SW4190901_LexingtonNC3-Final-Civil sheets 12-16-19_1/20/2020

CONSTRUCTION EGRESS NOTES:
1. CONSTRUCTION EGRESS SHALL BE 25 MINIMUM WIDTH AND 30 MINIMUM LENGTH AND 6 MIN THICKNESS OF
STONE (1.5'-3.5') COARSE AGGREGATE WITH GEOTEXTILE UNDERLINER. REFER TO THE CITY OR STATE FOR
ANYADDITIONAL REQUIREMENTS.
2. THE EXIT SHALL BE MAINTAINED INA CONDITION WHICH WILL PREVENT TRACKING OR FLOW OF MUD ONTO
PUBLIC RIGHT-OF-WAY. THIS MAY REQ UIRE PERIODIC TOP DRESSING WITH 1.5-3.51NCH STONE AS
CONDITIONS DEMAND, AND REPAIR AND/OR CLEAN OUT OF ANY STRUCTURE USED TO TRAP SEDIMENT. ALL
MATERIALS SPILLED, DROPPED, WASHED, OR TRACKED FROM VEHICLES OR SITE ONTO ROADWAYS OR INTO
STORM DRAINS MUST BE REMOVED IMMEDIATELY.
3. WHEELS MUST BE CLEANED TO REMOVE MUD PRIOR TO ENTRANCE ONTO PUBLIC RIGHT-OF-WAY. WHEN
WASHING IS REQUIRED, IT SHALL BE DONE ON AN AREA WITH CRUSHED STONE WHICH DRAINS INTO AN
APPROVED SEDIMENT TRAP OR SEDIMENT BASIN LOCATED PER THE CITY OR STATE REQUIREMENTS.
GENERAL NOTES:
A. REFER TO PROJECT MANUAL FOR ADDITIONAL REQUIREMENTS.
B. SITE CONDITIONS BASED UPON SURVEY SUBMITTED BY OWNER. FIELD VERIFY
EXISTING CONDITIONS BY DETAILED SITE INSPECTION PRIOR TO SUBMITTING BID
AND BEGINNING CONSTRUCTION.
C. FIELD VERIFY SANITARY SEWER SERVICE CONNECTION INVERT PRIOR TO
ESTABLISHING FINAL FINISH FLOOR ELEVATION.
D. COORDINATE WORK WITH OTHER SITE RELATED DEVELOPMENT DRAWINGS.
SITE EXCAVATION REQUIREMENTS:
1. A GEOTECHNICAL ANALYSIS HAS BEEN PERFORMED ON THIS SITE. REFER TO PROJECT MANUAL. FOLLOW
GEOTECHNICAL ANALYSIS RECOMMENDATION FOR SITE EXCAVATION.
2. REFER TO STRUCTURAL DRAWINGS FOR BUILDING EXCAVATION REQUIREMENTS.
PIPES NOTES:
1. PIPE MATERIALS SHALL BE IN ACCORDANCE WITH AND AS APPROVED BY THE CITY OR APPLICABLE AUTHORITY.
REINFORCED CONCRETE PIPE (RCP), AND HIGH DENSITY POLYETHYLENE (HDPE). MAYBE USED AS ALLOWED BY
LOCAL GUIDELINES.
2. ALL PIPE IS TO BE INSTALLED PER THE MANUFACTURER'S REQUIREMENTS AND MEET COVER REQUIREMENTS PER
THE MANUFACTURER.
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1 SITE GRADING PLAN
Ci 1.1 SCALE: I" = 20'
EROSION CONTROL & MAINTENANCE PLAN NOTES:
1. RETAIN FLOATABLE WINDBLOWN MATERIALS ON SITE BY STORING ALL TRASH AND BUILDING MATERIAL WASTE IN ENCLOSURES UNTIL PROPER DISPOSAL AT OFF -SITE
FACILITIES. CHECK ADJACENT AREAS DAILY AND PICKUP CONSTRUCTION WASTE MATERIALS AND DEBRIS THAT HAVE BLOWN OR WASHED OFF SITE.
2. PERMANENTLY STABILIZE ALL SURFACE AREA WITHIN AND ADJACENT TO THIS SITE THAT IS DISTURBED BY VEHICLES, GRADING AND OTHER CONSTRUCTION FOR THE
PROPOSED FACILITY. STABILIZATION IS OBTAINED WHEN THE DISTURBED SURFACE IS COVERED WITH STRUCTURES, PAVING AND OR PERENNIAL VEGETATION HAVING A
0
UNIFORM COVERAGE DENSITY OFA T LEAST 70%. STABILIZATION OFALL DISTURBEDAREA IS REQUIRED BEFORE TERMINATING MAINTENANCEAND REMOVAL OF EROSION
CONTROL MEASURES.
3. CONTRACTORS SHALL INSPECT POLLUTION CONTROL MEASURES AT LEAST ONCE EVERY 7 DAYS AND WITHIN 24 HOURS AFTER A STORM EVENT OF 1121NCH OR GREATER.
DAMAGED MEASURES THAT PROVE TO BE INEFFECTIVE SHALL BE REPLACED WITH MORE EFFECTIVE MEASURES OR ADDITIONAL MEASURES WITHIN SEVEN DAYS. REPEATED
FAILURE OFA CONTROL MEASURE REQUIRES INSTALLATION OFA MORE SUITABLE DEVICE TO PREVENT DISCHARGE OF POLLUTANTS FROM THE CONSTRUCTION SITE.
4. INSTALLATION OFADDITIONAL EROSION CONTROL MEASURES MAY BE REQUIRED BY THE CITY OR STATE. CONTRACTOR TO VERIFY REQUIREMENTS PRIOR TO BEGINNING ANY
WORK ON PROJECT SITE.
5. CARE SHALL BE TAKEN TO MINIMIZE THE ENCROACHMENT OF SEDIMENT INTO ALL STORM DRAIN APPURTENANCES, PUBLIC STREETS, AND ONTO PRIVATE PROPERTY UNTIL
IMPERVIOUS MATERIAL (ROAD/PARKING AREA SURFACE) IS APPLIED OR UNTIL PROPOSED LANDSCAPE HAS BEEN ESTABLISHED.
6. REFER TO 1/C1.4 FOR SILT FENCE CONSTRUCTION.
7. ALL GRASS SLOPES WHICH EXCEED 3:1(H.V) SHALL UTILIZE CONTECH CONSTRUCTION PRODUCTS PERMANENT TURF REINFORCEMENTMAT450 OR APPROVED EQUAL. MATS
SHALL BE INSTALLED PER MANUFACTURER'S SPECIFICATIONS AND STANDARDS. CONTRACTOR SHALL COORDINATE INSTALLATION INSPECTION WITH MANUFACTURER.
GID
868.85 SW � I-TT� T $6(6.
STAGES OF CONSTRUCTION:
1. CONTRACTOR TO PERFORM DETAILED SITE INSPECTION TO LOCATEALL EXISTING UTILITIES AND
VERIFYANY POSSIBLE CONFLICTS WITH PROPOSED IMPROVEMENTS PRIOR TO BEGINNING ANY
CONSTRUCTION. CONTACT OWNER WITH ANY CONFLICTS. MONTH 1
2. INSTALLATION OF CONSTRUCTION ENTRANCE. MONTH 1
3. INSTALLATION OF EROSION CONTROL FENCE. MONTH 1
4. DEMOLITION OF EXISTING SITE IMPROVEMENTS. MONTH 1
5. REMOVAL OF EXISTING PAVEMENT ON THE SITE. MONTH 1
6. INSTALLATION OFALL STORM WATER DRAINAGE IMPROVEMENTS. MONTH 1
7 ROUGH GRADING. MONTH 1 & MONTH 2
8. CONSTRUCTION OF NEW SITE IMPROVEMENTS. MONTH 2
9. FINAL GRADING. MONTH 3
10. PLACEMENT OF FINAL LANDSCAPING ITEMS AND SOD. MONTH 3
11. REMOVAL OF EROSION CONTROL FENCE. MONTH 3
FLOOD ZONE:
ACCORDING TO FEDERAL EMERGENCY MANAGEMENT AGENCY (FEMA) FLOOD INSURANCE RATE MAPS (FIRM), COMMUNITY PANEL
NO.3710672800J, EFFECTIVE DATE: MARCH 16, 2009. ENTIRE SUBJECT PROPERTY LIES WITHIN ZONE X, AREAS DETERMINED TO
BE OUTSIDE THE 0.2% ANNUAL CHANCE FLOODPLAIN.
STORM WATEq RUNOFF SUMMARY:
TOTAL PROPERTYAREA = 1.29 ACRES;
TOTAL DISTURBED AREA = 1.20 ACRES > 1.0 ACRES HEREFORE A N01 IS REQUIRED.
THIS PROJECT IS PART OFA LARGER DEVELOPME T. THE STORMWATER SYTEM SERVES THE O'REILLYAUTO PARTS LOT AND FAMILY
DOLLAR LOT TO THE SOUTH.
REFER TO STORMWATER REPORT FOR STORMWA ER MANAGEMENT.
SPECIAL NOTE:
CONTRACTOR SHALL FIELD VERIFY PROPOSED GRADES
MATCH EXISTING PAVEMENT AT DRIVEWAY ENTRANCES.
CONTRACTOR SHALL NOTIFY ENGINEER IF DISCREPANCY
OCCURS.
NOTE: PRIOR TO BEGINNING ANY SITE WORK & ORDERING OF
MATERIALS, CONTRACTOR SHALL FIELD VERIFY ALL UTILITY &
868 5 pV 868 6 pV;t(q"'PI/7
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OSHALL NOTIFYO
OEXISTING SYSTEMS BY PT
ENGINEER OF NEEDED CHAONGES:
FAILURE TO DO SO WILL RESULT IN THE CONTRACTOR BEING
RESPONSIBLE FOR ALL REVISION COSTS AND DELAYS.
HANDICAP AREA TO BEADA COMPLIANT. SLOPES SHALL NOT EXCEED 2.0% IN ANY DIRECTION IN THIS AREA.
LESTABLISHING
TE:
Z HANDICAP PARKING D E TA 1 L Y SANITARY SEWER CONNECTION INVERT PRIOR TO
FINAL FINISH FLOOR ELEVATION. REFER TO SITE
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KEY NOTES:
INSTALL DIVERSION WALL INSIDE STROM TRAP SYSTEM.
WEIR=859.2'
INSTALL EROSION CONTROL FENCE.
C1
INV = 854.2'
C�
REFER TO DETAIL 1/C1.4
REFER TO DETAIL 6/C1.3
OINSTALL
C'2
CONSTRUCTION EGRESS.
INSTALL STORMTRAP SYSTEM SH P
REFER TO NOTES AND 3/C1.4
C18
DRAWINGS PROVIDED ON SHE T C1.9, C1.10, C1.11
CONTACT STORMTRAP MANUF TU R OR NA
INSTALL 4'X4' AREA INLET.
DESIGN AND PIPE CONNECTIONS
C3
RIM = 868.1'
INV = 865.0'
INSTALL STORMTRAP SAND FIL P S ° P
REFER TO DETAIL 2/C1.3
C19
DRAWINGS PROVIDED ON SHE T C1.7, C1.8
CONTACT STORMTRAP MANUF TU ER FOR IN
C4
INSTALL 124 LF OF 18" O PIPE.
DESIGN AND PIPE CONNECTIONS
REFER TO PIPE NOTES.
SAND MEDIA TO BE A MINIMUM OF 24 INCHES DEEP
INSTALL 5'X5' JUNCTION BOX SOLID LID.
AND MEET ASTM C33 OR EQUIVALENT
RIM = 864.4'
C5
INV - 857.0'
INSTALL 2 LF OF 24" 0 PIPE.
REFER TO DETAIL 4/C1.3
C20
REFER TO PIPE NOTES.
CONNECT TO STORMTRAP SEDIMENTATION
BASIN SIDE OF SAND FILTER
INSTALL 18 LF OF 18" O PIPE.
C'6
REFER TO PIPE NOTES.
INSTALL 70 LF OF 18" 0 PIPE.
CZ1
REFER TO PIPE NOTES.
CONNECT TO STORMTRAP SEDIMENTATION
C7
INSTALL TRENCH DRAIN.
BASIN SIDE OF SAND FILTER
RIM EAST=864.0' RIM WEST=862.5'
INV=860.5'
REFER TO DETAIL 7/C1.3
INSTALL 4'X4' AREA INLET.
C2
RIM = 869.0'
INSTALL 38 LF OF 18" O PIPE.
INV = 857.5'
C8
R ER O P E TE
REFER TO DETAIL 2/C1.3
INSTALL RIP RAP PAD PER DETAIL 5/C1.4
C
'9
MINIMUM 10 FT WIDE AT PIPE OUTLET, 12 FT WIDE AT END
CZ3
PIPE.
INSTALL 2 LF OF 24" REFER PIPE NOTES.
MINIMUM 10 FT LONG. REFER TO CALCS IN STORMWATER
REPORT
CONNECT TO STORMTRAP SEDIMENTATION
BASIN SIDE OF SAND FILTER
INSTALL 5'X5' AREA INLET.
RIM = 864.5'
C10
INV (EAST)=857.5'
REFER TO DETAIL 5/C1.3
INSTALL 98 LF OF STEM WALL.
C11
REFER TO STRUCTURAL PLANS.
C1
INSTALL 3 FT CURB CUT
C13 INSTALL 33 LF OF 24" 0 PIPE.
INV (EAST) = 854.2'
REFER TO PIPE NOTES.
INSTALL DETENTION OUTLET WALL INSIDE STROM TRAP SYSTEM.
C14 WEIR=860.3'
INV = 854.2'
REFER TO DETAIL 3/C1.3
INSTALL 4'X4' AREA INLET.
RIM = 868.1'
C15 INV = 865.1'
REFER TO DETAIL 2/C1.3
C16 INSTALL 130 LF OF 18" 0 PIPE.
REFER TO PIPE NOTES.
SYMBOLS LEGEND
REFER TO SURVEY (SV1) FOR EXISTING CONDITION SYMBOLS LEGEND AND SITE CONTROL.
----868----
EXISTING GRADE LINES
NEW SPOT ELEVATIONS
LIST ABBREVIATION
GRADE NONE
868
PROPOSED NEW GRADE LINES
SIDEWALK SW
TOP OF WALL TIN
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TOP OF CURB TC
TOP OF PAVEMENT PVT
NEW BUILDING
NEW GRADE GD
CONSTRUCTION
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CONCRETE CONC
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EXISTING TOP OF CURB ETC
EXISTING GRADE EGD
NEW SIGN LOCATION
EXISTING PAVEMENT EPVT
EXISTING SIDEWALK ESW
FLOW LINE FL
0
NEW CONCRETE PAVING BLOCK
TOP OF BERM TOP
BENCHMARK:
TEMPORARY EROSION CONTROL
1. CITY/STATE BOLT ON FIRE HYDRANT LOCATED
AT THE INTERSECTION OF FIRST STREET &
FENCE
WELCOME-ARCADIA ROAD.
ELEVATION = 877.62
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COMM # 4177
DATE: 07-26-19
REVISION
DATE: 09-09-19
01-08-2020
CIA

MONITORING AND INSPECTION REQUIREMENTS: NON-COMPLIANCE AND FINES:
• CONTRACTOR TO KEEP A RAIN GAUGE ON PROJECT SITE.
• DEDICATED DEMOLITION AND OTHER WASTE AREAS AND EARTHEN MATERIAL STOCKPILES MUST BE LOCATED AT LEAST 50,
FROM STORM DRAINS OR STREAMS UNLESS NO ALTERNATIVE IS FEASIBLE.
• CONTRACTOR TO INSPECT ALL EROSION AND SEDIMENTATION CONTROL MEASURES AT LEAST ONCE A WEEKAND WITHIN 24
HOURS AFTER ANY STORM EVENT GREATER THAN A HALF -INCH (DURING A 24-HOUR PERIOD). CONTRACTOR TO TAKE
IMMEDIATE CORRECTION ACTION FOR ANY DEVICE FAILURE.
• CONTRACTOR TO INSPECT ALL OUTLETS WHERE STORMWATER RUNOFF LEAVES THE SITE AND EVALUATE THE EFFECT ON
NEARBY STREAMS OR WETLANDS. CONTACT ENGINEER WITH ANY DISCREPANCIES FROM PLAN.
• CONTRACTOR TO TAKE CORRECTIVE ACTION IF SEDIMENT IS DEPOSITED OFF -SITE OR INTO A STREAM OR WETLAND, OR
CAUSES A VISIBLE INCREASE IN TURBIDITY (CLOUDINESS) OF ANY WATERBODY.
• CONTRACTOR TO KEEP RECORDS OF ALL INSPECTIONS AND ANY CORRECTIVE ACTIONS TAKEN.
CrIm-Section 12" min. of NCDOT•#5 mIn
a #57 washed stone-------------------M
------------- ----
- -- min
3600 cu ft/acre
tiff m? filter
fabric
benign settled Z�" Overfill 6" for
tap Iri. settlement
Plan View
4' �Emerge
,, ti's pass 6" below
---- ------ --- 5'---------- min settled top of T- --- r� dam
to w ,.
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-------------- Natural
3, Ground
Iter
arc min.
Figure SAW Plan view and crass -section viewofa temporary sediment trap.
2 SEDIMENT TRAP OUTLET DETAIL
C1.2 SCALE: NTS
I-'KUJt:U / J I MA 1 VIULA I It: 01 UKIVIVVA 1 tK YtKIVII 1 UUIVUI I IUNO ANU/UK MAVt
UNAUTHORIZED WATER QUALITY IMPACTS ARE SUBJECT TO FINES. CIVIL
PENAL TIES OF UP TO $25, 000 PER DAY FOR EACH VIOLATION MAY BE
ASSESSED.
