE
C7 RECLAMATION PLAN - OVERBURDEN #3 & #4 PHONE: [phone]
C8 EROSION CONTROL NOTES
C9 NCG01 PERMIT NOTES
NOVEMBER 2022
C10-12 EROSION CONTROL DETAILS
C13-14 EROSION CONTROL CALCULATIONS
C15 DRAINAGE MAPS RAFTING AND DESIGN
SERVICES, INC. HILLM�4
ENGINEERING, PLL C
6728 Carbonton Road 3417 Winterwind Circle, Sanford, NC 27330
PO Box 249, Sanford, NC 27331
Sanford, North Carolina 27330 Phone: [phone]
919 499-8759 hone e-mail:[e-mail]
p NC License #: P-0836
draftinganddesignCymail.com
AGENCY REVIEW ONLY
NOT FOR CONSTRUCTION
project no. 2022-15

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RAFTING AND DESIGN O
SERVICES, INC.
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Sanford, North Carolina 27330
[phone] phone
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ENGINEERING, PLL C
3417 Wintenaind Circle,Sanford,NC 27330
PO Box 249,Sanford,NC 27331
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e-mail:[e-mail]
NC License#:P-0836
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FLOOD WAY(TYP
PER FIRM MAP
ENTRANCE PAD
� TICK
BITE ROAD
+ +
+ +
IL ++*+ + + + + +
+ + + + + + +
+ + + + +
+*+ + + + + + +*+*+* 30'WIDE ++++- /
+ + + + + + + + + + + + + + + MINE ENTRANCE * 30'x100' �(
*+* + + + + + ++++++++*+*+*+*+*+*+ + + + + + + +++ W/GATE *** CONSTRUCTION
+++ + + + ++++++++++++++++++++ + + + + + +++ ++*
+++ + ++++++++++ + + + + + +*+ FUEL TANK LOCATIO +*+ ENTRANCE PROFESSIONAL ENGINEER'S SEAL
+ . . . . . . + +
+ + + + + + ++++++++++++++++++++ + + + ++*+ + + + + W/SECONDARY CONTAINMENT *+*
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + `
. . . . . .*.*.*+ + + + + + + + ++*+*+*+*+*+*+*+*+*+*+*+*+*+ + + + + + + + +*
+ + + + + + +*+*+*+*+`+`+`+*++++ + + + + + + + + + + + + + ++*+*+*+*+*+*+*+*+*+*+*+*+*+ + + + + + + + *+*
W + + + + + . . . . . . . + + + + AFFECTED AREA(TYP) + + + . . . . . . . . . . . + + + + + + + + + + 1
* y + + + + + + +. .+.+.+.+.+.+.+.++ . . . . + + + + + + + + + ++++++++++++++++++ .+.+.+.+.++
+ + + + + + + + + + + + + + + 134.5AC+/- + + + + + + + +
W + . . . . . . . . . . + + + + + + V R VEGETATIVE BERM(TYP)
+ . . . . . . . . + + + + + + U
W W + + + + + + + + + + + + + + + + D
+ + + + + + + + + + + + + + H=6.25FT
*+*+*+*+ ;+++++++ + + + + + + + +*+*+ + + 0'6A
W + + + + . . . . . . . + W=50FT(AT BASE)
W *+*+ ++ +++ . . .+*+*+*+ +
SIDE SLOPES=3:1
+ + + + + + + +
W + + + + + + PIT + + +
+ + + + + +
y +*+ + 30'WIDE HAUL *+* *+* 0.75 AC + +*+*+ +
* W *+*+ ROAD(TYP) SCALE HOUSE/SCALES(TYP +++ +++ . .. . . . .
+ + + + + + + + + + + +
*+
WSTORMWATER OUTFALL#2 * PIT#1
+ + + + + + + + + + + + +
W N:584708.7966 + + 102.2AC + + + + + + + + + + + + + + + /� y -
+ + + + + + + + + + + + + + + +
+ + + + + + + + + + + + +
W E:2465306.1331 + + + + + + + + + + + + W W W * W y \
+ + + + + + + + + + +
W LAT:N35.3465 * * * * * .
+ + + + s Z
+ W LONG:W77.4395 *+*+ + +* + + ' / W W W W W W W W W W + + W W W W W W + W y W W W W W W W W \ LU
+ + + + + +
Z+ + + + +
! 30'WIDE BERM BREAK W W W + W W W W W \ y W Q
HAUL ROAD(TYP) "' y "" W "' + "" "" � � J
-\W + + W W EX. PIT# W W
W + + SIDE SLOPES=3:1 B EX. PIT#2 y V
+ W W W W y WASTE WATER OUTFALL#1° *+* + + +++ 1.1 AC ' L Q
+ N:584125.6738 +++ * *`+`+*+*+++ *+* / W
+++ + ++++++++ + ++++ +++ W Q
+ E:2465653.9176 + ++++ + ++++ +*+* 0 jSam woo
+ y W + W y W ` LU 0
LAT: N35.3449 + + + + + + + + + + + + + + + + + + + + + + W O
LONG:W77.4384 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
y 4 4 4 + + + + + + + + + + + 4
+ W W + W + W y I 4 4 4 4 4 4 4 4 + + + + + + + + 4 4 + +*f + 4 4 4 4 4 + W W W w W ✓ w W W 4 + + 4 4 4 4 4 4 4 + 4 4 4 4
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4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
W W W *+*
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OV URDEN 1+*+ + +*+
I + *+ + y yWyWWWyWWW � WyWWWyWWW � WWWWW + yWW + WW WWWyWy W WWw C *+* + . . - �. STORMWATER OUTFACE#2
+ + + + + + +++ m 11 H W
+ + + + + + + +*+ /+ N:584127.9069
+ + + + + + + +
I + + + + + + W ywWWyWWW � WyWWWyWWW � WyWWWyWWW � Wy WWWWWW W W _ W Z
+ + + ++++++++ + * �w E:2469059.5472 7
+ + + + + �� CAT:N35.3448 EX. PIT#4 Z
LONG:W77.4270 5
'
+ + + + + + w w w w 50'MIN UNDISTURBED VEGETATIVE BUFFER(TYP
30'WIDE BERM BREA Q ~ O
+ LOODWAY(TYP)PER FIRM MAP
K + + + + + w w � w � w w w _ _
+ + + + + + + O'WIDEBERMBREAK•
HAUL ROAD(TYP) +*+*+*+*+* * ' HAUL ROAD(TYP) w w W w W w w + w w
++ + ' �. + �. y • WWyW yW + W
�y + � WASTE WATER OUTFACE#2 �
' / �• �• +• �• �• �• �• �• W �� WETLANDS(TYP) N:583497.4430
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1. AC ' W W * + W " W "' W . . � E:2470813.9158LL1 Z
* * / CAT:N35.3430 W
W W W + J• W W �j
1 f// LONG:W77.4211 IL J
W W W W W W ERMIT/PROPERTY BOUNDARY(TYP)
W + W W + PER LENOIR COUNTY GIS
W W y W W W W W W W W W y W W W + W 1,210AC+/-
+ W + W W
W W J• W W W W W W W W + W W W W W W W W W W W + W W W W W /
+ yyWWyWWW � WyyWWy WW REVISIONS
OPERTY
OUNDARY(TYP)
30.0' ITGAT (TYP) o
o' o + + N
+ +
+ + 1 CONCRETE ENTRANCE APRON(TYP)
+ + +
+ + + 0'UNDISTURBED O
+ + VEGETATIVE BUFFER(TYP)
a
+ + 3
+ a
+ +
+ a
+ +
+ + PROPOSED MINING AREAS
SCA E + GENERAL NOTES:
c
+ + + C? C.SIGN 1. STREAM AND WETLAND LOCATIONS ARE PER LENOIR COUNTY GIS DATA AND PREVIOUS APPROVED PIT #1 102.2 AC
MINE PLANS FROM EXPIRED MINE PERMIT,PREPARED BY MCKIM&CREED ENGINEERING. o
S ALE HOU E/OFFIC q 2. EXISTING TOPO PER LENOIR COUNTY GIS DATA.
T T 3. BOUNDARY SURVEY PER LENOIR COUNTY GIS DATA. PIT #2 0.75 AC LEGEND cm
AGENCY REVIEW ONLY N
HANDICAP R MP(�FYP I 4. AREAS WITHIN FLOODWAY NOT TO BE DEVELOPED IN FUTURE PHASES. NOT FOR CONSTRUCTION
.0' 5. SITE TO BE RECLAMATED TO MEET THE NCDEQ MINE PERMIT RECLAMATION BOND REQUIREMENTS. U
24.0' 6. AS PART OF THE NCDEQ MINE PERMIT THE OWNER IS REQUIRED TO BOND THE RECLAMATION OF OVERBURDEN AREA 4.7 AC PERMIT BOUNDARY.
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+ + + TU+N DC S+DEW+ALK(+YP THE AFFECTED AREA OF PROJECT BASED ON THE STATE MINING PROGRAM REQUIRED AMOUNTS.
+ + + + + + + + 7. A PROPOSED 50 FOOT MINIMUM UNDISTURBED BUFFER WITH AN ADDITIONAL 50 FT WIDE x 6.25 FT
+ + + + + + + + HIGH VEGETATED BERM FOR A TOTAL OF 100 FOOT MINIMUM BUFFER WILL BE MAINTAINED BETWEEN UNDISTURBED BUFFER 1,075.5 AC WETLAND W W Scale: Drawn by:
+ + THE EXCAVATION AND PLANT SITE AREAS AND ANY ADJOINING PROPERTY BOUNDARY AND MDK g
WETLANDS. OTHER MISC. AREA 26.9 AC O PROPOSED PIT 1"=250'
+ + 8. THERE ARE FEMA FLOODPLAINS CONTAINED ON THIS SITE PER FIRM PANEL: (BERMS, TEMP. DIVERSIONS, ETC.) Sheet: Designed by:
3720456800L PANEL 4568,3720457800L PANEL 4578,EFFECTIVE DATE APR. 16,2013.
""""", MDK
+ + + + + + TOTAL PROJECT AREA 1,210 AC
+ + + + + + + + = BUFFER+ +
+ + + + + + + + + +
Reviewed by: to
INSET "AllAFFECTED AREA C3 of 15 JE" N
250 0 125 250 500 *+*+*+*+*+*+*+*+* N
TYPICAL SITE ENTRANCE & SCALE HOUSE/OFFICE W/PARKING BERM Project Number: Date: N
ID
SCALE: 1"=80'
DDS JOB#: 2022-15 NOV 2022
SCALE: 1" = 250'

EROSION CONTROL LEGEND NOTES: PROPOSED BASIN TABLE
DISTURBED AREAS RAFTING AND DESIGN
1. PROPOSED PERMANENT BERM SHALL BE CONSTRUCTED TO ENCOMPASS EXCAVATION AREA THROUGHOUT BASIN ID TOP BOTTOM POOL TOP BOTTOM VOLUME VOLUME WEIR WEIR WIER RISER BARREL RISER SKIMMER SKIMMER BAFFLES O
EACH STAGE AS PER THE PROPERTY/WETLANDS BOUNDARY VEGETATIVE BUFFER/BERM CROSS-SECTION DIM DIM DEPTH EL. EL. REQUIRED PROPOSED LENGTH DEPTH LINING SIZE SIZE BASE ORIFICE SIZE
TOP OF BERM SB#1 105x210 55x110 5 20.0 14.0 19,296 CF 51,250 CF 12 2 A NA NA NA NA NA NA TAILINGS/SEDIMENT PONDS 4.4 AC SERVICES, INC.
