SW3230602_Plansheet - Other_20230914

CONSTRUCTION SEQUENCE EROSION CONTROL NOTES:
8. INSTALL WELLS AND SEPTIC SYSTEMS. MINIMAL DISTURBANCE SHALL BE MADE 7. UNION COUNTY IS NOT RESPONSIBLE FOR THE ACCURACY AND ADEQUACY OF REQUIRED GROUND STABILIZATION TIMEFRAMES
1. OBTAIN APPROVAL LETTER FOR EROSION CONTROL AND SCHEDULE DURING INSTALLATION OF WELLS&SEPTIC SYSTEMS AND ALL AREAS SHALL BE 1. AS REQUIRED BY THE NPDES GENERAL PERMIT NCG010000,ALL PERIMETER
PRE-CONSTRUCTION MEETING ON-SITE WITH THE DEMLR SPECIALIST. ALL APPROVED STABILIZED IMMEDIATELY UPON COMPLETION. 3 DIKES,SWALES, DITCHES, PERIMETER SLOPES AND ALL SLOPES STEEPER THE DESIGN, DIMENSIONS,AND ELEVATIONS, WHICH SHALL BE CONFIRMED
PLANS AND REQUIRED PERMITS WILL BE ISSUED AT THE MEETING PRIOR TO ANY THAN 3 HORIZONTAL TO 1 VERTICAL 3:1 SHALL BE PROVIDED TEMPORARY OR AND CORRELATED AT THE JOB SITE. UNION COUNTY, THROUGH THE z
9. SEED AND MULCH DENUDED AREAS IMMEDIATELY AFTER FINISHED GRADES ARE ( ) STABILIZE MIN THIS MANY
APPROVAL OF THIS DOCUMENT,ASSUMES NO RESPONSIBILITY FOR THE - �''� �
LAND DISTURBING ACTIVITY. PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE I� W f�
ESTABLISHED. COMPLETENESS AND/OR ACCURACY OF THIS DOCUMENT. SITE AREA CALENDAR DAYS AFTER ce a0 > o
BUT IN ANY EVENT WITHIN 7 CALENDAR DAYS FROM THE LAST LAND TIMEFRAME VARIATIONS
2. FLAG THE WORK LIMITS AND BUFFER AREAS FOR PROTECTION. DISTURBING ACTIVITY.ALL OTHER DISTURBED AREAS SHALL BE PROVIDED DESCRIPTION CEASING LAND W Q co N
10. MAINTAIN SOIL EROSION CONTROL MEASURES UNTIL A PERMANENT GROUND COVER TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON 8. THE FINANCIALLY RESPONSIBLE PARTY/AGENT OR THE LANDOWNER/AGENT OF DISTURBANCE W U W U N
3. INSTALL CONSTRUCTION ENTRANCE,SILT FENCE, DIVERSION DITCHES, CHECK DAMS, IS ESTABLISHED. AS PRACTICABLE BUT IN ANY EVENT WITHIN 14 CALENDAR DAYS FROM THE A LAND DISTURBING ACTIVITY>ONE ACRE IS REQUIRED TO SELF-INSPECT THE - � Lu z
SKIMMER BASINS AND ALL EROSION CONTROL MEASURES AS SHOWN ON APPROVED LAST LAND DISTURBING ACTIVITY. GROUND STABILIZATION TIMEFRAME PROJECT. A SELF INSPECTION,AS WELL AS DOCUMENTATION OF A PROJECT W o
PERIMETER DIKES, _i N o
11. ADDITIONAL MEASURES MAY BE REQUIRED BASED UPON ACTUAL SITE CONDITIONS. AFTER EACH PHASE OF THE PROJECT, IS REQUIRED. Cn m 00 a)
PLAN. CLEAR ONLY THE AREA NECESSARY FOR EROSION CONTROL MEASURE EXEMPTIONS CAN BE FOUND IN THE NPDES GENERAL PERMIT NCG010000 SWALES, DITCHES& 7 NONE Z Q o0 Eb
