SW5200201_Plan (Grading)_20200413

241241
241
241
2412412412412402402402
4
0 240
241
241
24
0
2
4
0
238
23
9
2
3
9
239
239238238
2382392
3
9239240240240239241
2
4
2
242
240
240241241241242 238238237238238237 238238236
2362
3
8
2
3
7
237239EX. 20' ALLEY OR STREET(FORMERLY MANN STREET)PB 70 PG 304EXISTING 66' PUBLIC R/W
ELM STREET
EXISTING 66' PUBLIC R/W
MARKET STREET
EXISTING 66' PUBLIC R/WBROCKLYN STREETXXXXXXXXXXXX
X
X
X
X
X
X X
XXXX
X X
X
X
X
X
XXX X
XXXXX XXXXXXX X X X X X X X X X X X X X X X X X X X
XXXXXXXXX X X X
X XS55°15'33"E300.41'N34°28'18"E 642.01'
PINE
PINE
PINE
OAK
OAK
PINE
PINE
PINE
PINE
PINE
PINE
PICNIC
SHELTER
PICNIC
SHELTER
PLAY AREA
ASPHALT
A
S
P
H
A
L
T

T
R
A
C
K
S
EX. YI 6EX. 15" HDPE
S
S
EX. YI 7
SDMH
N55°15'33"W297.39'N34°45'04"E 642.00'
N34°45'04"E 679.08'
YI# 101
YI# 100
53 LF 15" RCP
@ 0.40%
FG 240.60
FG 240.70
EP 241.05 +/-
EP 239.85 +/-
EP 238.50 +/-
EP 238.48 +/-EP 238.30 +/-EP 238.20 +/-
FG 238.00FG 238.10FG 238.00
FG 238.25 FG 238.25FG 238.20FG 238.10FG 239.30FG 239.50
MATCH EX.MATCH EX.MATCH EX.
MATCH EX.
MATCH EX.
MATCH EX.
FG 236.30
FG 239.20
FG 237.85241240
239
240
239
238
241
240 239
240
23
9
238 237
238
2
4
1
238240239 2
3
9
2
4
0
EX. STORM PIPE
325.90 LF @ 0.092%
(MATERIALS UNKNOWN)
NOTE: SURVEY DATA FOR THE EXISTING PIPE UNDER THE
MULTIPURPOSE FIELDS IS INCONCLUSIVE AND SHOULD BE
CONSIDERED APPROXIMATE IN NATURE. THE CONDITION
AND CAPACITY OF THE EXISTING PIPE ARE UNABLE TO BE
ADEQUATELY DETERMINED BY THE AVAILABLE DATA.
EXISTING INLET
TOP 239.23
INV. IN 233.55 (S)
INV. IN 233.37 (N)
BOTTOM MH 233.15
LIMITS OF
DISTURBANCE
(REFER TO EROSION
CONTROL PLAN )
LIMITS OF
DISTURBANCE
(REFER TO EROSION
CONTROL PLAN )
SPOT ELEVATION
MAJOR CONTOUR
MINOR CONTOUR
400400400
FLOW DIRECTION4.0%
LIMITS OF DISTURBANCE
FG 387.46
402
RIP-RAP OUTLET PROTECTION
SPOT ELEVATION
MAJOR CONTOUR
MINOR CONTOUR
400400400
FLOW DIRECTION4.0%
LIMITS OF DISTURBANCE
FG 387.46
402
RIP-RAP OUTLET PROTECTION
STORM DRAINAGE TABLE
INLET#
100
101
TYPE
YI
YI
RIM ELEV
(EOP)
236.50
236.30
INV IN
(FROM-SIZE)
232.66
(101-15")
INV OUT
(TO-SIZE)
232.87
(100-15")N30'60'
SCALE IN FEET
15'30'
SCALE: 1 IN = 30 FT
SCALE IN FEET
HORIZONTAL
0
THESE PLANS AND ASSOCIATED DOCUMENTS ARE THE EXCLUSIVE PROPERTY OF SHIPMAN ENGINEERING, PLLC AND MAY NOT BE REPRODUCED IN WHOLE OR IN PART. THESE DOCUMENTS SHALL NOT BE USED FOR ANY PURPOSEWHATSOEVER, INCLUDING, BUT NOT LIMITED TO, CONSTRUCTION, BIDDING, AND/OR CONSTRUCTION STAKING WITHOUT THE EXPRESS WRITTEN CONSENT OF SHIPMAN ENGINEERING, PLLC.REVISIONSSYMBOLDATE137 MIDDLEGREEN PLACEHOLLY SPRINGS, NC 27540NCBELS LICENSE P-1963DESIGNED BY:WZS
DRAWN BY:WZS
CHECKED BY:WZS
DRAWING DATE:
SE PROJECT #:LEE STREET ATHLETICCOMPLEX IMPROVEMENTSTOWN OF BENSONJOHNSTON COUNTY, NORTH CAROLINASHEET NUMBER:
2019-017SHIPMANENGINEERING 919.900.0006SHIPMAN ENGINEERING, PLLC07-11-19103-12-2020PER NCDEQ EROSION CONTROL COMMENTS204-7-2020PER DWQ STORMWATER COMMENTSC-07 PARTIAL GRADING & DRAINAGE PLAN IGRADING & DRAINAGE LEGEND
ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH TOWN
OF BENSON STANDARDS AND SPECIFICATIONS.