BELOW. SB#2 180x360 130x260 5 20.0 14.0 70,776 CF 212,500 CF 45 2 A NA NA NA NA NA NA (AREAS INCLUDED IN MINE EXCAVATION)
SEDIMENT BASIN 2. ALL EXCAVATION ADJACENT TO JURISDICTIONAL WETLANDS WILL BE BUFFERED WITH A 50'WIDE UNDISTURBED SB#3 140x280 90x180 5 20.0 14.0 39,762 CF 112,500 CF 30 2 A NA NA NA NA NA NA
WIER BUFFER AND A 50 FT WIDE x 6.25 FT HIGH VEGETATIVE BERM AS PER THE PROPERTY/WETLANDS BOUNDARY SB#4 180x360 130x260 5 20.0 14.0 72,954 CF 212,500 CF 50 2 A NA NA NA NA NA NA 6728 Carbonton Road
VEGETATIVE BUFFER/BERM CROSS-SECTION BELOW. STOCKPILES 3.0 AC
3. AREAS WITHIN FLOODWAY NOT TO BE DEVELOPED IN FUTURE PHASES. Sanford, North Carolina 27330
4. STREAM AND WETLAND LOCATIONS ARE PER LENOIR COUNTY GIS DATA AND PREVIOUS APPROVED MINE PLANS SB-SEDIMENT BASIN (AREAS INCLUDED IN MINE EXCAVATION) [phone] phone
ROCK CHECK DAMS FROM EXPIRED MINE PERMIT,PREPARED BY MCKIM&CREED ENGINEERING. STABILIZEAND SEED ALL SLOPES IMMEDIATELY
EMERGENCY SPILLWAY TO BE CONSTRUCTED IN CUT ONLY draftinganddesignC�ymail.com
SEE DETAIL CROSS-SECTION FOR ELEVATIONS OVERBURDEN 6.5 AC
SILT FENCE SF
PROPOSED DIVERSION TABLE PROCESSING AREA/HAUL ROADS 3.0 AC
TEMPORARY DIVERSION DITCH
CHANNEL ID CHANNEL SLOPE SIDE SLOPES CHANNEL DEPTH BOTTOM WIDTH TEMPORARY LINING PERMANENT LINING LINING DEPTH MINE EXCAVATION 103.0 AC H/LL•Ig.R _
TD#1 0.8% 3:1 1.5 FT 0.0 NAG S75BN BERMUDAGRASS -
TD#2 0.1 % 3:1 2.5 FT 0.0 NAG S75BN BERMUDAGRASS - ENGINEERING, PLLC
OUTLET PROTECTION TD#3 0.1 % 3:1 2.5 FT 0.0 NAG S75BN BERMUDAGRASS
TD#4 0.4% 3:1 2.0 FT 0.0 NAG S75BN BERMUDAGRASS OTHER MISC EXCAVATION 22.0 AC 3417 Win
Box2d Circle, Sanford,7331 NC 0
TD#5 0.3% 3:1 2.0 FT 0.0 NAG S75BN BERMUDAGRASS - (BERMS, DIVERSIONS, ETC.) PO Box249,Sanford, NC27331
352-2834
TD#6 0.2% 3:1 2.0 FT 5.0 NAG S75BN BERMUDAGRASS - Phone:(919)
e-mail:[e-mail]
J-HOOK W/SILT FENCE OUTLET TD#7 0.1 % 3:1 2.0 FT 10.0 NAG S75BN BERMUDAGRASS - NC License#:P-0836
TD#8 0.01 % 3:1 2.5 FT 10.0 NAG S75BN BERMUDAGRASS - TOTAL AFFECTED AREA 134.5 AC
TD#9 0.1 % 3:1 2.0 FT 10.0 NAG S75BN BERMUDAGRASS -
SILT FENCE OUTLET ® TD#10 0.1 % 3:1 2.0 FT 0.0 NAG S75BN BERMUDAGRASS -
INSTALL CHECK DAMS IN CHANNELS WITH STRAW W/NETTING INTERNAL DRAINAGE = 109.8 AC
EXTERNAL DRAINAGE= 24.7 AC
/
� I �
FLOOD WAY(TYP
I PER FIRM MAP
30'x100'
CONCRETE
-- - - - - - ENTRANCE PAD
TICK BITE ROAD
+++ + +++++++++++++++ + � I � :+' PROFESSIONAL ENGINEER'S SEAL
.'. .' . . . . . .'. 30'WID ++ + ++
+ + + +++++'+ ++++++++++++ + ++'+ MINE ENTRANCE ++ 30'x100'
+++++++++.+.+.+.+.++ . . . . . ++ F+ ++
+ + + . . . . . . . . . . . . W/GATE + + CONSTRUCTION
I FUEL TANK LOCATIO ENTRANCE
I W/SECONDARY CONTAINMENT
W TD#7 AFFECTED AREA(TYP)
SB#
+ W W NO OUTLET SB# 134.5 AC+/- V
W NO OUTLET OCK ENTRANCE RgUR VEGETATIVE BERM(TYP)
W * * * CLASS A RIP RAP O.6q D H=6.25 FT
TD#2 d=12" W=50FT(AT BASE)
J W W J W -
W MATCH CHANNEL WIDTH ****+*+++ SIDE SLOPES=3:1
W W OCK ENTRANCE
CLASS A RIP RAP PIT#2
W + W W W d=12" 30'WIDE HAUL 0.75 AC
W W W W MATCH CHANNEL WIDTH ROAD(TYP) % j SCALE HOUSE/SCALES(TYP Q
+ + W W W w
W W W W W z
W W W W T2
EMPORARY EMERGENCY �TD#9 _ - � ^ W W W J
W W W W WSTORMWATER OUTFALL#2 SPILLWAY(TYP) PIT#1 ** * * 0
W W W N:584708.7966 /��� TD#5 102.2 AC ROCK ENTRANC �/ W W W
W W W E:2465306.1331 Il CLASS A RIP RAP YL ++++ I LU 12
LAT:N35.3465 TD#4 d=12" TD#10 ++++ s W W W W W W W W Q
W + W LONG:W77.4395 TD#1 �� TD#6 ��� MATCH CHANNEL WIDTH W W W W W W W W W W W W W W W \
W W W
W W W W W W W W W W � W W
W W W W W W W VEGETATIVE BERM(TYP + +*+* 0'WIDE BERM BREAK W WWWWWWWWWWWWW W F CC
H=6.25 FT HAUL ROAD(TYP) W W W G
W W W W W W W W W=50FT(AT BASE) OVERBURDEN#3 l W - W W WWW EX. PIT# W W
SIDE SLOPES=3:1 EX. PIT#2
W W W W W W WASTE WATER OUTFACE#1 SB# 1.1 AC W
/ W
W W W W W W N:584125.6738 NO OUTLET + OCK ENTRANCE �+ + W W + W �' i F Z
E:2465653.9176 CLASS A RIP RAP TD#8 m �" -
+ + ,. T
LAT: N35.3449 d=12'
LONG:W77.4384 MATCH CHANNEL WIDTH /\++++ + WWW WWW W W WWW W W W m
TD#3 _ - -
_ _ - _ NO OUTLET - Wi . WWW WWWWWWWWWWWWWWW
_OVERBURDEN#1+*+ ++- \ _ + ++++++++++ +++ + +++++- - ,�✓W W F O
1. ACNJ
� ++� +� \STORMWATER OUTFALL#2 MERGENCY - - W �� W W W W W + W W W W W W + W WWW WW1 v
TEMPORARY EMERGENCY �++ + + �-(TYP) ��f� + / E:2469059.5472 SPILLWAY(TYP) w�
SPILLWAY TYP �� - W W W W + W W WWW W + W W . W W I li
- LAT:N35.3448 / -- - � W W W W W W W W W EX. PIT#4
c � LONG:W77.4270 / + W W W W W 0
50'MIN UNDISTURBED VEGETATIVE BUFFER(TYP i W W W W W W W W LU Z
30'WIDE BERM BREAK LOODWAY(TYP) W W W W
HAUL ROAD TYP 30'WIDE BERM BREAK / W • W W W W W W W W W W W W W • W�W � PER FIRM MAP W W W W W
(TYP) HAUL ROAD(TYP) W IW J
WASTE WATER OUTFALL#2/
OVERBURDEN 2 / WETLANDS(TYP) W-W 1 N:583497.4430
/ E:2470813.9158
1. AC
- -� �WWWWWWWWWWWWWW�W � / LAT:N35.3430�`
LONG077.4211
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iW � WWWWWWW � ' � � � . WWWWWWWWWWWWWWy . WWy . W . WWy . WWy . W . WWy . W . . /
W W W W W W W W W ERMIT/PROPERTYBOUNDA YP) / W WWWyWWWyWWWWWyWWW W W W W W W W WyWWWyWWWWWyWWWy�W W I
PER LENOIR COUNTY GIS
WWWWWWWWWWW W W W �� 1,210 AC+/ / _W ----------- . W W W W W W W W W W W WWWWWWWWWWWWW -
W
REVISIONS
2:1 MAX SIDE SLOPES(TYP)
WWWWWWWWWWWWW . WWWWWWWWWWW .,. � // // // /
W WWWWWWWWW WWW W W W W�Wi W W W . WWWWWWWWWWWWWWW ////jj//j%//j///%//// /////j�
50'UNDISTURBED BUFFER(TYP)
LEGEND
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DOUBLE ROW SILT FENCE ALONG WETLANDS (TYP) INSTALLATION CONSTRUCTION SEQUENCE MINING ACTIVITY = PERMIT BOUNDARY
1. REMOVE ALL TREES, BRUSH -_-_-_ -_ -_ -_-III-III-III-III-III-III-III-III-III=1 = I-III-III-III-III-III-III-III-III-III-III-I -- ai
SITE ENTRANCE(PREVIOUSLY INSTALLED) =III=III=III=III=III=III = = = = = =I =I =I Imo- I- - - -III I = = = = = = = = = = = =I =I =I EXISTING CONTOUR p
1. INSTALL SILT FENCE BELOW ALL DISTURBED AREAS WITH SILT FENCE OUTLETS PER PLAN. -III=III=III=III=III= =III=III=III=III=III=III=III=III=1 1=1 1= 1= III=III=III=III=III=III=III=III=III= -SLOPE TOWARDS PIT =I I=III=I = - - - - - - _ _ =I I I=I I =I I I-I I I-I I I-I I I-I I I-I I I-I I I-I I I-I I I- -
2. MAINTAIN SILT FENCE AND SILT FENCE OUTLETS DOWNSTREAM UNTIL TEMPORARY/PERMANENT LINING,AND GOOD GROUND COVER a
WETLAND W W W W
ON FILL SLOPES IS ESTABLISHED. W W W W W
SILTFENCE(TYP)WETLAND BOUNDARY(TYP) a
H=SEE PLAN EROSION CONTROL BUFFER
3 1. CLEAR AND GRUB PIT AREA ENSURING POSITIVE DRAINAGE TO SEDIMENT BASINS a
2. STABILIZE AND SEED ALL SLOPES IMMEDIATELY. SF SF $F $F $F SF AFFECTED AREA
3. INSTALL PERMANENT BERM AROUND PITS.
WETLANDS 50'BOTTOMWIDTH PIT 4. MAINTAIN POSITIIVE DRAINAGE TO PITS.
5. REMOVE OVERBURDEN AND PLACE IN OVERBURDEN AREA. CREEK
6. INSTALL SILT FENCE PER PLAN BELOW ALL PERMANENT/TEMPORARY DIVERSIONS AND BASIN/TRAPS W/SILT FENCE OUTLETS IN LOW -
AREAS PER PLAN. (n
7. INSTALL SEDIMENT BASINS PER PLAN.STABILIZE AND SEED ALL SLOPES IMMEDIATELY. 2 FT SAFETY BERM(TYP) -' BERM °'
NOTE
1. SEE PLAN SHEET FOR WIDTH HEIGHT DETERMINED BY SIDE SLOPES. 8. INSTALL TEMPORARY DIVERSIONS.STABILIZE AND SEED ALL SLOPES IMMEDIATELY.ONLY CLEAR AS NECESSARY TO INSTALL
2. WIDTH INDICATED ON PLAN IS BOTTOM WIDTH.
DIVERSIONS.MAINTAIN SILT FENCE AND SILT FENCE OUTLETS DOWN STREAM UNTIL TEMPORARY/PERMANENT LINING,AND GOOD
3. SEED PER TEMPORARY/PERMANENT SEEDING SCHEDULE. GROUND COVER ON FILL SLOPES IS ESTABLISHED. POND AGENCY REVIEW ONLY17
(N
4. NATURAL VOLUNTEER VEGETATION SHALL REMAIN. 9. ONCE BERMS ARE COMPLETE AROUND EXCAVATION AREA AND ARE STABILIZED AND SEEDED. MAINTAIN SILT FENCE UNTIL THIS TOPSOIL STOCKPILE(TYP) N
5. BERM ENDS SHALL BE 4:1 SLOPES LIKE SIDE SLOPES. ACHIEVED. MAINTAIN ALL DOWNSTREAM DIVERSIONS AND SILT FENCE UNTIL GOOD GROUND COVER IS ESTABLISHED. PROVIDE BREAK IN W NOT FOR CONSTRUCTION
6. SLOPES SHALL BE TRACKED WITH A DOZER DURING CONSTRUCTION BERM AT BASIN EMERGENCY SPILLWAYS DURING INITIAL PHASES OF CONSTRUCTION. T z
TO AID IN THE ESTABLISHMENT OF VEGETATIVE COVER. 10. ONCE GOOD GROUND COVER IS ESTABLISHED AND NO RUTTING OF SLOPES IS OCCURRING REMOVE ALL EROSION CONTROL MEASURES o
7. ALL EXPOSED AREA SHALL BE STABILIZED BY ESTABLISHING WHILE MAINTAINING SILT FENCE ON DOWNSTREAM SIDE. m
PERENNIAL VEGETATIVE COVER. 11. DEWATER ALL SKIMMER/SEDIMENT BASINS FOR MAINTENANCE AND REMOVAL WITH SILT BAG PER DETAIL, IF NEEDED. J
12. MAINTAIN SILT FENCE AFTER MAJOR RAIN EVENTS. NOTES: Scale: Drawn by: c
MAINTENANCE 13. STABILIZE AND SEED ALL DENUDED AREAS IN WHICH WORK WILL NOT RECOMMENCE WITHIN 7 WORKING DAYS OR 14 CALENDAR DAYS. �S -is -is �S -is �S Z 1 =200' MDK
1. INSPECT ALL PERIMETER BERMS ONCE A WEEK AND AFTER EVERY STABLIZE AND SEED ALL SLOPES PER NCDEQ STANDARDS i
MINING X Sheet: Designed by:
RAINFALL. IMMEDIATELY REPAIR ERODED SLOPES, RESTORE 1. BEGIN MINING ACTIVITIES. FOR TIME FRAMES FOR DENUDED SLOPES MDK j
ERODED SLOPES TO THEIR ORIGINAL CONDITION AS SHOWN ON
THIS DETAIL AND RE-ESTABLISH VEGETATION. 2. AS EXCAVATION AREA IS EXPANDED POSITIVE DRAINAGE TO BE MAINTAINED TO EXCAVATION PIT.
3. ONCE BASINS ARE TWO TIMES THE ORIGINAL SIZE, REMOVE SPILLWAY AND CLOSE BERM. INSTALL SILT FENCE PER SILT FENCE DETAIL Reviewed by: o
4. TEMPORARY SEED STOCKPILE AREAS THAT WILL BE DENUDED FOR 30 DAYS OR MORE. C� Of 15 WETLANDS BOUNDARY VEGETATIVE 5. MAINTAIN ALL EROSION CONTROL DEVICES WEEKLY AND AFTER MAJOR STORM EVENTS. JEH N
BUFFER/BERM CROSS-SECTION STOCKPILE AREA (TYP) 200 0 10o zoo 40o Project Number: Date: N
NTS NTS
SCALE: 1" - 200' DDS JOB#: 2022-15 NOV 2022

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LEGEND o
PERMIT BOUNDARY a
NOTES:
a
1. EXISTING TOPO IS STATE LIDAR FROM LENOIR COUNTY GIS DATA. EXISTING CONTOUR E
2. AS PART OF THE NCDEQ MINE PERMIT THE OWNER IS REQUIRED TO BOND THE RECLAMATION OF THE TOTAL a
PROJECT BASED ON THE STATE MINING PROGRAM REQUIRED AMOUNTS. PROPOSED BUFFER g
a�
c
DISTURBED AREAS g BERM s AFFECTED AREA
1 1 °'
TAILINGS/SEDIMENT PONDS 4.4 AC CREEK
— — — — —
(AREAS INCLUDED IN MINE EXCAVATION) PROPOSED MINING AREAS —11=III=III=III=III=III=III=III=III=III=III=III— WATER LEVEL(APPROX.) o
=111=III=III—ITI—ITI—I�I—I�I—I�1=1�1=1�1=1�
I I1=1I I—III—III—III—I I1=1I1=1I1=1I1=1I1=1I1=1I1=1I1=1I1=1I1=1I— 3
Illllllllllllllllllllllllb�' 6�L/b�% fi31112�'EIIIIIIIIIIIIIIIIIIIII— 1 NOTES: BERM +++++*+++++++++++ 17
=1 1=1 1=1 1=1 —I I1=1 I1=1 I11 I11 I11 I11 I11 I11 I1=1 1=1 1=1 1=ITI=� AGENCY REVIEW ONLY c�
—III=III=III=III=III=III=III=III=III=III=III=III=III=III=III=III=III=III=III— 3:1 MAX SLOPE ABOVE WATER LINE o
STOCKPILES 3.0 AC 1�1=1�1=1�1=ITI=ITI=1�— —1�1=ITI=ITI—ICI—ICI—ICI-1�1=1�1— — —II= NOT FOR CONSTRUCTION
(AREAS INCLUDED IN MINE EXCAVATION) PIT #1 102.2 AC -�� ii�ii%ii�iii/ii�� Tl ���i���i������/��///
// / /// /// ,// /// /// / / / / 3:1 MAX SLOPE BELOW WATER LINE AT MIN 20' POND
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OVERBURDEN 6.5 AC ,;,///,/i/,i,�i/,,/i/;i///ii/;////i/i//i/� i�/
PIT #2 0.75 AC
/ / /j///////,/j//////,/j,/////// ALL DENUDED AREAS ABOVE WATER LINE TO 'I
j BE VEGETATED PER SECTION 919 QUARRY OF Scale: Drawn by: Iv
PROCESSING AREA/HAUL ROADS 3.0 AC OVERBURDEN AREA 6.5 AC ;i;;%;ii;;%;;� i;;ii;;// ZONING ORDINANCE. 1"=200' MDK
MINIMUM POND DEPTH-4.0' Z
MINE EXCAVATION 103.0 AC .♦ MDK
Sheet: Designed by:
UNDISTURBED BUFFER 1,036.1 AC
T_�
Reviewed by: N
OTHER MISC EXCAVATION 22.0 AC OTHER MISC. AREA 49.9 AC PIT SIDE WALL RECLAMATION (TYP
(BERMS, DIVERSIONS, ETC.) (BERMS, TEMP. DIVERSIONS,ETC.) C5 of 15
JEH N
200 0 100 200 400
INTERNAL DRAINAGE = 109.8 AC NTS Project Number: Date: N
TOTAL AFFECTED AREA 134.5 AC TOTAL PROJECT AREA 1,210 AC EXTERNAL DRAINAGE= 24.7 AC
HORIZONTAL SCALE: 1" = 200'
DDS JOB#: 2022-15 NOV 2022

Table 6.32a Maximum Drainage Pipe Diameter Hy,
Size of Slope Drain Area per Pipe(acres) (inches) RAFTING AND DESIGN
0.50 12 11 X
0.75 15
1.00 18 SERVICES, INC.
