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Roadway Construction Standard Details ROADWAY CONSTRUCTION STANDARD DETAILS R-0001 Roadway Cross Section R-0002 Vertical Granite Curb Installation R-0003 Bituminous Berms R-0004 Wheelchair Ramp Type A R-0005 Wheelchair Ramp Type B R-0006 Wheelchair Ramp Type C R-0007 Wheelchair Ramp Type D R-0008 Wheelchair Ramp Type E R-0009 Wheelchair Ramp Type F R-0010 Wheelchair Ramp Notes R-0011 Detectable Warning Panel R-0012 Typical Sidewalk Sections R-0013 Typical Concrete Sidewalk Expansion Joints R-0014 Brick Sidewalk (Plan View) R-0015 Brick Sidewalk (Section View) R-0016 Typical Driveway Apron with Grass Strip R-0017 Typical Driveway Apron without Grass Strip R-0018 Pavement Details for Trench Restoration R-0019 Typical Steel Roadplate Installation 50' 11' 14' 14' 11' 6" 5' 6' 2' 6" LOAM & VERTICAL GRANITE 4 SEED CURB (VA-4) 1 3/8" PER FOOT 1/4" PER FOOT 4 1 SIDEWALK BIT CONC. SURFACE COURSE BIT. CONC. BINDER COURSE DENSE GRADED CRUSHED STONE GRAVEL BASE PREPARED SUBGRADE BITUMINOUS CONCRETE PAVEMENT SCHEDULE MINIMUM THICKNESS (INCH) LOCAL COLLECTOR ARTERIAL SURFACE COURSE 1.5 2 3 BINDER COURSE 2.5 4 5 DENSE GRADED CRUSHED STONE 4 4 4 GRAVEL BASE 8 8 8 PREPARED SUBGRADE - 4 4 JAN. 2015 NOT TO SCALE ROADWAY CROSS SECTION R-0001 REVISION 1 MIN. 7" REVEAL FOR FULL ROADWAY/SIDEWALK RECONSTRUCTION OR MIN. 6" REVEAL FOR MODIFICATIONS TO EXISTING ROADWAYS (EXCEPT ON BRIDGES) 6" 6" 6" LOAM AND GRASS OR SIDEWALK SURFACE COURSE VERTICAL CURB BINDER COURSE 18" DENSE GRADED CRUSHED STONE GRAVEL BASE SUBGRADE CEMENT CONCRETE LIMITS NOTES: 1. CUT NEAT LINE 6" FROM CURB LINE AND REMOVE BASE AND SUBGRADE, REPLACE WITH CEMENT CONCRETE. COVER WITH BINDER AND TOP COURSE TO CURB. 2. ANY DESIGNATED CEMENT CONCRETE THAT IS ACCEPTABLE UNDER SECTION M4 OF THE STANDARD MHD SPECIFICATIONS MAY BE USED; ALL TEST REQUIREMENTS ARE WAIVED. BITUMINOUS CONCRETE SHALL NOT BE USED AS A SUBSTITUTE. 3. VERTICAL GRANITE CURB SHALL BE SET IN 6' LENGTHS. JAN. 2015 NOT TO SCALE VERTICAL GRANITE R-0002 CURB INSTALLATION REVISION 1 JAN. 2015 NOT TO SCALE BITUMINOUS BERMS D-0003 REVISION 1 WHEELCHAIR RAMPS SHALL BE CONSTRUCTED IN CONFORMANCE WITH THE CURRENT REGULATIONS OF THE ARCHITECTURAL ACCESS BOARD, THE AMERICANS WITH DISABILITIES ACT AND THE CURRENT MASSHIGHWAY CONSTRUCTION STANDARDS. "LEVEL