INSTALLATION. BASINS AND DITCHES SHALL BE STABILIZED IMMEDIATELY UPON UNDER SECTION 2.B. GROUND STABILIZATION. PERIMETER SLOPES z W z 11 M
INSTALLATION. 12. COMPLETE FINAL GRADING OF STREETS AND STABILIZE WITH GRAVEL. 9. IF ANY EXCESS SOIL IS HAULED OFFSITE OR IMPORTED IT MUST BE TO OR Lu
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2. REMOVE ALL TEMPORARY EROSION CONTROL DEVICES AND STRUCTURES FROM AN APPROVED PERMITTED SITE. J z
HIGH QUALITY Q �-
4. PROCEED WITH ON-SITE CLEARING AND GRADING. REMOVE EXISTING UTILITIES AND 13. APPROVED LANDSCAPCOMPLETE FINAL E PLANS OF. FROM
AND PERMANENTLY VEGETATE PER ONLYAFTER SITE IS FULLY STABILIZED AND APPROVAL HAS BEEN OBTAINED 10. MATERIAL HANDLING PROCEDURES FOR THE ITEMS REQUIRED IN PART II, WATER(HQW)ZONES 7 NONE Lu � Q
STRUCTURES AS SHOWN ON THE APPROVED PLAN. FROM THE NCDEMLR INSPECTOR. J cr Q
SECTION F OF THE NGC01 GENERAL PERMIT WILL BE FOLLOWED. N Z
14. REQUEST AN INSPECTION AND UPON APPROVAL REMOVE SOIL EROSION CONTROL SLOPES STEEPER IF SLOPES ARE 10'OR LESS IN LENGTH AND ARE
5. CLEAN SEDIMENT BASINS WHEN ONE-HALF FULL. CHECK AFTER EVERY RAIN EVENT. 3. ALL EROSION CONTROL DESIGNS SHALL BE IN ACCORDANCE WITH THE 7
MAINTAIN RAIN GAUGE AND RECORD KEEPING PER NPDES PERMITTING MEASURES AND STABILIZE THESE AREAS. NCDENR EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN 11. IF LAND DISTURBING ACTIVITY AND ANY RELATED BORROW OR WASTE THAN 3:1 NOT STEEPER THAN 2:1, 14 DAYS ARE ALLOWED Q
REQUIREMENTS. MANUAL, LATEST EDITION. ACTIVITY ARE NOT CONDUCTED BY THE SAME PERSON THEY SHALL BE Lu
15. IF COMPOST BLANKETS ARE TO BE INSTALLED FOR TEMPORARY EROSION/SEDIMENT CONSIDERED SEPARATE LAND DISTURBANCE ACTIVITIES. 7 DAYS FOR SLOPES GREATER THAN 50'IN LENGTH
6. ROUGH GRADE STREETS, STOCKPILE TOPSOIL, CONSTRUCT CHANNELS, INSTALL CONTROL, INSTALLATION AND MAINTENANCE SHALL BE IN ACCORDANCE WITH 4. FOR PHASED EROSION CONTROL PLANS, THE CONTRACTOR SHALL MEET WITH AND WITH SLOPES STEEPER THAN 4:1
CULVERTS AND OUTLET PROTECTION,AND INSTALL SILT FENCE AND STONE OUTLETS SECTION 6.18 IN THE NORTH CAROLINA EROSION AND SEDIMENT CONTROL PLANNING THE EROSION CONTROL SPECIALIST PRIOR TO COMMENCING EACH PHASE OF 12. LOT AREAS ARE NOT INTENDED TO BE GRADED AND SHOULD BE LEFT
AS NEEDED. MAINTAIN DIVERSIONS ALONG TOP OF FILL SLOPES DAILY. AND DESIGN MANUAL. EROSION CONTROL MEASURES. UNDISTURBED AT EXISTING GRADE. THIS DEVELOPMENT IS CONSIDERED A SLOPES 3:1 TO 4:1 14 7 DAYS FOR PERIMETER DIKES,SWALES, DITCHES,
LOW DESNITY PROJECT AND DOES NOT REQUIRE POST-CONSTRUCTION PERIMETER SLOPES AND HQW ZONES
