SWA000146_Plansheet - For Reference Only_20220523

SITE
CAMPUS DR
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LOCATION MAP
NTS
STANDARD DUTY
ASPHALT (CAPABLE OF
SUPPORTING 80,000 LB
LOAD)
HEAVY DUTY CONCRETE
d a FOR DUMPSTER
ENCLOSURE
d d O
a d d STANDARD DUTY
CONCRETE SIDEWALK
d $ AND HANDICAP PARKING
a
SURFACE MATERIAL
SEE DETAIL 1/C9.0
N/F
TOWN OF SILER CITY
DB/PC: 1964/0500
PARCEL ID: 0092878
ZONING: H-I
LAND USE: VACANT
2 SILER CITY SITE NOTES:
a. CALL 811 BEFORE DIGGING TO LOCATE UNDERGROUND UTILITIES*
b. ALL TREE AND SHRUB INSTALLATION SHALL BE IN COMPLIANCE WITH APPENDIX
E OF THE UDO.
c. ALL ON SITE DRIVEWAYS, SIDEWALKS, PARKING LOTS, AND ENTRANCES/EXITS TO
BUILDINGS SHALL BE SUFFICIENTLY AND ADEQUATELY LIGHTED TO ENSURE THE
SECURITY OF PROPERTY/BUILDINGS AND THE SAFETY OF PERSONS.
d. ON SITE LIGHTING SHALL NOT UNNECESSARILY ILLUMINATE ANY OTHER LOT OR
PUBLIC STREET.
e. TO THE EXTENT PRACTICABLE, THIS DEVELOPMENT SHALL CONFORM TO THE
NATURAL CONTOURS OF THE LAND AND NATURAL AND PREEXISTING MANMADE
DRAINAGE WAYS SHALL REMAIN UNDISTURBED.
f. THIS DEVELOPMENT MUST BE PROVIDED WITH A DRAINAGE SYSTEM THAT IS
ADEQUATE TO PREVENT THE UNDUE RETENTION OF SURFACE WATER ON THE
DEVELOPMENT SITE.
g. NO SURFACE WATER MAY BE CHANNELED OR DIRECTED INTO A SANITARY
SEWER.*
h. WHENEVER PRACTICABLE, THE DRAINAGE SYSTEM OF THIS DEVELOPMENT SHALL
COORDINATE WITH AND CONNECT TO THE DRAINAGE SYSTEMS OR DRAINAGE WAYS ON
SURROUNDING PROPERTIES OR STREETS.
i. CONSTRUCTION SPECIFICATIONS FOR DRAINAGE SWALES, CURBS AND GUTTERS,
AND STORM DRAINS ARE CONTAINED IN APPENDIX C.
j. THIS DEVELOPMENT SHALL BE CONSTRUCTED AND MAINTAINED SO THAT
ADJACENT PROPERTIES ARE NOT UNREASONABLY BURDENED WITH SURFACE WATERS
AS A RESULT OF SUCH DEVELOPMENTS*
k. NO DEVELOPMENT MAY BE CONSTRUCTED OR MAINTAINED SO THAT SUCH
DEVELOPMENT UNREASONABLY IMPEDES THE NATURAL FLOW OF WATER FROM HIGHER
ADJACENT PROPERTIES ACROSS SUCH DEVELOPMENT,
THEREBY UNREASONABLY CAUSING SUBSTANTIAL DAMAGE TO SUCH HIGHER
ADJACENT PROPERTIES*
I. NO DEVELOPMENT MAY BE CONSTRUCTED OR MAINTAINED SO THAT SURFACE
WATERS FROM SUCH DEVELOPMENT ARE UNREASONABLY COLLECTED AND CHANNELED
ONTO LOWER ADJACENT PROPERTIES AT SUCH LOCATIONS OR AT SUCH VOLUMES AS
TO CAUSE SUBSTANTIAL DAMAGE TO SUCH LOWER ADJACENT PROPERTIES.*
M. STORMWATER CONTROL FACILITIES SHALL BE MAINTAINED BY THE DEVELOPER.
n. ALL SIGNS REQUIRE SIGN PERMIT APPROVAL PRIOR TO INSTALLATION
0. VEHICLE ACCOMMODATION AREAS OF ALL DEVELOPMENTS SHALL BE DESIGNED
SO THAT SANITATION, EMERGENCY, AND OTHER PUBLIC SERVICE VEHICLES CAN
SERVE SUCH DEVELOPMENTS WITHOUT THE NECESSITY OF BACKING UNREASONABLE
DISTANCES OR MAKING OTHER DANGEROUS OR HAZARDOUS TURNING MOVEMENTS.
p. EVERY VEHICLE ACCOMMODATION AREA SHALL BE DESIGNED SO THAT VEHICLES
CANNOT EXTEND BEYOND THE PERIMETER OF SUCH AREA ONTO ADJACENT
PROPERTIES OR PUBLIC RIGHTS -OF -WAY. SUCH AREAS SHALL ALSO BE DESIGNED SO
THAT VEHICLES DO NOT EXTEND OVER SIDEWALKS OR TEND TO BUMP AGAINST OR
DAMAGE ANY WALL, VEGETATION, OR OTHER OBSTRUCTION.
q. CIRCULATION AREAS SHALL BE DESIGNED SO THAT VEHICLES CAN PROCEED
SAFELY WITHOUT POSING A DANGER TO PEDESTRIANS OR OTHER VEHICLES AND
WITHOUT INTERFERING WITH PARKING AREAS.
r. VEHICLE ACCOMMODATION AREA SURFACES SHALL BE KEPT IN GOOD CONDITION
(FREE FROM POTHOLES, EROSION, DUST, ETC.).