>1.00* as designed
*Inlet design becomes more complex beyond this size. + + 6728 Carbonton Road
4 + Sanford, North Carolina 27330
Diversion rn I n Island over inlet ZI S J S J S J S I S I S - [phone] phone
Dike + +
A [e-mail]
% 1.5' min S F SF SIF
Hold-down stakes.. 7SF +
-J -n X\I/ +
If I I HIP LL Cn
10' spacing illk�� Inlet ffE +
fl if
Y>< -4 i(EERIA(G, PLL C
\ " 7-7 3417 Winterwind Circle, Sanford,NC 27330
Plastic X + + PO Box 249,Sanford, NC 27331
Cn X >< y
Corrugated n \I Phone:[phone]
) > + -4 e-mail:[e-mail]
'FrL pipe 6� W
-n + + NC License#:P-0836
Top of X X\
hand-compacted R STABILIZE
AND SEED /K / \ I
fill(island) K X X > 4 SEDIMENT BASIN#5
Top of 4'rnin V I + +
outlet diversion -n X
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A 0-1 x ><
Cn
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Cn
ground'A 1 m X
X/ \K \></ +
X
4 ,' min Diversion \< < + 4
level section channel Cn X X > I
Cn
Figure 632a Cross section of temporary slope drain.
Maintenance Inspect the slope drain and supporting diversion after every rainfall, and X X1 X K
promptly make necessary repairs. When the protected area has been +
permanently stabilized, temporary measures may be removed, materials +
disposed of properly,and all disturbed areas stabilized appropriately. -n Ile >
77 + PROFESSIONAL ENGINEER'S SEAL
STABILIZE AND SEED EACH SLOPE AND BENCH ILL Cn
BELOW FILL ONCE EACH 10FT LIFT IS MET < n
SLOPE DRAIN INSTALLATION (TYP) y N
W
n 06
i S AS AS + +
10 FT WIDE BENCH(TYP) S SF SF SF SF + +
EVERY 1 OFT OF FILL
1+ + U)
3:1 SLOPE(TYP) + + <
U-1
+ +
TEMPORARY SLOPE DRAINS(TYP)
150 FT SPACING+/- W +
LOWER BENCH DRAINS MAYBE I
REMOVED AS SLOPE IS STABILIZED + + Z
Z0
OVERBURDEN #1 RECLAMATION PLAN UJ 12
SCALE- 1"=50'
L
4 X
UJ 0
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+ + + + + I- Z
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mJ 2 n
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2%SLOPE 2%SLOPE -is U) <
3 3 + +
EXISTING GROUND 1 1 1 _J
ILL"' I U)
41—I I F=1 I — — — — — — — 10.0'BEN SEED FOLLOWING (n _n
I EVERY 10'VERTICAL FILL -n
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LIFMl If=1,11 1=1 I.....
2%SLOPE Li_ LL-
STABILIZE AND SEED (J)
EXISTINGLIND DIVERSION DITCH/BERM
-n
SOIL -n
III 3
NATURAL (A (A
01 111 11
NOTES:
U) REVISIONS
1. ALL DENUDED AREAS LEFT INACTIVE BETWEEN PERIODS OF GRADING Cf) -n
ACTIVITY SHALL BE TEMPORARILY SEEDED WITH IN 15 WORKINGS DAYS n
OR 30 CALENDAR DAYS,SHICHIEVER IS SHORTER.SEE SEEDING
SCHEDULE IN DETAILS. LL
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THE RECLAMATION PLAN).
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WASTE PILE RECLAMATION (TYP)
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PERMIT BOUNDARY 10 FT WIDE BENCH(TYP) AGENCY REVIEW ONLY N
ROCKCHECKDAMS c\j
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NOT FOR CONSTRUCTION
SILT FENCE SF EXISTING CONTOUR
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SILT FENCE OUTLET
c\j
POND Project Number: Date: N.
HORIZONTAL SCALE: 1" =40' IDIDS JOB#: 2022-15 NOV 2022

Table 5.32a Maximum Drainage Pipe Diameter
Size of Slope Drain Area per Pipe(acres) (inches) + + +
RAFTING AND DESIGN O
+ + + +
1.00 18. 15 + + + + SERVICES, INC.
>1.00" as designed
*Inlet design becomes more complex beyond this size. + + + + /
� + + + + + 5� 6728 Carbonton Road
F Sanford, North Carolina 27330
Diversion min �I Island over inlet �/ + + + + + sF [phone] phone
Dike I{,.-•-,::.:: : , )� A
[e-mail]
3:1 1.5' min /� + + + + SF ��C
Hold-dawn stakes
+ sF /
_ j• 1 =[ill-1l sF
� —1 Inlet
AfEft=l10' spacing + + sFI— I ENGINEERING PLL C
3417 Winterwind Circle, Sanford,NC 27330
Plastic c� �. I \
PO Box 249,Sanford, NC 27331
corrugated f ff I F / Phone:[phone]
e-mail:jhilliard@hilliardengineer ing.compipe +
NC License#:P-0836
{ I I Top of
r 'r i I I I hand-compacted + + W 1 \
III fill(island) +
Stabilize Top of 4'min —;� + LL -n
outlet+ 1� diversion
_ ► ;, 0.5 min
Natural + + STABILIZE AND SEED
ground y 1 min 1 5 rrdn I 3:1 + +
flr�lfill��i�= = -
�in�Illll=illfl= r.._,:._ •r r ` : _. + +
Diversion — ` ` —
I� 4 ' min �I —— i �'' " -n
channel
level section ,-- — — ——— — — — —
Figure 6.32a Cross section of temporary slope drain. + +
Maintenance Inspect the slope drain and supporting diversion after every rainfall, and +
promptly make necessary repairs. When the protected area has been STABILIZE AND SEED EACH SLOPE AND BENCH
permanently stabilized, temporary measures may be removed, materials + + �s —BELOW FILL ONCE EACH 1OFT LIFT IS MET
disposed of properly,and all disturbed areas stabilized appropriately. + PROFESSIONAL ENGINEER'S SEAL
+ + �s �F
SLOPE DRAIN INSTALLATION (TYP) + + +
+ + + + �S /S�F 10 FT WIDE BENCH(TYP) Nt
+ + + + EVERY 10FT OF FILL 06
— �F = ISISF S�F/ 3:1 SLOPE(TYP)
SEDIMENT BASIN#4 a
TEMPORARY SLOPE DRAINS(TYP)
150 SPACING+/- W
LOWER
R BENCH DRAINS MAYBE
REMOVED AS SLOPE IS STABILIZED
Z
W z
W
Z � ° o
OVERBURDEN #3 RECLAMATION PLAN W a �
SCALE: 1"=50'
V
a =
WW o � >
FZca O
m � >. z
Z Q
ys mJ v n J
ys � lllllllll� � z
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ys W Z Q
LLI
SEED WHEN FILLING IS SUSPENDED
2/SLOPE 2%SLOPE
3 3
EXISTING GROUND
ILL✓�� V III=III=III=1I— — to.o'BENCH TYP U
EVERY 10'VERTICAL FILL SEED FOLLOWING SF ys
III—III—III—I — —III-I —I —�
-Ill, JJ1 JJ1 JJI�VIL -�= 2%SLOPE CONSTRUCTION
1-111- 11-1I I� I 11-1I—I 11=1I 1=1I I \ \
SF
EXISTING GROU DIVERSION DITCH/BERM
N \ SF
I f f=ttr=RD
iTiITII -I -' SOIL \ SF
NATURAL L SF
A
LL
"I=III—III— I' 1- —III—I ND nNOTES:
REVISIONS
1. ALL DENUDED AREAS LEFT INACTIVE BETWEEN PERIODS OF GRADING
ACTIVITY SHALL BE TEMPORARILY SEEDED WITH IN 15 WORKINGS DAYS STABILIZE AND SEED
OR 30 CALENDAR DAYS,SHICHEVER IS SHORTER.SEE SEEDING
SCHEDULE IN DETAILS.
2. OVERBURDEN PILE TO BE CONSTRUCTED AND STABILIZED FROM
BOTTOM PER ABOVE DETAIL AS FILLED.ONCE FINAL LIFT IS REACHED
THE LOWER SLOPES AND BENCHES SHALL BE COMPLETED(MEETING ` SF
THE RECLAMATION PLAN). N
SF �
3. FOR FINAL STABILIZATION OF FILL SLOPES,GRADE TO 3:1 SLOPE, + + + + \ co
COVER WITH TOPSOIL,SEED AND MULCH. + + + + + SF U7
m
+ + + + +
WASTE PILE RECLAMATION (TYP) + + + + + SF
NTS + + + + + S %)
+ + + S� a
EROSION CONTROL LEGEND
TOP OF BERM + + + g
\ c
SEDIMENT BASIN STABILIZE AND SEED EACH SLOPE AND BENCH Q,
WIER LEGEND BELOW FILL ONCE EACH 1OFT LIFT IS MET17
+ + + s� j
ROCK CHECK DAMS - PERMIT BOUNDARY 10 FT WIDE BENCH(TYP) + + + + AGENCY REVIEW ONLY o
+ + EVERY 10FT OF FILL + + + + + � NOT FOR CONSTRUCTION
EXISTING CONTOUR z
SILT FENCE SF + + + + + + + +
3:1 SLOPE(TYP) + o
PROPOSED BUFFER W W W W + + + + + + + - /
TEMPORARY DIVERSION DITCH W W W W W + + + + + TEMPORARY SLOPE DRAIN) Scale: Drawn by: Q)
150 FT SPACING+/- \ MDK
AFFECTED AREA + — ����S��t LOWER BENCH DRAINS MAYBE \ Z 1 =40
OUTLET PROTECTION REMOVED AS SLOPE IS STABILIZED \� G .
_3S— � � Sheet: Designed by: m
MDK
CREEK —
=
LO
J-HOOK W/SILT FENCE OUTLET BERM OVERBURDEN #4 RECLAMATION PLAN Reviewed by: o
SCALE: 1"=50' 40 0 20 40 80 C7 of 15 JE" N
SILT FENCE OUTLET
POND Project Number: Date: N
HORIZONTAL SCALE: 1" =40' DDS JOB#: 2022-15 NOV 2022

MAINTENANCE PLAN TEMPORARY SEEDING PERMANENT SEEDING RAFTING AND DESIGN O
SERVICES, INC.
THE OPERATOR IS RESPONSIBLE FOR MAINTAINING EROSION CONTROL DEVICES THROUGHOUT THE PROJECT DURATION. PROVIDE TEMPORARY SEEDING TO ALL DENUDED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE WITHIN THE FOLLOWING SCHEDULE: SEE SEEDING SCHEDULE FOR SEED TYPE AND RATE.
ALL EROSION AND SEDIMENT CONTROL DEVICES SHALL BE CHECKED FOR STABILITY AND OPERATION FOLLOWING EVERY RUNOFF-PRODUCING PROVIDE PERMANENT SEEDING TO ALL DENUDED AREAS THAT WILL NOT BE COVERED BY PAVING,BUILDINGS,OR OTHER LANDSCAPING. AREAS 6728 Carbonton Road
PERMANENT DITCHES > IMMEDIATELY(ROCK LINED)RAINFALL BUT IN NO CASE LESS THAN ONCE EVERY WEEK. ANY NEEDED REPAIRS SHALL BE MADE IMMEDIATELY TO MAINTAIN ALL DEVICES AS SLOPES 4:1 OR STEEPER--> 7 DAYS RECEIVING PERMANENT VEGETATION MUST BE STABILIZED WITHIN THE FOLLOWING TIMEFRAMES AFTER FINAL GRADE IS REACHED, UNLESS Sanford North Carolina 27330
DESIGNED. TEMPORARY STABILIZATION IS APPLIED.
ALL OTHER AREAS--> 14 DAYS [phone] phone
SKIMMER BASINS: PERMANENT DITCHES--> IMMEDIATELY(ROCK LINED) [e-mail]
IF SOILS BECOME COMPACTED DURING GRADING, LOOSEN THEM TO A DEPTH OF 6-8 INCHES.
SLOPES 4:1 OR STEEPER--> 7 DAYS
1. BASINS ARE TO BE CLEANED OF SEDIMENT WHEN ITS STORAGE CAPACITY IS REDUCED BY 50%. PLACE SEDIMENT REMOVED FROM THE SEEDBED PREPARATION: ALL OTHER AREAS--> 14 DAYS
BASIN IN A STOCKPILE AREA AS SHOWN ON THE PLAN OR AN AREA THAT HAS ADEQUATE EROSION CONTROL MEASURES.
2. CHECK BERM STRUCTURE,SPILLWAYS,AND SKIMMER PIPE EVERY WEEK FOR EROSION AND PIPING.
LIME: APPLY LIME ACCORDING TO SOIL TEST RECOMMENDATIONS. IF THE SOIL PH IS NOT KNOWN,APPLY AT A RATE OF 1 TO 1 Yz TONS PER
3. MAINTAIN BAFFLES AS DIRECTED BELOW. COMPLETE GRADING BEFORE PREPARING SEEDBEDS. IF SOILS BECOME COMPACTED DURING GRADING, LOOSEN THEM TO A DEPTH OF 6-8 H/LLLAR
ACRE ON COARSE-TEXTURED SOILS AND 2-3 TONS PER ACRE OF FINE-TEXTURED SOILS. APPLY LIME UNIFORMLY AND INCORPORATE INTO
4. ANY RIP RAP DISPLACED FROM SPILLWAY MUST BE REPLACED IMMEDIATELY. INCHES. . _ _
5. AFTER ALL AREAS HAVE BEEN PERMANENTLY STABILIZED, REMOVE BASIN(PHASE 2 OF CONSTRUCTION SEQUENCE)AND ALL UNSTABLE THE TOP 4-6 INCHES OF SOIL. SOILS WITH PH HIGHER THAN 6 DO NOT NEED LIME. ENGINEERING,LNG, PLL C
SEDIMENT. GRADE ACCORDING TO GRADING PLAN OR BLEND IN WITH ADJACENT GRADES-ADDITIONAL COMPACTION EFFORTS MAY BE SEEDBED REQUIREMENTS:
REQUIRED IF STRUCTURE IS PROPOSED FOR THAT AREA. STABILIZE AREA. FERTILIZER: FERTILIZE ACCORDING TO SOIL TEST RECOMMENDATIONS. WHERE SOIL TESTS ARE NOT AVAILABLE,APPLY A 10-10-10 GRADE 3417 Winterwind Circle, Sanford,NC 27330
FERTILIZER AT 700-1,000 LB/ACRE. INCORPORATE FERTILIZER INTO THE TOP 4-6 INCHES OF SOIL. IF A HYDRAULIC SEEDER IS USED,DO NOT THE SOIL SHOULD MEET THE FOLLOWING MINIMUM CRITERIA FOR VEGETATION ESTABLISHMENT: PO Box249,Sanford, NC 27331
MIX SEED AND FERTILIZER MORE THAN 30 MINUTES BEFORE APPLICATION. Phone:[phone]
BAFFLES: • ENOUGH FINE-GRAINED(SILT AND CLAY)MATERIAL TO MAINTAIN ADEQUATE MOISTURE AND NUTRIENT SUPPLY(AVAILABLE WATER e-mail:[e-mail]
SURFACE ROUGHENING: IF AREAS TO BE SEEDED BECOME HARDENED,SEALED,OR CRUSTED,LOOSEN IT JUST PRIOR TO SEEDING BY CAPACITY OF AT LEAST 0.05 INCHES OF WATER TO 1 INCH OF SOIL NC License#:P-0836
1. MAINTAIN ACCESS TO BAFFLES.SHOULD THE FABRIC COLLAPSE,DECOMPOSE,TEAR,OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY. • SUFFICIENT PORE SPACE TO PERMIT ROOT PENETRATION.
2. REMOVE BUILDUP SEDIMENT WHEN IT REACHES ONE-HALF FULL. TAKE CARE NOT TO DISTURB BAFFLES DURING CLEANOUT. DISKING, RAKING, HARROWING OR OTHER SUITABLE METHODS. GROOVE OR FURROW SLOPES STEEPER THAN 3:1 ON THE CONTOUR
BEFORE SEEDING. SUFFICIENT DEPTH OF SOIL TO PROVIDE AN ADEQUATE ROOT ZONE. THE DEPTH OF ROCK OR IMPERMEABLE LAYERS SUCH AS
HARDPANS SHOULD BE 12 INCHES OR MORE, EXCEPT ON SLOPES STEEPER THAN 2:1 WHERE THE ADDITION OF SOIL IS NOT FEASIBLE.