7. INSTALL STORM DRAINAGE PER APPROVED PLANS.STORM INLETS SHALL HAVE INLET 16. UPON COMPLETION OF ALL GRADING ACTIVITIES, UTILITY INSTALLATIONS,AND STORM 5. SITE GRADING IS TO BE COVERED UNDER THE GENERAL STORMWATER STORMWATER CONTROL MEASURES(SCMS). THIS INCLUDES THE INSTALLATION
PROTECTION INSTALLED IMMEDIATELY. ONCE STORM DRAINAGE SYSTEMS ARE DRAINAGE SYSTEMS (INCLUDING STABILIZED OUTFALL STRUCTURES),SEDIMENT PERMIT NCG010000. ANY LAND DISTURBING ACTIVITY> 1 ACRE REQUIRES OF SEPTIC TANKS AND FIELDS. DEVELOPER/BUILDER WILL BE RESPONSIBLE \01 1 1 I I I I I II
COMPLETED, ROUTE RUNOFF TO INLETS. INLET PROTECTION SHALL REMAIN IN PLACE BASINS SHALL BE REMOVED AND AREAS RESTORED TO FINAL GRADE. PERMANENTLY COMPLIANCE WITH ALL CONDITIONS OF THIS GENERAL PERMIT UNDER THE FOR ANY LOT DISTURBANCES AT A LATER DATE. 10 DAYS FOR FALLS LAKE WATERSHED \\\\ N CARD
UNTIL ALL AREAS ARE PERMANENTLY STABILIZED. STABILIZE AND VEGETATE ALL AREAS. NPDES. ANY NONCOMPLIANCE IS A VIOLATION OF THE CLEAN WATER ACT AND
13. ANY TREES WITH DRIPLINE WITHIN LIMITS OF DISTURBANCE SHALL HAVE TREE 7 DAYS FOR PERIMETER DIKES,SWALES, DITCHES, Q�•'FE•SS/�•.,�7i
MAY REQUIRE ENFORCEMENT BY NCDENR. PROTECTION FENCING INSTALLED PRIOR TO CONSTRUCTION. AREAS WITH SLOPES PERIMETER SLOPES AND HQW ZONES �i 9 ;
6. THE PROFESSIONAL ENGINEER REGISTERED WITH THE STATE OF NORTH FLATTER THAN 4:1 14 10 DAYS FOR FALLS LAKE WATERSHED - SEAL 9<
CAROLINA WHO PREPARED THE EROSION CONTROL PLAN IS SOLELY 14. EACH LOT WILL BE REQUIRED TO APPLY FOR AN INDIVIDUAL EROSION
RESPONSIBLE FOR IDENTIFICATION AND LOCATION OF ALL ENVIRONMENTAL CONTROL PERMIT AS THEY ARE BUILT. = 04550 -
WETLANDS, PERENNIAL AND INTERMITTENT STREAMS AND BUFFERS SHOWN
ON THE PLANS. I N .• G
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I N:506783.77 \ OWNERS:EMERALD
I E:1590888.48 I \ I POINTE REALTY& / Op
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/ PARCEL ID:01144020 POINTE REALTY& POINTE REALTY& I CONSTRUCTION INC POINTE REALTY& CONSTRUCTION INC \ I ;
OWNERS:DRYE BOBBY LANE / CONSTRUCTION INC / CONSTRUCTION INC CONSTRUCTION INC ZONE:RA-40
ZONE:RA-40 ZONE:RA-40 I / ( IN FEET )
ZONE:RA-40 ZONE:RA-40 I \ ZONE: \ 1 inch = 40 ft. C 3 O
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REF. C-3.0 FOR EROSION
North American Green North American Green North American Green North American Green
NORTH 5401 St.Wendel-Cynthiana Rd. NORTH 5401 St.Wendel-Cynthiana Rd. NORTH 5401 St.Wendel-Cynthiana Rd. NORTH 5401 St.Wendel-Cynthiana Rd.