S. PARKING SPACES IN AREAS SURFACED IN ACCORDANCE WITH
CONCRETE/ASPHALT SHALL BE APPROPRIATELY DEMARCATED WITH PAINTED LINES OR
OTHER MARKINGS.
t. NO OBSTRUCTIONS ARE ALLOWED WITHIN SIGHT DISTANCE TRIANGLES LOCATED
AT DRIVEWAY EXITS
U. ALL SIGNS SHALL BE IN COMPLIANCE WITH ARTICLE 18 OF THE UDO
V. NC EROSION LAWS ARE ADMINISTERED AND ENFORCED BY NCDEQ*
W. APPLICABLE BUILDING, ELECTRICAL, PLUMBING, AND HVAC CODES ARE
ADMINISTERED, PERMITTED, AND ENFORCED BY THE CHATHAM COUNTY CENTRAL
PERMITS AND INSPECTIONS DEPARTMENT*
X. APPLICABLE FIRE CODES ARE ADMINISTERED, PERMITTED, AND ENFORCED BY
THE CHATHAM COUNTY FIRE MARSHALL*
y. STREAM DISTURBANCE APPROVAL IS REQUIRED FROM NCDEQ AND USACOE*
Z. ANY VARIATION TO THE APPROVED PLAN SHALL BE BROUGHT TO THE
ATTENTION OF THE TOWN OF SILER CITY DIRECTOR OF PLANNING AND COMMUNITY
DEVELOPMENT FOR EVALUATION AND REVISED PLAN SUBMITTED FOR REVIEW AND
APPROVAL.
aa. VEGETATIVE BUFFER IS DEFINED AS AN AREA MEASURED FROM THE WATERS
EDGE (ON EACH SIDE) AT FULL POND (LAKE) OR NORMAL LEVELS (RIVERS AND
STREAMS) THAT IS NOT TO BE DEVELOPED AND LEFT IN ITS NATURAL STATE,
EXCEPT AS MAY BE SPECIFICALLY AUTHORIZED BY THE UDO AND/OR THE
PERMITTING AUTHORITY.*
bb. PHASING PLAN (COMBINING SUCCESSIVE PHASES IS ACCEPTABLE)
PHASE 1: CERTIFICATE OF OCCUPANCY FOR CLUBHOUSE
1. SITE INFRASTRUCTURE IMPROVEMENTS (DRIVEWAYS, FIRST LAYER OF PARKING
LOTS, TEMPORARY PAVEMENT MARKINGS, CURB AND GUTTER, ADA PARKING, STORM
SEWER, SANITARY SEWER, WATERLINES, FIRE HYDRANTS)
2. ALL ACTIVE RECREATION FACILITIES
3. COMPLETE ALL PEDESTRIAN PATHS ADJACENT TO THE CLUBHOUSE
4. DUMPSTER PAD AND ACCESS BY BUILDING #2
5. WATER SERVICE, FIRE PROTECTION, SANITARY SEWER SERVICE, TELEPHONE,
ELECTRICAL SERVICE FOR CLUBHOUSE
6. PROVIDE PERFORMANCE GUARANTEE FOR REMAINING REQUIREMENTS OF THE UDO
PHASE 2: CERTIFICATE OF OCCUPANCY FOR APARTMENT BUILDING #1
1. WATER SERVICE, FIRE PROTECTION, SANITARY SEWER SERVICE, TELEPHONE,
ELECTRICAL SERVICE FOR BUILDING #1
2. NORTHERN PEDESTRIAN PATH ADJACENT TO BUILDING #1 AND CONNECTION TO
CAMPUS DRIVE
PHASE 3: CERTIFICATE OF OCCUPANCY FOR APARTMENT BUILDING #2
1. WATER SERVICE, FIRE PROTECTION, SANITARY SEWER SERVICE, TELEPHONE,
ELECTRICAL SERVICE FOR BUILDING #2
2. SOUTHERN PEDESTRIAN PATH ADJACENT TO BUILDING #2
PHASE 4: CERTIFICATE OF OCCUPANCY FOR APARTMENT BUILDING #3
1. WATER SERVICE, FIRE PROTECTION, SANITARY SEWER SERVICE, TELEPHONE,
ELECTRICAL SERVICE FOR BUILDING #3
2. SOUTHERN PEDESTRIAN PATH ADJACENT TO BUILDING #3
3. DUMPSTER PAD AND ACCESS BY BUILDING #3
4. SOUTHERN PEDESTRIAN PATH COMPLETE
5. COMPLETE SITE LIGHTING
PHASE 5: RELEASE PERFORMANCE GUARANTEE
1. FINAL LAYER OF PAVEMENT
2. PAVEMENT MARKINGS
3. REPAIR DAMAGED SIDEWALK AND CURB AND GUTTER
4. ALL LANDSCAPING
5. DUMPSTER ENCLOSURES INCLUDING FENCING
6. REMOVE EROSION CONTROL DEVICES
7. INSTALL STORMWATER MANAGEMENT FACILITY
8. AS -BUILT STORMWATER SURVEY
9. RECORD STORMWATER MAINTENANCE AGREEMENT
10. PUNCH LIST WALK FOR PUBLIC WATERMAIN
11. AS BUILT SURVEY FOR TOWN PUBLIC UTILITIES
12. RECORD EASEMENT FOR TOWN PUBLIC UTILITIES
cc. PRIOR TO ANY FINAL PLANNING APPROVAL:
i. SUBMIT ACTUAL AS -BUILT PLAN FOR ALL STORMWATER MANAGEMENT FACILITIES
OR PRACTICES AFTER FINAL CONSTRUCTION COMPLETE*
ii. EXECUTE AND RECORD WITH THE REGISTER OF DEEDS A STORMWATER
MANAGEMENT FACILITY OPERATION AND MAINTENANCE AGREEMENT PER §249.*
M. WHENEVER A DEVELOPER INSTALLS ANY PUBLIC UTILITY LINE, THE DEVELOPER
SHALL AFTER INSTALLATION IS COMPLETE, AND BEFORE ACCEPTANCE OF ANY WATER
OR SEWER LINE, FURNISH THE TOWN WITH A COPY OF AN AS -BUILT DRAWING THAT
SHOWS THE EXACT LOCATION OF SUCH UTILITY LINES.
IV. SUBMIT WRITTEN FINAL INSPECTION APPROVAL FROM TOWN UTILITIES DIRECTOR
FOR UTILITIES
ow what's below.
Call before you dig.
GRAPHIC SCALE
0 15 30 60
( IN FEET )
1 inch = 30 ft.