LANDING" 1.5%* SLOPE FOR DRAINAGE RAMP REFERENCE POINT DETECTABLE WARNING PANEL A SIDEWALK W 1.5%* 1.5%* 7.5%* WC 24" 7.5%* GRANITE CURB A PLAIN CEM. CONC. EDGE OF ROADWAY 6'-6"MIN. 5'-0" MIN. 6'-6" MIN. LEFT SIDE TRANSITION RIGHT SIDE TRANSITION 6" CURB REVEAL (TYP.) ROADWAY DOWNGRADE LIMITS OF CEMENT CONCRETE RAMP W= SIDEWALK WIDTH DETECTABLE WARNING PANEL 1.5%* ROADWAY CEMENT CONCRETE = 4" CEMENT CONCRETE = 6" SIDEWALK GRAVEL BORROW = 8" MIN. FOUNDATION SECTION A-A WHEELCHAIR RAMP TYPE A LEGEND: NOT TO SCALE HSL = HIGH SIDE TRANSITION LENGTH W = SIDEWALK WIDTH WC = CURB WIDTH 72/(5$1&()25&216758&7,21 USABLE SIDEWALK WIDTH PER AAB = W-WC USABLE SIDEWALK WIDTH PER AAB IS NOT TO BE LESS THAN 4'-0" SEE M/E 107.6.5R FOR DETAILS OF DETECTABLE WARNING PANEL JAN. 2015 NOT TO SCALE WHEELCHAIR RAMP R-0004 TYPE A REVISION 1 WHEELCHAIR RAMPS SHALL BE CONSTRUCTED IN CONFORMANCE WITH THE CURRENT REGULATIONS OF THE ARCHITECTURAL ACCESS BOARD, THE AMERICANS WITH DISABILITIES ACT AND THE CURRENT MASSHIGHWAY CONSTRUCTION STANDARDS. "LEVEL LANDING" WITH RAMP REFERENCE POINT 1.5% SLOPE FOR DRAINAGE B DETECTABLE WARNING PANEL PLAIN CEM. CONC. 4' MIN SIDEWALK W W1 1.5%* 7.5%* 7.5%* 7.5%* GRANITE CURB B 6" CURB EDGE OF ROADWAY REVEAL (SEE TABLE TO BELOW) (SEE TABLE TO BELOW) (TYP) 6'-6" MIN. 5'-0" 6'-6" MIN. LEFT SIDE TRANSITION RIGHT SIDE TRANSITION ROADWAY DOWNGRADE W= SIDEWALK WIDTH 4'-0" MIN. W1= RAMP LENGTH DETECTABLE WARNING PANEL 1.5%* 7.5%* CEMENTCEMENT CONCRETECONCRETE = 4"6" SIDEWALK ROADWAY GRAVEL BORROW = 8" MIN. FOUNDATION SECTION B-B WHEELCHAIR RAMP TYPE B NOT TO SCALE LEGEND: HSL = HIGH SIDE TRANSITION LENGTH W = SIDEWALK WIDTH W1 = PERPENDICULAR RAMP LENGTH 72/(5$1&()25&216758&7,21 USABLE SIDEWALK WIDTH PER AAB IS NOT TO BE LESS THAN 4'-0" SEE M/E 107.6.5R FOR DETAILS OF DETECTABLE WARNING PANEL JAN. 2015 NOT TO SCALE WHEELCHAIR RAMP R-0005 TYPE B REVISION 1 WHEELCHAIR RAMPS SHALL BE CONSTRUCTED IN CONFORMANCE WITH THE CURRENT REGULATIONS OF THE ARCHITECTURAL ACCESS BOARD, THE AMERICANS WITH DISABILITIES ACT, AND THE CURRENT MASSHIGHWAY CONSTRUCTION STANDARDS JAN. 2015 NOT TO SCALE WHEELCHAIR RAMP R-0006 TYPE C REVISION 1 WHEELCHAIR RAMPS SHALL BE CONSTRUCTED IN CONFORMANCE WITH THE CURRENT REGULATIONS OF THE ARCHITECTURAL ACCESS BOARD, THE AMERICANS WITH DISABILITIES ACT AND THE CURRENT MASSHIGHWAY CONSTRUCTION