ADAramp - Mississippi Department of Transportation

STATEPROJECT NO.BUFFERZONESIDEWALKBUFFERZONESIDEWALKSIDEWALK1.MISS.NOTES:FOR DIMENSIONS & GEOMETRIC VALUES REFER TO SHEET1 OF 4.2.THE CONFIGURATIONS SHOWN GENERICALLY REPRESENTCROSSWALKBUILDING OR OTHERSTRUCTURECURB RAMPCURB RAMPTHE MOST COMMON SITUATIONS ENCOUNTERED. THEY AREINTENDED TO PRESENT CURB RAMP DESIGN CONCEPTS.SITE CONDITIONS AT INDIVIDUAL LOCATIONS REQUIRESPECIFIC DESIGNS. CURB RAMP DESIGNS MUST BECONSISTENT WITH THE PROVISIONS OF SHEETS 1, 2, AND 3TURNINGOF 4.SPACESIDEWALKCROSSWALKTURNINGSPACESIDEWALKCROSSWALKTURNINGSPACE3.COORDINATE TRAFFIC CONTROL DEVICES, UTILITYLOCATIONS, SIGNS, STREET FURNITURE AND DRAINAGE TOENSURE A CONTINUOUS PEDESTRIAN ACCESS ROUTE ATALL CURB RAMP LOCATIONS. GUIDANCE FOR CROSSWALKSIDE FLARE (REFER TOSHEET 1 OF 4, NOTE 13)BUFFERZONECURB RAMPBUFFERZONECURB RAMP4.MARKINGS AND TRAFFIC CONTROL DEVICES IS PROVIDED INTHE MUTCD.DETECTABLE WARNINGS SHOWN ON THIS SHEET ARE FORILLUSTRATION ONLY. FOR SPECIFIC PLACEMENTORIENTATIONS AND DIMENSIONS REFER TO SHEET 4 OF 4.5.THE CROSS SLOPE OF CURB RAMPS, BLENDED TRANSITIONS,TURNINGSPACETURNINGSPACESIDEWALKAND TURNING SPACES SHALL BE 2% MAXIMUM (1.5%PREFERRED). AT PEDESTRIAN STREET CROSSINGS WITHOUTYIELD OR STOP CONTROL AND AT MIDBLOCK PEDESTRIANSTREET CROSSINGS, THE CROSS SLOPE SHALL BEPERMITTED TO EQUAL THE STREET OR HIGHWAY GRADE.CROSSWALKCROSSWALK6.DIAGONAL CURB RAMPS ARE UNACCEPTABLE IN NEWCONSTRUCTION. THEY MAY BE USED FOR ALTERATIONSONLY IF IT IS THE ONLY OPTION THAT WILL WORK.7.GRATES SHALL NOT BE LOCATED ON CURB RAMPS,BLENDED TRANSITIONS, TURNING SPACES, OR LANDINGS.ACCESS COVERS OF SIMILAR SURFACES SHALL COMPLYWITH APPLICABLE SURFACE REQUIREMENTS.CROSSWALK8.UTILITIES, SIGNS, AND OTHER FIXED OBJECTS SHALL NOTBE PLACED ON A CURB RAMP, PEDESTRIAN ACCESS ROUTE,OR IN A MANNER THAT INTERFERES WITH THE USE OFPLANROADWAY DESIGN DIVISIONMISSISSIPPI DEPARTMENT OF TRANSPORTATIONBUFFER ZONESIDEWALKCURB RAMP CONFIGURATION: TYPE ASIDEWALKCURB RAMPCURB RAMP CONFIGURATION: TYPE BSIDEWALKBUFFERZONECURB RAMP CONFIGURATION: TYPE CSIDEWALKBUFFERZONETHE CURB RAMP.9. THE SURFACE OF ALL CURB RAMPS SHALL BE STABLE,FIRM, AND SLIP RESISTANT. A COARSE BROOM FINISHRUNNING PERPENDICULAR TO THE SLOPE IS RECOMMENDEDON CONCRETE RAMP SURFACES, EXCLUSIVE OF THEDETECTABLE WARNING FIELDS.10. THERE SHALL BE A CLEAR SPACE AT THE BOTTOM OFTHE ALTERNATE PERPENDICULAR RETURNED CURB RAMP. ITSHALL SLOPE TO DRAIN RUNOFF TO STREET/GUTTER ANDHAVE A MAXIMUM SLOPE OF 2% (1.5% PREFERRED).11. TURNING SPACES MAY