120
PROPERTY OWNER:
PARCEL ID:
DEED BOOK & PAGE:
TOTAL SITE ACREAGE:
CURRENT ZONING:
EXISTING USE:
PROPOSED USE:
PROPOSED UNITS:
-12 1BR
-42 2BR
-18 3BR
CHATHAM COUNTY
0094210
0821-0639
±15.141 AC (659,538 SF)
2
VACANT
MULTI -FAMILY HOUSING
72 UNITS
SILER CITY MIN. REQUIRED PARKING: 72
-1 SPACE PER UNIT
NCHFA MIN. REQUIRED PARKING: 126
-1.75 SPACES PER UNIT
PROPOSED ON -SITE PARKING: 126
-15 HANDICAP (8 VAN ACCESSIBLE)
SETBACK FROM R/W LINE: 25
SETBACK FROM LOT LINE: 10
MAXIMUM BUILDING HEIGHT: 45
IMPERVIOUS CALCULATIONS
PROPOSED CONCRETE: 20,959 SF
PROPOSED ASPHALT: 55,230 SF
PROPOSED BUILDING: 31,330 SF
TOTAL PROPOSED IMPERVIOUS: 107,519 SF
PERCENT IMPERVIOUS: 107,519 / 659,538 * 100 = 16.30%
DEVELOPMENT SUMMARY
SITE NOTES:
1. DIMENSIONS AND COORDINATE POINTS ARE TO BACK OF CURB OR
CORNER OF BUILDING UNLESS OTHERWISE NOTED.
2. ALL IMPROVEMENTS AND CONSTRUCTION SHALL BE IN ACCORDANCE
WITH NCDOT DEVELOPMENT STANDARDS.
3. ANY DISCREPANCIES FOUND IN THE FIELD SHALL BE CALLED TO THE
ATTENTION OF THE OWNER OR ENGINEER PRIOR TO PROCEEDING WITH
WORK.
4. PRIOR TO BEGINNING CONSTRUCTION, THE GENERAL CONTRACTOR
SHALL OBTAIN ALL REQUIRED PERMITS AND APPROVALS NOT ALREADY
OBTAINED BY THE DESIGN TEAM FROM ALL REGULATORY AUTHORITIES AND
SHALL KEEP COPIES OF ALL APPLICABLE PERMITS ON SITE.
5. THE GENERAL CONTRACTOR SHALL CONTACT ALL OWNERS OF
EASEMENTS, UTILITIES, AND RIGHT-OF-WAYS, PUBLIC AND PRIVATE, PRIOR
TO WORKING IN THESE AREAS.
6. GENERAL CONTRACTOR SHALL MAINTAIN THE SITE IN A MANNER SO
THAT WORKMEN AND THE PUBLIC SHALL BE PROTECTED FROM INJURY.
7. DO NOT SCALE DRAWING FOR ACTUAL DIMENSIONS, AS IT IS A
REPRODUCTION AND SUBJECT TO DISTORTION.
8. ALL SIGNS, PAVEMENT MARKINGS, AND OTHER TRAFFIC CONTROL
DEVICES SHALL CONFORM TO THE MANUAL ON UNIFORM TRAFFIC CONTROL
DEVICES(MUTCD), 2009 EDITION AS AMENDED.
9. ALL PAVEMENT MARKINGS SHALL BE FOUR (4) INCHES WIDE UNLESS
INDICATED OTHERWISE ON THE DRAWINGS.
10. CONTRACTOR SHALL SAW -CUT EXISTING ASPHALT PAVEMENT AREAS
TO TIE IN SMOOTHLY TO PROPOSED PAVEMENT AT CONNECTION TO NEW
ASPHALT PARKING AREA.
11. REFER TO ARCHITECTURAL PLANS FOR ACTUAL BUILDING DIMENSIONS.
12. CONTRACTOR SHALL COORDINATE WITH OWNER, SUB CONTRACTORS
AND UTILITIES TO INSURE ALL THAT CONDUITS ARE INSTALLED UNDER THE
CURB AND GUTTER, SIDEWALKS AND PAVEMENT ARE INSTALLED BEFORE
THE FINISHED SURFACE IS LAID.
13. ALL PROPOSED UTILITIES SHALL BE INSTALLED UNDERGROUND.
KEY NOTES:
AO PROPOSED STANDARD DUTY ASPHALT PARKING LOT
PER TYPICAL SECTION SEE DETAIL 1 /C9.0.
OB PROPOSED HEAVY DUTY CONCRETE DUMPSTER
PAD/ACCESS PER TYPICAL SECTION SEE DETAIL
1 /C9.0.
O PROPOSED CONCRETE HANDICAP ACCESSIBLE
PARKING PER TYPICAL SECTION SEE DETAIL 1 /C9.0.
O CONTRACTOR SHALL INSTALL 2'-0" CURB AND
GUTTER SEE DETAIL 2/C9.0.
EO CONTRACTOR SHALL TRANSITION FROM 2'-0"
STANDARD CURB AND GUTTER TO 2'-6" STANDARD
CURB AND GUTTER AT CATCH BASIN.
FO CONTRACTOR SHALL INSTALL SIDEWALK PER WIDTH
SHOWN ON PLAN. SEE DETAIL 3/C9.0.
O INSTALL HANDICAP ACCESSIBLE RAMP PER DETAILS
6/C9.0. RAMP SHALL HAVE RAISED DOMES.
OH PROPOSED DUMPSTER ENCLOSURE SEE DETAIL
1 /C9.5.
Oj INSTALL HANDICAP PARKING SIGNAGE AND PAVEMENT
MARKINGS SEE DETAILS 9-11 /C9.0.
(D INSTALL 2 CONCRETE BOLLARDS AT REAR OF EACH
PROPOSED DUMPSTER. SEE DETAIL 12/C9.0.
OCOVERED OUTDOOR PICNIC AREA WITH GRILL. GRILL TO
BE LEISURE CRAFT, BLACK, IN GROUND MOUNT GRILL
#LC120-STD OR EQUAL. BENCHES ARE TO BE LEISURE
CRAFT, BLACK, 46" SQUARE TABLES. 1 BENCH SHALL
BE ADA ACCESSIBLE #T46SQP-ADA. 1 BENCH SHALL
STANDARD SURFACE MOUNTED #T46SQSM.