STANDARDS. "LEVEL LANDING" WITH 1.5% SLOPE FOR DRAINAGE DETECTABLE WARNING PANEL CL RAMP RAMP REFERENCE POINT 1.5%* 4'-0" MIN. 1.5%* SIDEWALK WIDTH W1 7.5%* 7.5%* 7.5%* GRANITE CURB (SEE TABLE TO BELOW) (SEE TABLE TO BELOW) EDGE OF ROADWAY LEFT SIDE TRANSITION 5-0" RIGHT SIDE TRANSITION 6'-6" MIN. MIN. 6'-6" MIN. 6" CURB REVEAL (TYP.) LIMITS OF CEMENT CONCRETE RAMP NOTE: FOR DETECTABLE WARNING WHEELCHAIR RAMP TYPE C PANEL DETAIL SEE STANDARD DRAWING R-5.3.6 NOT TO SCALE JAN. 2015 NOT TO SCALE WHEELCHAIR RAMP R-0007 TYPE D REVISION 1 WHEELCHAIR RAMPS SHALL BE CONSTRUCTED IN CONFORMANCE WITH THE CURRENT REGULATIONS OF THE ARCHITECTURAL ACCESS BOARD, THE AMERICANS WITH DISABILITIES ACT AND THE CURRENT MASSHIGHWAY CONSTRUCTION STANDARDS. TRANSITION LENGTH 6" REVEAL RAMP REFERENCE POINT 6'-6" MIN. 0" REVEAL EDGE OF ROADWAY DETECTABLE WARNING PANEL GRANITE CURB "LEVEL ENTRANCE" 1.5% SLOPE FOR DRAINAGE 7.5%* 1.5%* 5' MIN. 3'-3" MIN. WHEELCHAIR RAMP SIDEWALK D RAMP OPENING EDGE OF ROADWAY LIMIT OF UNALTERABLE FEATURE DETECTABLE WARNING PANEL TRANSITION LENGTH "LEVEL ENTRANCE" SIDEWALK 7.5%* 1.5%* SIDEWALK ROADWAY FOUNDATION SECTION D-DE-E CEMENTCEMENT CONCRETE CONCRETE = =4" 6" GRAVEL BORROW = 8" MIN. LEGEND: WHEELCHAIR RAMP TYPE D NOT TO SCALE HSL = HIGH SIDE TRANSITION LENGTH W = SIDEWALK WIDTH W1 = PERPENDICULAR RAMP LENGTH 72/(5$1&()25&216758&7,21 USABLE SIDEWALK WIDTH PER AAB IS NOT TO BE LESS THAN 4'-0" SEE M/E 107.6.5R FOR DETAILS OF DETECTABLE WARNING PANEL JAN. 2015 NOT TO SCALE WHEELCHAIR RAMP R-0008 TYPE E REVISION 1 WHEELCHAIR RAMPS SHALL BE CONSTRUCTED IN CONFORMANCE WITH THE CURRENT REGULATIONS OF THE ARCHITECTURAL ACCESS BOARD, THE AMERICANS WITH DISABILITIES ACT AND THE CURRENT MASSHIGHWAY CONSTRUCTION STANDARDS. 0" REVEAL 3/4" REVEAL 6" REVEAL RAMP REFERENCE POINT 4'-0" 6'-6" MIN. DETECTABLE WARNING PANEL MIN. TRANSITION L1 MAJOR ROADWAY LANDING / TURNING AREA 1.5%** LEVEL W/ STREET 7.5%** W1 5'-6" MIN. SIDEWALK 5'-0" PLAIN CEM. CONC. 0" REVEAL BUILDING OR OTHER UNALTERABLE CONDITION 7.5%** 6'-6" MIN. TRANSITION L2 MINOR ROADWAY 6" REVEAL 5'-6" MIN. W2 SIDEWALK WHEELCHAIR RAMP TYPE E NOT TO SCALE JAN. 2015 NOT TO SCALE WHEELCHAIR RAMP R-0009 TYPE F REVISION 1 1. ROADWAY SIDEWALK CROSS SLOPES, FOR BRICK, CEMENT CONCRETE, AND BITUMINOUS CONCRETE, AS INDICATED IN 7+(&216758&7,2167$1'$5'6:,//%($&216758&7,2172/(5$1&(2),6$&&(37$%/(2152$':$< SIDEWALKS. SIDEWALKS ON BRIDGES WILL BE CONSTRUCTED TO A CROSS SLOPE OF 1.0% IN ACCORD WITH MASSDOT BRIDGE POLICY. IN ACCORDANCE WITH 521 CMR THE RULES AND REGULATIONS OF THE ARCHITECTURAL ACCESS BOARD (AAB), THE SIDEWALK CROSS SLOPE CANNOT EXCEED 2.0%. 