SPECIAL NOTE:
ALL SEEDING, MULCHING, FERTILIZING AND SODDING
SHALL CONFORM TO CHAPTER 6 OF THE NC EROSION
HANDBOOK
MAINTENANCE CONTACT,
JASON BAYLESS - DIRECTOR OF FACILITIES
417-829-5710 Now
EROSION KEY NOTES:
E 1 INSTALL EROSION CONTROL FENCE PER DETAIL 2/C1.2
INSTALL DROP INLET SEDIMENT FILTER AROUND INLET
E3
SEE DETAIL 2/C1.4
E7 INSTALL CONCRETE WASH OUT PER DETAIL
ALL NEW FLOW TO BE DIVERTED AWAY FROM NEW INLETS AND
UNDERGROUND SYSTEM UNTIL THE BUILT UPON AREA IS ESTABLISHED
INSTALL 625 SQ FT OF TURF MATTING
AND THE SIDE STABILIZED ENOUGH TO PREVENT SEDIMENT FROM
ES REFER TO DETAIL 6/C1.4
O
ENTERING THE NEW STORMWATER SYSTEM
E4
INSTALL RIP RAP PAD PER N TES
E9 INSTALL DIVERSION PER DETAIL 3/C1.1
MINIMUM 4 FT WIDE AT PIPE OUTLET, 10 FT WIDE AT END
OR PER THE NCDEQ BMP MANUAL
MINIMUM 15 FT LONG
INSTALL 33 LF OF 24" DIAM PIPE
E5
TEMPORARY/ PERMANAT SEEDING AND FERTILIZING
TO OCCUR. FOLLOW GUIDELINES PER CHAPTER 6 SECTION II
PER PIPE NOTES
OF THE NC EROSION MANUAL AND SHEET C 1.6
E6
SEDIMENT BASIN TO BE BUILT USING FAIRCLOTH SKIMMER DEVICE
PER FAIRCLOTH SKIMMER DESIGN- SKIMMER SIZE 2.5INCHES. ORIFICE DIAMETER 2.0 INCHES
4X4'AREA INLET TO BE USED FOR PRIMARY STRUCTURE
RIM=850.0'
PIPE OUT= 847.0'
INV=846.5
SPECIAL NOTE:
NEW STORMWATER INLETS TO BE PROTECTED FROM SEDIMENT AT
ALL TIMES. PIPES SHALL BE PLUGGED AROUND NEW STORMWATER
DEVICES TO PREVENT SEDIMENT FROM ENTERING THE SAND
FILTER AND UNDERGROUND DETENTION.
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850 0 TOP
TEMPORARY SEDIMENT
TRAP CALCULATIONS:
DRAINAGE AREA = 1.20 ACRES TO NEW SEDIMENT POND
FAMILY DOLLAR SITE SHALL DISCHARGE TO THEIR EXISTING BASIN AND BE USED FOR SEDIMENT
STORAGE DURING CONSTRUCTION. THIS BASIN SHALL ALSO BE USED TO REDUCE STORMWATER
FLOWS TO THE O'REILLY SITE DURING CONSTRUCTION.
VOLUME:
NEW DISTURBED AREA = 1.20 ACRES
REQUIRED VOLUME = (1,800 FT3/ACRE)*1.25 ACRES = 2,250 CUBIC FEET
VOLUME PROVIDED = 8,080 VOLUME IS MET IN POND AT ELEVATION=850.00'
REFER TO STORMWATER REPRO FOR SEDIMENT BASIN DESIGN CALCULATIONS.
WATER ENTRY UNIT
WITH TRASH SCREEN
GENERAL NOTES:
1. PROPER DESIGN MUST BE COMPLETED TO MINIMIZE PIPING AROUND DISCHARGE PIPE.
2. PROPER ORIFICE OPENING MUST BE SELECTED TO ENSURE POND DRAINS IN CORRECT
AMOUNT OF TIME. MODIFICATIONS MAY BE REQUIRED IF FIELD CONDITIONS WARRANT A
CHANGE.
3. EMBANKMENT MUST BE COMPACTED TO DESIGN SPECIFICATIONS.
4. EMERGENCY SPILLWAY MUST BE CORRECTLY SIZED AND EROSION PROTECTION
INSTALLED.
5. EROSION PROTECTION MUST BE INSTALLED ALONG THE EMBANKMENT AND AT THE
ORIFICE OPENING INSIDE THE
DISCHARGE END OF THE PIPE.
HORIZONTAL TUBE WITH A
6. INSPECT SYSTEM REGULARLY TO ENSURE IT IS FUNCTIONING IN A CORRECT MANNER.
CONSTANT HYDRAULIC HEAD
7. EIGHT SIZES OF SKIMMERS ARE AVAILABLE, REFER TO THE FLOW SHEET, CUT SHEET,
L-u--_/ AND INSTRUCTIONS ON WEB SITE FOR EACH SIZE.
SCHEDULE 40 PVC PIPE
(BARREL OR ARM) EARTHEN EMBANKMENT
MAXIMUM HEIGHT OF FLOAT WHEN NO
EMERGENCY SPILLWAY OTHER STORM WATER DISCHARGE
OPENINGS EXIST
FLEXIBLE HOSE (MAJOR STORM EVENT)
FLOAT
INVERT OF LOWEST STORM PVC VENT
GRATE WATER DISCHARGE OPENING PIPE
(MINOR STORM EVENT)
TOP VIEW FLOAT
FLEXIBLE HOSE MUST BE
SECURELY FASTENED TO
PVC VENT PIPE STORM WATER THE WATER QUALITY
DISCHARGE DISCHARGE OPENING
OPENING
1,7 OUTLET PIPE
FLEXIBLE HOSE
H L = 1.4 X DEPTH
1
TO THE OVERFLOW MNMMLENSIH APPLES
WATER ENTRY UNIT SCHEDULE 40 PVC PIPE
(BARREL OR ARM)
END VIEW SIDE VIEW MAINTAIN DEPRESSION CHNE OF
(NO SCALE) MINIMIZESKIMMER BECOMING STUCK
DRAWN BY T. R. EVANS 10PO
FAIRCLOTH SKIMMER®DISCHARGE SYSTEM WITH OUTLET a W F"N�`°,N `s°" INC.
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EROSION STAGES OF CONSTRUCTION:
1. CONTRACTOR TO PERFORM DETAILED SITE INSPECTION TO LOCATE ALL EXISTING UTILITIES AND
VERIFYANY POSSIBLE CONFLICTS WITH PROPOSED IMPROVEMENTS PRIOR TO BEGINNING ANY
CONSTRUCTION. CONTACT OWNER WITH ANY CONFLICTS. MONTH 1
i 2. INSTALLATION OF CONSTRUCTION ENTRANCE. MONTH 1
3, INSTALLATION OF EROSION CONTROL FENCE. MONTH 1
i 4. INSTALLATION OF EROSION SEDIMENT CONTROL POND. MONTH 1
EXISTING STORMWATER POND TO REMAIN ON SITE TILL LATEST DATE POSSIBLE
5. DEMOLITION OF EXISTING SITE IMPROVEMENTS. MONTH 1
6. REMOVAL OF EXISTING PAVEMENT ON THE SITE. MONTH 1
7 INSTALLATION OF ALL STORM WATER DRAINAGE IMPROVEMENTS. MONTH 1
-KEEP UNDERGROUND SAND FILTER AND DETENTION BASIN DISCONNECTED FROM SEDIMENT
MONTH 1
i 8. INSTALLATION OF EROSION PROTECTION AROUND INLETS AND PIPES MONTH 1
9. ROUGH GRADING. MONTH 1 & MONTH 2
10. STABILIZE EASTERN PORTION OF SITE TO PREVENT SEDIMENT RUNOFF MONTH 2
11. CONSTRUCTION OF NEW SITE IMPROVEMENTS. MONTH 2
- STABILIZE BUILDING FOOTING AS SOON AS POSSIBLE TO PREVENT SEDIMENT FROM LEAVING
SITE MONTH 2
12. FINAL GRADING. MONTH 3
i 13. PLACEMENT OF FINAL LANDSCAPING ITEMS AND SOD. MONTH 3
14. REMOVAL OF EROSION CONTROL FENCE. MONTH 3
AND MAINTENANCE REQUIREMENTS:
CONTRACTOR MUST PROVIDE THE OPERATION AND MAINTENANCE NECESSARY TO MAINTAIN OPTIMAL PERFORMANCE OF
STORMWATER CONTROLS. THE CONTRACTOR MUST TAKE CORRECTIVE ACTION IF EROSION AND SEDIMENT CONTROL MEASURES
ARE NOT OPERATING PROPERLY. OPERATION AND MAINTENANCE INCLUDES, BUT IS NOT LIMITED TO:
• REGULARLY CLEANING OUT SEDIMENTATION BASINS.
• STABILIZING ERODED BANKS, CHANNELS OR SPILLWAY STRUCTURES.
• REPAIRING/CLEARING OUT INLETS AND OUTLETS.
• REPAIRING AND MAINTAINING STORM DRAINAGE INLET AND OUTLET PROTECTION.
• REPAIRING PIPING, SEEPAGE, AND MECHANICAL DAMAGE.
• REPAIRING SILT FENCE DAMAGE. 12-Di it HUC (subwatershed}
REPORTING REQUIREMENTS:
SELF -INSPECTIONS REQUIRED BY NPDES STORMWATER DISCHARGE PERMIT FOR CONSTRUCTION
ACTIVITIES NCG010000 ARE AN OPPORTUNITY TO IDENTIFY IMPACTS TO NEARBY WATERS.
IF THE CONTRACTOR OBSERVES SEDIMENT THAT HAS BEEN DEPOSITED IN A STREAM OR WETLAND,
THEY MUST NOTIFY THE DEMLR REGIONAL OFFICE WITHIN 24 HOURS AND PROVIDE WRITTEN NOTICE
WITHIN FIVE DAYS.
NPDES STABILIZATION PLAN GENERAL NOTES:
S
12-Digit Name:
Reedy Creek
12-Digit Code:
030401011502
10-Digit Name:
Reedy Creek -Yadkin River
10-Digit Code:
0304010115
8-Digit Code:
03040101
River Basin:
Yadkin Pee Dee
12-Digit Area (ac):
14,080.00
• THIS PAGE IS SUBMITTED TO COMPLY WITH NPDES GENERAL STORMWATER PERMIT NCG010000;
• THIS PAGE CAN BE APPROVED BY THE CITY PURSUANT TO NPDES GENERAL STORMWATER PERMIT NCG010000
ONLY;
• THIS PAGE OF THE APPROVED PLANS IS ENFORCEABLE EXCLUSIVELY PURSUANT TO NPDES GENERAL
STORMWATER PERMIT NCG010000;
• THE CITY IS NOT AUTHORIZED TO ENFORCE THIS PAGE OF THE PLANS AND IT IS NOT A PART OF THE APPROVED
PLANS FOR PURPOSES OF ENFORCEMENT ACTION UNDER THE CITY CODE.
Compacted soil 2
I� min >•�
_- 18" min
I 1[Ifl Il f11 I111 ill �1!! ►� i
-0-- 6' typical
Figure 6.20a Temporary earther diversion dike.
3 � DIVERSION BERM
C1.2 J SCALE: NTS
SPECIAL NOTE:
CONTRACTOR SHALL FIELD VERIFY PROPOSED GRADES
MATCH EXISTING PAVEMENT AT DRIVEWAY ENTRANCES.
CONTRACTOR SHALL NOTIFY ENGINEER IF DISCREPANCY
OCCURS.
NOTE: PRIOR TO BEGINNING ANY SITE WORK & ORDERING OF
MATERIALS, CONTRACTOR SHALL FIELD VERIFY ALL UTILITY&
DRAINAGE CONNECTIONS TO EXISTING SYSTEMS BY POT
HOLING AND SHALL NOTIFY ENGINEER OF NEEDED CHANGES:
FAILURE TO DO SO WILL RESULT IN THE CONTRACTOR BEING
RESPONSIBLE FOR ALL REVISION COSTS AND DELAYS.
ow what's below. SPECIAL NOTE:
FIELD VERIFY SANITARY SEWER CONNECTION INVERT PRIOR TO
Call before you dig ESTABLISHING FINAL FINISH FLOOR ELEVATION. REFER TO SITE
UTILITIES PLAN.
6.20.1
SYMBOL EGEND
REFER TO SURVEY (SV1) FOR EXISTING CONDITION SYMBOLS LEGEND AND SITE CONTROL.
----868----
EXISTING GRADE LINES
NEW SPOT ELEVATIONS
LIST ABBREVIATION
GRADE NONE
$6$
PROPOSED NEW GRADE LINES
SIDEWALK SW
TOP OF WALL TW
O
TOP OF CURB TC
TOP OF PAVEMENT PVT
NEW BUILDING
`�
NEW GRADE GD
CONSTRUCTION
C
CONCRETE CONC
EXISTING TOP OF CURB ETC
NEW SIGN LOCATION
EXISTING GRADE EGD
EXISTING PAVEMENT EPVT
EXISTING SIDEWALK ESW
FLOW LINE FL
0
NEW CONCRETE PAVING BLOCK
TOP OF BERM TOP
BENCHMARK.
TEMPORARY EROSION CONTROL
1. CITYISTATE BOLT ON FIRE HYDRANT LOCATED
AT THE INTERSECTION OF FIRST STREET &
FENCE
WELCOME-ARCADIA ROAD.
ELEVATION = 877.62
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SURFACE FLOW ARROW
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COMM # 4177
DATE: 07-26-19
REVISION
DATE: 01-08-2020

KEY NOTES:
INSTALL DIVERSION WALL INSIDE STROM TRAP SYSTEM.
WEIR=859.2'
INSTALL EROSION CONTROL FENCE.
C1
INV = 854.2'
C�
REFER TO DETAIL 1/C1.4
REFER TO DETAIL 6/C1.3
OINSTALL
C'2
CONSTRUCTION EGRESS.
INSTALL STORMTRAP SYSTEM SH P
REFER TO NOTES AND 3/C1.4
C18
DRAWINGS PROVIDED ON SHE T C1.9, C1.10, C1.11
CONTACT STORMTRAP MANUF TU ER OR NA
INSTALL 4'X4' AREA INLET.
DESIGN AND PIPE CONNECTIONS
4
RIM = 868.1'
INV = 865.0'
INSTALL STORMTRAP SAND FIL P S P
REFER TO DETAIL 2/C1.3
C19
DRAWINGS PROVIDED ON SHE T C1.7, C1.8
CONTACT STORMTRAP MANUF TURER FOR FINA
C4
INSTALL 124 LF OF 18" 0 PIPE.
DESIGN AND PIPE CONNECTIONS
REFER TO PIPE NOTES.
SAND MEDIA TO BE A MINIMUM OF 24 INCHES DEEP
INSTALL 5'X5' JUNCTION BOX SOLID LID.
AND MEET ASTM C33 OR EQUIVALENT
RIM = 864.4'
9
INV - 857.0'
INSTALL 2 LF OF 24" 0 PIPE.
REFER TO DETAIL 4/C1.3
C20
REFER TO PIPE NOTES.
CONNECT TO STORMTRAP SEDIMENTATION
BASIN SIDE OF SAND FILTER
INSTALL 18 LF OF 18" 0 PIPE.
C'6
REFER TO PIPE NOTES.
INSTALL 70 LF OF 18" QJ PIPE.
CZ1
REFER TO PIPE NOTES.
CONNECT TO STORMTRAP SEDIMENTATION
C7
INSTALL TRENCH DRAIN.
BASIN SIDE OF SAND FILTER
RIM EAST=864.0' RIM WEST=862.5'
INV=860.5'
REFER TO DETAIL 7/C1.3
INSTALL 4'X4' AREA INLET.
CZ
RIM = 869.0'
C8
INSTALL 38 LF OF 18" 0 PIPE.
INV = 857.5'
REFER TO DETAIL 2/C1.3
INSTALL RIP RAP PAD PER DETAIL 5/C1.4
C9
MINIMUM 10 FT WIDE AT PIPE OUTLET, 12 FT WIDE AT END
INSTALL 2 LF OF 24" 0 PIPE.
MINIMUM 10 FT LONG. REFER TO CALCS IN STORMWATER
C23
REFER TO PIPE NOTES.
REPORT
CONNECT TO STORMTRAP SEDIMENTATION
BASIN SIDE OF SAND FILTER
INSTALL 5'X5' AREA INLET.
- - - -
C10
RIM = 864.5'
INV (EAST)=857.5'
24" PIPE
REFER TO DETAIL 5/C1 3
NEENAH R-4859C (2.4 SQ. FT OPEN
AREA MIN.) INLET GRATE WITH
NEENAH R-4899 ANGLE FRAME
VARIES M11,
IN
.6„ • 6"-
i.' 36„ .
4'x4' CONCRETE
INLET WITH CUSTOM
e. TOP LID. ALL
` CONCRETE TO BE
r MIN 4,000 PSI AT
28 DAYS. ALL STEEL
48" TO BE fy = 60,000 PSI.
NOTES: END VIEW
1. INLET CAN BE SUBSTITUTED WITH ROUND EQUIVALENTS.
2 41X41AREA INLET
lC 1 ■3J SCALE: NOT TO SCALE
PVC CAP INSTALLED ON END OF
- - - - PERFORATED UNDERDRAIN
1.5" HOLE IN CAP TO DRAIN SAND
OINSTALL 98 LF OF STEM WALL. a FILTER 0854.2'
C11 REFER TO STRUCTURAL PLANS. 3
42".