MATCHLINE REFER TO C-08
GRADING AND DRAINAGE NOTES:
1.BEFORE YOU DIG, STOP. CALL THE NC ONE-CALL CENTER AT 1-800-632-4949. IT'S THE
LAW. EXISTING UTILITIES ARE SHOWN FROM THE BEST AVAILABLE INFORMATION AND
ARE APPROXIMATE. IT IS THE CONTRACTOR'S RESPONSIBILITY TO VERIFY THESE AND
OTHER UTILITIES BEFORE STARTING CONSTRUCTION. NOTIFY UTILITY LOCATING
COMPANY (ONE CALL @ 1-800-632-4949) OR INDIVIDUAL UTILITY OWNERS FOR
UNDERGROUND LOCATIONS AT LEAST 48 HOURS IN ADVANCE.
2.ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE TOWN OF BENSON
STANDARD SPECIFICATIONS AND DETAILS.
3.EXISTING CONDITIONS AND TOPOGRAPHICAL DATA OF THE SUBJECT PARCEL ARE
COMPILED FROM A FIELD SURVEY OF THE PROPERTY BY LAMBERT SURVEYING, INC.
(DATED APRIL 5, 2019) AND IS NOT THE RESULT OF A FIELD SURVEY BY SHIPMAN
ENGINEERING, PLLC. ADDITIONAL EXISTING CONDITIONS DATA PROVIDED BY
SUPPLEMENTAL DATA INCLUDING AERIAL PHOTOGRAPHY, JOHNSTON COUNTY GIS
DATA, AND OTHER DATA SOURCES AS REQUIRED.
4.RIPARIAN BUFFER AREAS SHALL NOT BE CLEARED, DRAINAGE, OR OTHERWISE
DISTURBED UNLESS SPECIFICALLY PERMITTED BY THE US ARMY CORPS OF ENGINEERS
AND NCDENR-DWQ.
5.TREE PROTECTION FENCING SHALL BE PROVIDED ALONG ALL VEGETATED RIPARIAN
AND VEGETATED PERIMETER BUFFER AREAS AS WELL AS TREE CONSERVATION AREAS.
6.20' STORM EASEMENTS SHALL BE CENTERED ON ALL STORM SEWER PIPE LOCATED
OUTSIDE OF STREET RIGHT OF WAYS.
7.UTILITY PIPE SIZES & LOCATIONS ARE PRELIMINARY AND SHALL BE FINALIZED DURING
CONSTRUCTION DRAWING REVIEW & APPROVAL.
8.ALL STORM DRAINAGE WITHIN THE RIGHT OF WAY SHALL BE PUBLIC. ALL STORM
DRAINAGE OUTSIDE THE RIGHT OF WAY SHALL BE PRIVATE.
9.STORM DRAINAGE PIPING SHALL BE CLASS III RCP UNLESS OTHERWISE NOTED. STORM
DRAINAGE WITH LESS THAN 2' OF COVER MEASURED FROM SUBGRADE SHALL BE CLASS
IV RCP.
10.PRIVATE UTILITIES (POWER, TELEPHONE, NATURAL GAS, CABLE TV) ARE NOT SHOWN ON
THIS PLAN. THE CONTRACTOR SHALL COORDINATE THE INSTALLATION OF THOSE
UTILITIES WHEN INSTALLING STORM DRAINAGE TO AVOID CONFLICTS.
11.RIM ELEVATION FOR YARD INLETS (YI) REFERS TO THE CENTER OF THE TOP OF GRATE.
