SW1210503_Plansheet - Grading/Drainage_20210903

NOTES
GROUND STABILIZATION
1. SOIL STABILIZATION SHALL BE ACHIEVED ON ANY AREA OF A SITE WHERE
LAND -DISTURBING ACTIVITIES HAVE TEMPORARILY OR PERMANENTLY CEASED
ACCORDING TO THE FOLLOWING SCHEDULE:
1.a. ALL PERIMETER DIKES, SWALES, DITCHES, PERIMETER SLOPES AND ALL
SLOPES STEEPER THAN 3 HORIZONTAL TO 1 VERTICAL (3:1) SHALL BE
PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND
COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 7 CALENDAR
DAYS FROM THE LAST LAND -DISTURBING ACTIVITY.
1.b. ALL OTHER DISTURBED AREAS SHALL BE PROVIDED TEMPORARY OR
PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS
PRACTICABLE BUT IN ANY EVENT WITHIN 14 CALENDAR DAYS FROM THE
LAST LAND -DISTURBING ACTIVITY.
2. CONDITIONS - IN MEETING THE STABILIZATION REQUIREMENTS ABOVE, THE
FOLLOWING CONDITIONS OR EXEMPTIONS MAY SHALL APPLY:
2.a. EXTENSIONS OF TIME MAY BE APPROVED BY THE PERMITTING AUTHORITY
BASE ON WEATHER OR OTHER SITE -SPECIFIC CONDITIONS THAT MAKE
COMPLIANCE IMPRACTICABLE.
2.b. ALL SLOPES 50'IN LENGTH OR GREATER SHALL APPLY GROUND COVER
WITHIN 7 DAYS EXCEPT WHEN THE SLOPE IS FLATTER THAN 4:1. SLOPES
6- LESS THAN 50'SHALL APPLY GROUND COVER WITHIN 14 DAYS EXCEPT
WHEN SLOPES ARE STEEPER THAN 3:1, THE 7-DAY REQUIREMENT APPLIES.
Ilk* 2.c. ANY SLOPED AREA FLATTER THAN 4:1 SHALL BE EXEMPT FROM THE 7-DAY
GROUND COVER REQUIREMENT.
2.d. SLOPES 10'OR LESS IN LENGTH SHALL BE EXEMPT FROM THE 7-DAY
GROUND COVER REQUIREMENT EXCEPT WHEN THE SLOPE IS STEEPER
THAN 2:1.
Sx- 2.e. ALTHOUGH STABILIZATION IS USUALLY SPECIFIED AS GROUND COVER,
14 SOUTH RN RAILWAY OTHER METHODS, SUCH AS CHEMICAL STABILIZATION, MAY BE ALLOWED ON
200'RAN( RP.B.3,PG.15) A CASE -BY -CASE BASIS.
\81k 21. FOR PORTIONS OF PROJECTS WITHIN THE SEDIMENT CONTROL
Nil
RIPRAP OUTLET PROTECTION
-4ko'l - I L/) COMM ISSION-DEFI NED "HIGH QUALITY WATER ZONE", STABILIZATION WITH
Z& FOR SKIMMER BASIN GROUND COVER SHALL BE ACHIEVED AS SOON AS PRACTICABLE BUT IN
(SEE SIZING SPECIFICATIONS SHEET C4.0) ANY EVENT ON ALL AREAS OF THE SITE WITHIN 7 CALENDAR DAYS FROM
F \\\\\ - �, 1 1111, THE LAST LAND -DISTURBING ACT.
SKIMMER BASIN 2.g. PORTIONS OF A SITE THAT ARE LOWER IN ELEVATION THAN ADJACENT
PER 01/C5.1
DISCHARGE LOCATIONS AND ARE NOT EXPECTED TO DISCHARGE DURING
CONSTRUCTION MAY BE EXEMPT FROM THE TEMPORARY GROUND COVER
x
(SEE SHEET C4.0)
REQUIREMENTS IF IDENTIFIED ON THE APPROVED E&SC PLAN OR ADDED BY
THE PERMITTING AUTHORITY.
3. THE ANGLE FOR GRADED SLOPES AND FILLS SHALL BE NO GREATER THAN THE
STOCKPILE PER SHEET 4414111, ANGLE THAT CAN BE RETAINED BY VEGETATIVE COVER OR OTHER ADEQUATE
I EROSION -CONTROL DEVICES OR STRUCTURES. IN ANY EVENT, SLOPES LEFT
CO.1, SECTION F, EARTHEN
STOCKPILE MANAGEIVIEN I EXPOSED WILL, WITHIN 14 CALENDAR DAYS OF COMPLETION OF ANY PHASE OF
116k, GRADING, BE PLANTED OR OTHERWISE PROVIDED WITH TEMPORARY OR
71 PERMANENT GROUND COVER, DEVICES, OR STRUCTURES SUFFICIENT TO
cl�
RESTRAIN EROSION.
