SWA000015_Ardmore at Price_110617-GRADING_20171204

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1 I I 1 i
GRADING LEGEND
EXISTING GRADE
EXISTING STORM SEWER
PROPOSED GRADE
PROPOSED SPOT GRADE
YARD INLET OR DROP INLET
CURB INLET
JUNCTION BOX
GUTTER DOWN SPOUT
ROOF DRAIN LINE
STORM SEWER
CONCRETE FOUNDATION WALL
2240
X76
+ 2154.75
■
CONTRACTOR NOTE: THE INVERTS OF THE EXISTING PIPES
COMING INTO MANHOLES A-9 AND A-10 ARE UNKNOWN
DUE TO THE FACT THAT THERE IS CURRENTLY A JUNCTION
BOX THAT IS INACCESSIBLE TO THE SURVEYOR.
CONTRACTOR IS RESPONSIBLE FOR UNEARTHING THIS AREA
TO DETERMINE THE ELEVATION AT WHICH THESE PIPES
WILL TIE INTO MANHOLES A-9 AND A-10. DEPENDING ON
THE ELEVATION OF THESE INCOMING PIPES, STRUCTURES
A-9 AND A-10 MAY HAVE TO BE CHANGED TO DROP
MANHOLES TO PREVENT EXCESSIVE DROP FROM THESE
INCOMING EXISTING PIPES. DUE TO THE FACT THAT THESE
INVERTS ARE UNKNOWN, THE MANHOLE LABELS ON THE
PROFILE DO NOT SHOW THESE INVERTS, BUT THE
CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT THE
STRUCTURE THAT IS MANUFACTURED HAS INVERTS AT THE
PROPER ELEVATIONS ONCE THEY HAVE BEEN DETERMINED.
ALL SPOT GRADES ARE LABELED AT BOTTOM OF CURB AND OR ASPHALT
GRADE UNLESS OTHERWISE NOTED.
ALL WATER DRAINING FROM ROOFTOPS THAT WILL NOT HAVE NATURAL
GRADE TO DRAIN TO PROPOSED STORM INLETS SHALL BE ROUTED
THROUGH EITHER A STORM BOX OR CLEANOUT CLOSEST TO THE
BUILDING.
SON MUST C�
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Jw z=
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IIII% r�� 1
�:D
BEFORE YOU DIG!
CONTACT ONE -CALL CENTER
1-800-632-4949
NO LAND DISTURBING ACTIVITIES SHALL OCCUR ON SITE INCLUDING BUT
NOT LIMITED TO GRADING, TREE REMOVAL, OR ANY CONSTRUCTION
ACTIVITY UNTIL APPROVAL IS OBTAINED BY WAXHAW, NCDENR AND ANY
OTHER RELEVANT PERMITTING AGENCY.
• ROOF DRAIN LINES CARRYING 1 DOWNSPOUTS SHALL BE 6"
PVC WITH MIN. 1% SLOPE
• ROOF DRAIN LINES CARRYING 2 DOWNSPOUTS SHALL BE 8"
PVC WITH MIN. 1% SLOPE
• ROOF DRAIN LINES CARRYING 3-6 DOWNSPOUTS SHALL BE
12" PVC WITH MIN. 1% SLOPE
TYPICAL BUILDING DOWNSPOUT LOCATIONS.
SEE ARCHITECTURAL DRAWING FOR EXACT
LOCATION ON ALL BUILDINGS.
GRAPHIC SCALE
50 0 25 50 100 200
( IN FEET )
1 inch = 50 ft.