O PROPOSED SEATING AREA WITH PARK BENCHES. SEE
DETAIL 5/C9.0 FOR SPECIFICATIONS AND PART
MODEL NUMBERS. SEATING AREA SHALL HAVE A
SLOPE LESS THAN 2.0% IN ANY DIRECTION.
OM PROPOSED PLAYGROUND AREA. SEE DETAIL 5/C9.4
FOR SPECIFICATIONS AND PART MODEL NUMBERS.
O PROPOSED LEISURE CRAFT BLACK, 32 GALLON RING
RECEPTACLE WITH SPUN METAL LID #SC32-SML OR
EQUAL.
O PROPOSED 4'X8' PLANTER BOXES. SEE DETAIL
6/C9.4
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THE DESIGNS AND DRAWINGS SHOWN ARE THE PROPERTY OF
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DETAILED
SITE PLAN
REVISIONS
2
3/29/22
TOWN COMMENTS
5
5/16/22
TOWN COMMENTS
CAD FILE: 19-045 BASE.DWG
PROJECT NO.: 19-045
DESIGNED BY: JDM
REVIEWED BY: JDM
DATE: FEBRUARY 14, 2022
5
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WASHED 57 6" 2'
3 STONE RIP RAP
TOP OF FOREBAY 2 2
1=I I 559.50 0 1 o O O� O 1
' TOWARD SLOPED AT 1.0% S RIP RAP BERM N
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PROPOSED RIP RAP MI�I
APRON (SEE DETAIL MIRAFI FILTER FABRIC
3/C9.5) ON BOTTOM OF BETWEEN SOIL AND RIP _I
FOREBAY. RAP APRON ,II
2 SAND FILTER/FOREBAY =� _
SECTION A -A
THE CITY WILL REQUIRE THE
OPERATION AND MAINTENANCE
AGREEMENT FOR THE SCM AND THE
AS -BUILT DRAWINGS FOR THE SCM
BEFORE CERTIFICATE OF
OCCUPANCIES ARE RELEASED.
THE DESIGN OF THE STORMWATER
MANAGEMENT FACILITIES ARE
DESIGNED IN ACCORDANCE WITH
THE NCDEQ STORM WATER MANUAL.
FOR MAINTENANCE PURPOSES A
PORTABLE PUMP WILL BE UTILIZED
FOR DRAINING THE SANDFILTER.
SAND FILTER INSTALLATION INSTRUCTIONS
1) CONVERTING SEDIMENT AND EROSION CONTROL DEVICES
A BASIN USED FOR CONSTRUCTION SEDIMENT AND EROSION CONTROL CAN BE CONVERTED
INTO AN OPEN BASIN TYPE SAND FILTER IF ALL SEDIMENT IS REMOVED FROM THE BASIN
PRIOR TO CONSTRUCTION OF THE SAND FILTER AND PROPER SAND FILTER DESIGN IS
FOLLOWED. BURIED TRENCH TYPE SAND FILTERS ARE TYPICALLY NEWLY CONSTRUCTED
AFTER SITE CONSTRUCTION AND NOT PLACED IN MODIFIED SITE CONSTRUCTION SEDIMENT
AND EROSION CONTROL BASINS. SAND FILTERS ARE NOT TO BE BROUGHT ONLINE UNTIL
SITE CONSTRUCTION ACTIVITIES ARE COMPLETED AND GROUNDCOVER IS FULLY STABILIZED.
2) MEDIA REQUIREMENTS
THE MEDIA IN THE SAND FILTER SHALL BE CLEANED, WASHED, COURSE MASONRY SAND
SUCH AS ASTM C33. THE SAND PARTICLES SHALL BE LESS THAN 2 MM AVERAGE
DIAMETER. THE FILTER BED SHALL HAVE A MINIMUM DEPTH OF 21 INCHES, WITH A MINIMUM
DEPTH OF SAND ABOVE THE DRAINAGE PIPE OF 12 INCHES.
3) FILTER FABRIC REQUIREMENTS
PERMEABLE FILTER FABRIC SHALL BE PLACED ABOVE, BELOW AND ON THE SIDES OF THE
SAND BED TO PREVENT CLOGGING OF THE SAND FILTER AND THE UNDERDRAIN SYSTEM.
THE STONE AROUND THE UNDERDRAIN SYSTEM SHALL BE WRAPPED IN FILTER FABRIC.
4) UNDERDRAIN SYSTEM
-6" PIPE TO BE PERFORATED PVC PIPE (AASHTO M 252) UNDERDRAIN IN A GRAVEL
LAYER.
-PIPE SHALL BE INSTALLED AT A MINIMUM GRADE OF 1/8-INCH PER FOOT (1.0% SLOPE).
-PERFORATIONS SHALL BE IN A MINIMUM OF 4 ROWS AROUND THE DIAMETER OF THE PIPE,
6" ON CENTER, AND 3/8" DIAMETER.
-ALL UNDERDRAIN PIPES SHALL HAVE A MINIMUM OF 3" INCHES OF CLEAN WASHED
AGGREGATE NCDOT #57 STONE. STONE REQUIRED ON EACH SIDE SIDE OF THE PIPE
(STONE NOT REQUIRED BELOW THE PIPE). WASHED STONE TO BE WRAPPED IN MIRAFI
FILTER FABRIC OR APPROVED EQUAL.
-AGGREGATE CONTAMINATED WITH SOIL SHALL NOT BE USED.
5) COMMON MAINTENANCE ISSUES
SAND FILTERS SHOULD BE INSPECTED AT LEAST ONCE PER MONTH, AND AFTER ANY LARGE
STORM EVENTS TO CHECK FOR DAMAGE. THEY MUST BE MAINTAINED AS NEEDED TO
REMOVE VISIBLE SURFACE SEDIMENT ACCUMULATION, TRASH, DEBRIS, AND LEAF LITTER TO
PREVENT THE FILTER FROM CLOGGING PREMATURELY. SEDIMENT SHOULD BE CLEANED OUT
OF THE FOREBAY/SEDIMENTATION CHAMBER WHEN IT ACCUMULATES TO A DEPTH OF MORE
THAN 6 INCHES. ANY STRUCTURES (OUTLETS, FLOW DIVERSIONS, EMBANKMENTS, ETC.)