RIM ELEVATION OF MANHOLES (SDMH) REFERS TO THE CENTER OF THE TOP OF
MANHOLE COVER. TOP ELEVATION OF CATCH BASINS (CB) REFERS TO THE CENTER OF
THE TOP OF CASTING ELEVATION.
12.PROPOSED CONTOURS ILLUSTRATE THE FINISHED SURFACE ELEVATION FOR
PAVEMENT, FINISHED SUBGRADE ELEVATION IN OPEN AREAS AND TOP OF RIP-RAP
UNLESS OTHERWISE NOTED.
13.CUT/FILL SLOPES SHALL BE GRADED AT A MAXIMUM OF 3H:1V UNLESS OTHERWISE
INDICATED.
14.NO GRADING EQUIPMENT SHALL BE PERMITTED ON-SITE UNTIL A GRADING PERMIT HAS
BEEN ISSUED BY JOHNSTON COUNTY AND/OR NCDEQ DIVISION OF LAND QUALITY.
15.ALL RIP-RAP IS TO BE INSTALLED WITH NON-WOVEN FILTER FABRIC BENEATH (MIRAFI
140N OR APPROVED EQUAL).
16.WHERE PROPOSED EDGE OF PAVEMENT CONNECTS TO EXISTING, CONTRACTOR SHALL
MATCH EXISTING ELEVATION AND CREATE A SMOOTH TRANSITION.
17.CONTRACTOR SHALL RAISE ALL STRUCTURES TO FINISHED GRADE ELEVATIONS.
ACCESSIBILITY GRADING NOTES:
1.ALL CONCRETE SIDEWALK AND PEDESTRIAN AREAS WITHIN THE PROJECT BOUNDARY
SHALL COMPLY WITH ADA ACCESSIBILITY REQUIREMENTS.
2.THE MAXIMUM SIDEWALK CROSS SLOPE SHALL BE 2%. THE MAXIMUM SIDEWALK
RUNNING SLOPE SHALL BE 5%
3.CONTACT DESIGN ENGINEER SHOULD DISCREPANCIES BE FOUND WITH REGARD TO
MATCHING THE EXISTING SIDEWALK GRADES.
241241241241241241
241
241
240
2402402
4
0240 238
23
9
239239239239
239
239239242240
241
2
3
9
239
EXISTING 60' PUBLIC R/W
LEE STREETEXISTING PUBLIC R/WMANN STREETX X X X X X X X
X
X XXXXXXXXXXXX X X X XXXXXXXXXXXXXXXXXXX
XXXXXXX
X XXXXXXXXXXXXXXXX
X X X X X X X X X X X X X X X X X X X
XFMR
XFMR
X
X X X
EX. DUGOUT EX. DUGOUTEX. DUGOUTEX. DUGOUTASPHALT TRACK
ASPHALT
CONC. S/W
CONC. S/WCONC. S/W
EX. CHAIN
LINK FENCE
EX. CHAIN LINK
FENCE
EX. CHAIN LINK
FENCE
WMS
EX. 15" HDPE
EX.
1
5"
H
D
P
E
E
X
.

1
5
"

H
D
P
EEX. 15" HDPEEX. YI 1
EX. YI 2
EX. YI 3
EX. YI 4
S N55°15'33"W629.49'S34°43'27"W 1237.44'XXXXXX
XXXX X
X
XXXXXXXXXXXX
X
X
X
X
X
X
X
X
X
XXX
XXXX
X
XXXXXX
X
X X X
X X X
X X X
XXXXXXXXXXXXXXXXXXXXX
XX
X
X
X
X
X
X
X
X
X X X X
X X X X
X
X
X
X
X
X
X XXXXXXXXXXXXXXXX
XXX
WWSAN SAN SAN SAN SAN SAN
FM FMFMFMFMFMFMFM FM FM FM FM FM FM FM FM FM FM FM FM
RPZWM10+00 11+0012+00 13+00 14+00 14+75
WWWWWWWWWWWWWWWWWPROPOSED
FIELD HOUSE
FFE= 240.30
FG 240.15
FG 240.00
FG 240.10
FG 239.85
FG 239.40 +/-
FG 239.00 FG 239.10
FG 239.60
FG 239.75
FG 239.30 +/-
FG 239.40 +/-
FG 240.05
FG 240.00
FG 240.30
FG 240.00
FG 240.45
FG 240.10
FG 239.50 +/-
MATCH EX.
MATCH EX.
MATCH EX.