DIVERSION DITCH -
40
36 3:1 SIDE SLOPES 4. PROVISIONS FOR GROUND COVER SUFFICIENT TO RESTRAIN EROSION MUST BE
PER 05/C5.0 LIMITS OF CONSTRUCTION ACCOMPLISHED WITHIN1 5 WORKING DAYS OR 90 CALENDAR DAYS FOLLOWING
THE COMPLETION OF CONSTRUCTION DEVELOPMENT, WHICHEVER PERIOD IS
SHORTER.
EROSION CONTROL MATTING
ROCK CHECK DAM, TYP.
PER 08/C5.0
5. THE LAND DISTURBING ACTIVITY SHALL BE CONDUCTED IN ACCORDANCE WITH
THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN.
1,50
SEEINSET SILT FENCE SEDIMENT I=_MkJ0IkJIN Ili I MkJL I IkJIN
1. THE PURPOSE OF SELF -INSPECTION IS TO MAKE SURE THAT THE APPROVED
OUTLET PER 07/C5.0
EROSION AND SEDIMENTATION CONTROL PLAN IS BEING FOLLOWED, WHICH
INCLUDES THE INSTALLATION AND MAINTENANCE OF MEASURES, AND THE
-(SEE SIZING SPECIFICATIONS SHEET C4.0) 2. ALL OF THE EROSION AND SEDIMENTATION CONTROL MEASURES, INCLUDING
50 CY SEbIMENT BASIN WITH 20
RIPRAP OUTLET PROTECTION
THIS SHEET
A�,
A
PROVISIONS OF GROUND COVER IN TIMELY MANNER.
SEDIMENTATION CONTROL BASINS, SEDIMENTATION TRAPS, SEDIMENTATION
TONS OF RIPRAP AND 10 TONS PONDS, ROCK DAMS, TEMPORARY DIVERSIONS, TEMPORARY SLOPE DRAINS,
ROCK CHECK DAMS, SEDIMENT FENCE OR BARRIERS, ALL FORMS OF INLET
OF #57 STONE FILTRATION
SYSTEM PROTECTION, STORM DRAINAGE FACILITIES, ENERGY DISSIPATERS, AND
STABILIZATION METHODS OF OPEN CHANNELS MUST BE INSPECTED.
3. A "SELF- I NSPECTI ON REPORT FOR LAND DISTURBING ACTIVITY AS REQUIRED
j
DIVERSION DITCH 3 SILT FENCE SEDIMENT
OUTLET PER 07/C5.0 OF THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN THAT IS
MUST BE COMPLETED. AN ALTERNATIVE IS TO MAKE NOTATIONS ON THE COPY
DRAINAGE AREA 2 ACRES
DRAINAGE DELINEAT11 N 5
EK KEPT ON THE PROJECT SITE.
4. THE SELF -INSPECTION REPORT FOR LAND -DISTURBING ACTIVITY IS TO BE
COMPLETED AFTER EACH PHASE OF THE APPROVED EROSION AND
"""""BETWEEN SPRING CRE RUNOF F COEFFICIENT 0.60 (BARE SOILS)
AND FRENCH BROAD RIVER 10 CY SEDIMENT BASIN WITH 10
TONS OF RIPRAP AND 4 TONS
OF #57 STONE FILTRATION SEDIMENTATION CONTROL PLAN IS COMPLETE.
SYSTEM 5. THE RECORDS MUST BE MAE AVAILABLE TO THE EROSION CONTROL INSPECTOF
2
OF THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN SHALL
DIVERSION DITCH - 3
DRAINAGE AREA
AT THE SITE. ANY DOCUMENTATION OF INSPECTIONS THAT OCCUR ON A COPY
OCCUR ON A SINGLE COPY OF THE PLAN AND THAT PLAN SHALL BE MADE
2:1 SIDE SLOPES AVAILABLE ON THE SITE. ANY INSPECTION REPORTS SHALL ALSO BE MADE
PER 05/C5.0 AVAILABLE ON THE SITE.
DELINEATION"',,,,,
INSTALL TURF PROJECT LEGEND
REINFORCEMENT .......