OVERLAP WITH ADJACENT TURNINGSPACES OR A SINGLE TURNING SPACE MAY SERVEMULTIPLE CURB RAMPS.12. TURNING SPACES MAY OVERLAP WITH THE CLEAR GROUNDSPACE REQUIRED AT PEDESTRIAN SIGNAL PUSH BUTTONS.13. THE CLEAR WIDTH OF PEDESTRIAN ACCESS ROUTES WITHINMEDIANS AND PEDESTRIAN REFUGE ISLANDS SHALL BE 5’CURB RAMPMINIMUM.14. BEYOND THE BOTTOM GRADE BREAK, A CLEAR SPACE OF 4’CURB RAMPCURB (OPTIONAL)MINIMUM BY 4’ MINIMUM SHALL BE PROVIDED WITHIN THEWIDTH OF THE PEDESTRIAN STREET CROSSING ANDWHOLLY OUTSIDE THE PARALLEL VEHICLE TRAVEL LANE.CLEAR SPACE(SEE NOTE 10)TURNINGSPACECROSSWALKTURNINGSPACECROSSWALKCURBRAMPCURB RAMPCURBRAMPCLEAR SPACECROSSWALK(SEE NOTE 10)SIDEWALKBUFFERZONENOTE: REFER TO SHEET 4 OF 4, FORDETECTABLE WARNING DIMENSIONSAND PLACEMENT ORIENTATION.12/9/2013 9:31 AM SDCCR.dgnCURB RAMP CONFIGURATION: TYPE DCROSSWALKCURB RAMP CONFIGURATION: TYPE ECURB RAMP CONFIGURATION: TYPE FSIDEWALKBUFFERZONECURB RAMP CONFIGURATION: TYPE GMID BLOCK CROSSINGTHE CURB BEHIND THE TURNING SPACE AND RAMPS ISNOT REQUIRED, BUT IS SUGGESTED FOR RETAINING SOILAND PROVIDING AN EDGE FOR PEDESTRIANS WITHVISUAL IMPAIRMENTS.DATE REVISION BYMISSISSIPPI DEPARTMENT OF TRANSPORTATIONCURB RAMPSPLACEMENT DETAILSSHEET 2 OF 4FILENAME: SDCCR.DGNDESIGN TEAM CHECKED DATE 12/6/13DEPARTMENT OFM ITRANSPORTATI O NSSISSIPP IWORKING NUMBERSDCCR-2SHEET NUMBER$PG$

R 1595.4’5’ (MIN.)(SEE NOTE 13)STATEPROJECT NO.MISS.NOTES:CURB RAMPCURB (OPTIONAL)SIDEWALKTURNINGSPACECROSSWALK(SEE NOTE 13)5’ (MIN.)ROADWAYRAISEDISLANDCUT-THROUGHPEDESTRIAN REFUGEISLAND(GRADE TO DRAIN)(SEE NOTE 13)RAISEDISLAND5’ (MIN.)RAISEDISLAND(SEE NOTE 13)RIGHT TURN LANEBUFFERZONE4’ (MIN.)SIDEWALKBLENDEDTRANSITIONCURB RAMPSIDEWALKBUFFERZONE1.2.3.4.5.FOR DIMENSIONS & GEOMETRIC VALUES REFER TO SHEET1 OF 4.THE CONFIGURATIONS SHOWN GENERICALLY REPRESENTTHE MOST COMMON SITUATIONS ENCOUNTERED. THEY AREINTENDED TO PRESENT CURB RAMP DESIGN CONCEPTS.SITE CONDITIONS AT INDIVIDUAL LOCATIONS REQUIRESPECIFIC DESIGNS. CURB RAMP DESIGNS MUST BECONSISTENT WITH THE PROVISIONS OF SHEETS 1, 2, AND 3OF 4.COORDINATE TRAFFIC CONTROL DEVICES, UTILITYLOCATIONS, SIGNS, STREET FURNITURE AND DRAINAGE TOENSURE A CONTINUOUS PEDESTRIAN ACCESS ROUTE ATALL CURB RAMP LOCATIONS. GUIDANCE FOR CROSSWALKMARKINGS AND TRAFFIC CONTROL DEVICES IS PROVIDED INTHE MUTCD.DETECTABLE WARNINGS SHOWN ON THIS SHEET ARE FORILLUSTRATION ONLY. FOR SPECIFIC PLACEMENTORIENTATIONS AND DIMENSIONS REFER TO SHEET 4 OF 4.THE CROSS SLOPE OF CURB RAMPS, BLENDED TRANSITIONS,AND TURNING SPACES SHALL BE 2% MAXIMUM (1.5%PREFERRED). AT PEDESTRIAN