MATCH EX.
FG 239.50
FG 239.80
FG 240.30
FG 240.10FG 240.30
FG 240.10
FG 240.20
240
2
4
1
240
240
239239239FG 240.10
LIMITS OF
DISTURBANCE
(REFER TO EROSION
CONTROL PLAN )
LIMITS OF
DISTURBANCE
(REFER TO EROSION
CONTROL PLAN )
FG 239.70
FG 238.81
FG 239.61
FG 239.60
FG 239.40
FG 239.80
FG 239.76
DRAINAGE SWALE
MIN. SLOPE 0.5%
DRAINAGE SWALE
MIN. SLOPE 0.5%
(CONTRACTOR SHALL ENSURE
POSITIVE DRAINAGE AWAY
FROM BUILDING INTO EX. YARD
INLET)2402
4
0
SPOT ELEVATION
MAJOR CONTOUR
MINOR CONTOUR
400400400
FLOW DIRECTION4.0%
LIMITS OF DISTURBANCE
FG 387.46
402
RIP-RAP OUTLET PROTECTION
SPOT ELEVATION
MAJOR CONTOUR
MINOR CONTOUR
400400400
FLOW DIRECTION4.0%
LIMITS OF DISTURBANCE
FG 387.46
402
RIP-RAP OUTLET PROTECTION
STORM DRAINAGE TABLE
INLET#
100
101
TYPE
YI
YI
RIM ELEV
(EOP)
236.50
236.30
INV IN
(FROM-SIZE)
232.66
(101-15")
INV OUT
(TO-SIZE)
232.87
(100-15")N30'60'
SCALE IN FEET
15'30'
SCALE: 1 IN = 30 FT
SCALE IN FEET
HORIZONTAL
0
THESE PLANS AND ASSOCIATED DOCUMENTS ARE THE EXCLUSIVE PROPERTY OF SHIPMAN ENGINEERING, PLLC AND MAY NOT BE REPRODUCED IN WHOLE OR IN PART. THESE DOCUMENTS SHALL NOT BE USED FOR ANY PURPOSEWHATSOEVER, INCLUDING, BUT NOT LIMITED TO, CONSTRUCTION, BIDDING, AND/OR CONSTRUCTION STAKING WITHOUT THE EXPRESS WRITTEN CONSENT OF SHIPMAN ENGINEERING, PLLC.REVISIONSSYMBOLDATE137 MIDDLEGREEN PLACEHOLLY SPRINGS, NC 27540NCBELS LICENSE P-1963DESIGNED BY:WZS
DRAWN BY:WZS
CHECKED BY:WZS
DRAWING DATE:
SE PROJECT #:LEE STREET ATHLETICCOMPLEX IMPROVEMENTSTOWN OF BENSONJOHNSTON COUNTY, NORTH CAROLINASHEET NUMBER:
2019-017SHIPMANENGINEERING 919.900.0006SHIPMAN ENGINEERING, PLLC07-11-19103-12-2020PER NCDEQ EROSION CONTROL COMMENTS204-7-2020PER DWQ STORMWATER COMMENTSC-08 PARTIAL GRADING & DRAINAGE PLAN IIALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH TOWN
OF BENSON STANDARDS AND SPECIFICATIONS.
MATCHLINE REFER TO C-07
GRADING & DRAINAGE LEGEND
GRADING AND DRAINAGE NOTES:
1.BEFORE YOU DIG, STOP. CALL THE NC ONE-CALL CENTER AT 1-800-632-4949. IT'S THE LAW. EXISTING
UTILITIES ARE SHOWN FROM THE BEST AVAILABLE INFORMATION AND ARE APPROXIMATE. IT IS THE
CONTRACTOR'S RESPONSIBILITY TO VERIFY THESE AND OTHER UTILITIES BEFORE STARTING
CONSTRUCTION. NOTIFY UTILITY LOCATING COMPANY (ONE CALL @ 1-800-632-4949) OR INDIVIDUAL
UTILITY OWNERS FOR UNDERGROUND LOCATIONS AT LEAST 48 HOURS IN ADVANCE.
2.ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE TOWN OF BENSON STANDARD
SPECIFICATIONS AND DETAILS.