SILT FENCE: PLANT SELECTION: A FAVORABLE PH RANGE FOR PLANT GROWTH, USUALLY 6.0-6.5.
• NO LARGE ROOTS,BRANCHES,STONES, LARGE CLODS OF EARTH,AND TRASH. CLODS AND STONES MAY BE LEFT ON SLOPES
1. SEDIMENT SHALL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN IT BECOMES ABOUT 0.5 FT DEEP AT THE FENCE. THE FENCE STEEPER THAN 3:1 IF THEY ARE TO BE HYDROSEEDED.
SHALL BE REPAIRED AS REQUIRED TO MAINTAIN A SUFFICIENT BARRIER. SELECT THE APPROPRIATE SPECIES BASED ON THE PLANTING SEASON.
2. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, DECOMPOSE,TEAR,OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY. IF THE ABOVE CRITERIA CANNOT BE MET,SPECIAL SOIL CONDITIONERS OR TOPSOIL MAY BE APPLIED.
3. AFTER ALL AREAS HAVE BEEN PERMANENTLY STABILIZED, REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT. GRADE AREA SEEDING:
TO GRADING PLAN OR BLEND WITH ADJACENT GRADES. STABILIZE AREA. APPLY SEED WITH A BROADCAST SEEDER, DRILL,CULTIPACKER SEEDER,OR HYDROSEEDER. USE SEEDING RATES GIVEN IN TABLES. SEEDBED PREPARATION:
TEMPORARY DIVERSIONS: BROADCAST SEEDING AND HYDROSEEDING IS ACCEPTABLE ON STEEP SLOPES WHERE EQUIPMENT CANNOT BE DRIVEN. HAND
BROADCASTING IS NOT RECOMMENDED. LIME: APPLY LIME ACCORDING TO SOIL TEST RECOMMENDATIONS. IF THE SOIL PH IS NOT KNOWN, FOLLOW RATES ON THE SEEDING SPEC
TABLE.
1. IMMEDIATELY REMOVE EXCESS SEDIMENT FROM FLOW AREA AND REPAIR DIVERSION RIDGE.
2. CAREFULLY CHECK OUTLETS AND MAKE TIMELY REPAIRS AS NEEDED. SMALL GRAINS SHOULD BE PLANTED NO MORE THAN ONE INCH DEEP AND GRASSES AND LEGUMES ON MORE THAN YZ INCH. BROADCAST FERTILIZER: FERTILIZE ACCORDING TO SOIL TEST RECOMMENDATIONS. WHERE SOIL TESTS ARE NOT AVAILABLE, FOLLOW RATES ON THE
3. AFTER ALL AREAS HAVE BEEN STABILIZED REMOVE THE RIDGE AND THE CHANNEL AND GRADE ACCORDING TO GRADING PLAN OR SEED MUST BE COVERED BY RAKING OR CHAIN DRAGGING,AND THEN LIGHTLY FIRMED WITH A ROLLER OR CULTIPACKER. HYDROSEEDED SEEDING SPEC TABLE.
BLEND WITH ADJACENT GRADES. STABILIZE AREA. MIXTURES SHOULD NOT INCLUDE A WOOD FIBER MULCH.
SURFACE ROUGHENING: IF AREAS TO BE SEEDED BECOME HARDENED,SEALED,OR CRUSTED,LOOSEN IT JUST PRIOR TO SEEDING BY PROFESSIONAL ENGINEERS SEAL
RIP RAP LINED DITCHES/CHANNELS/OUTLETS: MULCHING: DISKING, RAKING, HARROWING OR OTHER SUITABLE METHODS. GROOVE OR FURROW SLOPES STEEPER THAN 3:1 ON THE CONTOUR
1. PAY CLOSE ATTENTION TO INLET AND OUTLET SECTIONS WHERE CONCENTRATED FLOW ENTERS.
MULCHING IS REQUIRED FOR ALL TEMPORARY SEEDING AT A MIN RATE OF 2 TONS/ACRE WITH ASPHALT TACK. BEFORE SEEDING.
2. INSPECT FOR INDICATIONS OF PIPING,SCOUR HOLES,OR BANK FAILURES. MAKE REPAIRS IMMEDIATELY. PLANT SELECTION:
3. MAINTAIN VEGETATION ADJACENT TO THE ROCK LINING IN A HEALTHY,VIGOROUS CONDITION TO PROTECT THE AREA FROM EROSION MAINTENANCE:
AND SCOUR. CONTRACTOR TO MONITOR GRASS ESTABLISHMENT. PROMPTLY RESEEED AREAS WHERE A HEALTHY, DENSE GROWTH DOES NOT SELECT THE APPROPRIATE SPECIES BASED ON THE PLANTING SEASON,SOIL TYPE,SLOPES,AND LAND USES. SEE SEEDING SPEC TABLES
GRASS LINED DITCHES/CHANNELS/SWALES:
ESTABLISH. CONTRACTOR MAY NEED TO PROVIDE NETTING OR TEMPORARY LINERS TO AREAS WHERE GRASS CANNOT BE ESTABLISHED IN PLANS FOR RECOMMENDED PERMANENT SEEDING MIXTURE.
DUE TO EROSION.
SEEDING:
1. DURING GRASS ESTABLISHMENT PERIOD, INSPECT AFTER EVERY RAINFALL.
2. AFTER GRASS HAS ESTABLISHED, INSPECT PERIODICALLY AND AFTER HEAVY RAINFALL. IMMEDIATELY MAKE REPAIRS. USE CERTIFIED SEED(INSPECTED BY THE NORTH CAROLINA CROP IMPROVEMENT ASSOCIATION).
3. PAY CLOSE ATTENTION TO INLET AND OUTLET SECTIONS WHERE CONCENTRATED FLOW ENTERS.
4. GRASS SHOULD BE MAINTAINED IN A HEALTHY VIGOROUS CONDITION AT ALL TIMES,SINCE IT IS THE PRIMARY EROSION PROTECTION. APPLY SEED WITH A BROADCAST SEEDER, DRILL,CULTIPACKER SEEDER,OR HYDROSEEDER ON A FIRM, FRIABLE SEEDBED. USE SEEDING
RATES GIVEN IN TABLES. a ()
WHEN USING A DRILL OR CULTIPACKER SEEDER,SMALL GRAINS SHOULD BE PLANTED NO MORE THAN ONE INCH DEEP AND GRASSES AND Z W
LEGUMES ON MORE THAN Y2 INCH. W
2
Z pe O o
WHEN BROADCAST SEEDING,SUBDIVIDE AREA INTO WORKABLE SECTIONS AND DETERMINE THE AMOUNT OF SEED NEEDED FOR EACH z
TEMPORARY SEEDING SCHEDULE SECTION. APPLY ONE-HALF THE SEED WHILE MOVING BACK AND FORTH ACROSS THE AREA AND APPLY THE REMAINING SEED IN THE SAME aMANNER1 BUT AT RIGHT ANGLES TO THE FIRST PASS. COVER SEED BY RAKING OR CHAIN DRAGGING,AND THEN LIGHTLY FIRM WITH A W
WINTER & EARLY SPRING TEMPORARY SEEDING SCHEDULE TEMPORARY SEEDING SCHEDULE ROLLER OR CULTIPACKER. V O
FALL SUMMER 0
Seeding mixture -- MULCH AREAS IMMEDIATELY AFTER SEEDING IN ACCORDANCE WITH RATES GIVEN IN TABLES. ANCHOR MULCH WITH NETTING OR LIQUID
Species Rate (lb/acre) Seeding mixture Seeding mixture ASPHALT AT A RATE OF 0.10 GALLON PER SQUARE YARD(10 GAL 11000 SQ FT). 0 1-.
7
Rye rain 120 Species Rate (lb/acre) Species Rate Iblacre L
y (grain)
Rye (grain) 120 p (Iblacre) HYDROSEEDING: ~ Z
Annual lespedeza (Kobe in German millet 40 O
Piedmont and Coastal Plain, SURFACE ROUGHENING IS REQUIRED. FINE SEEDBED PREPARATION IS NOT NECESSARY. - U
Korean in Mountains 50 Seeding dates
In the Piedmont and Mountains, a small-stemmed Sudangrass may be F z
Mountains-Aug. 15- Dec. 15 substituted at a rate of 50 Iblacre. RATE OF WOOD FIBER APPLICATION SHOULD BE AT LEAST 4,000-6,000 LB/ACRE.
Omit annual les edeza when duration of temporary cover is not to Coastal Plain and Piedmont--Aug. 15 - Dec. 30 Z O
p p ry APPLY LEGUME INOCULANTS AT FOUR TIMES THE RECOMMENDED RATE WHEN ADDING INOCULANT TO HYDROSEEDER SLURRY.
extend beyond June. Seeding dates
Y Soil amendments
Follow soil tests or apply 2,000 lb/acre ground agricultural limestone Mountains-May 15-Aug. 15 APPLY LIME IN DRY FORM. F C 0
Seeding dotes Piedmont-May 1 Aug_ 15 O
Mountains-Above 2500 feet: Feb. 15- May 15 and 1,000 Iblacre 10-10-10 fertilizer. Coastal Plain-Apr. 15 -Aug. 15 APPLICATION Below 2500 feet: Feb. 1- May 1 Mulch atL.L
Piedmont-Jan. 1 - May 1 Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt,netting, Soil amendments STEP 1 -1/3 MULCH RATE,ALL SEEDING AND ALL INOCULANT SPREAD IN ONE DIRECTION w
STEP 2-2/3 MULCH RATE APPLIED IN OPPOSING DIRECTION
Coastal Plain-Dec. 1 -Apr. 15 Follow recommendations of sail tests or apply 2,000 lb/acre ground � � Z
p or a mulch anchoring tool. A disk with blades set nearly straight can be agricultural limestone and 750 Iblacre 10-10-10 fertilizer.
used as a mulch anchoring tool.
Soil amendments UJ
Follow recommendations of soil tests or apply 2,000 Iblacre ground Maintenance Mulch L J
agricultural limestone and 750 Iblacre 10-10-10 fertilizer. Apply 4.000 lb/acre straw. Anchor straw by tacking with asphalt,netting, MAINTENANCE:
g Repair and refertilize damaged areas immediately. Topdress with 50 or a mulch anchoring knot. A disk with blades set nearly straight can be
lb/acre of nitrogen in March. If it is necessary to extent temporary IF STAND IS INADEQUATE, RE-EVALUATE PLANT CHOICE AND QUANTITIES OF LIME AND FERTILIZER. REESTABLISH THE STAND AFTER
Mulch used as a mulch anchoring tool.
Apply 4,000 Iblacre straw. Anchor straw by tacking with asphalt,netting, cover beyond June 15, overseed with 50 lb/acre Kobe (Piedmont and SEEDBED PREPARATION OR OVER-SEED THE STAND. CONSIDER SEEDING TEMPORARY,ANNUAL SPECIES IF THE TIME OF YEAR IS NOT
A a mulch anchoring tool. A disk with blades set nearly straight can be Coastal Plain) or Korean (Mountains) lespedeza in late February or Maintenance APPROPRIATE FOR PERMANENT SEEDING.
or used mulch
a mulch anchoring tool. early March. Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
immediately following erosion or other damage.
Maintenance
Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
immediately following erosion or other damage.
REVISIONS
PERMANENT SEEDING SCHEDULE
SOURCE:NCDEQ EROSION CONTROL MANUAL 6.11b
NERBACEDUS PLANT84keding reaomrnsndations for primary sbWlUe+>Iflon Table 6.11-b
Sucmaiul�depntds on ptatttlbtp dab (effe M hwo gosh B tolm-S ym w0mut an ongoitp fnalntemnes program N
NON-NATIVE SPECIES
Phmdh Deba N
t\
Fed illiza J HERBACEOUS PLANTS Seeding recommendations for primary stabilization
Bo1e11'r Nome/ MIN 1 f lmoffbm co" 811n1Elwde Rl ad- kwal Ve Successfull development depends on planting date(effectiveness goal: 6 mo.-3 yrs.without an ongoing maintenance program) Table 6.11.c ai
coar"n Nrae C1tI11Mer 111161 rodeos Mmmi" Pledmole PIMr NAMNt webtande Blrfius YA Or& conekwmmww oowr grlprn*W �
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DDS JOB#: 2022-15 NOV 2022

NOTE• GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH EQUIPMENT AND VEHICLE MAINTENANCE ONSITE CONCRETE WASHOUT RAFTING AND DESIGN
NCG01 PERMIT PROVISIONS HAVE BEEN PROVIDED AS GENERAL GUIDE THE NCG01 CONSTRUCTION GENERAL PERMIT 1. Maintain vehicles and equipment to prevent discharge of fluids. STRUCTURE WITH LINER O
WITH MINING OPERATIONS DURING THE CONSTRUCTION PORTION OF Implementing the details and specifications on this plan sheet will result in the construction 2. Provide drip a „"P SERVICES, INC.
p pans under any stored equipment. o o =A °=nP,
THE PROJECT AS A BEST MANAGEMENT PRACTICE. activity being considered compliant with the Ground Stabilization and Materials Handling o o _TAPES O1BERM 0� .o N RM "
3. Identify leaks and repair as soon as feasible,or remove leaking equipment from the srvP, o o
sections of the NCG01 Construction General Permit(Sections E and F,respectively). The o
HOWEVER, MINING OPERATIONS ARE CURRENTLY EXEMPT FROM THESE project. o o s"„E"`E as,""E _ =m=
permittee shall comply with the Erosion and Sediment Control plan approved by the o 0 0 o snP`°PE 0 o rvP 6728 Carbonton Road
REQUIREMENTS UNDER THE NCG02 PERMIT. 4. Collect all spent fluids,store in separate containers and properly dispose as - o�
delegated authority having jurisdiction.All details and specifications shown on this sheet a Sanford, North Carolina 27330
may not apply depending on site conditions and the delegated authority having jurisdiction. hazardous waste(recycle when possible).
_ [phone] phone
5. Remove leaking vehicles and construction equipment from service until the °."°oE RE,°9sxz"<^M„, SECTION °R'""` "°""°`""°"°E.ERM'"`°'"""°
SECTION E:GROUND STABILIZATION prOVERBURDENIem has been corrected. CLEARLY
'"`„°""°°"„'°"°E'E„"'"E°'""E°L°R�°„Es "°""G°`"E "°"'"' draftinganddesign@ymaiLcom
6. Bring used fuels, lubricants,coolants, hydraulic fluids and other petroleum products "'°°"„`sTR°°'°R`-1-IT cLEpRL"MAR„E°SI° M0M121N0HE5OFFREEeO�°
Required Ground Stabilization Timeframes PLAN LCEgRR.TRk ,„s°"A°E"°,N"°°EE PAN T. °wr„s°"A°E s
to a recycling or disposal center that handles these materials. "°„"°°EI,IE
Stabilize within this
many calendar BELOW GRADE WASHOUT STRUCTURE ABOVE GRADE WASHOUT STRUCTURE
Site Area Description Timeframe variations °T. ALE
days after ceasing LITTER,BUILDING MATERIAL AND LAND CLEARING WASTE land disturbance 1. Never bury or burn waste. Place litter and debris in approved waste containers. H/LL//�/9,R _
(a) Perimeter dikes, 2. Provide a sufficient number and size of waste containers(e.g dumpster,trash CONCRETE WASHOUTS ENGINEERING, PLLC
swales,ditches,and 7 None receptacle)on site to contain construction and domestic wastes. 1. Do not discharge concrete or cement slurry from the site.
perimeter slopes 3. Locate waste containers at least 50 feet away from storm drain inlets and surface 2. Dispose of,or recycle settled, hardened concrete residue in accordance with local 3417 winterwind Circle, Sanford,NC 27330
(b) High Quality Water waters unless no other alternatives are reasonably available. and state solid waste regulations and at an approved facility. PO Box249,Sanford, NC27331
7 None Phone:[phone]
(HQW)Zones 4. Locate waste containers on areas that do not receive substantial amounts of runoff 3. Manage washout from mortar mixers in accordance with the above item and in
from upland areas and does not drain direct) to a storm drain,stream or wetland. e-mail:jhillC License
(c) Slopes steeper than If slopes are 10'or less in length and are p y addition place the mixer and associated materials on impervious barrier and within NC License#:P-0836
7 not steeper than 2:1, 14 days are 5. Cover waste containers at the end of each workday and before storm events or lot perimeter silt fence.