INSTALL 6" THICK WEIR WALL W/ #4'S
INSTALL 3 FT CURB CUT
C12 0 6" E.W. DOWEL WEIR WALL INTO
EXTERIOR WALL OF STORMTRAP
SYSTEM 0860.3'
6INSTALL 33 LF OF 24" 0 PIPE. 4-INCH PERFORATED UNDERDRAIN
3�INV (EAST) = 854 2' PLAN VIEW PER STORM TRAP PLANS
- - - - a ORIFICES
♦ 24 PIPE M
o
INSTALL 6" THICK WEIR WALL W/ #4'S
3 0 6" E.W. DOWEL WEIR WALL INTO
EXTERIOR WALL OF STORMTRAP
42"SYSTEM 0860.3'
PLAN VIEW
NOTES: oveRFLow weiR-860.3'
1. SEAL ALL CONNECTIONS WITH NON -SHRINK GROUT. 7" ORIFICE
2. MIN. #4 BARS 0 12" O.C. EACH WAY (ALL WALLS VERT, HOR &
SLAB)
-s57.o'
3. INSTALL 6" THICK WEIR WALL W/ #4'S 0 6" E.W., DOWEL WEIR (0
WALL INTO CONCRETE BOX. 11" LOW FLOW ORIFICE
4. AFTER EACH MAJOR RAINFALL EVENT OWNER MUST INSPECT WATER
QUALITY/DETENTION OUTLET FOR SEDIMENT ACCUMULATION AND-s54.2'
REMOVE SEDIMENT IF PRESENT. I�36"-
5. ALL STRUCTURES SHALL MEET CITY OF PATTERSON STANDARDS
WEIR WALL
W DETENTION OUTLET BOX
SCALE: NOT TO SCALE
NEENAH SOLID LID
VARIES 9
MIN �
6" 6"'
�. 48"
5'x5' CONCRETE
REFER TO PIPE NOTES. r .
NOTES: T
SLAB
INSTALL DETENTION OUTLET WALL INSIDE STROM TRAP SYSTEM. 1. SEAL ALL CONNECTIONS WITH NON -SHRINK GROUT. }
OC14 WEIR=860.3' 2 #4 BARS 0 12" O.C. EACH WAY (ALL WALLS VERT, HOR &
INV =854.2' ) o
REFER TO DETAIL 3/C1.3 3. INSTALL 6" THICK WEIR WALL W/ #4'S 0 6" E.W., DOWEL WEIR Sri
WALL INTO CONCRETE BOX.
INSTALL 4'X4' AREA INLET. 4. AFTER EACH MAJOR RAINFALL EVENT OWNER MUST INSPECT WATER
RIM = 868 1' QUALITY/DETENTION OUTLET FOR SEDIMENT ACCUMULATION AND
-859.2' �, r' . INLET WITH CUSTOM
TOP LID. ALL
r CONCRETE TO BE
MIN 4,000 PSI AT
28 DAYS. ALL STEEL
60" TO BE fy = 60,000 PSI.
C 15-854.2'
INV = 865.1' REMOVE SEDIMENT IF PRESENT. I~36"�I NOTES: END VIEW
REFER TO DETAIL 2/C1.3 5. ALL STRUCTURES SHALL MEET CITY OF PATTERSON STANDARDS
WEIR WALL
INSTALL 130 LF OF 18" O PIPE.
C16 REFER TO PIPE NOTES.
IN
1 STORMWATER PLAN
Ci 1 ..3 SCALE: I" = 20'
WQ 6' DIVERSION BOX
SCALE: NOT TO SCALE
1. INLET CAN BE SUBSTITUTED WITH ROUND EQUIVALENTS.
4 5' X 5' JUNCTION BOX
C �,3 SCALE: NOT TO SCALE
WaCOYE S
TWEE T
71nnl
50 °4 '4311E 3 , \
N N HORIZONTAL SCALE
20 0 10 20 40
( IN FEET )
1 inch = 20 ft.
Cipq�R ?D
EPLY,CRAVE
lC v� y� •
��F ARCA��9 SITE
52
VICINITY MAP
N. T. S.
NEENAH R-4859C (2.4 SQ. FT OPEN
AREA MIN.) INLET GRATE WITH
NEENAH R-4899 ANGLE FRAME
�\ VARIES 91,
MIN /
/�\�\\r��/// i\/,\
6„ 6"-
i. 48"
5'x5' CONCRETE
INLET WITH CUSTOM
TOP LID. ALL
CONCRETE TO BE
° MIN 4,000 PSI AT
28 DAYS. ALL STEEL
60" TO BE fy = 60,000 PSI.
NOTES: END VIEW
1. INLET CAN BE SUBSTITUTED WITH ROUND EQUIVALENTS.
5 5' X 5' AREA INLET
lC 1 ■ 3J SCALE: NOT TO SCALE
Know what's below.
Cal before you dig.
SPECIAL NOTE:
CONTRACTOR SHALL FIELD VERIFY PROPOSED GRADES
MATCH EXISTING PAVEMENT AT DRIVEWAY ENTRANCES.
CONTRACTOR SHALL NOTIFY ENGINEER IF DISCREPANCY
OCCURS.
TRENCH FRAME W/ TYPE "C" GRATE
COVER OR APPROVED EQUAL.
' VARIES
.A. .'
18"
6" (TYP.) t :.
CONTINUOUS CONCRETE
TRENCH DRAIN \\\\\\ \\\/ • / \\\\\/10
3 - #4 BARS
CROSS SECTION
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TOP OF PAVEMENT
2.0' - 2.5')
TRENCH FRAME W/ TYPE "C" GRATE IN 24" LENGTHS
COVER OR APPROVED EQUAL.
(SEE PLAN FOR LENGTH OF DRAIN)
• a
,. ::;'f.:. .. •. *' •:. •°�' • a' :•'• #4 BARS 0 12'
9LLh X HEAVY DUTY
SEE PLAN FOR PIPE SIZE
6" (TYP.)
NOTE: PRIOR TO BEGINNING ANY SITE WORK & ORDERING OF
MATERIALS, CONTRACTOR SHALL FIELD VERIFYALL UTILITY&
DRAINAGE CONNECTIONS TO EXISTING SYSTEMS BY POT
HOLING AND SHALL NOTIFY ENGINEER OF NEEDED CHANGES:
FAILURE TO DO SO WILL RESULT IN THE CONTRACTOR BEING
RESPONSIBLE FOR ALL REVISION COSTS AND DELAYS.
ow
80 SPECIAL NOTE:
FIELD VERIFY SANITARY SEWER CONNECTION INVERT PRIOR TO
ESTABLISHING FINAL FINISH FLOOR ELEVATION. REFER TO SITE
UTILITIES PLAN.
LONGITUDINAL SECTION
7 TRENCH DRAIN DETAIL
C1 ■3 SCALE: NOT TO SCALE
SYMBOLS LEGEND
REFER TO SURVEY (SV1) FOR EXISTING CONDITION SYMBOLS LEGEND AND SITE CONTROL.
----868----
EXISTING GRADE LINES
NEW SPOT ELEVATIONS
LIST ABBREVIATION
GRADE NONE
$6$
PROPOSED NEW GRADE LINES
SIDEWALK SW
TOP OF WALL TIN
Q
O
TOP OF CURB TC
TOP OF PAVEMENT PVT
NEW BUILDING
NEW GRADE GD
CONSTRUCTION
��
CONCRETE CONC
'A
EXISTING TOP OF CURB ETC
EXISTING GRADE EGD
NEW SIGN LOCATION
EXISTING PAVEMENT EPVT
EXISTING SIDEWALK ESW
FLOW LINE FL
0
NEW CONCRETE PAVING BLOCK
TOP OF BERM TOP
BENCHMARK-
1. CITY/STATE BOLT ON FIRE HYDRANT LOCATED
TEMPORARY EROSION CONTROL
AT THE INTERSECTION OF FIRST STREET &
FENCE
WELCOME-ARCADIA ROAD.
ELEVATION = 877.62
< <
SURFACE FLOW ARROW
CA
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COMM # 4177
DATE: 07-26-19
REVISION
DATE: 01-08-2020
C1.3

mex.
sfael
parr
Practice Standards ond.Spaifit iti..
Plastic or
wire ties
Wire
fence.
Natural
ground
-
s hen
24'tihe
treneb5
I
brie
Cross-section
view
Filter
Steel fobr.c Bidder trench herverl
post °:haronihi, SeauM
to a
24-
Figure Leon Installation detail of a warrentfence.
6.b25
11ar, ,
SILT FENCE PROTECTION
1.4 NOT TO SCALE
2.3"
coarse aggregate
Figure 6.06a Gravel entrance/exit keeps sediment from leaving the construction site (modified from Va SWCC).
3 1 CONSTRUCTION ENTRANCE
C1 .4 NOT TO SCALE
1 I SITE EROSION DETAILS
C1.3 1 SCALE: II1 = 20'-0"
Practice Standards and ,Speciftcadonv
laintenance In poet szd mnenfen es at leas o eaweekard afte ea hahUall. Makeany
required rep -sus inunedeately.
Selo dd the Future of a sedmrcnt force wllapec, tca5 duccimpose or become
inedeuwe- replace it principal
Rzoonve sed merit deposits as necessary to provide adecram a storage volume
for the Loaf ram and to reduce pressure on the fence. Take care to avoid
undermining the fence during cleaont.
to mov'e all hearing ma vials and unstable sediment deposits and bring the
area to grade and stabilize it after the contributing drainage area has been
properly stubilized.
References ASTMD6461-99."Standard SpniflAffroe for SifFence Materials"ASTM
Iateonational. For referenced ASTM stmdardq visit the ASTM website,
wvvw.asm e,mg, or vnmtaetAST LI Costmner Service atservice(Nasmo.org. For
Annual Book ofASTM Standards v,d u s, mformation, refer to the standard's
Document Smmuary page tar the ASTM welesite.
ASTM 1) 6462 03. "Standard Practice fro Silt Force hastudimion" ASTM
Intenmtional For refereaced ASTM standards, visit the ASTM website,
www.asmn.org, or contactASTM Cars misaw Service at service(asstm.org. For
Annual Book of.ASTM Standards volume information, reform the standard's
Document Summary page on the ASTM website.
Washing-lfc andrions at the site am such thatmost of the mud and sediment
era not removed by vehicles traveling over the gravel, the tires should be
washed Washing should be done on an area stabilized with crashed stone
the drains inn a sediment trap ,,w other suitable disposal area. A wash rack
may also be used to make washing more Convoinew and effective.
Construction
I. Clear the entrance and exit area of all vegetation roots, and other
Specifications
olijectiurizble material and properly grade it.
2. Plum the gravel to the speciflc gmdc and dimensions shown on the plans,
and sti it.
3. Provide drainage to cam water to a sediment map or either suitable
outlet.
4. Use geotextud e fabrics because they improve stability of the foundation in
lacmions subject to seepage or high water table.
Maintenance
Marmon die gavel pad to a condition to prevent mud or sediment from
Leaving the construction site This may require periodic topdhessing with 2.
inch stone. After each rainfall, inspect any structure used to trap sediment
mtd Cl2aI11t OL1t aS neCPS38fY Immedlatelyre1110ve all objectionable materials
spilled w.shed, or tacked onto public roadways.
References
Rrmq((ComzDancaddeaxarPs
630, Gress -lined Channels
.S'edlment Traps and Barriers
1, 60, Temporary Sediment hap
Mara, including "excelsiar" tweed fiber) blankek, are considered putative
mulches and easy he used alone, an erudihie will, Bud during all if. fifth.
year. Place the matting in time cantata xmh the wit, and staple securely
INSTALLATION OF NETTING AND MATTING
Products dcogned to omeet erasion should be handled in w ordowe with
manufacturer's instrucmae. Any mat or blanket -type pmdeet used as a
Protective match should Provide awcr of at (cast 30se of the surface where it
Is applied. Irlolallarion Isillustrated in Figure el4a.
1. Apply lime, fertilizer and aced before laying the not or mat.
Anchor netting in
a 12-Inch trench
In channels, roll out strips of netting parallel to the
direction of flow and over the protective mulch.
12-inch
overlap V. Join strips by anchoring
Figur" 6.148 lrrata ks, 01na.ng aria mean, (modified Dam Va. Divof f fewlso. and overlapping.
6
C1.t
MATTING DETAIL
0
Dewstermq
Tempomrysedmanl Vorescreen Dewatedng
Pool \
T
min
2 max 16-
•Jllllil•ew
dn,
I gv Do Pinlet
Sac momwith grate
ne�,.asa amrv>naemslemp'=m M>peum,
2
C1.
Construction L Iav an Linda on etch vi& of its undoes on as we in the baaom raw
Specifications
lwolariimpe. nefeweds OwuldceeaavatM al knL2brcics
P bckn k infu is ee lsol :l.n. PI:u IRA Whin ran of blooke eneve
ire edge of the Owns dean for two, wpWn and w end wabow, nice
,nx4voird wa. Ifrughbleik ricmt sunron lovlmbseglen.nobB'pkLing
3 x.l card molds tlwnghblah opaJugs.
L t8aYuav fit tmNwuc does., eompuable n'iecoh-th! sir openers
Deer 2.11 stock onno,. Waghwel in p1.
I Use rese gone 4, ro Vinci In dowwer. piwxd 2ircMs bek, the so
Mtic bI k on s 11 sore of off Iorand onesh It 0 an even pule. DCYT#57
n n.l nIInowd.
INLET PROTECTION
NOT TO SCALE
Practice Standards and .Specifications
2. Start laying the net from the rep ofthe channel or slope, and unroll it down
the grade. Allow netting to lay loosely on the soil or mulch cover but
without wrinkle"o not stretch.
3. To secure die net, bury the upslope end in a slot or trench no less than 6
inches deep, cover with soil, and tamp firmly as shown in Figure 6.14a. Staple
the net every 12 inches across the top end and every 3 IF amend the edges and
bottom. Where 2 strips of net are laid side by side, the adjacent edges should
be overlapped 3 inches and stabled together. Each strip offsetting should also
be stapled down the eentea every 3 ft. Do not stretch the net when applying
staples.
4. Tojoin two snips, cut a wench to anchor the end ofthe new net. Overlarge,
end of the previous ulI IS inches, as shown in Figure ISMS. and staple every
12 inches just below the anchor slot.
Maintenance Inspect all mulches periodically, and after rainstorms to check for rill erosion,
dislocation or failure. Where erosion is observed, apply additional mulch. If
washout occurs, repair the slope grade, reseed and reinstall mulch. Continue
inspections until vegetation is firmly established.
References Smfnce Stabilization
6.11, Permanent Seeding
Appendix
8A2, Vegetation Tables
Pracdiee Standards and Sper#11cadens
Temporary sediment pool
Wire goptioWire nap
2' max 2:1 sloPey 3:1 slope
Fine gravel'I-11
race '1' min ell_ 3" III -=-III_ I b+°�
thickness) stone III- II a>:
e,
Figure6.52b Gravel Mop inlet Woe 4C (graveld 0).
4. If onFe stone and gravel are used, keep the slope toward Ills tiger an steeper
dun3:1. Lemea minimum l4bravoide khelsrorcarealasswentleslmchue
vmd aroundthe inlet. pm•emgmsel from monng inlet. On the slopemwaN
An inlet, use store 3 inches in diameter or larger On the slope away from
the adet use h - %4mb gravel (NCDOT #57 washad stoic) at a minimum
ddoknesa of 1 foot
Maintenance ❑spat The bamerat least weekly and aftereach significant ('hi ultorgreateq
minfaell and make repairs as receded.
Remove sediment as Iccessan to prmide adequate storage volume for
subsequent rains.
Winn the coumbudng drainage area M, been adequately stabilized remove
allmmcriale unstable
and any stable soil. and cltlxn se salvage or dispoof it properly.
Bring the disturbed area to proper grade, dmen smooth ad contract it.
Appropriately stabdize all ban areas and the fare[.
References 7nietProtect-
&N. EKere.eal Drop Inlet Protection (mammary)
6,51, Hardware Craft and Gravel ln(m Protection(Temporart)
.North Coodimr Deportment of7taxaparmrion
Smadard SIRCificartions for Rowels and Stnrcures
a
SECTION Be
I NOTTOSGLLE
H-ra'as's-L H
ILVANEE,
B CONCRETEWASHOUT
SIGN DEFAIL
(OR EGUNALENT)
�l Y +r Du
+sreELMass
STAPLE
If mu IsAfTleunion PLAIN .. DETAIL
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1. HAND PLACE RIP -RAP IN ALL PLACES AS INDICATED ON THE PLAN. COMM # 4177
2. THE STONE FOR RIP -RAP SHALL CONSIST OF FIELD STONE OR ROUGH UNHEWN
QUARRY STONE AS NEARLY AS UNIFORM, IN SECTION AS PRACTICAL. DATE: 07-26-19
3. THE STONES SHALL BE DENSE, RESISTANT TO THE ACTION OF AIR AND WATER,
AND SUITABLE IN ALL ASPECTS FOR THE PURPOSE INTENDED UNLESS
OTHERWISE SPECIFIED.
4. ALL STONES USED AS RIP -RAP SHALL WEIGH BETWEEN 50-150 POUNDS EACH,
AND AT LEAST 60 PERCENT OF THE STONES SHALL WEIGH MORE THAN 100
POUNDS EACH.
5. STONES SHALL BE A MINIMUM OF 12" IN DIAMETER AND PLACED A MINIMUM OF
24" BELOW FINISH GRADE.
6. RIPRAP PAD SHALL HAVE NO SLOPE FOR THE LENGTH OF THE RIPRAP PAD.
7. FINISHED GRADE ADJACENT TO THE RIPRAP PAD SHALL BE A MINIMUM OF 6"
ABOVE THE RIRPRAP PAD BOTTOM.
F5P RIPRAP PAD
C1 e4 SCALE: NOT TO SCALE
BOTTOM WIDTH
CIA
NOT TO SCALE

row
Table 6.10a
Temporary Seeding
Recommendations for Late
Winter and Early Spring
Seeding mixture
Species Rate (Ib/acre)
Rye (grain) 120
Annual lespedeza (Kobe in
Piedmont and Coastal Plain,
Korean in Mountains) 50
Omit annual lespedeza when duration of temporary cover is not to
extend beyond June.