SHOULD BE CHECKED AT LEAST ANNUALLY FOR DAMAGE OR DEGRADATION.
WHEN THE FILTERING CAPACITY DIMINISHES SUBSTANTIALLY (E.G., WHEN WATER PONDS ON
THE SURFACE FOR MORE THAN 40 HOURS), REMEDIAL ACTIONS MUST BE TAKEN. ONE
POSSIBLE CAUSE OF THIS PROBLEM IS THAT COLLECTION PIPE SYSTEMS HAVE BECOME
CLOGGED. ANNUAL FLUSHING OF PIPE CLEANOUTS IS RECOMMENDED TO FACILITATE
UNCLOGGING OF THE PIPES WITHOUT DISTURBING THE FILTER AREA. IF THE WATER STILL
PONDS ABOVE THE SAND FILTER BED FOR MORE THAN 40 HOURS, THE TOPSOIL AND 2 TO
3 INCHES OF SAND MEDIA SHOULD BE REMOVED AND REPLACED WITH FRESH MEDIA. THE
REMOVED SEDIMENTS SHOULD BE DISPOSED OF IN AN ACCEPTABLE MANNER (E.G.,
LANDFILL). IF THE PROBLEM STILL PERSISTS, MORE EXTENSIVE REBUILDING IS REQUIRED.
CONTRACTOR SHALL NOTIFY THE
SILER CITY AND MC 2 ENGINEERING
PRIOR TO CONSTRUCTION OF THE
SAND FILTER SYSTEM.
SITE SHALL BE STABILIZED 100% PRIOR
TO INSTALLING UNDERDRAINS,
GRAVEL OR SAND.
TOP OF SAND SHALL BE A MINIMUM OF 21' X 86'
6" SCH 40 OR SDR 35 (NON
PERFORATED) CONNECTING z SAND MEDIA
PERFORATED 6" PIPES TO OC 2 AT
A MINIMUM SLOPE OF 1.0%
3" OF WASHED #57 STONE AROUND
SIDES AND TOP (BOTTOM NOT REQUIRED)
2 SAND FILTER
SECTION B-B
IL-MIRAFI FILTER FABRIC
AROUND STONE AND ON
BOTTOM OF BASIN
BETWEEN SOIL AND SAND
-�" GRAPHIC SCALE
15 0 7.5 15 30
( IN FEET )
1 inch = 15 ft.
Know what's below.
Cal before you dig.
60
_ TOP OF DAM (MIN. 5' WIDE) _
OUTLET CONTROL
564.00
STRUCTURE OC 2
SEE DETAIL 2/C9.5
_ _ _
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STRUCTURE DETAIL 2/C9.5
TOP OF SAND FILTER 559.0 (FLAT)
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TOP OF SAND IS 21' X 86' (1,806 SF)-
- -I III -III -III -III -III-
SAND MEDIA
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24" HDPE
(WT)
STORM SEWER
MIRAFI FILTER FABRIC
AROUND STONE AND ON
6" NON -PERFORATED PVC
BOTTOM OF BASIN 6" PERFORATED PIPE
PIPE INSTALLED AT A MINIMUM
BETWEEN SOIL AND SAND INSTALLED AT A MINIMUM
SLOPE OF 1.0% (TYP.)
SLOPE OF 1.0% (TYP.)
DS
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FOREBAY 559.50
VOLUME IS 5,699 CIF
62' X 53' (AVERAGE)
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HATCHED AREA REPRESENTS h�
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SAND FILTER BMP
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AREA IS 1,806 SF (21' X 86')
564
PROPOSED OUTLET CONTROL
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564 /OC 2 STRUCTURE
SEE DETAIL 2 C9.5.
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--- `;TONE. SURROUNDING AREA IS
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THE DESIGNS AND DRAWINGS SHOWN ARE THE PROPERTY OF
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PROJECT NO.: 19-045
DESIGNED BY: JDM
REVIEWED BY: JDM
DATE: FEBRUARY 14, 2022
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DATE: FEBRUARY 14, 2022
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CAD FILE: 19-045 BASE.DWG
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DESIGNED BY: JDM
REVIEWED BY: JDM
DATE: FEBRUARY 14, 2022
C4 ■

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REVIEWED BY: JDM
DATE: FEBRUARY 14, 2022
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TOP OF DAM
NOTE: RISER TO BE 2 ELEVATION=564.00
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DURABLE FASHION WITH VINYL/WOOD POSTS AND SCREWS AND STRAPS AND 5.0' SHALL BE SEEDED TO _ Z
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RACK SHALL BE SECURELY FASTENED U N
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concrete riser PROPOSED 24" JOINTS
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�� ------- �� LUMBER ON A STEEL FRAME. ° • °
Li U
FRONT/GATE VIEW Elev. A -A Elev. B-B A t 6 6" X 24" INVERT AT 561.00 4% \A A R
A 49 3 4 59 3 4 69 1 2 79 1 2 89 1 2 99 1 2 109 1 4 120 1 2 5' I , ••• l c �+ • / �,
width code tJJ
INSTALL BOLLARDS 1 14 1 � �- ���` I , O • F
18'-0" AT BACK OF �___` \ I 0 •
G 18 zo zz z4 zs zs 30 3z � � [--r RISER STRUCTURE OC #2 SHALL INCLUDE � • • �
(MIN.) DUMPSTER \\ \\I DRAINAGE STRUCTURE STEPS (NCDOT Q
F--- �\ -- �\ -- F--- �\ ---� B 49 54 1 2 59 3 4 65 1 4 70 1 2 76 82 87 1 4 I�� �\ 840.66) FOR MAINTENANCE. SEE DETAIL AL •
I I I 4, 1 I I `- 4 C9 2 • 29606 i length code 09 10 11 12 13 14 15 16
I i I I i part code= PR + width code +length code numbers rounded to 1/4" ;: -I (ANO /� w�c •
----'I----'�----'I----'I----'� (ex. PR1213) f :I \�� % / \\I '� �••• �l� 1�`�••'•\�� ,
6'-0" NOTE: CUSTOM SIZES AVAILABLE UPON REQUEST ••••�••••
24-0 PLASTIC 240 McGhee Road CONCRETE 24" HDPE WT
(MIN.) P.O. Box4386 WALLS TYPICAL INVERT = 543.10
PEAKED ROOF TRASH RACK soLurioNs Winchester VA 22604 4' 5 --- ----------; ---� -{\ 2/I�/22
DUMPSTER PROPOSED 24" HDPE 6" PVC PIPE FROM SAND FILTER UNDERDRAIN
INC. Sao-7zz-4ssa \\ INVERT = 555.70 N C'4RO,�I
www.plastic-solution com (WATER TIGHT JOINTS)
ENCLOSURE WITH FENCE 2 SAND FILTER #1 OUTLET
01-0
•5 -NTS-
C9.5 CONTROL STRUCTURE OC 2 _s ;:Q� "�
• SEAL •
SECTION B-B -NTS- : �0� C-2630 �:�
NOTES: W2 ���••./. EE::.•\_,,`�
LENGTH AS NECESSARY k, /1/ •••• G
1. CLASS OR MEDIAN SIZE OF RIPRAP AND LENGTH, WIDTH AND DEPTH OF APRON END OF FLARED SECTION TO GO THRU DIKE ���� �NEER�N ,���
TO BE DESIGNED BY THE ENGINEER.