AMERICAN Poseyville,Indiana 47633 AMERICAN Poseyville,Indiana 47633 AMERICAN Poseyville,Indiana 47633 AMERICAN Poseyville,Indiana 47633 CONTROL NOTES & -ce � Lu rn
GREEN Tel.[phone] LIGREEN Tel.[phone] SIGREEN Tel.[phone] GREEN Tel.[phone] co �-,; o
CONSTRUCTION SEQUENCE LU
>Fax [phone] >Fax [phone] Q
>Fax [phone] >Fax [phone] O N N
www.nagreen.com www.nagreen.com www.nagreen.com www.nagreen.com L U p U Lz1l V N
ECMDS v7.0 ECMDS v7.0 ECMDS v7.0 ECMDS v7.0 z z VN •�
CHANNELANALYSIS CHANNELANALYSIS m Co �
S
CHANNELANALYSIS CHANNELANALYSIS � N o
>>>Ex Swale 1 A >>>Ex Swale 18
>>>Ex Swale 1 C >>>Swale CavalryS
Name Ex Swale I Name Ex Swale 1 B Name Ex Swale 1C Name Swale Cavalry S
Discharge 1.34 Discharge 2.04 , o
Discharge 2.51 Discharge 1.01 EROSION CONTROL LEGEND w � Q 7P
Channel Slope 0.041 Channel Slope 0.044 Channel Slope 0.022 Channel Slope 0.03 J z
Channel Bottom Width 0 Channel Bottom Width 0 Channel Bottom Width o Channel Bottom Width o DESCRIPTION SYMBOL ON PLANS LU ® C M Q
Left Side Slope 3 Left Side Slope 3 Left Side Slope 3 Left Side Slope 3 __j Q
Right Side Slope 3 Right Side Slope 3 Right Side Slope 3 Right Side Slope 3 Q9 LL CV z
Low Flow Liner Low Flow Liner Low Flow Liner Low Flow Liner LIMITS OF DISTURBANCE �
Retardence Class C 6-12 in Retardenoe Class C 6-12 in Retardence Class C 6-12 in Retardence Class C 6-12 in
Vegetation Type Mix(Sod and Bunch) Vegetation Type Mix(Sod and Bunch) Vegetation Type Mix(Sod and Bunch) Vegetation Type Mix(Sod and Bunch) DRAINAGE AREA DELINEATION L U
Vegetation Density Good 65-79% Vegetation Density Good 65-79% Vegetation Density Good 65-79% Vegetation Density Good 65-79%
Soil Type Silt Loam(SM) Soil Type Silt Loam(SM) Soil Type Sill Loam(SM) Soil Type Silt Loam(SM) SILT FENCE(NCDEQ 6.62) -❑-❑-❑-❑-❑-
S75 S75 S75 S75 TREE PROTECTION FENCE ---rP----TP
Normal Permissible Calculated Safety Staple Normal Permissible Calculated Safety Staple Normal Permissible Calculated Safety Staple Normal Permissible Calculated Safety Staple
Phase Reach Discharge Velocity Mannings N Remarks Phase Reach Discharge Velocity Mannings N Remarks Phase Reach Discharge Velocity De Mannings N Remarks Phase Reach Discharge Velocity Mannings N Remarks
Depth Shear Stress Shear Stress Factor Pattern Depth Shear Stress Shear Stress Factor Pattern Dept Shear Stress She
Stress Factor Pattern Depth Shear Stress Shear Stress Factor Pattern
S75 Unvegetated Straight 1.34 cfs 2.93 ft/s 0.39 ft 0.033 1.6 lbs/ft2 0.99lbs/ft2 1.62 STABLE D S75 Unvegetated Straight 2.04 cfs 3.43 ft/s 0.45 ft 0.032 1.6 lbs/ft2 1.22 Ibs/ft2 1.31 STABLE D S75 Unvegetated Straight 2.51 cfs 2.66 ft/s 0.56 ft 0.034 1.6 lbs/ft2 0.77 lbs/ft2 2.08 STABLE D S75 Unvegetated Straight 1.01 cfs 2.36 ft/s 0.38 ft 0.035 1.6 lbs/ft2 0.71 lbs/ft2 2.26 STABLE D RIPRAP