Seeding dates
Mountains —Above 2500 feet: Feb. 15 - May 15
Below 2500 feet: Feb. 1- May 1
Piedmont —Jan. 1 - May 1
Coastal Plain —Dec. 1 - Apr. 15
Soil amendments
Follow recommendations of soil tests or apply 2,000 Ib/acre ground
agricultural limestone and 750 Ib/acre 10-10-10 fertilizer.
Mulch
Apply 4, 000 lb/acre straw. Anchor straw by tacking with asphalt, netting,
or a mulch anchoring tool. A disk with blades set nearly straight can be
used as a mulch anchoring tool.
Maintenance
Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
immediately following erosion or other damage.
1N,TDES Growidcover Requirements
Sire Area Description
Stabilization Time
Stabilization Time Frame
Frame
Exceptions
Perimeter dikes, swales, ditches,
7 Days
None
and slopes
High Quality Water (HQW) Zones
7 Days
None
Slopes Steeper than 3:1
7 Days
If slopes are 10' of less in length
and are not steeper than 2:1; 14
Days are allowed
Slopes 3: 1 or Flatter
14 Days
7 Days for slopes greater than So
feet mlen th
All other areas with slopes flatter
14Days
1
None (except for perimeters and
than 4:1
HQW zones)
* "Extension of time may be approved by the permitting authorih, based on weather or other site -
specific condition that make compliances impracticable." (Section ILB 2 b
1 I SITE EROSION DETAILS 2
Table 6.10b
Temporary Seeding
Recommendations for
Summer
Seeding mixture
Species
German millet
Practice Standards and Specifications
Rate (Ib/acre)
40
In the Piedmont and Mountains, a small -stemmed Sudangrass may be
substituted at a rate of 50 lb/acre.
Seeding dates
Mountains —May 15 - Aug. 15
Piedmont —May 1 -Aug. 15
Coastal Plain —Apr. 15 - Aug. 15
Soil amendments
Follow recommendations of soil tests or apply 2,000 lb/acre ground
agricultural limestone and 750 lb/acre 10-10-10 fertilizer.
Mulch
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt, netting,
or a mulch anchoring tool. A disk with blades set nearly straight can be
used as a mulch anchoring tool.
Maintenance
Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
immediately following erosion or other damage.
VEGETATIVE STABILIZATION:
SOIL PREPARATION TO BE PER LANDSCAPEPLANAND O'REILLYSPECS.
SEED, FERTILIZER, AND MULCH TYPEAND RATES TO BE PER LANOSCAPEPLANAND O'REILLYSPECS
LAWNS: (HYDROSEED), FRESH, CLEAN, NEWCROP SEED MIXTUREBYAPPROVED METHOD COMPOSED OF
FALCON TALL FESCUE(75%)AND CROSSFIRE(25%) AND DEGRADABLE GREEN DYED WOOD CELLULOSE
FIBER OR 100%RECYCLED LONG FIBER PULP. MIXTURE SHALL BE FREEFROM WEEDS OR OTHER
FOREIGN MATTER TOXIC TO SEED GERMINATION SEED PURITYSHALL BE95% WITHA MINIMUM80%
GERMINATION.
LAWNS (SOD), STRONGLY ROOTED, 2 YEARS OLD, ASPA APPROVED, CONSISTING OFFALCON TALL
FESCUE (75%)AND OR CROSSFIRE (25%) CUT WITH MINIMUM 9=INCHAND MAXIMUM 1-INCH TOPSOIL BASE
OR APPROVED EQUAL.
TOPSOIL: FROM SITE STOCKPILE OR ADDITIONAL FERTILE, FRIABLE TOPSOIL FROM LOCAL SOURCE.
MATERIAL SHALL BE REASONABL Y FREE OF SUBSOIL, CLAY, LUMPS, BRUSH, REPRODUCTIVE PARTS OF
NOXIOUS WEEDS, AND OTHER LITTER, AND FREE OF ROOTS, STUMPS, STICKS, AND STONES LARGER
THAN 2" IN ANY DIMENSIONS.
PLANTING SOIL MIXTURE PROVIDE MIXTURE IN RATIO OF PARTS TOPSOIL, 1 PART PEATMOSS AND 1
PART SAND. ADD AMENDMENTS AS REQUIRED,
SOIL AMENDMENTS..
•• FERTILIZER, TEN POUNDS OF I3-13-13,NON-BURNING FERTILIZER PER 1000 SQUARE FOOT COMPOSED OF
NOT LESS THAN 50%ORGANIC SLOWACTING GUARANTEED ANALYSIS FERTILIZER OR APPROVED EQUAL.
•• ROTTED COMPOSTED MANURE.
•• PLANTING TABLETS: 21 GRAM AGRIFORM (20-10-5) OR APPROVED EQUAL.
•• LIME, PEAT MOSS, AND OTHER AMENDMENTS AS REQUIRED FOR PLANTING SOIL MIXTURE
LANDSCAPE MATERIALS:
•. BARKORMULCH.
••• STRAW, WOOD CELLULOSE FIBER, GROUND OR SHREDDED BARK.
••. 1-112'TO 7PINE BARK WOOD CHIPS.
••• MEDIUM OR LARGE SIZE REDWOOD BARK.
.« SHREDDED PIPE BARK.
••• SHREDDED CEDAR.
••• AGED I YEAR SHREDDED HARDWOOD.
Table 6.10c
Temporary Seeding
Recommendations for Fall
Seeding mixture
Species Rate (Ib/acre)
Rye (grain) 120
Seeding dates
Mountains —Aug. 15 - Dec. 15
Coastal Plain and Piedmont —Aug. 15 - Dec. 30
Soil amendments
Follow soil tests or apply 2,000 lb/acre ground agricultural limestone
and 1,000lb/acre 10-10-10fertilizer.
Mulch
Apply 4,000 lb/acre straw. Anchor straw bytacking with asphalt, netting,
or a mulch anchoring tool. A disk with blades set nearly straight can be
used as a mulch anchoring tool.
Maintenance
Repair and refertilize damaged areas immediately. Topdress with 50
lb/acre of nitrogen in March. If it is necessary to extent temporary
cover beyond June 15, overseed with 50 Ib/acre Kobe (Piedmont and
Coastal Plain) or Korean (Mountains) lespedeza in late February or
early March.
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DATE:
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REVISION
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C1.6

StormTrap
MODULAR CONCRETE
STORMWATER MANAGEMENT
O'REILLY AUTO PARTS
LEXINGTON,NC
BILL OF MATERIALS
QTY.
UNIT TYPE
DESCRIPTION
TOP WEIGHT
BASE WEIGHT
0
I
8'-4" DOUBLETRAP
14984
14782
0
II
8'- 4" DOUBLETRAP
16835
16633
15
III
8'- 4" DOUBLETRAP
14358
14257
1
IV
8'- 4" DOUBLETRAP
15283
15182
0
VII
8' - 4" DOUBLETRAID
13726
13726
0
SPIV
8'- 4" DOUBLETRAP
VARIES
I VARIES
8
PANEL
1 8" THICK PANELS
6188
5
JOINT WRAP
150' PER ROLL
32
JOINT TAPE
14.5' PER ROLL
SHEET INDEX
PAGE
DESCRIPTION
0.0
COVER SHEET
1.0
DOUBLETRAP DESIGN CRITERIA
2.0
DOUBLETRAP SYSTEM LAYOUT
3.0
DOUBLETRAP INSTALLATION SPECIFICATIONS
3.1
DOUBLETRAP INSTALLATION SPECIFICATIONS
4.0
DOUBLETRAP BACKFILL SPECIFICATIONS
5.0
RECOMMENDED PIPE / ACCESS OPENING SPECIFICATIONS
6.0
DOUBLETRAP MODULE TYPES
7.0
OUTLET CONTROL STRUCTURE DETAIL
StormTrap®
PATENTS LISTED AT:[HTTP: STORMTRAP.COM PATE NT]
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
P:815-941-4549 / F:331-318-5347
ENGINEER INFORMATION:
ANDERSON ENGINEERING
2045 W WOODLAND ST
THESE DRAWINGS ARE FOR YOUR REFERENCE ONLY AND SHALL NOT BE USED FOR
STORMTRAP CONTACT INFORMATION
SPRINGFIELD, MO
417-866-2741
CONSTRUCTION PURPOSES. THE STORMTRAP DRAWINGS SHALL NOT BE ALTERED OR
STORM TRAP SUPPLIER:
STORMTRAP
PROJECT INFORMATION:
MANIPULATED IN WHOLE OR IN PART WITHOUT WRITTEN CONSENT OF STORMTRAP. USE OF
CONTACT NAME:
AARON LOWELL
THESE DRAWINGS IS STRICTLY GRANTED TO YOU, OUR CLIENT, FOR THE SPECIFIED AND NAMED
CELL PHONE:
404-788-1534
O'REILLY AUTO PARTS #4
PROJECT ONLY.
SALES EMAIL:
[e-mail]
SAND FILTER
LEXINGTON, NC
LOADING DISCLAIMER:
STORMTRAP IS NOT DESIGNED TO ACCEPT ANY ADDITIONAL LOADINGS
FROM NEARBY STRUCTURES NEXT TO OR OVER THE TOP OF STORMTRAP.
IF ADDITIONAL LOADING CONSIDERATIONS ARE REQUIRED FOR
STRUCTURAL DESIGN OF STORMTRAP, PLEASE CONTACT STORMTRAP
IMMEDIATELY.
`-'2'-104"
SEDIMENTATION CHAMBER
(710.40 SF) rSAND FILTER*
(692.40 SF)
26'-84„
III III III III
==IT=
OUTLET CONTROL STRUCTURE
(SEE SHEET 7.0)
LEAN -OUT
UNDERDRAIN
(BY OTHERS)
*SAND FILTER MUST BE MAINTAINED TO HAVE
A DRAWDOWN OF AT LEAST 2 IN/HOUR AT
THE SAND SURFACE [15A NCAC 02H.1056(8)]
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV. DATE: ISSUED FOR: BWN
0
12/9/2019
PRELIMINARY
JW
3
6/26/2019
PRELIMINARY
JW
2
4/18/2019
PRELIMINARY
JW
1
3/20/2019
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
COVER SHEET
SHEET NUMBER:
000
SPECIAL NOTE:
ENTIRE SHEET HAS CHANGED DUE TO COMMENTS FROM NCDEQ
STRUCTURAL DESIGN LOADING CRITERIA
LIVE LOADING:
AASHTO HS-20 HIGHWAY LOADING
GROUND WATER TABLE:
BELOW INVERT OF SYSTEM
SOIL BEARING PRESSURE:
3000 PSF
SOIL DENSITY:
120 PCF
EQUIVALENT UNSATURATED
LATERAL ACTIVE EARTH PRESSURE:
35 PSF / FT.
EQUIVALENT SATURATED
LATERAL ACTIVE EARTH PRESSURE:
80 PSF/FT. (IF WATER TABLE PRESENT)
APPLICABLE CODES:
ASTM C857
ACI-318
BACKFILL TYPE:
SEE SHEET 4.0 FOR BACKFILL OPTIONS
DESIGN CRITERIA
ALLOWABLE MAX GRADE = 867.25
ALLOWABLE MIN GRADE = 864.25
StormTrap®
INSIDE HEIGHT ELEVATION = 862.53
SYSTEM INVERT = 854.20
PATENTS LISTED AT: [MITP://STORMTRAP.COM/PATENT]
NOTES:
1. DIMENSIONING OF STORMTRAP SYSTEM SHOWN BELOW ALLOW FOR A 3/4" GAP
1287 WINDHAM PARKWAY
BETWEEN EACH MODULE.
ROMEOVILLE, IL 60446
P:815-941-4549 / F:331-318-5347
2. ALL DIMENSIONS TO BE VERIFIED IN THE FIELD BY OTHERS.
ENGINEER INFORMATION:
3. SEE SHEET 3.0 FOR INSTALLATION SPECIFICATIONS.
ANDERSON ENGINEERING
4. SP - INDICATES A MODULE WITH MODIFICATIONS.
2045 W WOODLAND ST
S. P - INDICATES A MODULE WITH A PANEL ATTACHMENT.
6. CONTRACTORS RESPONSIBILITY TO ENSURE CONSISTENCY/ACCURACY TO FINAL
SPRINGFIELD, MO
ENGINEER OF RECORD PLAN SET.
417-866-2741
7. IF A WATERTIGHT SOLUTION IS REQUIRED FOR THIS OUTLET CONTROL
STRUCTURE, STORMTRAP RECOMMENDS THE USE OF XYPEX OR SIKAFLEX
PROJECT INFORMATION:
MATERIALS (OR APPROVED EQUIVALENT). WATERPROOFING MATERIALS TO BE
SUPPLIED AND INSTALLED BY THE INSTALLING CONTRACTOR. CONTACT
O'REILLY AUTO PARTS #4
STORMTRAP FOR A LIST OF APPROVED APPLICATORS.
SAND FILTER
LEXINGTON, NC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
x/A
1
PRELIMINARY
Q=CdA �2gh
Q=0.6*.087*�2*32.2*5
Q=0.94 CFS
TIME TO DRAIN
22,576 SECONDS
6.27 H RS.
APPROXIMATELY
70LF OF 4" DIAM
PERFORATED
UNDERDRAIN PIPE
REV.
DATE:
ISSUED FOR:
BWN
12/9/2019
PRELIMINARY
JW
3
6/26/2019
PRELIMINARY
JW
2
4/18/2019
PRELIMINARY
JW
1
3/20/2019
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
DOUBLETRAP
SYSTEM LAYOUT
SHEET NUMBER:
2mO
SEE SHEET 4.0 FOR
BACKFILL SPECIFICATIONS
STORMTRAP SYSTEM INFORMATION
SEDIMENT AREA PROV:
710.40 SQUARE FEET
SAND FILTER AREA PROV:
692.40 SQUARE FEET
SAND FILTER STORAGE
2,122.92 CUBIC FEET
(BETWEEN EL 856.20-859.20):
SEDIMENT STORAGE
2,181.36 CUBIC FEET
(BETWEEN EL 856.20-859.20):
UNIT HEADROOM:
8' - 4" DOUBLETRAP
UNIT QUANTITY:
32 TOTAL UNITS
1.22'- - - - -- -- -----
SITE SPECIFIC DESIGN CRITERIA
1. STORMTRAP UNITS SHALL BE MANUFACTURED AND INSTALLED ACCORDING TO SHOP DRAWINGS APPROVED BY THE
INSTALLING CONTRACTOR AND ENGINEER OF RECORD. THE SHOP DRAWINGS SHALL INDICATE SIZE AND LOCATION OF
ROOF OPENINGS AND INLET OUTLET PIPE TYPES SIZES INVERT ELEVATIONS AND SIZE OF OPENINGS.
2. COVER RANGE: MIN. 1.22' MAX. 4.22' CONSULT STORMTRAP FOR ADDITIONAL COVER OPTIONS.
3. ALL DIMENSIONS AND SOIL CONDITIONS, INCLUDING BUT NOT LIMITED TO GROUNDWATER AND SOIL BEARING CAPACITY
ARE REQUIRED TO BE VERIFIED IN THE FIELD BY OTHERS PRIOR TO STORMTRAP INSTALLATION.
4. FOR STRUCTURAL CALCULATIONS THE GROUND WATER TABLE IS ASSUMED TO BE BELOW INVERT OF SYSTEM .
IF WATER TABLE IS DIFFERENT THAN ASSUMED, CONTACT STORMTRAP.
----------- ----- - 4.22'
- -_-------_ - 6.
MIN. 3000 PSF BEARING CAPACITY, UNDERDRAIN (BY OTHERS)
TO BE VERIFIED IN FIELD BY OTHERS 81 - 4" DOUBLETRAP SEE SHEET 2.0
STORMTRAP INSTALLATION SPECIFICATIONS
1. STORMTRAP SHALL BE INSTALLED IN ACCORDANCE WITH ASTM C891, STANDARD FOR INSTALLATION OF UNDERGROUND
PRECAST CONCRETE UTILITY STRUCTURES, THE FOLLOWING ADDITIONS AND/OR EXCEPTIONS SHALL APPLY:
2. IT IS THE RESPONSIBILITY OF THE INSTALLING CONTRACTOR TO ENSURE THAT PROPER/ADEQUATE EQUIPMENT IS USED TO
SET/INSTALL THE MODULES.
3. STORMTRAP MODULES CAN BE PLACED ON A LEVEL, 6" FOUNDATION OF y" AGGREGATE EXTENDING T-0" PAST THE OUTSIDE OF
THE SYSTEM (SEE DETAIL 1) AND SHALL BE PLACED ON PROPERLY COMPACTED SOILS (SEE SHEET 1.0 FOR SOIL BEARING
CAPACITY REQUIREMENTS), AND IN ACCORDANCE WITH ASTM C891 STANDARD PRACTICE FOR INSTALLATION OF
UNDERGROUND PRECAST UTILITY STRUCTURES.
4. THE STORMTRAP MODULES SHALL BE PLACED SUCH THAT THE MAXIMUM SPACE BETWEEN ADJACENT MODULES DOES NOT
EXCEED Jq" (SEE DETAIL 2). IF THE SPACE EXCEEDS Jq", THE MODULES SHALL BE RESET WITH APPROPRIATE ADJUSTMENT MADE
TO LINE AND GRADE TO BRING THE SPACE INTO SPECIFICATION.
5. STORMTRAP MODULES ARE NOT WATERTIGHT. IF A WATERTIGHT SOLUTION IS REQUIRED, CONTACT STORMTRAP FOR
RECOMMENDATIONS. THE WATERTIGHT APPLICATION IS TO BE PROVIDED AND IMPLEMENTED BY THE CONTRACTOR. THE
CONTRACTOR IS RESPONSIBLE TO ENSURE THAT THE SELECTED WATERTIGHT SOLUTION PERFORMS AS SPECIFIED BY THE
MANUFACTURER.