*12" MIN.
2. REFER TO THE NCDENR EROSION CONTROL DESIGN MANUAL FOR SPACING TYP.
RIPRAP APRON DESIGN STANDARDS. 4' MIN.
PIPE THE DESIGNS AND DRAWINGS SHOWN ARE THE PROPERTY OF
3. RIPRAP SHOULD EXTEND UP BOTH SIDES OF THE APRON AND AROUND THE END Mc2 ENGINEERING, INC. REPRODUC770M OR USE FOR ANY
OF THE PIPE OR CULVERT AT THE DISCHARGE OUTLET AT A MAXIMUM SLOPE OF , KEY/ANCHOR MATERIAL AT PURPOSE OTHER THAN THAT AUTHORIZED BY Mc2
2:1 AND A HEIGHT NOT LESS THAN TWO THIRDS THE PIPE DIAMETER OR 3 ' TOP OF SLOPE. ENGINEERING, INC. IS PROHIBITED. 2021 0
CULVERT HEIGHT. 1.5' MIN. �1 ' *36" MIN. SPACING TYP.
4. THERE SHALL BE NO OVERFLOW FROM THE END OF THE APRON TO THE FLEXIBLE PIPE ' s ' ' , t
SURFACE OF THE RECEIVING CHANNEL. THE AREA TO BE PAVED OR RIPRAPPEDii T , + * t
SHALL BE UNDERCUT SO THAT THE INVERT OF THE APRON SHALL BE AT THE TIE DOWN 10' MAX. SPACING a ' ' t
SAME GRADE (FLUSH) WITH THE SURFACE OF THE RECEIVING CHANNEL. THE a - T
APRON SHALL HAVE A CUTOFF OR TOE WALL AT THE DOWNSTREAM END. • ' r
B B TIE DOWN AT END • , - r, ,
5. THE WIDTH OF THE END OF THE APRON SHALL BE EQUAL TO THE BOTTOM � s � �
WIDTH OF THE RECEIVING CHANNEL. MAXIMUM TAPER TO RECEIVING CHANNEL 5:1 0 s ' ' • _
11
6. ALL SUBGRADE FOR STRUCTURE TO BE COMPACTED TO 95% OR GREATER. 0 4' (MIN)* I' '� >' �� �' I' * t -
7. THE PLACING OF FILL, EITHER LOOSE OR COMPACTED IN THE RECEIVING DIAMETER (D) a V': s V " I' >s * ` 6" OVERLAP IN SLICE
CHANNEL SHALL NOT BE ALLOWED. " I
B. NO BENDS OR CURVES IN THE HORIZONTAL ALIGNMENT OF THE APRON END OF APRON PROFILE ' STAKES
WILL BE PERMITTED. ' ' v
' ► , EARTH DIKE �
9. FILTER FABRIC SHALL BE INSTALLED ON COMPACTED SUBGRADE PRIOR PLAN RIP -RAP APRON ' •
TO PLACEMENT OF RIP RAP. 0 % SLOPE , / NON -WOVEN GEOTEXTILE FILTER CLOTH V
' ' FABRIC 4' ABOVE SOURCE WATER.
10. ANY DISTURBED AREA FROM END OF APRON TO RECEEVING CHANNEL * AT LESS THAN 1 % SLOPE EXTEND TO EDGE OF DISTURBANCE I'�' ' r
MUST BE STABILIZED. Ill'
1' MIN. 3�WATER TABLE Q �
1'-6" FILTER FABRIC LAP �� 0 U
(IF NEEDED) � �
ELEVATION CONSTRUCTION SPECIFICATIONS: W CO �J1 70
NATURAL GRADE 1. PLACE SLOPE DRAINS ON UNDISTURBED SOIL OR WELL COMPACTED MAINTENANCE: (�
FILL AT LOCATIONS AND ELEVATIONS SHOWN ON THE PLAN. INSPECT THE SLOPE DRAIN AND SUPPORTING DIVERSION AFTER EVERY RAINFALL, �, CV
AND PROMPTLY MAKE NECESSARY REPAIRS. WHEN THE PROTECTED AREA HAS
USE USDA NOMOGRAPH FROM NC SEDIMENT AND EROSION CONTROL MANUAL 2. SLIGHTLY SLOPE THE SECTION OF PIPE UNDER THE DIKE TOWARD BEEN PERMANENTLY STABILIZED, TEMPORARY MEASURES MAY BE REMOVED, W Q
�I RIP RAIP� ITS OUTLET. MATERIALS DISPOSED OF PROPERLY, AND ALL DISTURBED AREAS STABILIZED KEY/ANCHOR MATERIAL TO TOE OF SLOPE. Q Z F-�-I
H APPROPRIATELY.
