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02-08-21-R
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02-08-21-R
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6 41Model:250-1 Pedestrian Curb Ramp1/15/2021Last Saved:\\hrgreen.com\HRG\Data\2018\181582\CAD\Road_Design\sheets\CD191801_spn01.dgnFile:PlotDrvr:pdf_bw_no_level_MnDOT.pltcfgPenTbl:hrg.tblNOTES: <br />TOP OF CURB SHALL MATCH PROPOSED ADJACENT WALK GRADE. <br />S <br />5 <br />3 <br />7 <br />7 <br />PARALLEL <br />TIERED PERPENDICULAR <br />DIAGONAL <br />BACK OF CURB <br />FRONT OF GUTTER <br />FLOW LINE <br />FLAREFLARE <br />4 4 <br />PERPENDICULAR <br />WALK WALKA <br />A <br />REQUIRED LANDING <br />4' 0'' MIN. <br />RAMP <br />VAR. <br /> <br />SECTION A-A <br />CURB AND GUTTER <br />CURB OR <br />0.02 FT./FT. MAX. <br />1/4" R. <br /> <br />SECTION C-C <br />0.02 FT./FT. MAX. <br />1/4" R. <br />PARALLEL/DEPRESSED CORNER <br />REQUIRED LANDING <br />4' 0'' MIN. <br />C <br />C <br />A <br />A <br />FLARE <br />3 <br />4 <br />A <br />A <br />FLARE <br />4 <br />S <br />S <br />F <br />S <br /> <br />SECTION B-B <br />FAN <br />PERPENDICULAR/TIERED/DIAGONAL <br /> 0.083 FT./FT PREFERRED <br /> 0.05 FT./FT. AND <br />REQUIRED LANDING <br />4' 0'' MIN. <br />RAMP <br />VAR.CURB AND GUTTER <br />CURB OR <br />0.02 FT./FT. MAX. <br />1/4" R. <br /> 0.05 FT./FT PREFERRED <br /> 0.02 FT./FT. AND <br />S <br />F <br />WALKABLE SURFACE <br />NON-WALKABLE OR <br />WALK <br />CONCRETE <br />6" <br />WALK <br />CONCRETE <br />6" <br />WALK <br />CONCRETE <br />6" <br />S <br />F <br />4 <br />APPLICABLE WHEN THE INITIAL RAMP RUNNING SLOPE IS OVER 5.0%. <br />OF CURB, WITH 6' FROM THE BACK OF CURB BEING THE PREFERRED DISTANCE, ONLY <br />INITIAL CURB RAMP LANDINGS SHALL BE CONSTRUCTED WITHIN 15' FROM THE BACK <br />WHEN THE LONGITUDINAL RUNNING SLOPE IS GREATER THAN 5.0%. <br />SECONDARY CURB RAMP LANDINGS ARE REQUIRED FOR EVERY 30" OF VERTICAL RISE <br />6 <br />6 <br />6 <br />DETECTABLE WARNINGS SHALL BE SETBACK 3" MINIMUM TO 6" MAXIMUM FROM THE BACK OF CURB. <br />RECTANGULAR DETECTABLE WARNINGS SHALL BE SETBACK 3" FROM THE BACK OF CURB. RADIAL <br />CONDITIONS WARRANT, LONGITUDINAL SLOPES UP TO 8.3% OR FLATTER ARE ALLOWED. <br />THESE LONGITUDINAL SLOPE RANGES SHALL BE THE STARTING POINT. IF SITE <br />AND CROSS SLOPE SHALL NOT EXCEED 2.0%. <br />THAN 2.0% AND LESS THAN 5.0% IN THE DIRECTION SHOWN <br />INDICATES PEDESTRIAN RAMP - SLOPE SHALL BE GREATER <br />AND THE CROSS SLOPE SHALL NOT EXCEED 2.0%. <br />5.0% MINIMUM AND 8.3% MAXIMUM IN THE DIRECTION SHOWN <br />INDICATES PEDESTRIAN RAMP - SLOPE SHALL BE BETWEEN <br />5 <br />7 <br />7 <br />AND RETURNED CURBS, WHEN INITIAL LANDING IS AT FULL CURB HEIGHT. <br />SEE SHEET 4 OF 6, TYPICAL SIDE TREATMENT OPTIONS, FOR DETAILS ON FLARES <br />4 <br />4 <br />FEASIBLE TO CONSTRUCT THE LANDING OUTSIDE OF THE DETECTABLE WARNING AREA. <br />DETECTABLE WARNINGS MAY BE PART OF THE 4' X 4' MIN. LANDING AREA IF IT IS NOT <br />CURB AND GUTTER <br />CURB OR <br />MODIFIED FAN <br />5 <br />6 <br />4 <br />4 <br />7 <br />3 <br />WALKABLE SURFACE <br />NON-WALKABLE OR <br />CURB HEIGHT <br />0" <br />0" <br />1 MATCH FULL HEIGHT CURB. <br />1 1 <br />1 1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />F <br />F <br />F <br />F <br />B <br />B <br />FLARE FLAREF <br />F <br />F <br />F <br />F <br />B <br />B <br />FLARE FLAREF <br />S <br />DEPRESSED CORNER <br />C <br />C <br />S <br />2 <br />2 <br />2 4' MINIMUM DEPTH