6. THE PERIMETER HORIZONTAL JOINT BETWEEN THE TOP AND BASE LEG CONNECTION OF THE STORMTRAP MODULES SHALL BE
SEALED WITH PREFORMED MASTIC JOINT TAPE ACCORDING TO ASTM C891, 8.8 AND 8.12. (SEE DETAIL 3). THE MASTIC JOINT
TAPE DOES NOT PROVIDE A WATERTIGHT SEAL. THE SOLE PURPOSE OF THE JOINT TAPE IS TO PROVIDE A SILT AND SOIL TIGHT
SYSTEM.
7. ALL EXTERIOR JOINTS BETWEEN ADJACENT STORMTRAP MODULES SHALL BE SEALED WITH 8" WIDE PRE -FORMED,
COLD -APPLIED, SELF -ADHERING ELASTOMERIC RESIN, BONDED TO A WOVEN , HIGHLY PUNCTURE RESISTANT POLYMER WRAP,
CONFORMING TO ASTM C891 AND SHALL BE INTEGRATED WITH PRIMER SEALANT AS APPROVED BY STORMTRAP (SEE DETAILS 3
& 4). THE JOINT WRAP DOES NOT PROVIDE A WATERTIGHT SEAL. THE SOLE PURPOSE OF THE JOINT WRAP IS TO PROVIDE A
SILT AND SOIL TIGHT SYSTEM. THE ADHESIVE EXTERIOR JOINT WRAP SHALL BE INSTALLED ACCORDING TO THE FOLLOWING
INSTALLATION INSTRUCTIONS:
7.1. USE A BRUSH OR WET CLOTH TO THOROUGHLY CLEAN THE OUTSIDE SURFACE AT THE POINT WHERE JOINT WRAP IS TO
BE APPLIED.
7.2. A RELEASE PAPER PROTECTS THE ADHESIVE SIDE OF THE JOINT WRAP. PLACE THE ADHESIVE TAPE (ADHESIVE SIDE
DOWN) AROUND THE STRUCTURE, REMOVING THE RELEASE PAPER AS YOU GO. PRESS THE JOINT WRAP FIRMLY AGAINST
THE STORMTRAP MODULE SURFACE WHEN APPLYING.
8. IF THE CONTRACTOR NEEDS TO CANCEL ANY SHIPMENTS, THEY MUST DO SO 48 HOURS PRIOR TO THEIR SCHEDULED ARRIVAL
AT THE JOB SITE. IF CANCELED AFTER THAT TIME, PLEASE CONTACT THE PROJECT MANAGER.
9. IF THE STORMTRAP MODULE(S) IS DAMAGED IN ANY WAY PRIOR, DURING, OR AFTER INSTALL, STORMTRAP MUST BE
CONTACTED IMMEDIATELY TO ASSESS THE DAMAGE AND TO DETERMINE WHETHER OR NOT THE MODULE(S) WILL NEED TO BE
REPLACED. IF ANY MODULE ARRIVES AT THE JOBSITE DAMAGED DO NOT UNLOAD IT; CONTACT STORMTRAP IMMEDIATELY. ANY
DAMAGE NOT REPORTED BEFORE THE TRUCK IS UNLOADED WILL BE THE CONTRACTOR'S RESPONSIBILITY.
10. STORMTRAP MODULES CANNOT BE ALTERED IN ANY WAY AFTER MANUFACTURING WITHOUT WRITTEN CONSENT FROM
STORMTRAP.
8" WIDE JOINT WRAP
(SEE NOTE 7)
8" WIDE JOINT Buono
(SEE N(
TOP OF STORMTRAP
ALLOWABLE MAX GRADE = 867.25
ALLOWABLE MIN GRADE = 864.25
= 862.53
4' 2"
8'- 4" DOUBLETRAP
4'-2"
TOP OF MEDIA = 856.20
MEDIA & UNDERDRAIN DESIGN
PER ENGINEER OF RECORD
SYSTEM INVERT = 854.20
6"
- 6" STONE BASE
(SEE SHEET 4.0)
DETAIL 2
MOANDERSON
ENGINEERING
YEE OWNED
ENGINEERS • SURVEYORS • ABORATORIES • DRILLING
3213 S. WEST BYPASS SPRINGFIELD, SSOURI 6580[� PHONE [phone]
MO ANDERSON COA# F-0972 RON HARGRAVE PE#049021
www.andersone ineeringinc.com
0289
DETAIL 3
DETAIL 1
StormTrap®
PATENTS LISTED AT:[HTTP://STORMTRAP.COM/PATENT]
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
P:815-941-4549/ F:331-318-5347
ENGINEER INFORMATION:
ANDERSON ENGINEERING
2045 W WOODLAND ST
SPRINGFIELD, MO
417-866-2741
PROJECT INFORMATION:
O'REILLY AUTO PARTS #4
SAND FILTER
LEXINGTON, NC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV.
DATE:
ISSUED FOR:
BWN
4Q
12/9/2019
PRELIMINARY
JW
3
6/26/2019
PRELIMINARY
JW
2
4/18/2019
PRELIMINARY
JW
1
3/20/2019
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
DOUBLETRAP
DESIGN
CRITERIA
SHEET NUMBER:
0]
6" STONE BASE
(SEE NOTE 3)
OVERHANG
E NOTE 3)
StormTrap®
PATENTS LISTED AT: [HTTP:HSTORMTRAP.COM/PATENT]
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
P:815-941-4549 / F:331-318-5347
ENGINEER INFORMATION:
ANDERSON ENGINEERING
2045 W WOODLAND ST
SPRINGFIELD, MO
417-866-2741
PROJECT INFORMATION:
O'REILLY AUTO PARTS #4
SAND FILTER
LEXINGTON, NC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV.
DATE:
ISSUED FOR:
DBYN
4
12/9/2019
PRELIMINARY
JW
3
6/26/2019
PRELIMINARY
JW
2
4/18/2019
PRELIMINARY
JW
1
3/20/2019
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
DOUBLETRAP
INSTALLATION
SPECIFICATIONS
SHEET NUMBER:
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DATE: 07-26-19
REVISION
DATE: 01-08-2020
C1.7

END PANEL ERECTION/INSTALLATION NOTES o
-- -., -..-' ^- -^..,' CONNECTION
(SEE ODETAIL 6)
-^ -. ^'- ^ ^- -` tormTra
STORMTRAP AND INSTALLED eY
•
2. PANELS SHALL BE INSTALLED IN A TILT UP FASHION DIRECTLY ADJACENT TO OPEN
END OF MODULE (REFER TO SHEET 2.0 FOR END PANEL LOCATIONS). i
3. CONNECTION HOOKS WILL BE SUPPLIED WITH END PANELS TO SECURELY
L
CONNECT PANEL TO ADJACENT STORMTRAP MODULE (SEE PANEL CONNECTION
ELEVATION VIEW).
1" 0 PRECAST OPENING FOR
4. ONCE CONNECTION HOOK IS ATTACHED, ESPYING CLUTCHES MAY BE REMOVED. HOOK CONNECTION, CONTRACTOR
TO SEAL FOR INSTALLATION
5. JOINT WRAP SHALL BE PLACED AROUND PERIMETER JOINT PANEL (SEE SHEET 3.0).
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
P:815-941-4549 / F:331-318-5347
ZONE CHART
FILL DEPTH TRACK WIDTH MAX VEHICLE MAX GROUND STORMTRAP ZONE INSTALLATION SPECIFICATIONS/PROCEDURES Storm i rap
WEIGHT (KIPS) PRESSURE
12" 51.8 1690 p5f
18" 56.1 1219 p5f 1. THE FILL PLACED AROUND THE STORMTRAP MODULES MUST DEPOSITED ON BOTH SIDES AT THE SAME TIME AND TO Nrs usrEoaT: Prtrr:,,soPMmpr.cOWraml9
12" 24" 68.1 1111 p5f APPROXIMATELY THE SAME ELEVATION. AT NO TIME SHALL THE FILL BEHIND ONE SIDE WALL BE MORE THAN 2'-0"
HIGHER THAN THE FILL ON THE OPPOSITE SIDE. BACKFILL SHALL EITHER BE COMPACTED AND/OR VIBRATED TO 1287 WINDHAM PARKWAY
30" 76.7 1000 p5f ROMEOVILLE, IL 60446
ENSURE THAT BACKFILL AGGREGATE/STONE MATERIAL IS WELL SEATED AND PROPERLY INTER LOCKED. CARE SHALL BE
36" 85.0 924 p5f P:815-941-4549 / F: 331-318-5347
TAKEN TO PREVENT ANY WEDGING ACTION AGAINST THE STRUCTURE, AND ALL SLOPES WITHIN THE AREA TO BE
NOTE: BACKFILLED MUST BE STEPPED OR SERRATED TO PREVENT WEDGING ACTION. CARE SHALL ALSO BE TAKEN AS NOT TO
TRACK LENGTH NOT TO EXCEED 15'-4". DISRUPT THE JOINT WRAP FROM THE JOINT DURING THE BACKFILL PROCESS. BACKFILL MUST BE FREE -DRAINING ENGINEER INFORMATION:
ONLY TWO TRACKS PER VEHICLE. MATERIAL. SEE ZONE 2 BACKFILL CHART ON THIS PAGE FOR APPROVED BACKFILL OPTIONS. IF NATIVE EARTH IS
SUSCEPTIBLE TO MIGRATION, CONFIRM WITH GEOTECHNICAL ENGINEER AND PROVIDE PROTECTION AS REQUIRED ANDERSON ENGINEERING
ZONES
ZONE DESCRIPTIONS
REMARKS
ZONE 1
FOUNDATION AGGREGATE
#5 (I") STONE AGGREGATE
(SEE NOTE 4 FOR DESCRIPTION)
ENGINEER INFORMATION:
ZONE 2
BACKFILL
UNIFIED SOILS CVSSIFICATION
(GW, GP, SW, SP) - SEE BELOW FOR
APPROVED BACKFlLL OPTIONS
ANDERSON ENGINEERING
2O4S W WOODLAND ST
ZONE 3
FINAL COVER OVERTOP
MATERIALS NOT TO EXCEED
120 PCF
SPRINGFIELD, MO LrH"­ T """"'I' 2045 W WOODLAND ST
417-866-2741
PROJECT INFORMATION:
O'REILLY AUTO PARTS #4
SIDE OF STORMTRAP MODULE STEP 1
SAND FILTER
LEXINGTON, NC
CURRENT ISSUE DATE:
SIDE OF END PANEL •
• 12/9/2019
60°
MIN
ISSUED FOR:
PRELIMINARY
APPROVED ZONE 2 BACKFILL OPTIONS
OPTION
REMARKS
THE STONE AGGREGATE SHALL CONSIST OF WASHED, CLEAN AND FREE DRAINING ANGULAR
I' STONE
MATERIAL. THE SIZE OF THIS MATERIAL SHALL HAVE 100% PASSING THE 1" SIEVE WITH 0%TO
AGGREGATE
5% PASSING THE #8 SIEVE. THIS MATERIAL SHALL BE SEPARATED FROM NATIVE MATERIAL
USING GEOFABRIC AROUND THE PERIMETER OF THE BACKFlLL (ASTM SIZE #57) AS DETERMINED
BY THE GEOTECHNICAL ENGINEER.
IMPORTED PURE SAND IS PERMITTED TO BE USED AS BACKFILL IF IT IS CLEAN AND FREE
SAND
DRAINING. THE SAND USED FOR BACKFILLING SHALL HAVE LESS THAN 40% PASSING #40 SIEVE
AND LESS THAN 5% PASSING #200 SIEVE. THIS MATERIAL SHALL BE SEPARATED FROM NATIVE
MATERIAL USING GEOFABRIC AROUND THE PERIMETER OF THE SAND BACKFILL.
CRUSHED
CLEAN, FREE DRAINING CRUSHED CONCRETE AGGREGATE MATERIAL CAN BE USED AS BACKFILL FOR
CONCRETE
STORMTMP'S MODULES. THE SIZE OF THIS MATERIAL SHALL HAVE 100% PASSING THE 1" SIEVE WITH
AGGREGATE
0%TO 5% PASSING THE #8 SIEVE. THIS MATERIAL SHALL BE SEPARATED FROM NAME MATERIAL
USING GEOFABRIC AROUND THE PERIMETER OF THE BACKFlLL.
STONE AGGREGATE 100% PASSING THE 1-1/2" SIEVE WITH LESS THAN 12% PASSING THE #200
ROAD PACK
SIEVE (ASTM SIZE #467). GEOFABRIC AS PER GEOTECHNICAL ENGINEER RECOMMENDATION.
2. DURING PLACEMENT OF MATERIAL OVERTOP THE SYSTEM, AT NO TIME SHALL MACHINERY BE USED OVERTOP THAT
EXCEEDS THE DESIGN LIMITATIONS OF THE SYSTEM. WHEN PLACEMENT OF MATERIAL OVERTOP, MATERIAL SHALL BE SPRINGFIELD, MO
PLACED SUCH THAT THE DIRECTION OF PLACEMENT IS PARALLEL WITH THE OVERALL LONGITUDINAL DIRECTION OF
THE SYSTEM WHENEVER POSSIBLE. 417-866-2741
3. THE FILL PLACED OVERTOP THE SYSTEM SHALL BE PLACED AT A MINIMUM OF 6" LIFTS. AT NO TIME SHALL MACHINERY PROJECT INFORMATION:
OR VEHICLES GREATER THAN THE DESIGN HS-20 LOADING CRITERIA TRAVEL OVERTOP THE SYSTEM WITHOUT THE O'REILLY AUTO PARTS #4
MINIMUM DESIGN COVERAGE. IF TRAVEL IS NECESSARY OVERTOP THE SYSTEM PRIOR TO ACHIEVING THE MINIMUM
DESIGN COVER, IT MAY BE NECESSARY TO REDUCE THE ULTIMATE LOAD/BURDEN OF THE OPERATING MACHINERY SO
AS TO NOT EXCEED THE DESIGN CAPACITY OF THE SYSTEM. IN SOME CASES, IN ORDER TO ACHIEVE REQUIRED SAND FILTER
COMPACTION, HAND COMPACTION MAY BE NECESSARY IN ORDER NOT TO EXCEED THE ALLOTTED DESIGN LOADING.
SEE CHART FOR TRACKED VEHICLE WIDTH AND ALLOWABLE MAXIMUM PRESSURE PER TRACK.
4. STONE AGGREGATE FOUNDATION IN ZONE 1 MAY BE REQUIRED FOR THE FOLLOWING: LEXINGTON, NC
A.) INFILTRATION - IF INFILTRATION IS REQUIRED, A FREE DRAINING MATERIAL SHALL BE USED AT A DEPTH CURRENT ISSUE DATE:
DETERMINED BY THE EOR. FREE DRAINING AGGREGATE IS DEFINED AS 80% AGGREGATE RETAINED ON %" SIEVE,
MAJORITY OF AGGREGATE SIZE BETWEEN %" AND 1", AND ONLY 5% OF MATERIAL PASSING #3/8" SIEVE. 12/9/2019
B.) LEVELING - STORMTRAP RECOMMENDS STONE SUBBASE FOR LEVELING PURPOSES ONLY (OPTIONAL). ISSUED FOR:
\ I PRELIMINARY
60°
MIN
TOP MODULE LIFTING DETAIL STEP 2
DETAIL 6
PANEL CONNECTION
ELEVATION VIEW
REV.