3:1 provide secondary containment. Repair or replace damaged waste containers.
allowed p y p p g 4. Install temporary concrete washouts per local requirements,where applicable. If an
-7 days for slopes greater than 50'in 6. Anchor all lightweight items in waste containers during times of high winds. alternate method or product is to be used,contact your approval authority for
length and with slopes steeper than 4:1 7. Empty waste containers as needed to prevent overflow. Clean up immediately if review and approval. If local standard details are not available,use one of the two
-7 days for perimeter dikes,swales, containers overflow. types of temporary concrete washouts provided on this detail.
(d) Slopes 3:1 to 4:1 14 ditches, perimeter slopes and HQW 8. Dispose waste off-site at an approved disposal facility. 5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk
Zones 9. On business days,clean up and dispose of waste in designated waste containers. sections. Stormwater accumulated within the washout may not be pumped into or
-10 days for Falls Lake Watershed discharged to the storm drain system or receiving surface waters. Liquid waste must
-7 days for perimeter dikes,swales, PAINT AND OTHER LIQUID WASTE be pumped out and removed from project.
ditches,perimeter slopes and HQW Zones 1. Do not dump paint and other liquid waste into storm drains,streams or wetlands. 6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it
(e) Areas with slopes can be shown that no other alternatives are reasonably available. At a minimum,
flatter than 4:1 14 -10 days for Falls Lake Watershed unless 2. Locate paint washouts at least 50 feet away from storm drain inlets and surface install protection of storm drain inlets)closest to the washout which could receive
there is zero slope waters unless no other alternatives are reasonably available. spills or overflow.
Note:After the permanent cessation of construction activities,any areas with temporary 3. Contain liquid wastes in a controlled area. 7. Locate washouts in an easily accessible area,on level ground and install a stone
ground stabilization shall be converted to permanent ground stabilization as soon as 4. Containment must be labeled,sized and placed appropriately for the needs of site. entrance pad in front of the washout. Additional controls may be required by the
practicable but in no case longer than 90 calendar days after the last land disturbing 5. Prevent the discharge of soaps,solvents,detergents and other liquid wastes from approving authority.
activity. Temporary ground stabilization shall be maintained in a manner to render the construction sites. 8. Install at least one sign directing concrete trucks to the washout within the project PROFESSIONAL ENGINEER'S SEAL
surface stable against accelerated erosion until permanent ground stabilization is achieved.j limits. Post signage on the washout itself to identify this location.
PORTABLE TOILETS 9. Remove leavings from the washout when at approximately 75%capacity to limit
GROUND STABILIZATION SPECIFICATION 1. Install portable toilets on level round,at least 50 feet awn from storm drains,
Stabilize the round sufficient) so that rain will not dislodge the soil. Use one of the g Y overflow events. Replace the tarp,sand bags or other temporary structural
g Y g streams or wetlands unless there is no alternative reasonably available. If 50 foot components when no longer functional. When utilizing alternative or proprietary
techniques in the table below: offset is not attainable, provide relocation of portable toilet behind silt fence or place products,follow manufacturer's instructions.
Temporary Stabilization Permanent Stabilization on a gravel pad and surround with sand bags. 10. At the completion of the concrete work, remove remaining leavings and dispose of
•Temporary grass seed covered with strew or • Permanent grass seed covered with straw or 2. Provide staking or anchoring of portable toilets during periods of high winds or in high in an approved disposal facility. Fill pit,if applicable,and stabilize any disturbance
other mulches and tackifiers other rn inches and tackifiers foot traffic areas. caused by removal of washout.
• hydroseading • Geotextilefabrics such ns permanent soil 3. Monitor portable toilets for leaking and properly dispose of any leaked material.
• Rolled erosion control products with or reinforcement m atting Utilize a licensed sanitary waste hauler to remove leaking portable toilets and replace
without tern porary grass seed • flydreseeding with properly operating unit.
•Appropriately applied straw or other mulch • Shrubs or other perm anent planting.covered HERBICIDES,PESTICIDES AND RODENTICIDES
■ Plastic sheeting with mulch 1. Store and apply herbicides,pesticides and rodenticides in accordance with label
• Uniform and evenly distributed ground cover EARTHEN STOCKPILE MANAGEMENT restrictions.
sufficient to restrain erosion 1. Show stockpile locations on plans. Locate earthen-material stockpile areas at least 2, Store herbicides,pesticides and rodenticides in their original containers with the
• structural methods such as concrete,asphalt or 50 feet away from storm drain inlets,sediment basins, perimeter sediment controls label,which lists directions for use,ingredients and first aid steps in case of
retainingwalls and surface waters unless it can be shown no other alternatives are reasonably accidental poisoning. LU VJ
• Rolled erosion control products with grass seed available.
3. Do not store herbicides,pesticides and rodenticides in areas where flooding is
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of possible or where they may spill or leak into wells,stormwater drains,ground water ui
POLYACRYLAMIDES(PAMS)AND FLOCCULANTS five feet from the toe of stockpile. or surface water. If a spill occurs,clean area immediately. Z 0
1. Select flocculants that are appropriate for the soils being exposed during 3. Provide stable stone access point when feasible. 4. Do not stockpile these materials onsite. UJ Q O
construction,selecting from the NC DWR List of Approved PAMS/Flocculants. 4. Stabilize stockpile within the timeframes provided on this sheet and in accordance
2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures. with the approved plan and any additional requirements. Soil stabilization is defined Q V z
3. Apply flocculants at the concentrations specified in the NC DWR List of Approved as vegetative,physical or chemical coverage techniques that will restrain accelerated HAZARDOUS AND TOXIC WASTE
PAMS/Flocculants and in accordance with the manufacturer's instructions. erosion on disturbed soils for temporary or permanent control needs. a F _
1. Create designated hazardous waste collection areas on-site.
4. Provide ponding area for containment of treated Stormwater before discharging 2. Place hazardous waste containers under cover or in secondar containment.
offsite. y O N
LU
5. Store flocculants in leak-proof containers that are kept under storm-resistant cover 3. Do not store hazardous chemicals,drums or bagged materials directly on the ground. W L.L
or surrounded by secondary containment structures. F Z w
NCGO1 GROUND STABILIZATION AND MATERIALS HANDLING EFFECTIVE: 04/01/19 m
� o v 0
PART III PART III PART III V z
SELF-INSPECTION,RECORDKEEPING AND REPORTING SELF-INSPECTION,RECORDKEEPING AND REPORTING SELF INSPECTION,RECORDKEEPING AND REPORTING
SECTION A:SELF-INSPECTION SECTION C:REPORTING 0
SECTION B:RECORDKEEPING
Self-inspections are required during normal business hours in accordance with the table 1. Ill Plan Documentation 1. Occurrences that must be reported W Z
below. When adverse weather or site conditions would cause the safety of the inspection Permittees shall report the following occurrences: W
personnel to be in jeopardy,the inspection may be delayed until the next business day on The approved E&SC plan as well as any approved deviation shall be kept on the site. The J
p J p Y p Y Y Y (a) Visible sediment deposition in a stream or wetland.
which it is safe to perform the inspection. In addition,when a storm event of equal to or approved E&SC plan must be kept up-to-date throughout the coverage under this permit.
greater than 1.0 inch occurs outside of normal business hours,the self-inspection shall be The following items pertaining to the E&SC plan shall be documented in the manner
described: (b) Oil spills if:
performed upon the commencement of the next business day. Anytime when inspections
were delayed shall be noted in the Inspection Record. They are 25 gallons or more,
Item to Document Documentation Requirements • They are less than 25 gallons but cannot be cleaned up within 24 hours,
Frequency • They cause sheen on surface waters(regardless of volume),or
(a) Each E&SC Measure has been installed Initial and data each E&SC Measure on a copy
Inspect [during normal Inspertinn rerords must Include: and does not significantly deviate from the of the approved E&SC Plan or complete,data • They are within 100 feet of surface waters(regardless of volume).
huslness hours)
(1)Rain gauge Daily Daily rainfall amouni locations,dimensions and relative elevations and sign an inspection report that lists each
maintained in If no daily rain gauge observations are made during weekend or shown on the approved E&SC Plan. E&SC Measure shown on the approved E&SC
good working holiday periods, and no indivic rainfall information is Plan. This documentation is required upon the (a) Releases of hazardous substances in excess of reportable quantities under Section 311
l-day
order available, record the cumulative rain measurement for those un- initial installation of the E&sC Measures or if of the Clean Water Act(Ref:40 CFR 110.3 and 40 CFR 117.3)or Section 102 of CERCLA
attended days (and this will determine if a sire inspection is the E&SC Measures are modified after initial (Ref:40 CFR 302.4)or G.S. 143-215.85.
needed). Days on which no rainfall occurred shall be recorded as installation.
"zero." The permittee may use another rain-monitoring device
approved by the Division. (b) A phase of grading has been completed. initial and data a copy efthe approved E&sc (b) Anticipated bypasses and unanticipated bypasses.
(2) E&sc At least once per 1. Identification of the measures inspected, Plan or complete,data and sign an inspection REVISIONS
Measures 7 calendar days 2. Date and time of the inspection, report tc indicate completion ofthe
and within 24 3. Name ofthe person performing the inspection, (c) Noncompliance with the conditions of this permit that may endanger health or the
hours of a rain 4. Indication afwhe[he"The measures were operating construction phase.
event}1.0 inch in properly, (c) Ground cover is located and installed Initial and data a copy cfthe approved E&SC environment.
24 hours S. Description of maintenance needsforthe measure, in accordance with the approved E&SC Plan or complete,data and sign an inspection
G. Description,evidence,and date of corrective actionstaken Plan. report to indicate compliance with approved
(1)Stormwarer At least once per 1. Identification of the discharge outfalls inspected, 2.Reporting Timeframes and Other Requirements
discharge 7 calendar days 2. Date an d time of the inspection, ground coverspecificatinns.
hs iSDOs) and within 24 3. Name ofthe person performingthe inspection. After a permittee becomes aware of an occurrence that must be reported,he shall contact
outfa
(d) The maintenance and repair Complete,date and sign an inspection report. appropriate the a ro re
hours of a rain 4. Evidence of indicators of stormwater pollution such as ail pp office within the timeframes and in accordance with the
p Division regional N
requirementsfor all E&sC Measures
event a 1.0 inch in sheen,floating or suspended solids or discoloration, other requirements listed below. Occurrences outside normal business hours may also be No
24 hours E. Indication ofvisible sediment leaving the site, have been performed. reported to the Division's Emergency Response personnel at(800)662-7956,(800)
G. Description,evidence,and date of rorrective actions taken (a) Corrective actions have been taken Initial and data a copy of the approved E&SC �-
4 Perimeter of At least once per Ifvisible sedimentation is found Outside site limits,[hen a record 858-0368 or(919)733-3300.
( ) p to E&SCMeasures. Plan or complete,date and sign an inspection
site 7 calendar days of[he following shall be made- report to indicate the completion of the v
and within 24 1 Actions taken to clean up or stabilize the sediment that has left m
hours of a rain the site limits, corrective anion. occurrence Reporting Timeframes(After Discovery)and other Requirements
event 1.0 inch in 2 Description,evidence,and date of corrective actions taken,and (a)Visible sediment • within 24 hours,an oral or electronic notification.
24 hours 3 An explanation as to the actions taken to control future
deposition in a • within 7calendar days,a report that contains a description of the a
releases. 2.Additional Documentation stream or wetland sediment and acticriFtaken to address the cause of the deposition. o,
(5)Streams or At least once per Ifthe stream orwetland has increased visible sedimentation or In addition to the E&SC Plan documents above,the following items shall be kept on the a wetlands onsite 7 calendar days stream in has visible trea m turbidity from the construction Division staff may waive the requirement for a written report on a
Or offsite and within 24 activity,Then a record Of the following shall be made- site case-by-case basis.
(where hours of a rain 1 Description,evidence and date of corrective actions taken,and and available for agency inspectors at all times during normal business hours,unless the • If the stream is named on the NC 303(d)list as impaired for sediment-
accessible) event}1.0 inch in 2 Records of the required reports tothe appropriate Division Division provides a site-specific exemption based on unique site conditions that make this related causes,the permittee may be required to perform additional a
24 hours Regional Office per Part III,Section C,Item(2)(a)ofthis permit
requirement not practical: monitoring,inspections or apply more stringent practices it staff c
of this permit. determine that additional requirements are needed to assure compliance g
(G)Ground After each phase 1. The phase of grading(installation of perimeterE&SC
stabilization of grading measures,clearing and grubbing.installation of storm (a) This general permit as well as the certificate of coverage,after it is received. with the federal or state impaired-waters conditions.
measures drainage facilities,completion of all land-disturbing (h)oil spills and • INftfiin 24 hours,an oral or electronic notification. The notification g
activity,constru ction or redevelopment,permanent (b) Records of inspections made during the previous 30 days. The permittee shall record release of shall include inform ation about the data,time,nature,volume and
ground raver). the required OVERBURDENservations on the Inspection Record Form provided by the hazardous location of the spill or release.