STREET CROSSINGS WITHOUTYIELD OR STOP CONTROL AND AT MIDBLOCK PEDESTRIANSTREET CROSSINGS, THE CROSS SLOPE SHALL BEPERMITTED TO EQUAL THE STREET OR HIGHWAY GRADE.CURB RAMPREFER TO SHEET 1OF 4, NOTE 8CROSSWALK6.7.DIAGONAL CURB RAMPS ARE UNACCEPTABLE IN NEWCONSTRUCTION. THEY MAY BE USED FOR ALTERATIONSONLY IF IT IS THE ONLY OPTION THAT WILL WORK.GRATES SHALL NOT BE LOCATED ON CURB RAMPS,BLENDED TRANSITIONS, TURNING SPACES, OR LANDINGS.ACCESS COVERS OF SIMILAR SURFACES SHALL COMPLYWITH APPLICABLE SURFACE REQUIREMENTS.PLANROADWAY DESIGN DIVISIONMISSISSIPPI DEPARTMENT OF TRANSPORTATIONSIDEWALKCURB RAMP CONFIGURATION: TYPE HCURB RAMP CONFIGURATION: TYPE IRIGHT TURN ISLAND CUT THROUGHSIDEWALKCURB RAMP CONFIGURATION: TYPE JNOT RECOMMENDED8. UTILITIES, SIGNS, AND OTHER FIXED OBJECTS MAY NOT BEPLACED ON A CURB RAMP, PEDESTRIAN ACCESS ROUTE, ORIN A MANNER THAT INTERFERES WITH THE USE OF THECURB RAMP.9. THE SURFACE OF ALL CURB RAMPS SHALL BE STABLE,FIRM, AND SLIP RESISTANT. A COARSE BROOM FINISHRUNNING PERPENDICULAR TO THE SLOPE IS RECOMMENDEDON CONCRETE RAMP SURFACES, EXCLUSIVE OF THEDETECTABLE WARNING FIELDS.10. THERE SHALL BE A CLEAR SPACE AT THE BOTTOM OFTHE ALTERNATE PERPENDICULAR RETURNED CURB RAMP. ITSHALL SLOPE TO DRAIN RUNOFF TO STREET/GUTTER ANDHAVE A MAXIMUM SLOPE OF 2% (1.5% PREFERRED).11. TURNING SPACES MAY OVERLAP WITH ADJACENT TURNINGSPACES OR A SINGLE TURNING SPACE MAY SERVEMULTIPLE CURB RAMPS.12. TURNING SPACES MAY OVERLAP WITH THE CLEAR GROUNDSPACE REQUIRED AT PEDESTRIAN SIGNAL PUSH BUTTONS.13. THE CLEAR WIDTH OF PEDESTRIAN ACCESS ROUTES WITHINMEDIANS AND PEDESTRIAN REFUGE ISLANDS SHALL BE 5’MINIMUM.CURB RAMPTURNINGSPACE14. BEYOND THE BOTTOM GRADE BREAK, A CLEAR SPACE OF 4’MINIMUM BY 4’ MINIMUM SHALL BE PROVIDED WITHIN THEWIDTH OF THE PEDESTRIAN STREET CROSSING ANDWHOLLY OUTSIDE THE PARALLEL VEHICLE TRAVEL LANE.BLENDEDTRANSITION4’ (MIN.)SIDEWALK4’ (MIN.)SIDE FLARE (REFER TOSHEET 1 OF 4, NOTE 13)NOTE: REFER TO SHEET 4 OF 4, FORDETECTABLE WARNING DIMENSIONSAND PLACEMENT ORIENTATION.12/9/2013 9:31 AM SDCCR.dgnREFER TO SHEET 1CROSSWALKOF 4, NOTE 8CURB RAMP CONFIGURATION: TYPE KNOT RECOMMENDEDCROSSWALKCURB RAMP CONFIGURATION: TYPE LNOT RECOMMENDEDREFER TO NOTE 6DATE REVISION BYMISSISSIPPI DEPARTMENT OF TRANSPORTATIONCURB RAMPSPLACEMENT DETAILSSHEET 3 OF 4FILENAME: SDCCR.DGNDESIGN TEAM CHECKED DATE 12/6/13DEPARTMENT OFM ITRANSPORTATI O NSSISSIPP IWORKING NUMBERSDCCR-3SHEET NUMBER$PG$