DATE:
ISSUED FOR:
BWN
4Q
12/9/2019
PRELIMINARY
JW
i
3
6/26/2019
PRELIMINARY
2
4/18/2019
PRELIMINARY
J
1
3/20/2019
PRELIMINARY
ZONE 2 BACKFILL OPTIONS.
aa
EV
DATE:
ISSUED FOR:
BWN
44
12/9/2019
PRELIMINARY
1W
3
6/26/2019
PRELIMINARY
JW
2
4/18/2019
PRELIMINARY
JW
1
3/20/2019
PRELIMINARY
RL
END PANEL LIFTING DETAIL J�LCNTS I !11ff
ZONE ZONE I Ii i iI
SCALE:
SHEET TITLE: _ Nn
1511 I_I I I III I I SHEET TITLE:
I DOUBLETRAP I II-I I I -I
INSTALLATION I ---DOUBLETRAP
SPECIFICATIONSBACKFILL
III -I Ed I I SPECIFICATIONS
SHEET NUMBER:I I -ZONE 1 SHEET NUMBER:
_
BASE MODULE LIFTING DETAIL STEPPED OR SERRATED AND
3 1 APPLICABLE OSHA REQUIREMENTS (SEE INSTALLATION SPECIFICATIONS) BACKFILL DETAIL 4mo�]_
RECOMMENDED PRECAST CONCRETE ADJUSTING RINGS, •
StormTrap•
ACCESS OPENING SPECIFICATION BARREL C CONE SECTIONS AS NEEDED FRAME&COVER AS torm p N -ED
SEE RECOMMENDED ACCESS OPENING SPECIFIED BY ENGINEER
SPECIFICATION NOTE 6. (SUPPLIED BY OTHERS) rvrs usreo AT: Rrrv:/ sTovmrRAv.coM,vAreNr
(SUPPLIED BY OTHERS) AT: [Krm://sroRHrPAv.coM/vArExri
1287 WINDHAM PARKWAY
1. A TYPICAL ACCESS OPENING FOR THE STORMTRAPET SYSTEM ARE 2'-0" IN DIAMETER. ! 1287 WINDHAM PARKWAY ROMEOVILLE, EEE, IL 60446
ACCESS OPENINGS LARGER THAN RETAIN
IN DIAMETER NEED F BE APPROVED BY NON -SHRINK GROUT P:815-941-4549 / F:331-318-5347
STORMTRAP. ALL OPENINGS MUST RETAIN AT LEAST 1'-0" OF CLEARANCE FROM THE WALL OF STORMTRAP ROMEOVILLE, IL 60446
END OF THE STORMTRAP MODULE UNLESS NOTED OTHERWISE. ALL ACCESS OPENINGS P:815-941-4549 / F:331-318-5347
TO BE LOCATED ON INSIDE LEG UNLESS OTHERWISE SPECIFIED. ENGINEER INFORMATION'
ENGINEER INFORMATION:
2. PLASTIC COATED STEEL STEPS PRODUCED BY M.A. INDUSTRIES PART #PS3-PFC OR ANDERSON ENGINEERING
APPROVED EQUAL (SEE STEP DETAIL) ARE PROVIDED INSIDE ANY MODULE WHERE 1'-0" x 1'-0" CONCRETE COLLAR
1' ANDERSON ENGINEERING
2045 W WOODLAND ST
DEEMED NECESSARY. THE HIGHEST STEP IN THE MODULE IS TO BE PLACED A
DISTANCE OF 1'-0" FROM THE INSIDE EDGE OF THE STORMTRAP MODULES. ALL INLET/OUTLET PIPE 2045 W WOODLAND ST
ENSUING STEPS SHALL BE PLACED AT A DISTANCE BETWEEN 10" MIN AND 14" MAX 1
BETWEEN THEM. STEPS MAYBE MOVED OR ALTERED TO AVOID OPENINGS OR OTHER SPRINGFIELD, MO
AGGREGATE CRADLE SPRINGFIELD, MO
IRREGULARITIES IN THE MODULE. 1' 417-866-2741
3. STORMTRAP LIFTING INSERTS MAY BE RELOCATED TO AVOID INTERFERENCE WITH 417-866-2741 PROJECT INFORMATION:
ACCESS OPENINGS OR THE CENTER OF GRAVITY OF THE MODULE AS NEEDED. 1 PROJECT INFORMATION;
O'REILLY AUTO PARTS #4
4. STORMTRAP ACCESS OPENINGS MAY BE RELOCATED TO AVOID INTERFERENCE WITH HIGH STRENGTH, 1 O'REILLY AUTO PARTS #4
INLET AND/OR OUTLET PIPE OPENINGS SO PLACEMENT OF STEPS IS ATTAINABLE. NON -SHRINK GROUT
SAND FILTER
5. ACCESS OPENINGS SHOULD BE LOCATED IN ORDER TO MEET THE APPROPRIATE SAND FILTER
MUNICIPAL REQUIREMENTS. STORMTRAP RECOMMENDS AT LEAST TWO ACCESS ji
OPENINGS PER SYSTEM FOR ACCESS AND INSPECTION. LEXINGTON, NC
6. USE PRECAST ADJUSTING RINGS AS NEEDED TO MEET GRADE. STORMTRAP HIGH STRENGTH, LEXINGTON, NC
NON -SHRINK GROUT CURRENT ISSUE DATE:
RECOMMENDS FOR COVER OVER TTO USE PRECAST BARREL OR CONE INSPECTIONS. RISER/ STAIR DETAIL CURRENT ISSUE DATE:
(PROVIDED BY OTHERS)o
12/9/2019 12/9/2019
RECOMMENDED ISSUED FOR:
ISSUED FOR:
PIPE OPENING SPECIFICATION
PRELIMINARY
1. MINIMUM EDGE DISTANCE FOR AN OPENING ON THE OUTSIDE WALL SHALL BE NO LESS
PRELIMINARY
THAN 1'-0".
2. MAXIMUM OPENING SIZE TO BE DETERMINED BY THE MODULE HEIGHT. PREFERRED
OPENING SIZE 0 36" OR LESS. ANY OPENING NEEDED THAT DOES NOT FIT THIS
CRITERIA SHALL BE BROUGHT TO THE ATTENTION OF STORMTRAP FOR REVIEW.
WALL OF STORMTRAP
3. CONNECTING PIPES SHALL BE INSTALLED WITH A 1`0" CONCRETE COLLAR, AND AN
AGGREGATE CRADLE FOR AT LEAST ONE PIPE LENGTH (SEE PIPE CONNECTION DETAIL).
A STRUCTURAL GRADE CONCRETE OR HIGH STRENGTH, NON -SHRINK GROUT WITH A
MINIMUM 28 DAY COMPRESSIVE STRENGTH OF 3000 PSI SHALL BE USED.
4. THE ANNULAR SPACE BETWEEN THE PIPE AND THE HOLE SHALL BE FILLED WITH HIGH
1'-0" x 1'-0" CONCRETE COLLAR
STRENGTH NON -SHRINK GROUT.
�1'-4"� MEETS:
OPSS 1351.08.02
HIGH STRENGTH,
INLET/OUTLET PIPE
NON -SHRINK GROUT
1 BNQ
ASTM C-478..95
RECOMMENDED PIPE
�:,. AGGREGATE CRADLE ASTM D4-101.95b
INSTALLATION INSTRUCTIONS
:i..
AASHTO M-199
REV.
DATE:
ISSUED FOR:
BWN
44
12/9/2019
PRELIMINARY
JW
3
6/26/2019
PRELIMINARY
JW
2
4/18/20IS
PRELIMINARY�RL
1
3/20/2019
PRELIMINARY
Keay/
TYPE III TYPE II
END PANEL
REV.
DATE:
ISSUED FOR:
BWN
4Q
12/9/2019
PRELIMINARY
JW
3
6/26/2019
PRELIMINARY
JW
2
4/18/2019
PRELIMINARY
JW
1
3/20/2019
PRELIMINARY
RL
1. CLEAN AND LIGHTLY LUBRICATE ALL OF THE PIPE TO BE INSERTED INTO STORMTRAP. ASTM 4A-15 SCALE: SCALE:
IF A PIPE IS PROPOSED NTS
2. IF PIPE IS CUT, CARE SHOULD BE TAKEN TO ALLOW NO SHARP EDGES, BEVEL AND AT THE SYSTEM INVERT, NTS
LUBRICATE LEAD END OF PIPE. NOTCH PIPE TO ALLOW 1'-5 }" 30 }"
PIPE INVERT ToSYSTEM NVERT ` - SHEET TITLE: MEET SHEET TITLE:
3. ALIGN CENTER OF PIPE TO CORRECT ELEVATION AND INSERT INTO OPENING.
RECOMMENDED
NOTE: ALL ANCILLARY PRODUCTS/SPECIFICATIONS RECOMMENDED AND SHOWN ONTHIS - - - PIPE/ACCESS DOUBLETRAP
SHEET ARE RECOMMENDATIONS ONLY AND SUBJECT TO CHANGE PER THE INSTALLING - - - OPENING MODULE TYPES
CONTRACTOR AND/OR PER LOCAL MUNICIPAL CODE/REQUIREMENTS. STEP DETAIL SPECIFICATIONS
SHEET NUMBER: SHEET NUMBER:
PIPE CONNECTION DETAIL NOTES:
0 1. OPENING LOCATIONS AND SHAPES MAY VARY. O
2. SP - INDICATES A MODULE WITH MODIFICATIONS. ■
3. P - INDICATES A MODULE WITH A PANEL ATTACHMENT.
4. POCKET WINDOW OPENINGS ARE OPTIONAL.
IF A WATERTIGHT SOLUTION IS REQUIRED FOR THIS OUTLET CONTROL STRUCTURE, STORMTRAP
RECOMMENDS THE USE OF XYPEX OR SIKAFLEX MATERIALS (OR APPROVED EQUIVALENT).
WATERPROOFING MATERIALS TO BE SUPPLIED AND INSTALLED BY THE INSTALLING CONTRACTOR.
CONTACT STORMTRAP FOR A LIST OF APPROVED APPLICATORS.
24"0 ACCESS OPENING
WITH STEPS
?iIe\OaAIATiq
IEND PANEL
ISYMONS WALL
-----------------
u
-
-_
-�
10'-10"
OUTLET OPENING -
ELEVATION VIEW
ISOMETRIC VIEW
OVERFLOW WEI
ELEV=859.2
OPENING FOR UNDERD
SIDE VIEW
1'-92"
StormTrap®
PATENTS LISTED AT: [HTTP://STORMTRAP.COM/PATENT)
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
P:815-941-4549/ F:331-318-5347
ENGINEER INFORMATION:
ANDERSON ENGINEERING
2045 W WOODLAND ST
SPRINGFIELD, MO
417-866-2741
PROJECT INFORMATION:
O'REILLY AUTO PARTS #4
SAND FILTER
LEXINGTON, NC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV.
DATE:
ISSUED FOR:
BWN
Zq
12/9/2019
PRELIMINARY
JW
3
6/26/2019
PRELIMINARY
JW
2
4/18/2019
PRELIMINARY
JW
1
3/20/2019
1 PRELIMINARY
I RL
SCALE:
NTS
SHEET TITLE:
OUTLET CONTROL
STRUCTURE DETAIL
SHEET NUMBER:
7mO
SPECIAL NOTE:
ENTIRE SHEET HAS CHANGED DUE TO COMMENTS FROM NCDEQ
��MOANDERSON
ENGINEERING
YEE OWNED
ENGINEERS • SURVEYORS ABORATORIES DRILLING
3213 S. WEST BYPASS SPRINGFIELD, SSOURI 65800 PHONE [phone]
MO ANDERSON COA# F-0972 RON HARGRAVE PE#049021
www.andersone ineerinclinc.com
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COMM # 4177
DATE: 07-26-19
REVISION
DATE: 01-08-2020
C1.8

go
StormTrapQD
MODULAR CONCRETE
STORMWATER MANAGEMENT
O'REILLY AUTO PARTS
LEXINGTON NC
LOADING DISCLAIMER:
STORMTRAP IS NOT DESIGNED TO ACCEPT ANY ADDITIONAL LOADINGS
FROM NEARBY STRUCTURES NEXT TO OR OVER THE TOP OF STORMTRAP.
IF ADDITIONAL LOADING CONSIDERATIONS ARE REQUIRED FOR
STRUCTURAL DESIGN OF STORMTRAP, PLEASE CONTACT STORMTRAP
IMMEDIATELY.
10' -
30'-
(SEE SHEET 8.0)
THESE DRAWINGS ARE FOR YOUR REFERENCE ONLY AND SHALL NOT BE USED FOR
CONSTRUCTION PURPOSES. THE STORMTRAP DRAWINGS SHALL NOT BE ALTERED OR
MANIPULATED IN WHOLE OR IN PART WITHOUT WRITTEN CONSENT OF STORMTRAP. USE OF
THESE DRAWINGS IS STRICTLY GRANTED TO YOU, OUR CLIENT, FOR THE SPECIFIED AND NAMED
PROJECT ONLY.
t
fL.
SHEETINDEX
PAGE
DESCRIPTION
0.0
COVER SHEET
1.0
SINGLETRAP DESIGN CRITERIA
2.0
SINGLETRAP SYSTEM LAYOUT
3.0
SINGLETRAP INSTALLATION SPECIFICATIONS
3.1
SINGLETRAP INSTALLATION SPECIFICATIONS
4.0
SINGLETRAP BACKFILL SPECIFICATIONS
5.0
RECOMMENDED PIPE/ACCESS OPENING SPECIFICATIONS
6.0
SPLASH PAD & GEOWEB DETAILS
7.0
SINGLETRAP MODULE TYPES
8.0
OUTLET CONTROL STRUCTURE DETAIL
StormTrap®
PATENTS LISTED AT: HTTP: STORMTRAP.COM PATE
[ // / NT]
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
P:815-941-4549 / F:331-318-5347
ENGINEER INFORMATION:
ANDERSON ENGINEERING
2045 W WOODLAND ST
SPRINGFIELD, MO
STORMTRAP CONTACT INFORMATION
417-866-2741
PROJECT INFORMATION:
STORM TRAP SUPPLIER:
STORMTRAP
CONTACT NAME:
AARON LOWELL
CELL PHONE:
404-788-1534
O'REILLY AUTO PARTS #4
SALES EMAIL:
[e-mail]
DETENTION
LEXINGTON, NC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV.
DATE:
ISSUED FOR:
BWN
3Q
12/9/2019
PRELIMINARY
JW
2
6/26/2019
PRELIMINARY
JW
1
3/21/2019
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
COVERSHEET
SHEET NUMBER:
000
DESIGN CRITERIA
ALLOWABLE MAX GRADE = 86.5
StormTrap®
ALLOWABLE MIN GRADE = 863.00
INSIDE HEIGHT ELEVATION = 861.70
SYSTEM INVERT = 854.20
PATENTS LISTED AT: [HWP://STORMTRAP.COM/PATENT]
NOTES:
1287 WINDHAM PARKWAY
1. DIMENSIONING OF STORMTRAP SYSTEM SHOWN BELOW ALLOW FOR A 3/4" GAP
ROMEOVILLE, IL 60446
BETWEEN EACH MODULE.
P:815-941-4549 / F:331-318-5347
2. ALL DIMENSIONS TO BE VERIFIED IN THE FIELD BY OTHERS.
ENGINEER INFORMATION:
3. SEE SHEET 3.0 FOR INSTALLATION SPECIFICATIONS.
ANDERSON ENGINEERING
4. SP - INDICATES A MODULE WITH MODIFICATIONS.
2045 W WOODLAND ST
S. P - INDICATES A MODULE WITH A PANEL ATTACHMENT.
6. CONTRACTORS RESPONSIBILITY TO ENSURE CONSISTENCY/ACCURACY TO FINAL
SPRINGFIELD, MO
ENGINEER OF RECORD PLAN SET.
417-866-2741
7. IF A WATERTIGHT SOLUTION IS REQUIRED FOR THIS OUTLET CONTROL
PROJECT INFORMATION:
STRUCTURE, STORMTRAP RECOMMENDS THE USE OF XYPEX OR SIKAFLEX
MATERIALS (OR APPROVED EQUIVALENT). WATERPROOFING MATERIALS TO BE
O'REILLY AUTO PARTS #4
SUPPLIED AND INSTALLED BY THE INSTALLING CONTRACTOR. CONTACT
STORMTRAP FOR A LIST OF APPROVED APPLICATORS.
DETENTION
LEXINGTON, NC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV.
DATE:
ISSUED FOR:
BWN
3Q
12/9/2019
PRELIMINARY
JW
2
6/26/2019
PRELIMINARY
JW
1
3/21/2019
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
SINGLETRAP
LAYOUT DETAILS
SHEET NUMBER:
2mO]
STRUCTURAL DESIGN LOADING CRITERIA
LIVE LOADING:
AASHTO HS-20 HIGHWAY LOADING
GROUND WATER TABLE:
BELOW INVERT OF SYSTEM
SOIL BEARING PRESSURE:
4000 PSF
SOIL DENSITY:
120 PCF
EQUIVALENT UNSATURATED
LATERAL ACTIVE EARTH PRESSURE:
35 PSF / FT.
EQUIVALENT SATURATED
LATERAL ACTIVE EARTH PRESSURE:
80 PSF/FT. (IF WATER TABLE PRESENT)
APPLICABLE CODES:
ASTM C857
ACI-318
BACKFILL TYPE:
SEE SHEET 4.0 FOR BACKFILL OPTIONS
1.
2.
3.
3.1.
3.2.
3.3.
3.4.
3.5.
3.6.
3.7.
3.8.
4.
S.
6.
6.1.
6.2.
7.
8.
9.
SEE SI
BACKFILL SPE
STORMTRAP SYSTEM INFORMATION
WATER STORAGE PROV:
15 007.67 CUBIC FEET
UNIT HEADROOM:
7'-6" SINGLETRAP
UNIT QUANTITY:
21 TOTAL PIECES
TO BE VERIFIED IN FIELD BY OTHERS
STORMTRAP INSTALLATION SPECIFICATIONS
SPECIAL NOTE:
ENTIRE SHEET HAS CHANGED DUE TO COMMENTS FROM NCDEQ
SITE SPECIFIC DESIGN CRITERIA
1. STORMTRAP UNITS SHALL BE MANUFACTURED AND INSTALLED ACCORDING TO SHOP DRAWINGS APPROVED BY THE
INSTALLING CONTRACTOR AND ENGINEER OF RECORD. THE SHOP DRAWINGS SHALL INDICATE SIZE AND LOCATION OF
ROOF OPENINGS AND INLET/ OUTLET PIPE TYPES, SIZES, INVERT ELEVATIONS AND SIZE OF OPENINGS.
2. COVER RANGE: MIN. 0.70' MAX. 4.95' CONSULT STORMTRAP FOR ADDITIONAL COVER OPTIONS.
3. ALL DIMENSIONS AND SOIL CONDITIONS, INCLUDING BUT NOT LIMITED TO GROUNDWATER AND SOIL BEARING CAPACITY
ARE REQUIRED TO BE VERIFIED IN THE FIELD BY OTHERS PRIOR TO STORMTRAP INSTALLATION.
4. FOR STRUCTURAL CALCULATIONS THE GROUND WATER TABLE IS ASSUMED TO BE BELOW INVERT OF SYSTEM .
IF WATER TABLE IS DIFFERENT THAN ASSUMED, CONTACT STORMTRAP.
3" CRUSHED ANGULAR STONE
WITH NO FINES (SEE SHEET 4.0)
J" CRUSHED ANGULAR STONE
WI11H NO FINES (SEE SHEET 4.0)
71-61I SINGLETRAP
STORMTRAP SHALL BE INSTALLED IN ACCORDANCE WITH ASTM C891 STANDARD PRACTICE FOR INSTALLATION OF
UNDERGROUND PRE -CAST CONCRETE UTILITY STRUCTURES. THE FOLLOWING ADDITIONS AND/OR EXCEPTIONS SHALL APPLY:
IT IS THE RESPONSIBILITY OF THE INSTALLING CONTRACTOR TO ENSURE THAT PROPER/ADEQUATE EQUIPMENT IS USED TO
SET/INSTALL THE MODULES.
