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417 <br />6" CONCRETE WALK <br />AGGREGATE BASE <br />3" MINIMUM CLASS 5 <br />WITHIN INTERSECTION CORNER <br />TYPICAL SIDEWALK SECTION <br />7 <br />NON-WALKABLE SURFACE <br />1 <br />1 <br />1 <br />3 <br />4 <br />6 <br />7 <br />8 <br />5' MAX <br />9 <br /> COMBINED DIRECTIONAL <br />RAMP <br />ADJACENT BACK OF CURB. <br />TRANSITION, PAVE CONCRETE RAMP WIDTH TO <br />LESS THAN 2' IN WIDTH AT TOP OF CURB <br />IF NON-CONCRETE BLVD. IS CONSTRUCTED AND IS <br />10 <br />10 <br />11 <br />SECTION D-D <br /> <br />GUTTER SLOPE <br />2.0%-3.0% <br />CURB FOR DIRECTIONAL RAMPS <br />RAMP <br />WALKABLE SURFACE <br />NON-WALKABLE OR <br />BACK OF CURB <br />FRONT OF GUTTER <br />FLOW LINE <br />D <br />D <br />14 <br />7 <br />S <br />6" CONCRETE WALK <br />VAR. RAMP <br />TOP OF CURB SHALL MATCH PROPOSED ADJACENT WALK GRADE. <br />WHEN THE LONGITUDINAL SLOPE IS GREATER THAN 5.0%. <br />SECONDARY CURB RAMP LANDINGS ARE REQUIRED FOR EVERY 30" OF VERTICAL RISE <br />NOTES: <br />13 <br />IN ALL DIRECTIONS <br />MAX. 2.0% SLOPE <br />RAMP <br />13 <br />13 <br />13 <br />13 <br />BREAK <br />GRADE <br />9 <br />11 <br />IN ALL DIRECTIONS <br />MAX. 2.0% SLOPE <br />BREAK <br />GRADE <br />1 <br />1 <br />1 <br />PLACE DOMES AT THE BACK OF CURB WHEN ALLOWABLE SETBACK CRITERIA IS EXCEEDED. <br />5' MAX <br />BACK OF CURB <br />FRONT OF GUTTER <br />FLOW LINE <br />F <br />F 7.0' PREFERRED <br />MINI <br />MU <br />M 5.5'S <br />5 <br />SURFACE <br />WALKABLE <br />SURFACE <br />NON-WALKABLE <br />2' MAX <br />4 <br />2.0% MAX <br />1.0% MIN. <br />1 <br />SETBACK CRITERIA IS EXCEEDED <br />DETECTABLE WARNING PLACEMENT WHEN <br />12 12 <br />2 <br />4" HIGH CURB WHEN USING A 4' LONG RAMP. <br />3" HIGH CURB WHEN USING A 3' LONG RAMP <br />10 <br />10 <br />9 <br />2 <br />2 <br />3 <br />7 <br />7 <br />STANDARD ONE-WAY DIRECTIONAL <br />WARNING AT BACK OF CURB <br />ONE-WAY DIRECTIONAL WITH DETECTABLE <br />11 <br />5 <br />RAMP <br />6 <br />WALKABLE SURFACE, DIRECTIONAL RAMP FLARES SHOULD BE USED. SEE THE DETAIL ON THIS SHEET. <br />WHEN USING CONCRETE PAVED FLARES ON THE OUTSIDE OF DIRECTIONAL RAMPS, AND ADJACENT TO A <br />S <br />MATCH FULL CURB HEIGHT. <br />THUS BOTH SIDES OF A SLOPED WALKING SURFACE MUST BE EQUAL LENGTH. <br />ALL GRADE BREAKS WITHIN THE PAR SHALL BE PERPENDICULAR TO THE PATH OF TRAVEL. <br />1 <br />1 <br />0" <br />0" <br />4" PREFERRED (7' MIN. DISTANCE REQUIRED BETWEEN DOMES). <br />3" MINIMUM CURB HEIGHT (5.5' MIN. DISTANCE REQUIRED BETWEEN DOMES) <br />DIRECTIONAL RAMP WALKABLE FLARE <br />8% TO 10% SLOPE <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 />8 <br />8 <br />TO BE USED FOR ALL DIRECTIONAL RAMPS, EXCEPT WHERE DOMES ARE PLACED ALONG THE BACK OF CURB.14 <br />SHOULD BE USED OVER V CURB TO REDUCE TRIPPING HAZARDS AND FACILITATE SNOW & ICE REMOVAL. <br />LIMITS WHEN RIGHT OF WAY ALLOWS. WHEN ADJACENT TO PARKING LOTS, CONCRETE OR BITUMINOUS TAPERS <br />GRADING SHALL ALWAYS