STATEPROJECT NO.MISS.NOTES:1.THE DETAILS PROVIDED ARE NOT DRAWN TO SCALE. THE QUANTITY OFDOMES DEPICTED ON THE DETECTABLE WARNING UNIT (THE DOMES ANDTHE ENTIRE 2’ LEVEL SURFACE) IS FOR ILLUSTRATION ONLY.GREATER THAN 5’GRADE BREAKPEDESTRIAN GATEDETECTABLE WARNING UNIT DIMENSIONS:2.DETECTABLE WARNING SURFACES SHALL EXTEND 2’ MINIMUM IN THEDIRECTION OF PEDESTRIAN TRAVEL. AT CURB RAMPS AND BLENDEDTRANSITIONS, DETECTABLE WARNING SURFACES SHALL EXTEND THECURB RAMPGRADE BREAKSEE NOTE 10IF LESS THAN 2’-0"OMIT DETECTABLEWARNINGS(SEE NOTE 9)FULL WIDTH OF THE RAMP RUN (EXCLUDING ANY FLARED SIDES),BLENDED TRANSITION, OR TURNING SPACE. AT PEDESTRIAN AT-GRADERAIL CROSSINGS NOT LOCATED WITHIN A STREET OR HIGHWAY,DETECTABLE WARNINGS SHALL EXTEND THE FULL WIDTH OF THECROSSING. AT BOARDING PLATFORMS FOR BUSES AND RAIL VEHICLES,DETECTABLE WARNING SURFACES SHALL EXTEND THE FULL LENGTH OFTHE PUBLIC USE AREAS OF THE PLATFORM. AT BOARDING ANDALIGHTING AREAS AT SIDEWALK OR STREET LEVEL TRANSIT STOPS FORRAIL VEHICLES, DETECTABLE WARNING SURFACES SHALL EXTEND THEFULL LENGTH OF THE TRANSIT STOP.GRADE TODRAINDOME ALIGNMENT:3.THE ROWS OF DOMES SHALL BE ALIGNED TO BE PERPENDICULAR ORRAILROAD TRACKSRADIAL TO THE GRADE BREAK AT THE RAMP LANDING OR BETWEEN THECURB RAMP AND THE STREET.DETECTABLE WARNING PLACEMENT DETAIL 14.WHERE DOMES ARE ARRAYED RADIALLY THEY MAY DIFFER IN DOMEDIAMETER AND CENTER-TO-CENTER SPACING WITHIN THE RANGESNOTE: IF THE DISTANCE FROM THE GRADE BREAK ISSPECIFIED ON THIS SHEET.GREATER THAN OF EQUAL TO 5’, DETECTABLE WARNINGSSHALL BE PLACED ALONG THE RADIUS OF THE CURVECOLOR REQUIREMENTS:AS SHOWN IN THE ABOVE DETAIL.5.DETECTABLE WARNING SURFACES SHALL CONTRAST VISUALLY WITHADJACENT GUTTER, STREET OR HIGHWAY, OR PEDESTRIAN ACCESS ROUTESURFACE, EITHER LIGHT-ON-DARK OR DARK-ON-LIGHT.SEE NOTE 10DETECTABLE WARNINGS AT MEDIAN ISLANDSNON-ELEVATED CROSSING6.DETECTABLE WARNINGS LOCATIONS:ON PERPENDICULAR CURB RAMPS, WHERE THE ENDS OF THE BOTTOMGRADE BREAK ARE IN FRONT OF THE BACK OF CURB, DETECTABLEWARNING SURFACES SHALL BE PLACED AT THE BACK OF CURB. WHERETHE ENDS OF THE BOTTOM GRADE BREAK ARE BEHIND THE BACK OFPLANROADWAY DESIGN DIVISIONMISSISSIPPI DEPARTMENT OF TRANSPORTATION5’ OR LESSCURB RAMPGRADE BREAKSIDEWALKDETECTABLE WARNINGS AT RAILROAD CROSSING2’1.6" - 2.4"1.6" - 2.4"0.65" MIN.50% - 65% OF BASE DIAMETER7.8.CURB AND THE DISTANCE FROM EITHER END OF THE BOTTOM GRADEBREAK TO THE BACK OF CURB IS 5’ OR LESS, DETECTABLE WARNINGSURFACES SHALL BE PLACED ON THE RAMP RUN WITHIN ONE DOMESPACING OF THE BOTTOM GRADE BREAK. WHERE THE ENDS OF THEBOTTOM GRADE BREAK ARE BEHIND THE BACK OF CURB AND THEDISTANCE FROM EITHER END OF THE