THE AGGREGATE FOUNDATION HAS BEEN DESIGNED BASED ON THE FOLLOWING ASSUMPTIONS. THESE ASSUMPTIONS WILL
NEED TO BE VERIFIED BY A GEOTECHNICAL ENGINEER WHICH WILL NEED TO BE EMPLOYED BY THE OWNER.
A QUALIFIED GEOTECHNICAL ENGINEER WILL BE EMPLOYED, BY OWNER, TO PROVIDE ASSISTANCE IN EVALUATING THE
EXISTING SOIL CONDITIONS BELOW THE PROPOSED ENGINEERED STONE FOUNDATION. IF A STONE FOUNDATION DESIGN
IS TO BE USED, THE BEARING PRESSURE OF THE SOILS BELOW THE STONE WILL NEED TO MEET OR EXCEED ALLOWABLE
CAPACITY. IF THIS IS NOT POSSIBLE, THE STONE FOUNDATION MAY NOT BE AN OPTION FOR THIS LOCATION.
A QUALIFIED GEOTECHNICAL ENGINEER WILL BE EMPLOYED, BY OWNER, TO EVALUATE A SOURCE OF STONE AGGREGATES
THAT WILL BE PLACED ON PROPERLY COMPACTED SOILS (SEE SHEET 1.0 FOR SOIL BEARING CAPACITY REQUIREMENTS).
THE AGGREGATE BASE COURSE FOR WHICH THE STORMTRAP SYSTEM WILL BEAR DIRECTLY ON SHALL CONSIST OF A 3"
THICK BED OF J" DIAMETER ANGULAR STONE, WELL COMPACTED AND SEATED, WITH NO FINES. AND A V-3" THICK BED OF
3" DIAMETER STONE AGGREGATE (SEE SHEET 4.0 FOR FURTHER DESCRIPTION/EXPLANATION). PLEASE NOTE THAT THESE
ARE ONLY MINIMUM RECOMMENDATIONS AND A QUALIFIED GEOTECHNICAL ENGINEER SHALL BE USED TO DETERMINE THE
EXACT REQUIREMENTS FOR THE LOCATIONS THAT THE STORMTRAP SYSTEM IS TO BE LOCATED.
THE CONTRACTOR SHALL REMOVE ANY AND ALL EXPANDABLE OR COLLAPSIBLE SOILS AT THE DIRECTION OF A QUALIFIED
GEOTECHNICAL ENGINEER.
THE AGGREGATE FOUNDATION SHALL BE INSTALLED SUCH THAT THE AGGREGATE EXTENDS A MINIMUM OF T-0" PAST THE
OUTSIDE OF THE SYSTEM (SEE DETAIL 1).
THE q" AGGREGATE SHALL BE COMPACTED USING A VIBRATING ROLLER WITH ITS' FULL DYNAMIC FORCE APPLIED TO
ACHIEVE A FLAT SURFACE.
DISK, DRY AND COMPACT THE TOP 8" OF THE SUBGRADE SOILS TO 95% OF THE STANDARD DRY DENSITY AND 110%
OPTIMUM MOISTURE CONTENT.
AGGREGATE SHALL BE GRADED WITHIN +/- q" OF THE GRADE SHOWN ON THE PLANS.
MINIMUM SOIL BEARING CAPACITY LISTED ON SHEET 1.0 SHALL BE VERIFIED IN FIELD BY OTHERS.
THE STORMTRAP MODULES SHALL BE PLACED SUCH THAT THE MAXIMUM SPACE BETWEEN ADJACENT MODULES DOES NOT
EXCEED Jq" (SEE DETAIL 2). IF THE SPACE EXCEEDS a", THE MODULES SHALL BE RESET WITH APPROPRIATE ADJUSTMENT MADE
TO LINE AND GRADE TO BRING THE SPACE INTO SPECIFICATION.
STORMTRAP MODULES ARE NOT WATERTIGHT. IF A WATERTIGHT SOLUTION IS REQUIRED, CONTACT STORMTRAP FOR
RECOMMENDATIONS. THE WATERTIGHT APPLICATION IS TO BE PROVIDED AND IMPLEMENTED BY THE CONTRACTOR. THE
CONTRACTOR IS RESPONSIBLE TO ENSURE THAT THE SELECTED WATERTIGHT SOLUTION PERFORMS AS SPECIFIED BY THE
MANUFACTURER.
ALL EXTERIOR JOINTS BETWEEN ADJACENT STORMTRAP MODULES SHALL BE SEALED WITH 8" WIDE PRE -FORMED,
COLD -APPLIED, SELF -ADHERING ELASTOMERIC RESIN, BONDED TO A WOVEN , HIGHLY PUNCTURE RESISTANT POLYMER WRAP,
CONFORMING TO ASTM C891 AND SHALL BE INTEGRATED WITH PRIMER SEALANT AS APPROVED BY STORMTRAP (SEE DETAILS 3
& 4). THE JOINT WRAP DOES NOT PROVIDE A WATERTIGHT SEAL. THE SOLE PURPOSE OF THE JOINT WRAP IS TO PROVIDE A
SILT AND SOIL TIGHT SYSTEM. THE ADHESIVE EXTERIOR JOINT WRAP SHALL BE INSTALLED ACCORDING TO THE FOLLOWING
INSTALLATION INSTRUCTIONS:
USE A BRUSH OR WET CLOTH TO THOROUGHLY CLEAN THE OUTSIDE SURFACE AT THE POINT WHERE THE JOINT WRAP IS
TO BE APPLIED.
A RELEASE PAPER PROTECTS THE ADHESIVE SIDE OF THE JOINT WRAP. PLACE THE ADHESIVE TAPE (ADHESIVE SIDE
DOWN) AROUND THE STRUCTURE, REMOVING THE RELEASE PAPER AS YOU GO. PRESS THE JOINT WRAP FIRMLY AGAINST
THE STORMTRAP MODULE SURFACE WHEN APPLYING.
IF THE CONTRACTOR NEEDS TO CANCEL ANY SHIPMENTS, THEY MUST DO SO 48 HOURS PRIOR TO THEIR SCHEDULED ARRIVAL
AT THE JOB SITE. IF CANCELED AFTER THAT TIME, PLEASE CONTACT THE PROJECT MANAGER.
IF THE STORMTRAP MODULE(S) IS DAMAGED IN ANYWAY PRIOR, DURING, OR AFTER INSTALL, STORMTRAP, MUST BE
CONTACTED IMMEDIATELY TO ASSESS THE DAMAGE AND TO DETERMINE WHETHER OR NOT THE MODULE(S) WILL NEED TO BE
REPLACED. IF ANY MODULE ARRIVES AT THE JOBSITE DAMAGED DO NOT UNLOAD IT; CONTACT STORMTRAP, IMMEDIATELY.
ANY DAMAGE NOT REPORTED BEFORE THE TRUCK IS UNLOADED WILL BE THE CONTRACTOR'S RESPONSIBILITY.
STORMTRAP MODULES CANNOT BE ALTERED IN ANY WAY AFTER MANUFACTURING WITHOUT WRITTEN CONSENT FROM
STORMTRAP.
D vviu(SEE' NOTE
TOP OF STORMTRAP
8" WIDE JOINT WRAP
(SEE NOTE 6)
DETAIL 2
DETAIL 4
ALLOWABLE MAX GRADE=867.25
ALLOWABLE MIN GRADE = 863.00
4,95'
6
HWL = 861.70
T-6" SINGLETRAP
3" SYSTEM INVERT = 854.20
1'-3"
2'-0" MIN. EXTENSION
BEYOND PERIMETER OF
STORMTRAP MODULES
DETAIL 1
AGGREGATE BASE
(DEPTH VARIES)
=RHANG
]TE 31
MOANDERSON
ENGINEERING
ENGINEERS • SURVEYORS
3213 S. WEST BYPASS SPRINGFIELD, P
MO ANDERSON COA# F-0972 •
5tormTrap®
PATENTS LISTED AT: HTTP: STORNTPAP.COM PATENT
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
P:815-941-4549 / F:331-318-5347
ENGINEER INFORMATION:
ANDERSON ENGINEERING
2045 W WOODLAND ST
SPRINGFIELD, MO
417-866-2741
PROJECT INFORMATION:
O'REILLY AUTO PARTS #4
DETENTION
LEXINGTON, NC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV.
DATE:
ISSUED FOR:
BWN
3Q
12/9/2019
PRELIMINARY
JW
2
6/26/2019
PRELIMINARY
JW
1
3/21/2019
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
SINGLETRAP
DESIGN
CRITERIA
SHEET NUMBER:
1.0
StormTrap®
PATENTS LISTED AT: [HTTP://STORMTRAP.COM/PATENT]
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
P:815-941-4549 / F:331-318-5347
ENGINEER INFORMATION:
ANDERSON ENGINEERING
2045 W WOODLAND ST
SPRINGFIELD, MO
417-866-2741
PROJECT INFORMATION:
O'REILLY AUTO PARTS #4
DETENTION
LEXINGTON, NC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV.
DATE:
ISSUED FOR:
BWN
Al
12/9/2019
PRELIMINARY
JW
2
6/26/2019
PRELIMINARY
JW
1
3/21/2019
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
SINGLETRAP
INSTALLATION
SPECIFICATIONS
SHEET NUMBER:
3.0
YEE OWNED
ABORATORIES*
DRILLING
SSOURI 65800 PHONE [phone]
RON HARGRAVE PE#049021
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COMM # 4177
DATE: 07-26-19
REVISION
DATE: 01-08-2020
C1.9

END PANEL ERECTION/INSTALLATION NOTES
1. END PANELS WILL BE SUPPLIED TO CLOSE OFF OPEN ENDS OF ROWS.
2. PANELS SHALL BE INSTALLED IN A TILT UP FASHION DIRECTLY ADJACENT TO OPEN
END OF MODULE (REFER TO SHEET 2.0 FOR END PANEL LOCATIONS).
3. CONNECTION HOOKS WILL BE SUPPLIED WITH END PANELS TO SECURELY
CONNECT PANEL TO ADJACENT STORMTRAP MODULE (SEE PANEL CONNECTION
ELEVATION VIEW).
4. ONCE CONNECTION HOOK IS ATTACHED, LIFTING CLUTCHES MAY BE REMOVED.
S. JOINT WRAP SHALL BE PLACED AROUND PERIMETER JOINT PANEL (SEE SHEET 3.0).
MODULE LIFTING DETAIL
1" K
HOOK COP
TO
SIDE OF STORMTRAP MODULE
END PANEL LIFTING DETAIL
RECOMMENDED
ACCESS OPENING SPECIFICATION
1.
A TYPICAL ACCESS OPENING FOR THE STORMTRAP SYSTEM ARE T-O" IN DIAMETER.
ACCESS OPENINGS LARGER THAN T-0" IN DIAMETER NEED TO BE APPROVED BY
STORMTRAP. ALL OPENINGS MUST RETAIN AT LEAST V-0" OF CLEARANCE FROM THE
END OF THE STORMTRAP MODULE UNLESS NOTED OTHERWISE. ALL ACCESS OPENINGS
TO BE LOCATED ON INSIDE LEG UNLESS OTHERWISE SPECIFIED.
2.
PLASTIC COATED STEEL STEPS PRODUCED BY M.A. INDUSTRIES PART #PS3-PFC OR
APPROVED EQUAL (SEE STEP DETAIL) ARE PROVIDED INSIDE ANY MODULE WHERE
DEEMED NECESSARY, THE HIGHEST STEP IN THE MODULE IS TO BE PLACED A DISTANCE
OF V-0" FROM THE INSIDE EDGE OF THE STORMTRAP MODULES. ALL ENSUING STEPS
SHALL BE PLACED AT A DISTANCE BETWEEN 10" MIN AND 14" MAX BETWEEN THEM.
STEPS MAY BE MOVED OR ALTERED TO AVOID OPENINGS OR OTHER IRREGULARITIES IN
THE MODULE.
3.
STORMTRAP LIFTING INSERTS MAY BE RELOCATED TO AVOID INTERFERENCE WITH
ACCESS OPENINGS OR THE CENTER OF GRAVITY OF THE MODULE AS NEEDED.
4.
STORMTRAP ACCESS OPENINGS MAY BE RELOCATED TO AVOID INTERFERENCE WITH
INLET AND/OR OUTLET PIPE OPENINGS SO PLACEMENT OF STEPS IS ATTAINABLE.
5.
ACCESS OPENINGS SHOULD BE LOCATED IN ORDER TO MEET THE APPROPRIATE
MUNICIPAL REQUIREMENTS. STORMTRAP RECOMMENDS AT LEAST TWO ACCESS
HIGH STRENGTH,
OPENINGS PER SYSTEM FOR ACCESS AND INSPECTION.
NON -SHRINK GROUT
IF A PIPE IS PROPOSED AT THE
6.
USE PRECAST ADJUSTING RINGS AS NEEDED TO MEET GRADE. STORMTRAP
E
SYSTEM INVERT, NOTCH PIPE TO
RECOMMENDS FOR COVER OVER 2' TO USE PRECAST BARREL OR CONE INSPECTIONS.
ALLOW PIPE INVERT TO MEET
(PROVIDED BY OTHERS)
SYSTEM INVERT
RECOMMENDED
PIPE OPENING SPECIFICATION
1. MINIMUM EDGE DISTANCE FOR AN OPENING ON THE OUTSIDE WALL SHALL BE NO LESS
THAN V-0".
2. MAXIMUM OPENING SIZE TO BE DETERMINED BY THE MODULE HEIGHT. PREFERRED
OPENING SIZE IS 0 36" OR LESS. ANY OPENING NEEDED THAT DOES NOT FIT THIS
CRITERIA SHALL BE BROUGHT TO THE ATTENTION OF STORMTRAP FOR REVIEW.
3. CONNECTING PIPES SHALL BE INSTALLED WITH A V-0" CONCRETE COLLAR, AND AN
AGGREGATE CRADLE FOR AT LEAST ONE PIPE LENGTH (SEE PIPE CONNECTION DETAIL).
A STRUCTURAL GRADE CONCRETE OR HIGH STRENGTH, NON -SHRINK GROUT WITH A
MINIMUM 28 DAY COMPRESSIVE STRENGTH OF 3000 PSI SHALL BE USED.
4. THE ANNULAR SPACE BETWEEN THE PIPE AND THE HOLE SHALL BE FILLED WITH HIGH
STRENGTH NON -SHRINK GROUT.
RECOMMENDED PIPE
INSTALLATION INSTRUCTIONS
1. CLEAN AND LIGHTLY LUBRICATE ALL OF THE PIPE TO BE INSERTED INTO STORMTRAP.
2. IF PIPE IS CUT, CARE SHOULD BE TAKEN TO ALLOW NO SHARP EDGES. BEVEL AND
LUBRICATE LEAD END OF PIPE.
3. ALIGN CENTER OF PIPE TO CORRECT ELEVATION AND INSERT INTO OPENING.
NOTE: ALL ANCILLARY PRODUCTS/SPECIFICATIONS RECOMMENDED AND SHOWN ON THIS
SHEET ARE RECOMMENDATIONS ONLY AND SUBJECT TO CHANGE PER THE INSTALLING
CONTRACTOR AND/OR PER LOCAL MUNICIPAL CODE/REQUIREMENTS.
CONNECTION HOOKS PROVIDED BY
STORMTRAP AND INSTALLED BY
CONTRACTOR (SEE DETAIL 6)
HIGH STRENGTH,
NON -SHRINK GROUT
HIGH STRENGTH,
NON -SHRINK GROUT
PANEL CONNECTION
ELEVATION VIEW
SIDE OF END PANEL
PRECAST CONCRETE ADJUSTING RINGS,
BARREL OR CONE SECTIONS AS NEEDED
SEE RECOMMENDED ACCESS OPENING
SPECIFICATION NOTE 6. (SUPPLIED BY OTHERS)
NON -SHRINK GRC
WALL OF STORMTRAP
1'-0" x 1'-0" CONCRETE COLLAR
INLET/OUTLET PIPE
AGGREGATE CRADLE
PIPE CONNECTION DETAIL
STEP 1
STEP 2
DETAIL 6
RISER / STAIR DETAIL
StormTrap•
PATENTS LISTED AT: [HTTP://STORMTRAP.COM/PATENT]
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
P:815-941-4549 / F:331-318-5347
ENGINEER INFORMATION:
ANDERSON ENGINEERING
2045 W WOODLAND ST
SPRINGFIELD, MO
417-866-2741
PROJECT INFORMATION:
O'REILLY AUTO PARTS #4
DETENTION
LEXINGTON, NC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV
DATE:
ISSUED FOR:
OWYN
3Q
12/9/2019
PRELIMINARY
JW
2
6/26/2019
PRELIMINARY
JW
1
3/21/2019
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
SINGLETRAP
INSTALLATION
SPECIFICATIONS
SHEET NUMBER:
3ml
1'-4" MEETS:
OPSS 1351.08.02
13/16" BNQ
ASTM C-478.95a
ASTM D4-101.95b
AASHTO M-199
ASTM 4A-15
1'-s 1/2" 10 1/2"
1'-4 3/4" 7"
STEP DETAIL
i COVER AS
ED BY ENGINEER
ED BY OTHERS)
ZONE CHART
ZONES
ZONE DESCRIPTIONS
REMARKS
#5 (q") STONE AGGREGATE
ZONE 1 A
FOUNDATION AGGREGATE
(SEE NOTE 4 FOR DESCRIPTION)
3" STONE AGGREGATE
ZONE 1 B
FOUNDATION AGGREGATE
(SEE NOTE 5 FOR DESCRIPTION)
UNIFIED SOILS CLASSIFICATION
ZONE 2
BACKFILL
(GIN, GP, SW, SP) - SEE BELOW FOR
APPROVED BACKFILL OPTIONS
ZONE 3
FINAL COVER OVERTOP
MATERIALS NOT TO EXCEED
120 PCF
SPECIAL NOTE:
ENTIRE SHEET HAS CHANGED DUE TO COMMENTS FROM NCDEQ
FILL DEPTH
TRACK WIDTH
WEIGHT (KIPS)
MPRESSUURED
12"
12"
51.8
1690 psf
18"
56.1
1219 psf
24"
68.1
1111 psf
30"
76.7
1000 psf
36"
85.0
924 psf
APPROVED ZONE 2 BACKFILL OPTIONS
OPTION
REMARKS
THE STONE AGGREGATE SHALL CONSIST OF WASHED, CLEAN AND FREE DRAINING ANGULAR
}" STONE
MATERIAL. THE SIZE OF THIS MATERIAL SHALL HAVE 100% PASSING THE 1" SIEVE WITH 0% TO
AGGREGATE
5% PASSING THE #8 SIEVE. THIS MATERIAL SHALL BE SEPARATED FROM NATIVE MATERIAL
USING GEOFABRIC AROUND THE PERIMETER OF THE BACKFILL (ASTM SIZE #57) AS DETERMINED
BY THE GEOTECHNICAL ENGINEER.