2. Dorumentation[hat the required ground stahilizatian m
Division or a similar inspection form that includes all the required elements. Use of substances per Item m
measures have been providetl within the required p q 1(b)-(c)above
tirmeframe Oran assurance that they will be provided as electronically-available records in lieu of the required paper copies will be allowed if d
soon as possible. shown to provide equal access and utility as the hard-copy records. (c)Anticipated • A5 reporr at feast ten days before the dare of thebypass,ifpossible. o
bypasses [40 CFR The report shall include an evaluation of the anticipated quality and othhe hyp AGENCY REVIEW ONLY17
122.41(m)(3)] effect ass. N
NOTE:The rain inspection resets the required 7 calendar day inspection requirement. (c) All data used to complete the Notice of Intent and older inspection records shall be No
(d)Unanticipated • wizhin24 hours,an oral or electronic notification. NOT FOR CONSTRUCTION N
maintained for a period of three years after project completion and made available bypasses [4D CFR • within 7calendar days,a report that includes an evaluation of the z
upon request. [40 CFR 122.41] 122.411 quality and effect ofthe bypass.
a
(e)Noncompliance ■ within 24 hours,an oral or electronic notification. o
with the conditions • within 7calendar days,a report that contains a description of the �
Of this permit that noncompliance,and its causes;the period of noncompliance, Scale: Drawn by:
may endanger including exact dates and times,and if the noncompliance has not MDK
health orthe been corrected,the anticipated time noncompliance is expected to NTS
environment[40 continue; and steps taken or planned to reduce,eliminate,and i
CFR 122.41(I)(71] prevent reoccurrence of the noncompliance.140 CFR 122.411 Sheet: Designed by:
■ Division staff may waive the requirement for a written report on a MDK j
case-hy-case basis. LID
Reviewed by: o
09 of 15 �E" ss
N
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Project Number: Date: N
NCGO 1 SELF-INSPECTION, RECORDKEEPING AND REPORTING EFFECTIVE: 04/01/19 DDS JOB#: 2022-15 NOV 2022

RAFTING AND DESIGN O
SERVICES, INC_
6728 Carbonton Road
Sanford, North Carolina 27330
LEVEL PORTION CONTROL SECTION [phone] phone
APPROACH [e-mail]
CHANNEL
3:1 MAX POND EL TOP EL 3:1 MAX _ FLOW
SLOPES _ SLOPES - C3�
I
� H/LLl`J.R
VOLUME REQUIRED BERM ENGINEERING, PLLC
1800 CF/Q25
EMBANKMENT EMBANKMENT 3417 Winterwind Circle, Sanford,NC 27330
PO Box 249,Sanford, NC 27331
_ NOTE: Phone:[phone]
NEITHER THE LOCATION NOR e-mail:[e-mail]
3:1 MAX SLOPE(TYP) 3:1 MAX SLOPE(TYP) - ALIGNMENT OF THE CONTROL NC License#:P-0836
CE SECTION HAS TO COINCIDE
- PLAN WI M THE CENTERLINE OF THE D
WATER
BOII 1 - 0 SURFACE
- ERM CONTROL SECTION
FREEBOARD(1'MIN) \ EXIT SECTOR
\ SEE PLANS FOR LINER LENGTH
- SPILLWAY INVERT ELEV MIN 2% \
EXTEND LINER 1'BELOW �I I—
—I 20' I�
BOTTOM ELEV. LEVEL OR S L
NOTES GREATER 100'
1. BASIN TO BE INSTALLED WITHOUT OUTLETS. APPROACH PROFILE ALONG CENTERLINE
2. BASIN IS TO BE EXCAVATED BELOW EXISTING GROUND. CHANNEL PROFESSIONAL ENGINEER'S SEAL
3. INSTALL TEMPORARY DIVERSIONS TO BASIN.
3. BASINS ARE TO BE INSTALLED AND MARKET MATERIAL STOCKPILED.
4. OVERBURDEN TO BE USED TO CONSTRUCT BERMS ADJACENT TO BASIN. 1 -I -
5. INSTALL PERIMETER BERMS BELOW BASIN THROUGH LOW LYING AREAS TO PREVENT RUNOFF FROM LEAVING 4
THE SITE. -I -I -I = - -
1
6. WHEN BASINS OVERFILL THE WATER WILL POND INSIDE THE PERIMETER BERM AND INFILTRATE AND EVAPORATE. -I -I _ O RIP RAP LINED
7. PIT TO BE EXCAVATED FROM BASIN OUT.BASIN SIZE WILL INCREASE WITH EXCAVATION. =,Ill O -1117
8. MATERIAL WILL BE EXCAVATED WET NO PIT DEWATERING. �iii�iii- O O
- - - - -
9. BASIN HAVE BEEN DESIGNED WITH TWICE THE VOLUME CAPACITY THAN REQUIRED. ,)ll=„)ll i)ll,:ll,iifflii,ff1,;,III- .;,ff1,iiffllliff1,;,ff1, ,ff1iiiffl ifl
10. BASINS TO BE INSPECTED WEEKLY. 25,
11. ALL SLOPES THAT ARE DENUDED MORE THAN 7 WORKING DAYS OR 14 CALENDAR DAYS SHALL BE STABILIZED f�
AND SEEDED. CROSS SECTION AT CONTROL SECTION
12. ONCE SEDIMENT REACHES 1 FT DEPTH THE SEDIMENT SHALL BE REMOVED.
SEDIMENT BASIN NO OUTLET TYPICAL EXCAVATED EARTH SPILLWAY
NITS NTS
lQ J
Z Q
W n
Z o W
W a 0
L ° = o
aF �
W W o oc
HCnLIJZ o
-
Notes �; C)m 7
1. La is the length of the riprap Z
apron. ' O
• 2. d=1.5 times the maximum — _
stone diameter but not less F C '^
than 6", '�♦♦ V J
Pipe Outlet to Flat Area— 3. In awell-defined channel ex- v O
No Well-defined Channel tend the apron up the Channel
banks to an elevation of 6"
above the maximum tailwater
depth arto the top of the bark,
0 w
ado A A whichever is less. W Z
d 4. A filter blanket or filter fabric W
a
should be installed between J
the riprap and soil foundation.
Plan
Construction 1. Ensure that the subgrade for the filter and riprap follows the required lines
La7 and gl:adessltownin the plan. Compaet any fill requiiedinthesubgradctothe
Specifications density of the surrounding undisturbed material, Low areas in the subgrade on
undisturbed soil may also be filled by Increasing tlac riprap thickness.
Ii l-_{ ?. The riprap andg_ravel filter must conform to the specified grading limits
Ifll Ad llil_
rL= shown on the plans.
Sectio *Filter 3. Filler clo h,when used,mull meet design ter uirements and be. ro ed
Section AA blanket L P P Y
protected from pwnching or tearing during installation. Repair any damage by
remuv ing the riprap and placing another piece❑f filler cloth over the chunaged
Pipe Outlet to Well-defined area. All connecting joints should overlap so the top layer is above the
Channel downstream laver a minimum of 1 four. If the damage is extensive,replace
the entire filter cloth.
4. Riprap maybe placed by equipment,buttake care to avoid damaging the REVISIONS
filter.
A A 5. The Iliinimum thickness of the riprap should he 1 5 times the maximum
---- stone diameter.
i 6. Riprap may be field stone or rough quirrry scone_ II should be hard,
--� angular,highly weather-resistant and well graded.
7. Construct the apron on zero grade with no overfill at the end, 11ake the
Plan top of the riprap at the downstream end level with the receiving area ar sl iglatly
below it.
N
8. Ensure that the apron is properly aligned with the reccivin2 stream N
0
and preferably straight throughout its length. If a curve is needed to Ft site
La conditions,place it in the upper section of the apron,
9. lmm ediatcly after construction,stabilize all disttrrbe d areas with v egetation
(Practices 6.10,Temporrany Seeding,and 6.11,PerrracanentSeedin,g). '
I,l,�l}l 11 Section ,,6—illl� Maintenance Inspect riprap outlet structures weekly and after significant(l/2 inch orgreater) a
Filter minrall events to see if any erosion around or below the riprap has Litcen place,
blanket or if stones have been dislodged. Immediately make all needed repairs to
Figure 6.41c Riprap outlet protection(modified front Va SWCC� prevent further damage- a
References SaarFacestabilizatiora Q>
E 10,'£emporary Seeding a
al 9 C.I I,Pentnanent Seedinng
c
E 15,Riprap
a�
Appendix
8.06,Design of Ripnip C uwlel Prolec(ion g
N
c
Rice,C.E.,Kadavy,K,C `Riprap L)csign for Pipe Spillways at
j
-1 <TWaT)<0 T' Presented atthe T)ecemher 11, 1994 Trier national Winter
lblccting.American Society ofAgricultural hnginccrs,Paper Number
942541 0
Rice, !.E and K.C.Kadin v 1994,Plunge Pool L)esi�at Submerged Pipe AGENCY REVIEW ONLY N
Spillway Outlets. Transactions of thcAS_AE 37(4),1167-1173, o
NOT FOR CONSTRUCTION N
FT-TWA 19R3- Tiydralic Design of F.nerey nissipatels for(''ulverts and z
Channels. Hydraulic Engineering Circular Number 14. i
0
c
OUTLET PROTECTION J
Scale: Drawn by: Q>
NITS NTS MDK
Q>
Sheet: Designed by:
Mill j
L0
Reviewed by: o
C 1 O of 15 JEH SS
N
N
O
Project Number: Date: N
iv
DDS JOB#: 2022-15 NOV 2022

NATURAL GROUND
MAXIMUM SLOPES
1. Clear the foundation area of trees, stumps, roots, loose rock, and other RAFTING AND DESIGN O
Construction 1.
material.
Specifications W NATURAL GROUND SERVICES, INC.
2.Excavate the cross section to the lines and grades of the foundation of the L)
liner as shouar on the plans. Bring over-excavated areas to grade by increasing 2/3 W MAXIMUM SLOPES
the thickness of the liner or by back cling with moist soil compacted to the -1 — 6728 Carbonton Road
density of the surrounding material. = lII—IIIII=
—"""1=IIIII=IIIII-I d
3.Concrete linings: II-1111111iII. ' Sanford, North Carolina 27330
�u— — o =_ —
•Place concrete linings to the thickness shown on the plans and finish them 181. =IIIII=III �'00 0 —IIIII IIII ll�1i_ a"to 12" —III--�1- - I-I 1=1 I— _ -1' [phone] phone
in a workmanlike manner. I-
•Take adequate precautions to protect freshly placed concrete from extreme -" IIIII'I}I FILTERFABRICOR GRASS LINED draftinganddesignC�ymaiLeom
SEE PLAN
GRAVEL BEDDING
temperatures to ensure proper curing.
•Ensure that subgradeis moist when concrete ispoured- PARABOLIC-SHAPED WATERWAY WITH STONE CENTER DRAIN
• Tnstali foundation drains or weep holes where needed to protect against (SHAPED BY BULLDOZER) COMPACTED SOILS
uplift and piping, , ,/� , L�
• Provide transverse(cnntractlon)jnintstoconup]crackingalapprpximatefy Construction L Remove all trees, brush, stumps, and other objectionable material from the n —L —
20-feet intervals. These joints may be formed by using a 1/2-inch thick W ENGINEERING PLL C
foundation area and dispose of properly.
removable template or by sawingto a depth of at least l inch. _ _ Specifications COMPACTED SOILS
• Install expansion pints at intervals not to exceed too feet. — 3417 Winterwind Circle, Sanford,NC 27330
p =uTll= — d �E_ �
— II=IIIII= 2 PO 31
—IIIII-IIIII=-- . Excavate the channel, and shape it to neat lines and dimensions shown on4.Rock riprap linings:Practicefi.IS.Riprqp. — _ o ox an or , 75. Place filters, beddings, and foundation drains to lute and grade in the lli a°to t z° the plans plus a 0.2-foot overcut around the channel perimeter to allow for PERMANENT DIVERSION BERM Phone:(919)[e-mail]
e-mail:[e-mail]
manner specified. Place filter andfoundation
materials irnmediate]r•after sloe 6„ —_ a , ._� ' IIIII= bulking during seedbed preparations and sod buildup. NTS NC License#:P-0836
bedding p -_` 1°il=_ ff-� FILTER FABRIC OR
preparation. For synthetic filter fabrics,overlap the downstream edge b at 11�=111" GRAVEL BEDDING 3. Remove and properly dispose of all excess soil so that surface water may
least 12 inches with the upstream edge which is buried a minimum 12 inches -"' P P Y P y
ut a trench. See figure 6.14a,page 6.14.6. Space anchor pins every 3 feel enter the channel freely.
along the overlap, Spread granular materials in a uniform layer. When more V-SHAPED WATERWAY WITH STONE CENTER DRAIN NATURAL GROUND
than one gradation is required,spread the layers so there is minimal mixing. (SHAPED BY MOTOR GRADER) 4. The procedure used to establish grass in the channel will depend upon the
Filter material should consist of at least 3 inches or material on all sides of MAXIMUM SLOPES
the drain pipe. The drain pipe conduit should be a minimum of 4 inches in severity of the conditions and selection of species. Protect the channel with
diameter. Acceptable materials include perforated, continuous, closed joint mulch or a temporary liner sufficient to withstand anticipated velocities during
conduits of clay,concrete,metal_plastic,or other suitable material(Practice
TYPICAL RIP RAP CHANNEL the establishment period (Appendix�4.05).
6.81,SubrurliweDrain),
6. Perform all channel construction to keep erosion and water pollution = IIII
to a minimum. immediately upon completion ofthe channel, vegetate all IIIII"��i
1�1=
disturbed areas or otherwise protect them against soil erosion. Where channel = =IIIII Maintenance Dmingthe establishment per i od,check grass-lined channels afterevery rainfall.
construction will take longer than 30 days.stabilize channels by reaches. IIIIIII=_ After grass is established, periodically check the channel; check it after every
hea rainfall event. Immediatel make re airs. It is articularl 11n ortant to — II— _ _I,
Maintenance Inspect channels at regular internals as well as after major rains;and snake vy y p p y p -repairs promptly. Give special attention to the outlet and inlet sections and11= check the channel outlet and all road crossings for bank stability and evidence l I I
ptherpoumts+nhereconcenLtatedtlowen[ers- Carefully check stability atroad FILTER FABRIC OR of piping or scour holes. Remove all significant sediment accumulations to PROFESSIONAL ENGINEER'S SEAL
crossings, and look for indications of piping, scour holes. or bank failures. GRAVEL BEDDING
Make repairs immediately. Maintain all vegetation adjacent to the channel in maintain the designed carrying capacity. Keep the grass in a healthy,vigorous
a healthy,vigorous condition to protect the area from erosion and scour during condition at all times, since it is the primary erosion protection for the channel COMPACTED SOILS
put-of-bank flow. TRAPEZOIDAL
(Practice 6.1 1,Permanent Seeding).
RIP RAP LINED TEMPORARY/PERMANENT GRASS LINED TEMPORARY/PERMANENT
DIVERSION DITCH DIVERSION DITCH TEMPORARY/PERMANENT DIVERSION DITCH
NTS
NTS NTS
Construction Construction
Figure 6.17e Channel Installation and Slope Installation; Washington State Ecology Department Specifications Even if properly designed, if not property installed, RECTs v8nll probably a J
not function as desired, Proper installation is imperative. Even if properly _
Figure 6.17d Temporary Channel Liners; Washington State Department of Ecology installed if not properlp timed and notttished vegetation will probably not Z Q
grow as desired. Proper seed/vegetation selection is also imperative. W J
;7Z O LU
Excavate channel to design Grade the surface of installation areas so that the ground is smooth and loose. Q
P Overlap 6"min. grade and cross-section t�i When seeding prior to installation,follow the steps for seed bed preparation,
Longitudinal anchor Terminal slope and �, ; W �
{
trench ]2 f channel anchor trench m a soil amendments, and seeding in Surface Stabilisation, G.I. All gullies. rills, J
-, �* and anv other disturbed areas must be fine graded prior to installation. Spread
" seed before RECP installation.(important:Remove all large rocks,dirt clods, a = O
n/
'+„ ; stumps,roots,grass clamps,trash,and other obstructions from the soil surface LLI 0 1
Design depth +
5 � to allow for direct contact between the soil surface and the RECP.) W1:9
Longitudinal 0 z
anchor trench Terminal anchor trenches are required at RECP ends and intermittent trenches � W Z
Stake at 3'-5' ::. _ Overcut channel 2"to allow bullcr►tg _ y ` must be constructed across channels at 25-foot intervals. Terminal anchor ~ O
intervals during� preparation �' # '
- n9 seedbed p p �� 1 j trenches should be a minimum of IZ inches in depth and 6 inches in width, m >. U
9 i while intermittent trenches need be arily 6 inches deep and 6 inches wide. m Z z
installation for Slopes— Place the RECP 2-3 feet over the Lop of the slope U O
and into an excavated end trench measuring approximately 12 inches deep
6" F
p% by 6 inches Mde. Pin the RECP at 1 foot intervals along the bottom of the a C U)
s
Typical installation "1 V
with erosion control trench, backfill, and compact. Unroll the RECP down (or along) the slope
f4 a blankets or turf k"f maintaining direct contact between the soil and the RECP Overlap adjacent
C (�o reinforcement mats <-', r =r., t ,. rolls a minimum of 3 inches. Pin the RECP to the ground using staples or 0 LLI
pins in a 3 foot center-to-center pattern. Less frequent stapling/pinning is LU Z
acceptable on moderate slopes. W
Intermittent check slot Longitudinal anchor trench J
r .irr Slot at 25'
intervals
Shingle-lap spliced ends or begin new
Initial channel Intermittent
roll in an intermittent check slot
� _ •
anchor trench check slot
Prepare soil and apply seed bef
installing blankets,gnats or at Installation in Channels—Excavate terminal trenches(12 inches deep and 6
temporary channel liner - N inches Nvide)across the channel at the upper and lower end of the lined channel
" II o sections. At 25-foot intervals along the charutel, anchor the RECP across the
u- channel either in 6 inch by 6 inch trenches or by installing two closely spaced
NOTE: ru%vs of anchors. Excavate longitudinal trenches 6 inches deep and wide along
1. Check slots to be constructed per manufacturers Specifications. channel edges (above water line) in which to bury the outside RECP edges.