EXISTING PROPOSED
MATTING, TYP. SILT FENCE SEDIMENT
44111p 'STRAW BALE DAM, TYP. TOP OF BANK PV EQUIPMENT PAD
OUTLET PER 07/C5.0
ADJOINER LINE BATTERY CONTAINER
INSTALL TL
JRFF�*-�!%l
A PROPERTY LINE INVERTER
REINFORCEMENT
2
OVERHEAD POWER TRANSFORMER/AUX. PAD
DIVERSION DITCH -3 . ... ...
MATTING
0
DRAINAGE AREA = 6 ACRES CURB & GUTTER . ......................................................................... MV SWITCHGEAR
UNOFF COEFFICIENT 0.60 (BARE SOILS)
CONTROL ROOM
LIMITS OF CONSTRUCTION RIGHT OF WAY
EASEMENT LINE PV PANEL
DR INAGE AREA DELINEATION 14jo
%\ 1 14 11
(SEE NOTE THIS SHEET) Q) INSTALL TURF
M_ REINFORCEMENT SANITARY SEWER VEGETATIVE SCREENING
Ni MATTING
LIMITS OF CONSTRUCTION
DIVERSION DITCH - 1 STORM DRAINAGE
_N '/ 1440 GAS LINE PERIMETER FENCE
3:1 SIDE SLOPES
-0-
PER 05/C5.0
WATER LINE SITE ACCESS ROAD
_100-
UNDERGROUND ELECTRIC MAJOR CONTOUR
�441 00
COMPOST
SOCKS
S PER 04/C5.2 UNDERGROUND CABLE MINOR CONTOUR
Ya
ir WOODSLINE PROPOSED WOODS LINE
L PIPE DAYLIGHT 4k RAILROAD
TE"M`0ORARY DIVtRS'(0N
'A
'Full. BERM,TYP. LEASE LINE
EL: 14� /I
4
;1.5
PIPE DAYLIGHT CONCRETE
lq,v ,,�,p
ASPHALT
EL: 1
CD FLOODWAY
o 0
-0\,
4P�TRA-PIPE OR EQUAL 4,31
100-YR FLOOD
500-YR FLOOD
RIPRAP OUTLET PROTECTION
NOTE: (SEE SIZING SPECIFICATIONS SHEET C4.0) MAJOR CONTOUR 100
MINOR CONTOUR
ALL EQUIPMENT PAD t
EL: 1431.5 FOUNDATIONS SHALL BE A NOTE: GUY WIRE
A MINIMUM OF 4" ABOVE
GRADE PER 01/S1.1. UTILITY POLE
/4 34 DRAINAGE AREAS OUTSIDE
319 -D EL: 1431.5 SURVEY SCOPE DELINEATED TREE
S
114,35
1440 / \ "I'll","" " ", I- I FROM MADISON COUNTY GIS
\ 11036 PROVIDED TOPOGRAPHY.
0- EROSION CONTROL INSTALL TURF 0
MATTING PER 08/C5.0 Z .5
REINFORCEMENT
f MATTING DIVERSION DITCH - 2
520 3:1 SIDE SLOPES
Z-1 PER 05/C5.0
PETRA-PIPE OR EQUAL
1,5 35 6
DIVERSION DITCH DI RSION DITCH - 2 Know what's below.
DRA NAGE AREA = 0.76 ACRES
DRAINAGE AREA = 6.72 ACRES
'FF COEFFICIENT 0. 18 (WOODED AREA, SLOPE > 7%
0 30' 60. RUNOFF COEFFICIENT = 0.18 (WOODED AREA, SLOPE > 7%) 1540 RUNO Call before you dig.
0 60' 120'
CIVIL DESIGN
SEI Engineering
Ergineeriil a Worki li by SoLar Energy
SEI PROFESSIONAL SERVICES
39845 MATHEWS LANE
PAONIA, CO 81428
[e-mail]
970.527.3920
ENGINEER
EPC CONTRACTOR
wATZTSILA
WARTSILA NORTH AMERICA, INC
11710 N. GESSNER ROAD, SUITE A
HOUSTON, TX 77064
[phone]
DUKE PROJECT NUMBER
446-14
DUKE SHEET NUMBER
HSPOO-GR-C-PL-01
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UNITED RENEWABLE ENERGY
5895 SHILOH RD STE 104
ALPHARETTA, GA 30005
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PHASE
IFC REV3
DATE 2/10/21
DRAWING SCALE
AS SHOWN
NOTE Ifthis drawing is not 24x36" it has been
revised from its original size the scales noted on
drawing/details are no longer applicable.
DRAWN BY
DRAWN BY
REB
DRAWING NAME
GRADING &
DRAINAGE
C3.1