BOTTOM GRADE BREAK TO THEBACK OF CURB IS MORE THAN 5’, DETECTABLE WARNING SURFACESSHALL BE PLACED ON THE LOWER LANDING AT THE BACK OF CURB.ON PARALLEL CURB RAMPS, DETECTABLE WARNING SURFACES SHALL BEPLACED ON THE TURNING SPACE AT THE FLUSH TRANSITION BETWEENTHE STREET AND SIDEWALK.ON BLENDED TRANSITIONS, DETECTABLE WARNING SURFACES SHALL BEPLACED AT THE BACK OF CURB. WHERE RAISED PEDESTRIAN STREETCROSSINGS, DEPRESSED CORNERS, OR OTHER LEVEL PEDESTRIAN STREETCROSSINGS ARE PROVIDED, DETECTABLE WARNING SURFACES SHALL BEPLACED AT THE FLUSH TRANSITION BETWEEN THE STREET AND THEGRADE BREAKSIDEWALK0.65" MIN.0.9" - 1.4"0.2"9.SIDEWALK.AT CUT-THROUGH PEDESTRIAN REFUGE ISLANDS, DETECTABLE WARNINGSURFACES SHALL BE PLACED AT THE EDGES OF THE PEDESTRIANDETECTABLE WARNING PLACEMENT DETAIL 2CURB RAMPDOME SPACINGDOME SECTIONISLAND AND SHALL BE SEPARATED BY A 2’ MINIMUM LENGTH OFSURFACE WITHOUT DETECTABLE WARNINGS.NOTE: IF THE DISTANCE FROM THE GRADE BREAK ISLESS THAN OR EQUAL TO 5’, DETECTABLE WARNINGSSHALL BE PLACED ON THE CURB RAMP ALONG THE BOTTOMGRADE BREAK WITH ONE CORNER 5" TO 9" FROM THEFRONT OF THE CURB OR EDGE OF THE ROADWAY.DOME (TYP.) (SEE NOTE 1)10. AT PEDESTRIAN AT-GRADE RAIL CROSSINGS NOT LOCATED WITHIN ASTREET OR HIGHWAY, DETECTABLE WARNING SURFACES SHALL BEPLACED ON EACH SIDE OF THE RAIL CROSSING. THE EDGE OF THEDETECTABLE WARNING SURFACE NEAREST THE RAIL CROSSING SHALLBE 6’ MINIMUM AND 15’ MAXIMUM FROM THE CENTERLINE OF THENEAREST RAIL. WHERE PEDESTRIAN GATES ARE PROVIDED, DETECTABLEWARNING SURFACES SHALL BE PLACED ON THE SIDE OF THE GATESOPPOSITE THE RAIL.11.AT BOARDING PLATFORMS FOR BUSES AND RAIL VEHICLES, DETECTABLEWARNING SURFACES SHALL BE PLACED AT THE BOARDING EDGE OF THESIDEWALKCURB RAMPPLATFORM.GRADE BREAK12. AT BOARDING AND ALIGHTING AREAS AT SIDEWALK OR STREET LEVELTRANSIT STOPS FOR RAIL VEHICLES, DETECTABLE WARNING SURFACESSIDE FLARES CURB RAMP DOMES (TYP.) (SEE NOTE 1)BLENDEDTRANSITIONSIDEWALK24"SHALL BE PLACED AT THE SIDE OF THE BOARDING AND ALIGHTINGAREA FACING THE RAIL VEHICLES.12/9/2013 9:31 AM SDCCR.dgn2’ (TYP.) (SEE NOTE 2)SEE NOTE 6FULL RAMP WIDTH (TYP.)(SEE NOTE 2)DETECTABLE WARNING AT CURB RAMPDOME CONFIGURATION(SEE NOTES 3 AND 4)DETECTABLE WARNING AT BLENDED TRANSITION (CONFIGURATION: TYPES K AND J)EDGE OF WARNING FIELDDETECTABLE WARNING LAYOUTDATE REVISION BYMISSISSIPPI DEPARTMENT OF TRANSPORTATIONCURB RAMPSDETECTABLE WARNINGDETAILSSHEET 4 OF 4FILENAME: SDCCR.DGNDESIGN TEAM CHECKED DATE 12/6/13DEPARTMENT OFM ITRANSPORTATI O NSSISSIPP IWORKING NUMBERSDCCR-4SHEET NUMBER$PG$