LANDING REQUIRED ACROSS TOP OF RAMP. <br />MAY BE USED <br />STRAIGHT FORMS <br />8 <br />8 <br />8 <br />ALL RAMP TYPES SHOULD HAVE A MINIMUM 3' LONG RAMP LENGTH. <br />X" <br />0" <br />0" <br />0" <br />3" <br />3" <br />0" <br />3" <br />0" <br />0" <br />3" <br />0"0" <br />0"0" <br />0"0" <br />1 1 <br />3" HIGH CURB WHEN USING A 3' LONG RAMP, 4" HIGH CURB WHEN USING A 4' LONG RAMP. <br />VISUAL JOINTS SHALL BE USED AT THE TOPS OF CONCRETE FLARES ADJACENT TO WALKABLE SURFACES. <br />CONTRACTION JOINTS SHALL BE CONSTRUCTED ALONG ALL GRADE BREAKS WITHIN THE PAR. 1/4" DEEP <br />2 <br />9 <br />EVALUATED AND DEEMED IMPRACTICAL <br />OTHER CURB RAMP TYPES HAVE BEEN <br />SHALL ONLY BE USED AFTER ALLSURFACEOR WALKABLENON-WALKABLEPAVE FULL WALK WIDTH. <br />9 <br />9 <br />SURFACE <br />OR WALKABLE <br />NON-WALKABLE <br />2.0% SLOPE IN ALL DIRECTIONS. LANDING SHALL BE FULL WIDTH OF INCOMING PARS. <br />LANDING AREA - 4' X 4' MIN. (5' X 5' MIN. PREFERRED) DIMENSIONS AND MAX <br />SLOPES TO REDUCE NEGATIVE BOULEVARD SLOPES FROM THE TOP BACK OF CURB TO THE PAR. <br />WHEN THE BOULEVARD IS 4' WIDE OR LESS, THE TOP OF CURB TAPER SHALL MATCH THE RAMP <br />6SIDES OF A SLOPED WALKING SURFACE MUST BE EQUAL LENGTH. (EXCEPT AS STATED IN BELOW. <br />ALL GRADE BREAKS WITHIN THE PAR SHALL BE PERPENDICULAR TO THE PATH OF TRAVEL. THUS BOTH <br />LENGTH OF RADIAL DETECTABLE WARNINGS SHOULD NOT BE GREATER THAN 20 FEET. <br />THE WALK. DETECTABLE WARNING SHOULD BE 6" LESS THAN THE PAR/TRAIL WIDTH. ARC <br />WARNING TO COVER ENTIRE WIDTH OF SHARED-USE PATHS AND THE ENTIRE PAR WIDTH OF <br />SHALL CONTINUOUSLY EXTEND FOR A MIN. OF 24" IN THE PATH OF TRAVEL. DETECTABLE <br />4' MINIMUM WIDTH OF DETECTABLE WARNING IS REQUIRED FOR ALL RAMPS. DETECTABLE WARNINGS <br /> <br />LEGEND <br />IS CONSTRAINED <br />USED WHEN RIGHT-OF-WAY <br />A 7' MIN TOP RADIUS GRADE BREAK REQUIRED TO BE CONSTRUCTIBLE. <br />AND IF THE APPROACHING WALK IS INVERSE GRADE GREATER THAN 2%. <br />DIRECTION, AT THE TOP OF RAMPS THAT HAVE RUNNING SLOPES GREATER THAN 5.0%, <br />LANDINGS SHALL BE LOCATED ANYWHERE THE PEDESTRIAN ACCESS ROUTE (PAR) CHANGES <br />FAN <br />THAT THE GRADE BREAK IS PERPENDICULAR TO THE DIRECTION OF TRAVEL. (TYPICAL FOR ALL) <br />THE GRADE BREAK SHALL BE PERPENDICULAR TO THE BACK OF WALK. THIS WILL ENSURE <br />OVER V CURB TO REDUCE TRIPPING HAZARDS AND FACILITATE SNOW & ICE REMOVAL. <br />WHEN ADJACENT TO PARKING LOTS, CONCRETE OR BITUMINOUS TAPERS SHOULD BE USED <br />IF USED, SHALL BE PLACED OUTSIDE THE SIDEWALK LIMITS WHEN RIGHT OF WAY ALLOWS. <br />WHEN ADJACENT TO GRASS, GRADING SHALL ALWAYS BE USED WHEN FEASIBLE. V CURB, <br />8%-10% FLARE <br />8%-10% FLARE <br />MAX. <br />2% <br />MAX. <br />2% <br />10 <br />EVALUATED AND DEEMED IMPRACTICAL. <br />"S" SLOPES ON FANS SHALL ONLY BE USED WHEN ALL OTHER FEASIBLE OPTIONS HAVE BEEN <br />10 <br />10 <br />THE ADA SPECIAL PROVISIONS - PROSECUTION OF WORK (ADA). <br />SHALL BE CAST SEPARATELY. FOLLOW SIDEWALK REINFORCEMENT DETAILS ON SHEET 6 AND <br />TO ENSURE INITIAL RAMPS AND INITIAL LANDINGS ARE PROPERLY CONSTRUCTED, LANDINGS <br />OPERATIONS ENGINEER <br />APPROVED: JANUARY 23, 2017 <br />REVISION: <br />STATE DESIGN ENGINEER <br />1 OF 6STANDARD PLAN 5-297.250 <br />TRANSPORTATION <br />OF <br />DEPARTMENT <br />PEDESTRIAN CURB RAMP DETAILS <br /> <br />SHEET NO. OF SHEETS(CSAH 50)CITY PROJ. NO. PW-19-0106 <br />APPROVED: <br />REVISED: <br />1-23-2017 <br />
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