25
Z 20
0
15
2
10
0
I�
5
BLYTHE MILL
c
z A
SITE o
8\ JETS m z
C�
m
NORTH MAIN
SOUTH MAIN
�O
VICINITY MAP
NOT TO SCALE
0 0 5 10 15
,,,,,,,,,,,,,,,,,,,,,, 20 25
D1AME7ER OF PIPE /N FEET
ZONE APROW CLASS
MATERIAL OF
S70NE
SIZE
OF
S70NE
LENG7H
OF
APRON•
MIN/MUM
THICKNESS
OF STOVE
1
STONE FINE
3'
4 X D
9'
z
srav£ ualt
s'
s x D
1z'
3
STONE MEDIUM
13'
8 X D
18'
4
STONE HEAVY
23'
8 X D
50-
5
STONE HEAVY
23'
IO X D
50-
6
STONE HEAVY
23'
12 X D
JO'
7
REQUIRES LARGER STOVE OR AN07HER TYPE OF
DENCE DESIGN IS BEYOND THE SCOPE OF THIS
PROCEDURE:
18
NIDIH = DIAMETER + 04 (L17007H)
: 6' Mh MUM
�IaT�fl3tlaci�.�.'ii«e.:4c7.7•a4
NAME
*7GHr
SIZE
SPEaRcA DONS
6.02
(LBS)
I
2
18'
RIP -RAP
12"
B
301 SHALL NEIGH AT LEAST 100
CLASS 1
5 - 200
6.86
LBS EACH. NO MORE IHAN TOA
SHALL WGH LESS THAN 15 LBS.
2
18'
11'
EACH.
B
OUTLET R -O
6OASHALL NEIGH Ar LEAST 100
CLASS 2
5 - 250
2.28
LBS EAaL NO MORE THAN 5A
STIALL W96H LESS THAN 50 LBS
12
8'
9"
EACH.
EROSION CONTROL STONE
SLOPE DRAIN 1
6.39
18
S2E
fDP�OM S
CLASS A
3
2 - s'
NO0ACRTADARON80rSPECIFIED.
CUSS B115
- 300
I
NO GRADARON SPECIFIED
OF OUTLET DEPTH ZONE APRON APRON APRON STONE REMARKS
S7RUC7URE 0--FLOWPIPE
PIPE VELOCITY OF FLOW LENGTH WDIH THICKNESS CLASS
(L-) (IN.) (FPS) (FT) (Fr.) (Ft) ON)
OUTLET A-1
40.04
36
6.02
2.5
2
18'
11'
12"
B
OUTLET B-0
47.91
36
6.86
2.59
2
18'
11'
12"
B
OUTLET R -O
30.54
36
4.05
2.28
1
12
8'
9"
B
SLOPE DRAIN 1
6.39
18
17.27
0.39
3
12'
7'
1 g"
B
SLOPE DRAINS Z.1.4
1 7.71
1 1$
1 18.35
1 0.43
3
12'
7'
1 18"
B
SOURCE- DANK & CHANNEL UN/NG PROCEDURES, NEW YORK DEPAR714ENT OF IRANSPOPTAROA; D/NSION OF DEWN AND CONSMUCRON. 1971.
GRADING NOTES:
RIP -RAP PAD SIZING
1. ALL FILL SHALL BE PLACED IN LIFTS UNDER THE DIRECTION OF INDEPENDENT
SOILS TESTING AGENCY.
2. ALL STORM SEWER 15" AND LARGER MUST BE CLASS III RCP EXCEPT AS
OTHERWISE NOTED.
3. ALL STORM SEWER SHALL BE INSTALLED AND BACKFILLED UNDER THE
SUPERVISION AND TESTING OF AN INDEPENDENT SOILS TESTING AGENCY.
4. IMPORTED FILL SHALL BE SUITABLE STRUCTURAL FILL AND APPROVED FOR
PLACEMENT BY THE GEOTECHNICAL ENGINEER
5. ANY SEDIMENT TRACKED ONTO STREETS WITHIN THE DEVELOPMENT MUST BE
CLEANED DAILY.
6. CONTRACTOR TO ENSURE THAT ALL ROOF DRAINAGE DISCHARGES IN A
MANNER SO THAT IT IS ROUTED THROUGH THE PROPOSED BMP.
7. CONTRACTOR SHALL ENSURE POSITIVE DRAINAGE SO THAT RUNOFF WILL
FLOW BY GRAVITY AWAY FROM BUILDINGS AND ACROSS SWALES, DITCHES OR
OVERLAND SHEET FLOW.
8. STORMWATER RCP SHALL BE WATER -TIGHT 0 -RING GASKETED, WITH A
MIINIMUM PRESSURE RATING OF 10 PSI.
Z SAL _
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