\��IIIIIII///
Underlying Straight 1.34 cfs 2.93 ft/s 0.39 It 0.033 1.17 lbs/ft2 0.47 lbs/ft2 2.5 STABLE D Underlying Straight 2.04 cfs 3.43 ft/s 0.45 ft 0.032 1.17 Ibs/ft2 0.58 Ibs/ft2 2.02 STABLE D Underlying Straight 2.51 cfs 2.66 ft/s 0.56 ft 0.034 1.17 lbs/ft2 0.37 lbs/ft2 3.21 STABLE D Underlying Straight 1.01 cfs 2.36 ft/s 0.38 it 0.035 1.17 Ibs/ft2 0.34 lbs/ft2 3.49 STABLE D \\,(
Substrate Substrate Substrate Substrate CA\\\\ `N RO
Unreinforced Vegetation Unreinforced Vegetation Unreinforced Vegetation Unreinforced Vegetation 3 \ �� ,OFESS/0
Normal Permissible Calculated Safety Staple Normal Permissible Calculated Sa Sta le Normal Permissible Calculated Safety Staple Normal Permissible Calculated SafetyStaple 9
Phase Reach Discharge Velocity Mannings N Remarks Phase Reach Discharge Velocity Mannings N �'' Remarks P Phase Reach Discharge Velocity Mannings N Remarks Phase Reach Discharge Velocity Mannings N Remarks p .� SEAL
Depth Shear Stress Shear Stress Factor Pattern Depth Shear Stress Shear Stress Factor Pattern Depth Shear Stress Shear Stress Factor Pattern Depth Shear Stress Shear Stress Factor Pattern _ (;+ -
Unreinforced Straight 1.34 cfs 1.93 ft/s 0.48 ft 0.058 4lbs/ft2 1.23 lbs/ft2 3.25 STABLE -- Unrelnforced Straight 2.51 cfs 1.67 ft/s 0.71 ft 0.064 4lbs/ft2 0.97 Ibs/ft2 4.11 STABLE -- - f J _
Unreinforced Straight 2.04cfs 2.33ft/s 0.54ft 0.054 41bs/ft2 1.481bs/ft2 2.7 STABLE -- Unreinforced Straight 1.Olcfs 1.46ft/s 0.48R 0.06fi 41hs/ft2 0.91bs/ft2 4.45 STABLE -- TOTAL DISTURBED AREA. .27 A
vegetation vegetation O 0 C 045509
Vegetation Vegetation -_ _
Underlying Straight 1.34 cfs 1.93 ft/s 0.48 ft 0.058 3.7 Ibs/R2 0.58 lbs/ft2 6.34 STABLE -- Underlying Straight 2.04 cfs 2.33 ft/s 0.54 ft 0.054 3.18 Ibs/ft2 0.7 Ibs/ft2 4.53 STABLE -- Underlying 1 Straight 2.51 cfs 1.67 ft/s 0.71 ft 0.064 41bs/ft2 0.46 Ibs/ft2 8.67 STABLE -- Underlying Straight 1.01 cfs 1.46 ft/s 0.48 ft 0.066 4 lbs/ft2 0.43 lbs/ft2 9.37 STABLE --
Substrate Substrate Substrate Substrate
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Area(ac) (ft) Slope Width(ft) Slope(H:1V) Liner Q(cfs) V(fps) Depth(ft) z o Q
w
z
c�
Permanent Swale Cavalry S 0.52 116 3.0% 0.0 3.0 S75 1.25 2.49 0.40 m w
Existing Swale 1A 0.56 482 4.1% 0.0 3.0 N/A 1.34 2.93 0.39 °
Existing Swale 1B 0.85 736 4.4% 0.0 3.0 N/A 2.04 3.43 0.45 GRAPHIC SCALE
Existing Swale IC 1.04 438 2.2% 0.0 2.5 N/A 2.51 2.66 0.56 0 40' so' Sheet
( IN FEET ) C-3- 1
1 inch = 40 ft.