2. Staking or stapling layout per manufacturers specifications. X' , _ ___ _ - Place the first RECP at the downstream end of the channel. Place the and of REVISIONS
= the first RECP in the terminal trench and pin it at 1 foot intervals along the
bottom of the trench.
Slope surface shall be smooth before Tf there is a berm at the to 0
4 Y Note.The RECP should be laced upside down in the trench with the roll on
f �_. p �
PP - the downstream side of the bench.
placement for proper st�i I contact. slope, anchor u sin a of the berm. .
P P P p - P p
,
Min. 2" " _{ i qa 6� Yn y� �r ' yuC ;.� i `p � n Once pinned and bacl,filled, the RECP is deployed by wrapping over the
Anchor in b„x6" miry. Trench ; top of the trench and unrolling upstream. if the channel is Wider than the
Stapling pattern as overla N
per manufacturers p and staple at 12" intervals, provided rolls,place ends of adjacent rolls in the terminal trench,overlapping N
recommendatio". ��' ♦� f the adjacent rolls a trtinimurrt of 3 inches. Pin at 1 final intervals, bact till,and
i f - Min. 6" overlap. compact. Unroll the RECP in the upstream direction until reaching the first
intermittent trench. Fold the RECP back over itself, positioning the roll on
a.=• "`f ' NOTES: the downstream side of the trench, and allowing the mat to conform to the o
�— Staple overlaps 1. Design velocities exceeding 2 ft/sec require temporary blankets, mats or similar liners to protect trench.
max 5" spacing seed and soil until vegetation becomes established. a'
2. Grass-lined channels with design velocities exceeding 6 ft/sec should include turf reinforcement Then pin the RECP (two layers) to the bottom of the trench, backfill, and
Bring material down to a level area, mats compact. Continue up the channel(wrapping over the top of the intermittent a
Do not stretch blankets/matting tight-allow turn the end under 4" and staple at 12" trench) repeating this step at other intermittent trenches, until reaching the
the rolls to conform to any irregularities. intervals. upper terminal trench. a-
For slopes less than 3MV, rolls Lime, fertilize, and seed before installation. Planting At the upper terminal trench, allow the RECP to conform to the trench, g
of shrubs, trees, etc. should occur after installation.
may be placed in horizontal strips. secure with pins or staples, backfill, compact and then bring the mat back-
over the top of the trench and onto the existing mat(2 to 3 feet overlap in the g
a�
downstream direction), and pin at t foot intervals across the RECP. When
starting installation of a new roll.begin in a trench or shingle-lap ends of rolls
a minimum of 1 foot with upstream RECP on top to prevent uplifting- Place
the outside edges of the RECP(s) in longitudinal trenches, pin, back-fill, and
compact. AGENCY REVIEW ONLY N
0
Anchoring Devkes--1 I gauge,at imst 6 inches lengdi by I inch width staples NOT FOR CONSTRUCTION
or 12 inch minimum length wooden stakes are recommended for anchoring the z
a
TEMPORARY LINING FOR RECP to the ground. o
J
Drivestaplesorpittssotltatthetopofthestaplearpinistlushvviththegrollnd Scale: Drawn by:
TEMPORARY/PERMANENT DIVERSION DITCH
surface. Anchor each RECP every 3 feel along its center. Longitudinal NTS MDK
NTS overlaps must be sufficient to accommodate a rove° of anchors and uniform c
along the entire length of overlap and anchored every 3 feet along the overlap Sheet: Designed by:
length. Roll ends may be spliced by overlapping I foot (in the direction of MDK
water flow),with the upstream/upslope that placed on top of the downstream/ LO
downslope RECP. This overlap should be anchored at i foot spacing across Reviewed by: N
the RECP. When installing multiple width mats heat seamed in the factory,all C 7 7 of 15 JEH ss
o
factory seams and field overlaps should be similarly anchored. o
Project Number: Date: N
iv
DDS JOB#: 2022-15 NOV 2022

TYPICAL FENCE SPACING CORNER BRACING CORNER BRACING
10'MAX SPACING - 5'-10"MAX SPACING 5'-10"MAX SPACING 15.5 GA BARBED WIRE
U METAL"T"POST
RAFTING AND DESIGN O
CORNER BRACE 6'x 4"MIN TREATED POST 6'x 4"MIN TREATED POST CORNER BRACE FILTER OF 1 INCH DIAMETER#57 �
4.5'MIN HEIGHT 6'x 4"MIN TREATED POST O
ABOVE GROUND 6'x 4"MIN TREATED POST WASHED STONE O° ° ° o° oo° 8a ° O°Q°O�p°°°o° `�o° o�o° �o°°o
STAPLE WIRE TWIST o°o 00°°00 ° o o°Oo° o�a�o�b�°�' og�° r$ a o SERVICES, INC.
CORNER POST ° °° rn p o0 000
1"MIN FENCE STAPLE o0 0 ° O o° a�po O °o
WARNING 15.5 GA BARBED WIRE CORNER POST o° � 0°0°�0�0800° °
NOTE: o 00 0 �
SIGN SILT FENCE FABRIC TO OVERLAP 8 o O oo po$gO°0n 0 0 0 6728 Carbonton Road
WIRE CLIPS ° STAPLE WIRE Oo 0 0 0 o O° o °
NAIL BRACE TO POST °°
HARDWARE CLOTH BY 12 INCHES o° ° °°o 0 o 00
1"MIN FENCE STAPLE o0 0 °�O°° 00° O�O Sanford, North Paroling 27330
p o �8o O 8 0 08 0 0 0 °o
USE 30 PENNY NAIL MIN (4) � 0 8 ° o
°°°°° °° °°°O° °° 919 499-8759 hone
p [e-mail]
p NOTCH POST 1"MIN FOR CORNER BRACE STEEL FENCE POST
1'MAX WIRE SPACING °
° 15.5 GA BARBED/12.5 GA HIGH TENSILE WIRE TWIST WIRE FENCE SILT FENCE FABRIC HARDWARE CLOTH STEEL FENCE POST
6'METAL"T"POST ° ON WIRE FENCE
N WIRE FENCE
p HARDWARE CLOTH
4.5'MIN HEIGHT p 2'x 1"x 1"WOOD STICK FILTER OF 1 INCH DIAMETER# PLAN VIEW NOTE:
H/L L•l`J.R
p USE SILT FENCE OUTLETS ONLY WHEN _
ABOVE GROUND 57 WASHED STONE
a - - - - - - - - - � DRAINAGE AREA DOES NOT EXCEED 1/4 ACRE ENGINEERING, PLLC
p o AND THERE IS A LOW AREA. USE AS A REPAIR
INSTALLATION:POST TO BE DRIVEN OR BORED AND TAMPED O <:
FLOW DIRECTION ° . 18 OF SILT FENCE FAILURES. 3417 Winterwind Circle, Sanford,NC 27330
�J j p � NOTE:USE ONE SECTION OF CORNER BRACING $� ° °o 00 PO Box249,Sanford, NC27331
p AT GATES AND FENCE ENDS o°° o ° _ GRADE STEEL FENCE POST SET Phone:[phone]
TI-III-II III-III II-III 11=III., - e-mail:[e-mail]
HARDWARE CLOTH MAXIMUM 2 FEET APART
_II,�=-,_, '-Ip L, 6 NC License#:P-0836
p .5 �EXISTI`NGGRO`UNDYP) -� - � =III=III=1'` WIRE FENCE
1.5'MIN DEPTH p BELOW GROUND STAPLE WIRE TWIST L' III r
BELOW GROUND p 1"MIN FENCE STAPLE
II
ELEVATION VIEW 4 STRAND BARBED WIRE FENCE SIDE VIEW
Li i I
NTS SILT FENCE I
FABRIC OVERLAP OVERLAP II
12 12
1 INCHES INCHES
X
SEDIMENT FILTER BAG GRADE
(BAG SIZE BASED ON MANUFACTURER'S RECOMMENDATIONS) 'll - IS °I I Itl
LAY ON 6-12"THICK BED OF 2"-3" DIA. STONE - _
DISCHARGE LINE , _ - _ - I_j
PUBLIC RIGHT OF WAY I�III III- �III�111=111�IIIIIIII1�111-III=11r- �I -J ��III�-�III� II�II1111-III= I III�IIIIIIITI IIII�III
FROM PUMP SEE PLAN Installation: Refer to the approved erosion control plan for location, extent, and -ITI I�I� fE ITI-III IIII 1 II-III-III-III=1 I°I -1I I i
-I -1 �I -I 1=ITI=1 1=ITI=1 1=1 1=ITI= I_I -I 11 r-1 1=1
specifications. If silt fence is not installed correctly the first time, it will have to
be reconstructed. Determine the exact location of the outlet before completing MIN.STONE DEPTH I�ITII�II�I-IITI1111� Ll NOTE: LJ _li PROFESSIONAL ENGINEER'S SEAL
ITI-ITI-III-I�I-
BURY WIRE FENCE, HARDWARE CLOTH,AND - - -
EXISTING installation of the silt fence,taking into consideration:GRADE SEE NOTE B. FRONT VIEW SILT FENCE FABRIC 6 INCHES INTO THE
TRENCH
1. Installation at the lowest point(s) in the fence where water will pond.
-'I I=1 11=1 11=1 11=1 11=1 11=1 11=1 11=1 11=1 =1 11=1 11=1 11- ''1=1 11=1 11=1 11=1 I I- -I 11=1 11=1 11='� M a i me n o n ee aspect sediment fences at least once a week and after each rainfall. Make any
-III__=1 I I-III-III-III-III-III-I 11= 1-1 11=i I- '' -I 1-1 I I-I 11=1 11=1 11=1 11=1 I I-I 11-' 2. Maximum allowable drainage area restriction for silt fence. required repairs immediately.
''-1 I I-III-I 11=1 11=1 11=1 11=1 "-I i I-1 I I-III-III-III-I i I- g
-
FILTER Should the fabric of a sediment fence collapse, tear, decompose or become
STONE BED TO BE RELATIVELY FLAT FABRIC 3. Installation where the outlet is accessible for installation, maintenance and ineffective,replace it promptly.
removal.
Remove sediment deposits as necessary to provide adequate storage volume
4. Placement of the outlet so that water flowing through it will not create an for the next rain and to reduce pressure on the fence. Take care to avoid
NOTES: erosion hazard below - avoid steep slopes below the outlet and areas undermining the fence during cleanout. M
without protective vegetation. Use slope drains if necessary. Remove all fencing materials and unstable sediment deposits and bring the a J
SEDIMENT FILTER BAG A) MINIMUM WIDTH OF CONSTRUCTION ENTRANCE PAD SHALL BE 20 FT. area to grade and stabilize it after the contributing drainage area has been
NTS properly stabilized. � Z Q
B) STONE SHALL BE 2-3"WASHED STONE, 12"THICK. The silt fence outlet shall be installed in accordance with the standard detail, and LU J
C) THE ENTRANCE SHALL BE MAINTAINED TO PREVENT TRACKING OR FLOW- the approved erosion control plan. ZO W
ING OF SEDIMENT ONTO PUBLIC RIGHTS-OF-WAY. THIS MAY REQUIRE LU Q
PERIODIC TOP DRESSING WITH ADDITIONAL STONE AND REPAIR AND/OR SILT FENCE OUTLET � � o v O
CLEANOUT OF ANY MEASURES USED TO TRAP SEDIMENT.
D) INSTALL PADS WHERE SHOWN ON PLANS OR OTHERWISE DIRECTED NTS a = n/
BY ENGINEER.
HZ O
TEMPORARY CONSTRUCTION ENTRANCE PAD ' m �; U
NTS m Z z
J 2Z O
v � O
v � �
o W
W Z
L J
QQE SEDIMENT FENCE INSTALLATION USING THE SLICING METHOD /w
#57 STONE S�OP�O�NOS� Instead of excavating a trench, placing fabric and then backfilling trench, r/
MPS G G� sediment fence may be installed using specially designed equipment that
2.0%MIN SLOPE �*\S��N "' "I inserts the fabric into a cut sliced in the ground with a disc(Figure 6.62b).
U D SCOPE 4.0%MAX SLOPE
6
GGRO x7S'
C Installation
The base of both end posts should be at least one foot higher than the
middle of the fence. Check with a level if necessary.
IX _I �tio Specifications
S<OAF 2. Install posts 4 feet apart in critical areas and 6 feet apart on standard
applications.
3. Install posts 2 feet deep on the downstream side of the silt fence, and
as close as possible to the fabric, enabling posts to support the fabric from
TEMPORARY INTERNAL SITE ROAD TYPICAL CORNER/BEND upstream water pressure. REVISIONS
NTS 4. Install posts with the nipples facing away from the silt fabric.
A 1.5' 5. Attach the fabric to each post with three ties,all spaced within the top 8
MIN inches of the fabric. Attach each tie diagonally 45 degrees through the fabric,
9„
NTS MIN with each puncture at least 1 inch vertically apart. Also, each tie should be
1=ITI=ITI III-ITI=1�1-1�1=1�1=ITI=1�1-1�1=1�1=ITI=1�1=1�1=1�1=1�1=1�1=1�1=1�1=1�1=1�1=1�1=1�1=1�1=1�1=1�1=1�1=III 1=1�1=1�1=
CLASS"B"RIP RAP positioned to hang on a post nipple when tightened to prevent sagging.
12"NCDOT#5 or o 6. Wrap approximately 6 inches of fabric around the end posts and secure IIII I �I I 1=
#57 WASHED 2 with 3 ties.
STONE 7S�G,o 24"MAX 7. No more than 24 inches of a 36 inch fabric is allowed above ground -II IIII IIII
FILTER FABRIC FILTER FABRIC F AT CENTER _ \
INSTALLATION level. IIII IIII �I I III
1. REMOVE ALL I I =11I 1=
TREES,BRUSH S. The installation should be checked and corrected for any deviations before
BERM
4 4 p -� L
eom action. FRONT VIEW
,i,�i�vi�Ti; EXIS A 1 5 SECTION A-A 9. Compaction is vitally important for effective results. Compact the soil a
T/NG GROUND immediately next to the silt fence fabric with the front wheel of the tractor,
EXISTING GROUND
A L B skid steer,or roller exerting at least 60 pounds per square inch. Compact the a
NOTE upstream side first,and then each side twice for a total of 4 trips.
1. SEE PLAN SHEET C-2 FOR WIDTH '- Place stone to the lines and dimensions shown in the tan on a filter fabric Q)
HEIGHT DETERMINED BY SIDE SLOPES. Construction p a
2. WIDTH INDICATED ON PLAN IS BOTTOM Specifications L THE DISTANCE SUCH THAT POINTS foundation. Maintenance Inspect sediment fences at least once a week and after each rainfall. Make any NOTE: Q)
=
WIDTH. A AND B ARE OF EQUAL ELEVATION required repairs immediately. DOES NOT EXCEED 1/4 ACRE AND NEVER IN
3. SEED PER TEMPORARY/PERMANENT 2. Keep the center stone section at least 9 inches below natural ground level AREAS OF CONCENTRATED FLOW
SEEDING SCHEDULE ON SHEET C-7. where the dam abuts the channel banks. Should the fabric of a sediment fence collapse, tear, decompose or become -USE SILT FENCE ONLY WHEN DRAINAGE AREA
Maintenance t check dams and channels at Ieast weekly and after each significant(1/2 g
lace itpromptly.