BE USED WHEN FEASIBLE. V CURB, IF USED, SHALL BE PLACED OUTSIDE THE SIDEWALK <br />8% TO 10% WALKABLE FLARE. <br />0" <br />0" <br />0" <br />0" <br />0" <br />0" <br />0" <br />0" <br />0" <br />JOINTS SHALL BE USED AT THE TOP GRADE BREAK OF CONCRETE FLARES ADJACENT TO WALKABLE SURFACES. <br />CONTRACTION JOINTS SHALL BE CONSTRUCTED ALONG ALL GRADE BREAKS WITHIN THE PAR. 1/4" DEEP VISUAL <br />ALL RAMP TYPES SHOULD HAVE A MINIMUM 3' LONG RAMP LENGTH. <br />0" <br />REVISION: <br />RAMPS. IF THIS OCCURS MODIFY THE RAMP LOCATION OR SWITCH RAMP TO A FAN/DEPRESSED CORNER. <br />THE "BUMP" IN BETWEEN THE RAMPS SHOULD NOT BE IN THE PATH OF TRAVEL FOR COMBINED DIRECTIONAL <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/PATH WIDTH. ARC <br />WARNING TO COVER ENTIRE WIDTH OF SHARED-USE PATH 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 />AND HELPS ELIMINATE THE CURB TAPER OBSTRUCTING THE PATH OF PEDESTRIAN TRAVEL. <br />WARNINGS SHALL COVER THE ENTIRE WIDTH OF THE WALK/PATH. THIS ENSURES A DETECTABLE EDGE <br />FOR DIRECTIONAL RAMPS WITH THE DETECTABLE WARNINGS PLACED AT THE BACK OF CURB, THE DETECTABLE <br />10 <br />S <br />F <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 />CURB HEIGHTX" <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 />LEGEND <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 />AND IF THE APPROACHING WALK IS INVERSE GRADE. <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 />11SEE NOTES & FOR INFORMATION REGARDING RECTANGULAR DETECTABLE WARNING PLACEMENT. <br />RADIAL DETECTABLE WARNINGS SHALL BE SETBACK 3" MINIMUM TO 6" MAXIMUM FROM THE BACK OF CURB. <br />THE ADA SPECIAL PROVISION (PROSECUTION OF WORK). <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 />CONSTRUCTED INTEGRAL WITH CURB AND GUTTER. <br />MAX. 2.0% SLOPE IN ALL DIRECTIONS IN FRONT OF GRADE BREAK AND DRAIN TO FLOW LINE. SHALL BE <br />SET 3" FROM BACK OF CURB. IF 9" SETBACK IS EXCEEDED USE RADIAL DETECTABLE WARNINGS. <br />RECTANGULAR DETECTABLE WARNINGS MAY BE SETBACK UP TO 9" FROM THE BACK OF CURB WITH CORNERS <br />MAINTAIN 3" BETWEEN EDGE OF DOMES AND EDGE OF CONCRETE. <br />THE CONCRETE WALK SHALL BE FORMED AND CONSTRUCTED PERPENDICULAR TO THE BACK OF CURB. <br />IMPAIRED. <br />WITHOUT RAISED OBSTACLES THAT COULD MISTAKENLY BE TRAVERSED BY A USER WHO IS VISUALLY <br />BACK OF CURB. A WALKABLE SURFACE IS DEFINED AS A PAVED SURFACE ADJACENT TO A CURB RAMP <br />SURFACE, AND 5' MAXIMUM WHEN ADJACENT TO NON-WALKABLE SURFACE WITH ONE CORNER SET 3" FROM <br />FRONT EDGE OF DETECTABLE WARNING SHALL BE SET BACK 2' MAXIMUM WHEN ADJACENT TO WALKABLE <br />OPERATIONS ENGINEER <br />APPROVED: JANUARY 23, 2017 <br />REVISION: <br />STATE DESIGN ENGINEER <br />2 OF 6STANDARD PLAN 5-297.250 <br />TRANSPORTATION <br />OF <br />DEPARTMENT <br />PEDESTRIAN CURB RAMP DETAILS <br />SHEET NO. OF SHEETS(CSAH 50)CITY PROJ. NO. PW-19-0106 <br />APPROVED: <br />REVISED: <br />1-23-2017 <br /> Model:250-2 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.tbl