3.EXISTING CONDITIONS AND TOPOGRAPHICAL DATA OF THE SUBJECT PARCEL ARE COMPILED FROM A
FIELD SURVEY OF THE PROPERTY BY LAMBERT SURVEYING, INC. (DATED APRIL 5, 2019) AND IS NOT
THE RESULT OF A FIELD SURVEY BY SHIPMAN ENGINEERING, PLLC. ADDITIONAL EXISTING CONDITIONS
DATA PROVIDED BY SUPPLEMENTAL DATA INCLUDING AERIAL PHOTOGRAPHY, JOHNSTON COUNTY GIS
DATA, AND OTHER DATA SOURCES AS REQUIRED.
4.RIPARIAN BUFFER AREAS SHALL NOT BE CLEARED, DRAINAGE, OR OTHERWISE DISTURBED UNLESS
SPECIFICALLY PERMITTED BY THE US ARMY CORPS OF ENGINEERS AND NCDENR-DWQ.
5.TREE PROTECTION FENCING SHALL BE PROVIDED ALONG ALL VEGETATED RIPARIAN AND VEGETATED
PERIMETER BUFFER AREAS AS WELL AS TREE CONSERVATION AREAS.
6.20' STORM EASEMENTS SHALL BE CENTERED ON ALL STORM SEWER PIPE LOCATED OUTSIDE OF
STREET RIGHT OF WAYS.
7.UTILITY PIPE SIZES & LOCATIONS ARE PRELIMINARY AND SHALL BE FINALIZED DURING CONSTRUCTION
DRAWING REVIEW & APPROVAL.
8.ALL STORM DRAINAGE WITHIN THE RIGHT OF WAY SHALL BE PUBLIC. ALL STORM DRAINAGE OUTSIDE
THE RIGHT OF WAY SHALL BE PRIVATE.
9.STORM DRAINAGE PIPING SHALL BE CLASS III RCP UNLESS OTHERWISE NOTED. STORM DRAINAGE
WITH LESS THAN 2' OF COVER MEASURED FROM SUBGRADE SHALL BE CLASS IV RCP.
10.PRIVATE UTILITIES (POWER, TELEPHONE, NATURAL GAS, CABLE TV) ARE NOT SHOWN ON THIS PLAN.
THE CONTRACTOR SHALL COORDINATE THE INSTALLATION OF THOSE UTILITIES WHEN INSTALLING
STORM DRAINAGE TO AVOID CONFLICTS.
11.RIM ELEVATION FOR YARD INLETS (YI) REFERS TO THE CENTER OF THE TOP OF GRATE. RIM ELEVATION
OF MANHOLES (SDMH) REFERS TO THE CENTER OF THE TOP OF MANHOLE COVER. TOP ELEVATION OF
CATCH BASINS (CB) REFERS TO THE CENTER OF THE TOP OF CASTING ELEVATION.
12.PROPOSED CONTOURS ILLUSTRATE THE FINISHED SURFACE ELEVATION FOR PAVEMENT, FINISHED
SUBGRADE ELEVATION IN OPEN AREAS AND TOP OF RIP-RAP UNLESS OTHERWISE NOTED.
13.CUT/FILL SLOPES SHALL BE GRADED AT A MAXIMUM OF 3H:1V UNLESS OTHERWISE INDICATED.
14.NO GRADING EQUIPMENT SHALL BE PERMITTED ON-SITE UNTIL A GRADING PERMIT HAS BEEN ISSUED
BY JOHNSTON COUNTY AND/OR NCDEQ DIVISION OF LAND QUALITY.
15.ALL RIP-RAP IS TO BE INSTALLED WITH NON-WOVEN FILTER FABRIC BENEATH (MIRAFI 140N OR
APPROVED EQUAL).
16.WHERE PROPOSED EDGE OF PAVEMENT CONNECTS TO EXISTING, CONTRACTOR SHALL MATCH
EXISTING ELEVATION AND CREATE A SMOOTH TRANSITION.
17.CONTRACTOR SHALL RAISE ALL STRUCTURES TO FINISHED GRADE ELEVATIONS.
ACCESSIBILITY GRADING NOTES:
1.ALL CONCRETE SIDEWALK AND PEDESTRIAN AREAS WITHIN THE PROJECT BOUNDARY
SHALL COMPLY WITH ADA ACCESSIBILITY REQUIREMENTS.
2.THE MAXIMUM SIDEWALK CROSS SLOPE SHALL BE 2%. THE MAXIMUM SIDEWALK
RUNNING SLOPE SHALL BE 5%
3.CONTACT DESIGN ENGINEER SHOULD DISCREPANCIES BE FOUND WITH REGARD TO
MATCHING THE EXISTING SIDEWALK GRADES.