2. AN UNOBSTRUCTED PATH OF TRAVEL WITH A MINIMUM WIDTH OF 3'-3" (PREFERED MINIMUM WIDTH OF 5'-0" FOR SIDEWALK MAINTENANCE) SHALL BE MAINTAINED PAST ALL OBSTRUCTIONS (UTILITY POLES, SIGNS, SIGNAL FOUNDATIONS, MASTS, MAILBOXES, ALONG DRIVE OPENINGS, ETC.). 3. THE WHEELCHAIR RAMP SLOPES AND SIDE SLOPES (TRANSITIONS) WILL BE MAXIMUM OF 7.5% WITH A CONSTRUCTION 72/(5$1&(2)+2:(9(57+(6(6/23(60$<%()/$77(5:+(1:$55$17('%<6855281',1*&21',7,216 4. WHERE THE ROADWAY PROFILE EXCEEDS 4%, THE HIGH SIDE TRANSITION LENGTH UNDER ANY CONDITIONS NEED NOT EXCEED 15'-0". 5. IN NO CASE WHERE A STOP LINE IS WARRANTED, SHALL A RAMP BE PLACED ON THE TRAFFIC APPROACH SIDE OF THAT STOP LINE. 6. FIXED OBJECTS (I.E. UTILITY POLES, HYDRANTS, SIGNS, SIGNAL FOUNDATIONS, ETC.) MUST NOT ENCROACH ON ANY PART OF THE WHEELCHAIR RAMP INCLUDING TRANSITION SLOPES. 7. AT NO TIME IS ANY PART OF THE WHEELCHAIR RAMP, EXCLUDING CURB TRANSITIONS TO BE LOCATED OUTSIDE THE CROSSWALK. THE WHEELCHAIR RAMP ENTRANCE IS TO BE CENTERED IN THE CROSSWALK WHENEVER POSSIBLE. 8. CATCH BASINS WHICH ARE TO BE LOCATED IN THE VICINITY OF A WHEELCHAIR RAMP SHALL BE LOCATED UPGRADE OF THE RAMP ENTRANCE. 9. THE ENTRANCE OF A WHEELCHAIR RAMP SHALL BE FLUSH WITH THE ROADWAY. 10. TESTING SURFACE: WHEN TESTING WITH A STRAIGHTEDGE PLACED PARALLEL TO THE LINE OF THE SLOPE THERE SHALL 1 BE NO DEVIATION FROM A TRUE SURFACE IN EXCESS OF 4". 11. WHEELCHAIR RAMPS ON BRIDGES SHOULD BE AVOIDED. IF A WHEELCHAIR RAMP IS REQUIRED TO BE PLACED ON A BRIDGE, PRIOR WRITTEN APPROVAL IS REQUIRED. SPECIAL DETAILING OF THE REINFORCEMENT AND CURB SYSTEM WILL BE REQUIRED TO MAINTAIN THE PREFORMANCE OF THE RAILING/BARRIER SYSTEM. CURB TRANSITION LENGTH FOR WHEELCHAIR RAMPS *HIGH SIDE TRANSITION *HIGH SIDE TRANSITION ROADWAY PROFILE GRADE LENGTH (HST) 6" REVEAL LENGTH (HST) 7" REVEAL % 0 6'-6" 7'-8" > 0 TO 1 7'-8" 9'-0" > 1 TO 2 9'-0" 10'-8" > 2 TO 3 11'-0" 12'-10" > 3 TO 4 14'-0" 16'-0" > 4 15'-0" MAX 17'-0" MAX * BASED ON A DESIGN SLOPE OF 7.5%.
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