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GRADING NOTES
GRADING LEGEND
1.
ALL DRAINS AND CATCH BASINS AVAILABLE FROM:
SYMBOL
DESCRIPTION
NDS - NATIONAL DIVERSIFIED SALES (800) 726-1944.
TG
TOP OF GRATE
INV. EL
INVERT ELEVATION
2.
PITCH ALL WALKS @ 1% CROSS SLOPE. ALL PAVING TO DRAIN AWAY FROM
FG
FINISH GRADE
o
BUILDING/WALLS TOWARDS THE STREET OR DRAINAGE SWALE.
FS
FINISH SURFACE
O�
TC
TOP OF CURB
3.
DRAINAGE GRADIENT ON CONCRETE PAVING SHALL BE A MINIMUM OF I%
TW
TOP OF WALL .
tea+
TF
TOP OF FOOTING
(UNLESS OTHERWISE NOTED). DRAINAGE GRADIENT IN PLANTING AREAS
HP
HIGH POINT
SHALL BE A MINIMUM OF 2% (UNLESS OTHERWISE NOTED).
LP
LOW POINT
WW
FL
FLOW LINE
4.
VERIFY EXISTING GRADES AND CIVIL ENGINEERING PLANS PRIOR TO
TS
TOP OF STEP
BS
BOTTOM OF STEP
CONSTRUCTION. NOTIFY OWNER IF ANY DISCREPANCIES EXIST BEFORE
TR
TOP OF FENCE RAIL
COMMENCING WITH GRADING.
WL
WATER LEVEL
TP
TOP OF PILASTER
5.
PROJECT WALKS NO TO EXCEED A SLOPE OF 12.5:1 OR 8% GRADIENT FOR
SPOT ELEVATION AS NOTED ON CIVIL PLANS
PROPOSED GRADE ELEVATION
HANDICAPPED ACCESS
` '
UNDERWALK DRAIN
'
SWALE CENTER LINE
6.
HOLD FINISH GRADE 1 1/2" BELOW FINISH SURFACE OF SIDEWALK.
O
HARDSCAPE FLOW DIRECTION
— —
GRADE BREAK
7.
ALL MATERIAL AND WORKMANSHIP IS TO CONFORM TO GOVERNING CODES
®
6" ATRIUM DRAIN NDS 80 gn & 6" SPEE-D-BASIN
AND ORDINANCES.
®
7" SQUARE GRATE NDS 772 gn & 6" SPEE-D-BASIN
QQ
6" ROUND GRATE NDS 40 gn & 6" SPEE-D-BASIN
8.
SLOPE IN LAWN AREAS SHALL NOT EXCEED 3:1.
4" BRASS DECK DRAIN NDS -910B
MICRO DRAIN CHANNEL NDS 8002
CHH
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3" ABS DRAINPIPE
9.
PROVIDE UNDER WALK DRAINS AT ALL WALK AREAS WHEN THEY ARE IN
ALIGNMENT WITH DRAINAGE SWALES
=____=
DRAIN PER C.E. PLANS
10. CONTRACTOR SHALL INSTALL ABS DRAIN LINE CLEAN OUTS AT 75 O.C.
11. CONNECT ALL CATCH BASINS AND AREAS AS NOTED ON PLANS.
I
SCALE
N0. REVISION
Q 10-14-10 - PITY & MWD
LAN CHECK
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