4. NATURAL VOLUNTEER VEGETATION ineffective,rep END OF SILT FENCE NEEDS TO BE TURNED UPHILL.
SHALL REMAIN. 3. Extend stone at least 1.5 feet beyond the ditclt bank(Figure 6.83b)to keep inch or greater} rainfall event and repair immediately. Clean out sediment,
5. BERM ENDS SHALL BE 4:1 SLOPES LIKE water from cutting around the ends of the check dam. straw,limbs,or other debris that could clog the channel when needed Remove sediment deposits as necessary to provide adequate storage volume
SIDE SLOPES.
g � � � q g FOR REPAIR OF SILT m
Anticipate submergence and deposition above the check dam and erosion from for the next rain and to reduce pressure on the fence. Take care to avoid FENCE FAILURES,USE v
4. Set spacing between dams to assure that the elevation at the top of the undermining the fence during cleanout. No.57 WASHED STONE.
high flows around the edges of the dam. Correct all damage imrnezliately. If FOR ANCHOR WHEN SIL AGENCY REVIEW ONLY17
lower dam is the same as the toe elevation of the upper dam, significant erosion occurs between dams additional measures cam be taken
VEGETATIVE BERM (TYP) Remove all fencing materials and unstable sediment deposits and bring the I-III-1IE III= FENCE IS PROTECTING o
5. Protect the channel after the lowest check dam from heavy flow that could such as, installing a protective riprap liner in that portion of the channel area to grade and stabilize it after the contributing drainage area has been 11 Ell CATCH BASIN. NOT FOR CONSTRUCTION
NTS cause erosion. {Practice 6.31,Ripraprline m�dPaved Clumnels}. I_ z
properly stabilized. 1 I=1 1-
I II
6. Make sure that the channel reach above the most upstream dam is stable. Remove sediment accumulated behind the dams as needed to prevent damage SECTION VIEW =+'I _ )
to channel vegetation,allow the channel to drain through the stone check dawn,
1 1 - b Dr
awn rawn
7. Ensure that other areas of the channel,such as culvert entrances below the and prevent large$Dove from carrying sediment over the dam. Add stones to Scale: y• Q)MDK �
check dams,are not subieet to damage or biockaae from disDlaced stones. dams as needed to maintain design height and cross section. SILT FENCE NTS
c
CHECK DAM NTS Sheet: Designed by:
MDK j
NTS
Reviewed by: o
C 1 Z of 15 JEH ss
N
N
O
Project Number: Date: N
DDS JOB#: 2022-15 NOV 2022

RAFTING AND DESIGN O
SERVICES, INC.
Sediment Basin# 1 Sediment Basin# 2 Sediment Basin# 3
6728 Carbonton Road
Calculate Flow-Rational Method Calculate Flow-Rational Method Calculate Flow-Rational Method Sanford, North Carolina 27330
10-Yr Storm 25-Yr Storm 10-Yr Storm 25-Yr Storm 10-Yr Storm 25-Yr Storm
Q19--CIA C= 0.30 Q25-CIA C= 0.30 Q19--CIA C= 0.30 Q25-CIA C= 0.30 Q10--CIA C= 0.30 Q25 CIA C= 0.30 [phone] phone
- - -
1= 9.23 1= 9.28 1= 9.23 1= 9.28 1= 9.23 1= 9.28 [e-mail]
Q10= 26.47 A= 10.72 Q25= 29.84 A= 10.72 Q10= 97.09 A= 39.32 Q2s= 109.47 A= 39.32 Q10= 54.54 A= 22.09 Q2s= 61.50 A= 22.09
2-Yr Storm 2-Yr Storm 2-Yr Storm
Q2-CIA C= 0.30 Q2=CIA C= 0.30 Q2=CIA C= 0.30
1= 6.36 1= 6.36 1= 6.36H/LLl`J.R
Q2= 20.45 A= 10.72 Q2= 75A2 A- 39.32 Q2= 42.15 A- 22.09 ENGINEERING, PLL C
3417 Winterwind Circle, Sanford,NC 27330
Calculate Required Surface Area Calculate Required Surface Area Calculate Required Surface Area PO Box 249,Sanford, NC 27331
Phone:[phone]
SA-Q25 x 435 sf/cfs Q25- 29.84 SA-Q25 x 435 sf/cfs Q25- 109.47 SA-Q25 x 435 sf/cfs Q25- 61.50 e-mail:jhillC Licenilliardengineering.com
NC License#:P-0836
SA- 12982.35 ft' SA- 47618.09 ft' SA- 26751.87 ft'
Side Slopes= 3.00 :1 Side Slopes= 3.00 :1 Side Slopes= 3.00 :1
Pond Depth= 5,00 ft Pond Depth= 5,00 ft Pond Depth= 5,00 ft
Basin Dims (Per SA) Basin Dims (Per SA) Basin Dims (Per SA)
Top= 105 x 210 = 22050 sf Top= 180 x 360 = 64800 sf Top= 140 x 280 = 39200 sf
Weir= 85 x 170 = 14450 sf Weir= 160 x 320 = 51200 sf Weir= 120 x 240 = 28800 sf
Bottom= 55 x 110 = 6050 sf Bottom= 130 x 260 = 33800 sf Bottom= 90 x 180 = 16200 sf
Volume Required Volume Required Volume Required
VR=Ax1800 cf/ac A= 10.72 ac VR-Ax1800 cf/ac A= 39.32 ac VR=Ax1800 cf/ac A= 22.09 ac
VR- 19296.00 ft' VR- 70776.00 ft3
VR= 39762.00 ft
Volume Proposed Volume Proposed Volume Proposed PROFESSIONAL ENGINEER'S SEAL
Vp=((Top Area+Bottom Area)/2)xD Weir= 14450.00 Sf Vp=((Top Area+Bottom Area)/2)xD Weir= 51200.00 Sf Vp=((Top Area+Bottom Area)/2)xD Weir= 28800.00 Sf
Bottom= 6050.00 sf Bottom= 33800.00 Sf Bottom= 16200.00 Sf
Vp= 51250,00 ft3 D= 5.00 ft Vp= 212500.00 ft3 D= 5.00 ft Vp= 112500,00 ft3 D= 5.00 ft
Basin has no outlet-to be permanent pond dug out with excavation Basin has no outlet-to be permanent pond dug out with excavation Basin has no outlet-to be permanent pond dug out with excavation
Weir Sizing Weir Sizing Weir Sizing
Per AutoCad HydraflowSo€tware Per AutoCad HydraflowSo€tware Per AutoCad HydraflowSo€tware vJ
L= 12 ft L= 45 ft L= 30 ft O
D= 2 ft D= 2 ft D= 2 ft -
dwater 0.79 ft dwater= 0.83 ft dwater= 0.74 ft Q
Q25= 29.84 cfs Q25= 109.47 cfs Q25= 61.50 cfs LU
Velocity= 2.64 ft/s Velocity= 2.78 ft/s Velocity- 2.58 ft/s J J
Z O
W a J
a = U
WW oM o
FZ
m > z
m � Z o
J � n v
Q 0 z
V � o
Sediment Basin# 4
O V)
LUCalculate Flow-Rational Method L O
LU
10-Yr Storm 25-Yr Storm J
Qlg=CIA C= 0.30 Q25=CIA C= 0.30
1= 8.23 1= 9.28
Q10= 100.07 A= 40.53 Q25= 112.84 A= 40.53
2-Yr Storm
Q2-CIA C= 0.30
1= 6.36
Q2= 77.33 A- 40.53
Calculate Required Surface Area
SA=Q25 x 435 sf/cfs Q25= 112.84
REVISIONS
SA- 49083.45 ft'
Side Slopes= 3.00 :1
Pond Depth= 5,00 ft
Basin Dims (Per SA)
Top- 180 x 360 = 64800 sf
Weir= 160 x 320 = 51200 sf N
Bottom= 130 x 260 = 33800 sf o
N
Volume Required
VR=Ax1800 cf/ac A= 40.53 ac
m
VR- 72954.00 W
a
Volume Proposed
a
Vp=((Top Area+Bottom Area)/2)xD Weir= 51200.00 Sf E
Bottom= 33800.00 Sf a
Vp= 212500,00 ft' D= 5.00 ft
Basin has no outlet-to be permanent pond has no outlet-to be permanent pond dugout with excavation
excavation c
g
a�
Weir Sizing
c
m
Per AutoCad HydraflowSo€tware j
0
L= 50 ft AGENCY REVIEW ONLY N
D= 2 ft
dwater= 0.79 ft
NOT FOR CONSTRUCTION U
Q25= 112.84 cfs z
Velocity= 2.73 ft/s o
c
m
J
Scale: Drawn by: Q)
MDK
NTS Q,
Q)
Sheet: Designed by:
MDK j
LO
Reviewed by: o
C 13 of 15 JEH N
N
Project Number: Date: N
iv
DDS JOB M 2022-15 NOV 2022

RAFTING AND DESIGN O
Temporary Diversion/Berm# 1 =>DA# 101 Ta I,a.ryCIN-lon7ae-Ill -1DA" S
Temporary Diversion/Berm# 7 =>DA# 301 SERVICES, IN
C.
Calouiate Flow.Natbnal Method
25-Yr5t-
Calculate Flow-Rational Method w,=CIA C= 0.30 Calculate Flow-Rational Method 6728 Carbonton Road
25-YrStorm 1= 9.28in°` 25-YrStorm
`+2s=CIA C= 0.30 Q. 23.75 A- 8.53 ac r�
`45=cIA c= 0.30 Sanford, North Carotins 27330
1= 9.28 in/hr ChannelSWe= 0.Ds
Channel Depths ']:SD 1= 9.28 in/hr [phone] phone
Q25= 8.88 A= 3.19 ac Clotmm wldth= CAC Q�5= 53.98 A= 19.39 ac
Sid.Slepes= 3.00 draftinganddesignC�ymaiLeom
Vey 147
still 7W.tMsandyloam 5lcpes.0-10.%A Channel Slope= 0.05
Channel Slope= 0.80
Channel Depth= 1.50 ChannelLinlna Channel Depth= 2.00
Bottom width=FW 0.00 shearCalwlauan Bottom width= 10.00
Side Slopes= 3.00
Tryds 62.4 ms Side Slopes= 3.00
Velocity= 5.41 Velocity= 2.82 H LL/� _
Soil Type @ sandy loam slopes=0-10% T= D-DsSaaa 1a rfi' I ft tt Soil Type @ sandy loam Slopes=0-10%
Temporary=NAG S758N ENGINEERING PLLC
Channel Lining Pa.manent=sa'm°dagass 1
Channel Lining
Temporary Dwmlat/8erm k 4 1=>DA# ® 3417 Winterwind Circle,Sanford,NC 27330
Shear Calculation NC 27331
Calculate Flow.eatbnal Metlgtl Shear Calculation PO OX ,Sanford,
Phone:[phone]
T=yds y= 62.4 lbs zs rrsmrm e-mail:[e-mail]
g
e-mal: � lar I lar en Ineenn corn
Qs=clA C= 0.30 T=yds y= 62.4 Ibs
dwatcr 0
NC License#:P-0836
.74 ft l= 8.99 in/hr
T= 0.359408 lbs/ft' S= 0.008 ft/ft Q"` 5 A= 6'44ac z d .001 ft
Cl a.n I5looe= 9.35 T= 0.042432 Ibs/ft s= 0001 ft/ft
Channel Depth- 2A0
Temporary= NAG 575BN 8oltpm width= CM
Permanent= Bermudagrass Sid.5W. 1M Temporary= NAG S75BN
g velace- 4.73 Permanent= Bermudagrass
SaUTwedh sandy loam Slo 610%
Temporary Diversion/Berm#&L2�=>DA# 102 Channel unlnc
Shearealtulatien
Calculate Flow-Rational Method T=yd, y 62.4 m,
d„,�M fi
25-Yr Storm T- 0.24D74 IWIt' ft/ft
Q25=CIA C- 0.30 Temporary=NAG S75M 1�
1- 8.89 in/hr Permanent-Barmuda8aas
Q25= 16.99 A= 6.37 ac Temporary Cli-sion/germ" 5 -,DA# 2D3
Channel Slope= 0.08 Calculate Fim national MeiWd
zs-rrsrorm
Channel Depth= 2.50
4ts=CEA C= 0.30
Bottom width= 0.00 l= 8.89 in/hr
Side Slopes= 3.00 Qts= 14.75 A= 5.53ac PROFESSIONAL ENGINEER'S SEAL
Velocity- 2.69 ehnnne151- V.31
ng
Soil Type @ sandy d loamSlopes=0-10% Chan Ri.wltlidth= zoo
B ottom th= 0.00
51de 51cues= 300
Channel Lining e4-
Soil
T 429
v�n �santly learn Slopes=p.1096-
Channel unln¢
Shear Calculation
Shear Calculation
T=yds y= 62.4 lbs T_yes KA
dwata ®ft T- 0.2M9808 lb,/ft' ft1ft
T= 0.072384 lbs/ft' 5= ft/ft Temporary=NAG 575BN
Permanent=eetmaaasau r n
Temporary= v
remparary owersinnldetm rr ®_>oA n
Permanent=
Calculate Flow.eatronal Method O
ZS.Yr Storm
Qrs-CIA C= 0.30
l= 8-89 Whr
`s= 34.14 A= 12.60 ac Q-TD4+TDS+MS a
68.W
[hannelSWtle-ChannelDepthsfG.23
2.D0WBpttam width- 45.00Sidesbpes� 3.4
el va' - 5.47
sail Tvpe ea saneV loam Slopes-D-foss 19 O ' `
Cla nne l I.W.8 V
shearCalcvlalion W a J
T=yds v= 62.4 Ibs
ft a = U
T= 0.1923168 1bs/fi' s= rVfl
Temporary=? BAY
Permanent= J
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Temporary Diversion/Berm# 8 =>DA# 401 O
O
Calculate Flow-Rational Method 0
25-Yr storm W Z
Q25=CIA C= 0.30 LU
1- 9.28 in/hr
Q25= 35.86 A= 12.88 ac
Channel Slope= 0.01
Channel Depth= 2.50
Bottom width= 10.00
Side Slopes= 3.00
veloci = 1,41
Soil Type @ sardy loam Slopes=0-10%
Channel lining
Shear Calculation
T=yds y= 62.4 lbs
dwater 1.69 ft
T= 0.0105456 Ibs/ft2 5= 0.000 ft/ft
Temporary= NAG S758N
Permanent- Bermudagrass
REVISIONS
Temporary Diversion/Berm# 9 ->DA# MEW
Calculate Flow-Rational Method
25-Yr Storm
Q,s=CIA C= 0.30
1= 8.99 in/hr
Qzs= 51.47 A= 19.30 ac
Channel Slope= D.11 N
Channel Depth= 2.00 C,
Bottom width= 10.00
Side Slopes= 3.00
velocity= 3.64
Soil Type @ sandy loam Slopes=0-10%
Channel n ng
Shear Calculation
T=yds y- 62.4 lbs
a
dwa,P.= 1.07 ft
T= 0.0734448 lbs/ft' 5- 0.0D11 ft/ft E
a
Temporary- NAG S75BN N
Permanent= Bermudagrass
Temporary Diversion/Berm# 10 =>DA#
N
G
N
Calculate Flow-Rational Method
25-Yr Storm
Qts=CIA C= 0.30
1- 8.89 in/hr
025= 12.21 A= 4.58 ac O
t�
Channel Slope= 0.14 AGENCY REVIEW ONLY N
Channel Depth= 2.00 N
Bottomwidth= 0.00 NOT FOR CONSTRUCTION
Side Slopes= 3.00
U
z
Velocity= 3.08
Soil Type @ sandy loam Slopes=0-10%
Channel lining
J
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Shear Calculation M D K
NTS g
T yds y= 62A lbs c
dwate<# 1.15 it
T= 0,0975936 Ibs/ft2 5= 0.00136 ft/ft Sheet: Designed MDKLO
j
Temporary= NAG S75BN
LO
Permanent= Bermudagrass
Reviewed by: o
C 14 of 15 JEH N
0
Project Number: Date: N
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DDS JOB#: 2022-15 NOV 2022

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200 0 100 200 400 Project Number: Date: N
DDS JOB M 2022-15 NOV 2022
SCALE: 1" = 220'