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1. IF SIDEIIALK IS LESS THAN 5' )IJDE, THE FULL WIDTH OF THE SIDEWALK _ •
SHALL RE DEPRESSED
2. WI/Ell RAMP 15 LOCATED IN CENffR OF CURB RETURN, CROSSWALK CONFIG'JRAT!,ON
MUST BE SIMILAR TO THAT SHOWN ON THE PLAN TO ACCOMMODATE WYEELCHAIRS·. •
' 3, IF LOCATED ON A CURVE THE SIDES OF THE RAMP NEED NOT BE PARALLfi., BUT
THE M!I-IIMUM H!DTH OF THE RAMP SHALL BE 4'.
5. SI OEWALK ANO RAMP THICKNESS, "T", SHALL BE 4". i 6. THE RAMP SHALL HAVE A 12" WIDE BORDER WITH 1/4" GROOVES APPROXIMATELY 3/4" o.c. SEE .GROVING DETAIL. THE SURFACE OF RAMP SHALL HAVE A
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TRANSVERSE BROOMED SURFACE TEXTURE ROUGHER THAN THE SURROUNDING
SIDEWI\LK EXCEPT WHEN LOCATED IN CENTER OF CURB RETURN.
f/HEN RAMP IS LOCATED IN CEtlTER OF CURB R°ETURN, IT SHALL BE GROOVED IN A HERRINGBONE PATTERN WITH !/4"GROOVES APPROXIMATELY 1'," o.c. SEE GROOVING DETAIL. GROOVES SHOULD BE ALIGNED PARALLEL TO CROSSWALK STRIPES TO DIRECT BLiliD PEDESTRIANS INTO APPROPRIATE CROSSWALK,
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'it. 8. RAMP SIDE SLOPE VARIES UNIFORMLY FROM A MAXIMUM OF UP TO 12.5% AT CURB TO
CONFORM WITH LONGITUDINAL SfDEWALK SLOPE ADJACENT TO TOP OF THE RAMP, EXCEPT IN CASES C & G.
9. RETROFITS
CG~.B .d?C"cvt!".S'.S RAHP .t?Em/t': A. OTHER RAMP GRADES MAY BE INCREASED TO A MAXIMUM OF 11.1%.
(IIEVERTHELESSS, THEY SHOULD BE AS FLAT AS FEASIBLE.)
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B., WHERE THE 4' PLATFORM IS NOT FEASIBLE, THE 1110TH MAY BE DECREASED
OR ELHIINATED.
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DATE BY DESCRIPTION
REVISIONS
APP'D.
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DESIGNED
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CHECKED /Jj/ .
;04/?CE~ /tf'4P #~ dt:>-7/6'
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CITY. OF NE\"IPORT BEACH DATE j?Jlt, 'J 2 PUBLIC WORKS DEPARTMENT SHEET /
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