IMPORTED PURE SAND IS PERMITTED TO BE USED AS BACKFILL IF IT IS CLEAN AND FREE
SAND
DRAINING. THE SAND USED FOR BACKFILLING SHALL HAVE LESS THAN 40% PASSING #40 SIEVE
AND LESS THAN 5% PASSING #200 SIEVE. THIS MATERIAL SHALL BE SEPARATED FROM NATIVE
MATERIAL USING GEOFABRIC AROUND THE PERIMETER OF THE SAND BACKFILL.
CRUSHED
CLEAN, FREE DRAINING CRUSHED CONCRETE AGGREGATE MATERIAL CAN BE USED AS BACKFILL FOR
CONCRETE
STORMTRAP'S MODULES. THE SIZE OF THIS MATERIAL SHALL HAVE 100% PASSING THE 1" SIEVE WITH
AGGREGATE
0% TO 5% PASSING THE #6 SIEVE. THIS MATERIAL SHALL BE SEPARATED FROM NATIVE MATERIAL
USING GEOFABRIC AROUND THE PERIMETER OF THE BACKFILL.
STONE AGGREGATE 100% PASSING THE 1-1/2" SIEVE WITH LESS THAN 12% PASSING THE #200
ROAD PACK
SIEVE (ASTM SIZE #467). GEOFABRIC AS PER GEOTECHNICAL ENGINEER RECOMMENDATION.
NOTE:
TRACK LENGTH NOT TO EXCEED 15'-4".
ONLY TWO TRACKS PER VEHICLE.
i
MOANDERSON
ENGINEERING
YEE OWNED
ENGINEERS • SURVEYORS • ABORATORIES • DRILLING
3213 S. WEST BYPASS SPRINGFIELD, SSOURI 65801� PHONE [phone]
MO ANDERSON COA# F-0972 RON HARGRAVE PE#049021
www.andersone ineerin inc.com
0289
STORMTRAP ZONE INSTALLATION SPECIFICATIONS/PROCEDURES
�rmTrap•
1. THE FILL PLACED AROUND THE STORMTRAP MODULES MUST DEPOSITED ON BOTH SIDES AT THE
PATENTS LISTED AT: [HTTP://STORMTRAP.COM/PATENT]
SAME TIME AND TO APPROXIMATELY THE SAME ELEVATION. AT NO TIME SHALL THE FILL BEHIND ONE
SIDE WALL BE MORE THAN 2'-0" HIGHER THAN THE FILL ON THE OPPOSITE SIDE. BACKFILL SHALL
1287 WINDHAM PARKWAY
EITHER BE COMPACTED AND/OR VIBRATED TO ENSURE THAT BACKFILL AGGREGATE/STONE MATERIAL
ROMEOVILLE, IL 60446
P:815-941-4549 / F:331-318-5347
IS WELL SEATED AND PROPERLY INTER LOCKED. CARE SHALL BE TAKEN TO PREVENT ANY WEDGING
ACTION AGAINST THE STRUCTURE, AND ALL SLOPES WITHIN THE AREA TO BE BACKFILLED MUST BE
ENGINEER INFORMATION:
STEPPED OR SERRATED TO PREVENT WEDGING ACTION. CARE SHALL ALSO BE TAKEN AS NOT TO
DISRUPT THE JOINT WRAP FROM THE JOINT DURING THE BACKFILL PROCESS. BACKFILL MUST BE
FREE -DRAINING MATERIAL. SEE ZONE 2 BACKFILL CHART ON THIS PAGE FOR APPROVED BACKFILL
ANDERSON ENGINEERING
OPTIONS. IF NATIVE EARTH IS SUSCEPTIBLE TO MIGRATION, CONFIRM WITH GEOTECHNICAL
2045 W WOODLAND ST
ENGINEER AND PROVIDE PROTECTION AS REQUIRED (PROVIDED BY OTHERS).
2. DURING PLACEMENT OF MATERIAL OVERTOP THE SYSTEM, AT NO TIME SHALL MACHINERY BE USED
SPRINGFIELD, MO
OVERTOP THAT EXCEEDS THE DESIGN LIMITATIONS OF THE SYSTEM. WHEN PLACEMENT OF MATERIAL
OVERTOP, MATERIAL SHALL BE PLACED SUCH THAT THE DIRECTION OF PLACEMENT IS PARALLEL WITH
417-866-2741
THE OVERALL LONGITUDINAL DIRECTION OF THE SYSTEM WHENEVER POSSIBLE.
PROJECT INFORMATION:
3. THE FILL PLACED OVERTOP THE SYSTEM SHALL BE PLACED AT A MINIMUM OF 6" LIFTS. AT NO TIME
O'REILLY AUTO PARTS #4
SHALL MACHINERY OR VEHICLES GREATER THAN THE DESIGN HS-20 LOADING CRITERIA TRAVEL
OVERTOP THE SYSTEM WITHOUT THE MINIMUM DESIGN COVERAGE. IF TRAVEL IS NECESSARY
OVERTOP THE SYSTEM PRIOR TO ACHIEVING THE MINIMUM DESIGN COVER, IT MAY BE NECESSARY TO
REDUCE THE ULTIMATE LOAD/BURDEN OF THE OPERATING MACHINERY SO AS TO NOT EXCEED THE
DETENTION
DESIGN CAPACITY OF THE SYSTEM. IN SOME CASES, IN ORDER TO ACHIEVE REQUIRED COMPACTION,
HAND COMPACTION MAY BE NECESSARY IN ORDER NOT TO EXCEED THE ALLOTTED DESIGN LOADING.
LEXINGTON NC
SEE CHART FOR TRACKED VEHICLE WIDTH AND ALLOWABLE MAXIMUM PRESSURE PER TRACK.
4. FREE DRAINING AGGREGATE - 80%AGGREGATE RETAINED ON z" SIEVE MAJORITY OF AGGREGATE
CURRENT ISSUE DATE:
SIZE BETWEEN 2' AND 1" ONLY 5% OF MATERIAL PASSING #g SIEVE.
12/9/2019
S. FREE DRAINING, NO FINES, 3" AGGREGATE - MAJORITY OF STONE SIZE IN BETWEEN 121" AND 3" -
VERY SIMILAR TO AASHTO (#1, #2, #3, & #24) STONE AGGREGATE GRADATION.
ISSUED FOR:
PRELIMINARY
AS REQUIRED PER APPROVED - - - - - - - - - - - - - - - AS REQUIRED PER APPROVED
- - - - - - - - - - - - - - - - - - - - -
ZONE 2 BACKFILL OPTIONS. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ZONE 2 BACKFILL OPTIONS.
- - - - ---- - - - - -- --------- - - - - -- ----- ZONE3- - - - - -- --------- - - - - -- ------------
----------------------------------------------------------------------------------
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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STEPPED OR SERRATED AND
APPLICABLE OSHA REQUIREMENTS
(SEE INSTALLATION SPECIFICATIONS)
StormTrap®
PATENTS LISTED AT: [HTTP://STORMTPAP.COM/PATENT)
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
P:815-941-4549/ F:331-318-5347
ENGINEER INFORMATION:
ANDERSON ENGINEERING
2045 W WOODLAND ST
SPRINGFIELD, MO
417-866-2741
PROJECT INFORMATION:
O'REILLY AUTO PARTS #4
DETENTION
LEXINGTON, NC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV.
DATE:
ISSUED FOR:
BWN
3
12/9/2019
PRELIMINARY
JW
2
6/26/2019
PRELIMINARY
JW
1
3/21/20.9
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
RECOMMENDED
PIPE / ACCESS
OPENING
SPECIFICATIONS
SHEET NUMBER:
P500
NOTES:
1. THE APPROVED GEOWEB SHALL BE PRESTO GEOWEB (GW30V3). THE
GEOWEB NOMINAL DIMENSIONS SHALL BE 9-FT x 25-FT.
2. THE CONCRETE SPLASH PAD AND GEOWEB SHALL BE INSTALLED
PRIOR TO INSTALLATION OF THE STORMTRAP MODULES.
3. THE GEOWEB INFILL MATERIAL SHALL BE #5 AGGREGATE.
4. THE CONCRETE SPLASH PAD SHALL BE INSTALLED WITHIN THE
GEOWEB AND IS REQUIRED AT ALL PIPE ENTRY LOCATIONS.
5. THE GEOWEB EDGE SHALL BE INSTALLED 1-FT BEYOND THE OUTER
PERIMETER OF THE STORMTRAP SYSTEM.
6. THE GEOWEB LONGITUDINAL DIMENSION (25-FT) SHALL BE
INSTALLED PARALLEL TO THE STORMTRAP LEGS.
7. THE CONCRETE SPLASH PAD AND GEOWEB SHALL BE CENTERED AT
THE PIPE PENETRATION.
8. REFER TO SPLASH PAD LAYOUT FOR CONCRETE SPLASH PAD
DIMENSIONS.
9. IF ANY PRODUCT OTHER THAN PRESTO GEOWEB IS TO BE INSTALLED,
THE PRODUCT MANUFACTURER IS REQUIRED TO SUBMIT A LETTER
STATING THAT THE PRODUCT IS EQUAL OR BETTER THEN PRESTO
GEOWEB, BOTH IN PERFORMANCE AND IN STRUCTURAL CAPACITY.
10. ALL GEOWEB AND SPLASH PADS TO BE SUPPLIED AND INSTALLED BY
CONTRACTOR.
11. A CONCRETE SPLASH PAD IS REQUIRED AT ANY ACCESS OPENING
THAT HAS AN OPEN GRATE FOR DRAINAGE. THE CONCRETE SPLASH
PAD SHALL EXTEND BETWEEN THE UNIT LEG WALLS AND T-0" FROM
THE CENTERLINE OF THE OPENING ON BOTH SIDES UNLESS
SPECIFIED OTHERWISE ON THE SPLASH PAD LAYOUT. GEOWEB IS
NOT REQUIRED UNDER ACCESS OPENINGS.
SPLASH PAD CONFIGURATION
ACCES
5
c
INTE
FOUINUA 11V[N PENETRATION
CONCRETE
SPLASH PAD
PIPE
PENETRATION
GEOWEB
GEOWEB
CONCRETE
SPLASH PAD
BACKFILL DETAIL
REV.
DATE:
ISSUED FOR:
OWN
3�
12/9/2019
PRELIMINARY
3W
2
6/26/2019
PRELIMINARY
JW
1
3/21/2019
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
SINGLETRAP
BACKFILL
SPECIFICATIONS
SHEET NUMBER:
4mO
STORMTRAP MODULE
StormTrap®
IATENTS LISTED AT: [HTTP:HSTORMT"P.COM/PATENT?
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
P:815-941-4549 / F:331-318-5347
ENGINEER INFORMATION:
GEOWEB W/CONCRETE CONCRETE SPLASH PAD ANDERSON ENGINEERING
SPLASH PAD (SEE NOTE 4) (BY OTHERS) 2045 W WOODLAND ST
GEOWEB W/AGGREGATE PRESTO GEOWEB
FILL (SEE NOTE 3) (GW30V3)
SPRINGFIELD MO
(SUPPLIED AND 417-866-2741
INSTALLED BY OTHERS)
�j AGGREGATE BASE PROJECT INFORMATION:
(BY OTHERS) PIPE (BY OTHERS)
V- " O'REILLY AUTO PARTS #4
SPLASH PAD DETENTION
SPLASH PAD DETAIL 3"AGGREGATE (SEESHEET 4.0) ELEVATION AGGREGATEBASE (BY OTHERS)
LEXINGTON, NC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV. DATE: ISSUED FOR: BWN
PIPE (BY OTHERS)
STORMTRAP DISTANCE STORMTRAP STORMTRAP
INTERIOR WALL SBETWEEN LEGS EXTERIOR WALL v i PANEL
I
I I
I I
•.:.. .
1
t;
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2X PIPE DIAMETER STORMTRAP
STORMTRAP
S
•'" (2' 0" MIN) WALL I _:.:: i i:: WALL
•:��;,,, 'f- 3� 12/9/2019 PRELIMINARY JW
2 6/26/2019 PRELIMINARY JW
Sx PIPE DIAMETER
PIPE � s�
r• �r:..,t':.�. L' : + .:=; (4'-0" MIN)
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"•i:;' 1 3/21/2019 PRELIMINARY RL
-' ••;:.
• 2X PIPE DIAMETER PRESTO GEOWEB SCALE:
(2'-0" MIN) (BY OTHERS)
•? A'- - •• 'j. :d NTS
PRESTO GEOWEB SHEET TITLE:
(GW30V3) SPLASH PAD & GEOWEB SPLASH PAD & GEOWEB
(BY OTHERS) PLAN VIEW - SIDE WALL PLAN VIEW - END PANEL
SPLASH PAD &
GEOWEB DETAILS
SHEET NUMBER:
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COMM # 4177
DATE:
07-26-19
REVISION
DATE:
01-08-2020
C1.10

TYPF TT
NOTES:
1. OPENING LOCATIONS AND SHAPES MAY VARY.
2. SP - INDICATES A MODULE WITH MODIFICATIONS.
3. P - INDICATES A MODULE WITH A PANEL ATTACHMENT.
4. POCKET WINDOW OPENINGS ARE OPTIONAL.
TYPE II
END PANEL
TYPE IV
FIND PANFI
StormTrapo
PATENTS LISTED AT: IHTTP://STORMTRAP.COM/PATENS
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
5-941-4549 / F:331-318-5347
ENGINEER INFORMATION:
ANDERSON ENGINEERING
2045 W WOODLAND ST
SPRINGFIELD, MO
417-866-2741
PROJECT INFORMATION:
O'REILLY AUTO PARTS #4
DETENTION
LEXINGTON, INC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV.
DATE:
ISSUED FOR:
gWN
30
12/9/2019
PRELIMINARY
3W
2
6/26/2019
PRELIMINARY
JW
1
3/21/2019
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
SINGLETRAP
MODULE TYPES
SHEET NUMBER:
7mO
IIII IIIIWII
IIII IIII II
IIII IIII II
IIII IIII II
00
3'—ol 3, 7„
PI AN \/TFW
SIDE VIEW
1'-92
L
TE:
T HAS CHANGED DUE TO COMMENTS FROM NCDEQ
MOANDERSON
ENGINEERING
7 11
71 YEE OWNED
ENGINEERS • SURVEYORS • ABORATORIES • DRILLING
3213 S. WEST BYPASS SPRINGFIELD, SSOURI 6580? PHONE [phone]
MO ANDERSON COA# F-0972 • RON HARGRAVE PE#049021
www.andersone ineeringinc.com
0289
IF A WATERTIGHT SOLUTION IS REQUIRED FOR THIS OUTLET CONTROL STRUCTURE, STORMTRAP RECOMMENDS THE
USE OF XYPEX OR SIKAFLEX MATERIALS (OR APPROVED EQUIVALENT). WATERPROOFING MATERIALS TO BE SUPPLIED
AND INSTALLED BY THE INSTALLING CONTRACTOR. CONTACT STORMTRAP FOR A LIST OF APPROVED APPLICATORS.
SYMONS WALL
24" 0 ACCESS OPENING
WITH STEPS
END PANEL
' WIDE OVERFLOW WEIR
LEV=860.30'
"'0 ORIFICE
�V=857.00
OUTLET OPENING
1 1 "0 ORIFICE
INV=854.20
SYMONS WALL
END PANEL
ISOMETRIC VIEW
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— — — — — —
----- 1xi---------
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8"
4'
6"
-
ELEVATION VIEW
StormTrapo
PATENTS LISTED AT: [MTTP://STORMTRAP.COM/PATENT]
1287 WINDHAM PARKWAY
ROMEOVILLE, IL 60446
P:815-941-4549 / F:331-318-5347
ENGINEER INFORMATION:
ANDERSON ENGINEERING
2045 W WOODLAND ST
SPRINGFIELD, MO
417-866-2741
PROJECT INFORMATION:
O'REILLY AUTO PARTS #4
DETENTION
LEXINGTON, NC
CURRENT ISSUE DATE:
12/9/2019
ISSUED FOR:
PRELIMINARY
REV.
DATE:
ISSUED FOR:
BWN
3Q
12/9/2019
PRELIMINARY
3W
2
6/26/2019
PRELIMINARY
3W
1
3/21/2019
PRELIMINARY
RL
SCALE:
NTS
SHEET TITLE:
I
OUTLET CONTROL
STRUCTURE DETAIL
SHEET NUMBER:
1;
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COMM # 4177
DATE: 07-26-19
REVISION
DATE: 01-08-2020
C1.11