3. HAND TAMP THE SOIL UNDER AND AROUND THE ENTRANCE [ I 111111 7)
T (THICKNESS) SECTION IN LIFTS NOT TO EXCEED 6 INCHES. rr ll
GENERAL NOTES
4. ENSURE THAT FILL OVER THE DRAIN AT THE TOP OF THE SLOPE
Length of Width of Width of d50 T Height LAYER OF FILTER FABRIC HAS MINIMUM DIMENSIONS OF 1.5 FEET DEPTH, 4 FEET TOP WIDTH, 1. LAY BLANKETS LOOSELY AND STAKE OR STAPLE TO
AND 3:1 SIDE SLOPES. MAINTAIN DIRECT CONTACT WITH THE SOIL. DO NOT STRETCH.
Rip Rap Apron Apron (Wl) Apron (`V2)
SECTION B-B 5. ENSURE THAT ALL SLOPE DRAIN CONNECTIONS ARE WATERTIGHT. U H,
(ft) (ft) (ft) (in) (in) (in) 2. * DIMENSIONS SHOWN ARE MINIMUM, MANUFACTURED PRODUCTS a 5
NOTE: 6. ENSURE THAT ALL FILL MATERIAL IS WELL -COMPACTED. SECURELY MAY HAVE ADDITIONAL REQUIREMENTS THAT MUST BE MET.
MINIMUM H=2/3 PIPE DIAMETER FASTEN THE EXPOSED SECTION OF THE DRAIN WITH GROMMETS OR
STAKES SPACED NO MORE THAN 10 FEET APART. 3. SLOPE SURFACE SHALL BE FREE OF ROCKS, SOIL CLODS,
10 12.00 6.00 9.00 10.00 16.00 STICKS, GRASS. MAT/BLANKETS SHALL HAVE GOOD SOIL CONTACT.
7. EXTEND THE DRAIN BEYOND THE TOE OF THE SLOPE, AND
14 16.00 6.00 6.00 13.50 16.00 ADEQUATELY PROTECT THE OUTLET FROM EROSION. 4. THE DETAIL SHOWN IS FOR SLOPE MATTING. FOR CHANNEL OR PIPE
d50 *(see fig 8.06 a&b "NC SEDIMENT AND EROSION CONTROL MANUAL" 8. MAKE THE SETTLED, COMPACTED DIKE RIDGE NO LESS THAN 1 OUTFALL MATTING SPECIFICATIONS, PLEASE REFER TO NCESCPDM
dmax = 1.5 x d50 FEET ABOVE THE TOP OF THE PIPE AT EVERY POINT. 5 STANDARD #6.17 AND MANUFACTURER'S GUIDELINES.
T = 1.5 X dmax.
9- IMMEDIATELY STABILIZE ALL DISTURBED AREAS FOLLOWING eI
3 CONSTRUCTION. 4 TEMPORARY SLOPE DRAIN C9.5 EMBANKMENT MATTING DETAIL 0
C9.5 RIPRAP APRON AT PIPE OUTFACES
-NTS- C9.5 -NTS- -NTS-
NOTES GENERAL NOTES: NYLOPLAST 15" INLINE DRAIN: 2715AG _ _ X
1. INLET MAINTENANCE SHALL BE DOCUMENTED IN PROJECT LOG BOOK. 1. USE MINIMUM 12 INCH DIAMETER FIBER WATTLE.
2. FILTER TYPES SHALL BE APPROVED BY THE CITY INSPECTOR PRIOR 2. USE 2 FT. WOODEN STAKES WITH A 2 IN. X 2 IN. NOMINAL CROSS SECTION
TO INSTALLATION. 1 3. ONLY INSTALL WATTLES) TO A HEIGHT IN DITCH SO FLOW WILL NOT WASH AROUND
3. FILTER BAGS MAY BE REMOVED WHEN SITE IS STABILIZED AT SN�O PPJ�MEN 4. INSTALL WATIFUE AJMISCOUR
UM DITCH
SLOPES
E AND
DIRECTED.
DOWNSLOPE STAKES AT AN ANGLE 1599CGS
THE DIRECTION OF THE ENGINEER. TO WEDGE WATTLE TO BOTTOM OF DITCH. (1,2) RTEG TO
ON APPROX. DRAIN AREA = 92.70 SO IN SITE
FRAME &GRATE TO MATCH BASIN O.D.
4. FILTER BAGS SHALL BE REMOVED PRIOR TO STREET ACCEPTANCE. 5. PROVIDE STAPLES MADE OF 0.125 IN. DIAMETER STEEL WIRE FORMED INTO A U SHAPE O� APPROX. WEIGHT WITH FRAME =59.62 LEE
5. FILTER BAGS SHALL BE CLEANED OR REPLACED ON A REGULAR NOT LESS THAN 12" IN LENGTH.
BASIS (NOT BE MORE THAN HALF FULL AT ANY TIME). 6. INSTALL STAPLES APPROXIMATELY EVERY 1 LINEAR FOOT ON BOTH SIDES OF WATTLE �OOOOOO ADAPTER SIZE B AND AT EACH END TO SECURE IT THE SOIL. DETAILS
6. FILTER BAGS SHALL NOT BE ALLOWED IN EXISTING CITY OR NCDOT
ROADS. � 7. INSTALL MATTING IN ACCORDANCE WITH
H SECTION 1631 OF THE NCDOT STANDARD
SPECIFICATIONS.
HOOD EXCELSIOR EDGE OF
WATTLE PAVEMENT
DITCH 15^ 7.00
SLOPE HINGED GRATE
MATTING BACK FOR EASY ACCESS
GRATE GRATE - SLOPE GRATEOPTIONS LOAD RATING PART# DRAWING#1.sa REVISIONS
STANDARD MEETS H-20 1599CGS 7001-110-208 3.43
1" REBAR FOR BA ISOMETRIC VIEW
rlrlrlrlrlrlrlrlREMOVAL FROM INLET
EXPANSION
RESTRAINT 2' UPSLOPE (3) VARIOUS TYPES OF INLET & OUTLET ADAPTERS AVAILABLE:
--� DEFLECTOR z�Mq 11 STAKE GROUND ADS/HANCOROSIING EAWALL TED HDPE
HP, VC SEWER (EX: SDR 5),
N-12/HANCOR DUAL WALL,
FILTER BAG )� ( )�
PVC DWV (EX: SCH 40), PVC C900/C905, CORRUGATED & RIBBED PVC
>u DUMP LOOPS
(CORRUGATED HDPE SHOWN)
n
,1' 0 NOT POLWTE DRAINS TO4VATERWAYS 16 2S
! STAKES
MATTING �2' DOWNSLOPE
CROSS SECTION STAKE
VEE DITCH 1 - GRATES/SOLID COVER SHALL BE DUCTILE IRON PER ASTM A536 GRADE 70-50-05, nv.oP Asr O cnLP IRON
CATCH BASIN--------2' UPSLOPE WITH THE EXCEPTION OF THE BRONZE GRATE.
A, STAKE NATURAL U LOPE DOWNSL E THE BACKFILL MATERIAL SHALL BE CRUSHED STONE OR OTHER 2 - FRAMES SHALL BE DUCTILE IRON PER ASTM AGRADE 71-11-11,
I� GROUND STAKE STAKE GRANULAR MATERIAL MEETING THE REQUIREMENTS OF CLASS II 3 -DRAINAGE CONNECTION STUB JOINT TIGHTNESSSS SHALL CONFORM TO 1.12 16.13
OUTLET MATERIAL AS DEFINED IN ASTM IBEDDING & BACKFILL FOR ASTM D3212 FOR CORRUGATED HDPE (ADS N-12/HANCOR DUAL WALL),
SURFACE DRAINAGE INLETS SHALL BE PLACED & COMPACTED N-12 HP, & PVC SEWER.
- - -
uJ A UNIFORMLY IN ACCORDANCE WITH ASTM D2321. 4 - DIMENSIONS ARE FOR REFERENCE ONLY. ACTUAL DIMENSIONS MAY VARY.
FLOW -- 5 - DIMENSIONS ARE IN INCHES DIMENSIONS ARE FOR REFERENCE ONLY T IS
n 6 - SEE DRAWING NO. 7001-110-275 FOR ADS N-12 & HANCOR DUAL WALL BELL ACTUAL DIMENSIONS MAY VARY Nv oPRAST HAS PROPRIETARY RIGHTINT DISCLOSES SUBJECT S FTHE RECEIPr IN WHICH DRAWN BY EBC MATERIAL BUFORD, GA 30 18
INFORMATION&DRAWING NO.7001-110-364FORN-12HPBELLINFORMATION. DIMENSIONS ARE IN INCHES OR POSSESSION OF THIS PRINT DOES NOT CONFER, DATE 3.7.06 DUCTILE IRON N PHN(7701932.2dd3 CAD FILE: 19-045 BASE.DWG
R\ GRATE MEETS H-20 LOAD RATING TRANSFER, OR LICENSE THE USE OF THE DESIGN OR 1\ /dst FAX [phone]
`2' DOWNSLOPE THIS PRINT DISCLOSES SUBJECT MATTER IN WHICH DRAWN BY EBC MATERIAL 3130 VERONA AVE TECHNICAL INFORMATION SHOWN HEREIN REVISED BY EBc PROJECT NO.INAME www.nyloplast-us.com
QUALITY: MATERIALS SHALL CONFORM TO ASTM A536 GRADE 70-50-05
INSTALLATION MATTING STAKE NYLORO LAST HAS SSESSIONOFT ISPRI PRINT
.THE RECEIPT BUFORDPHN(77,GA30518 C NTAIUCTIONOF EIN,OR MANUFACTURE
RINT CANY UREOFORMAnoN TITLE PROJECT NO.: 19-045
PAINT: CASTINGS ARE FURNISHED WITHABLACK PAINT CONTAINED HEREIN, OR MANUFACTURE OF ANY
2 IN. 6' IN. OR POSSESSION OF THIS PRINT DOES NOT CONFER, DATE 4-3-06 r� + PHN [phone] LOCKING DEVICE AVAILABLE UPON REQUEST SEE DRAWING NO. ARTICLE HEREFROM, FOR THE DISCLOSURE TO OTHERS DATE 3.7.06 15 IN STANDARD GRATE ASSEMBLY
CROSS SECTION TRANSFER, OR LICENSE THE USE OF THE DESIGN OR NylOpla3l FAX [phone]-110-032 IS FORBIDDEN, EXCEPT BY SPECIFIC WRITTEN
SECTION TRAPEZOIDAL DITCH TECHNICALINFORMATIONSHOWNHEREIN REVISED BY CJA PROJECTNO.INAME www.nyloplast•us.com PERMISSION FROM NYLOPLAST. BAIT DWG SIZE A SCALE SHEET 1oF1 DWG No. 7001.110.208 REv a DESIGNED BY: JDM
REPRODUCTION OF THIS PRINT OR ANY INFORMATION TITLE
CONTAINED HEREIN, OR MANUFACTURE OF ANY DATE 3-18-10 15 IN INLINE DRAIN QUICK SPEC INSTALLATION DETAIL
ARTICLE HEREFROM, FOR THE DISCLOSURE TO OTHERS REVIEWED BY: JD M
IS FORBIDDEN, EXCEPT BY SPECIFIC WRITTEN
PERMISSION FROM NYLOPLAST. ©tom NYLOPLASTDWG SIZE A SCALE 1:20 SHEET 1 OF 1 DWG NO. 7003-110-026 REV C
DATE: FEBRUARY 14, 2022
6 CATCH BASIN/DROP INLET PROTECTION 7 TEMPORARY WATTLE CHECK DAM 8 15" INLINE DRAIN 9 15" STANDARD GRATE ASSEMBLY
C9.5 -NTS- C9.5 -NTS- C9.5 -NTS- C9.5 -NTS-
■
Structure
FES 1
FES 1
FES 3