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1341 . 0432 ADAAG 4 . 8 : RAMPS , 1341 . 0432 , Subpart 4, Item A. ADAAG 4. 8 .4( 1 ) :
1341 . 0432 , Subpart 1 . ADAAG 4 . 8 . 1 : General . The landing shall be at least as wide as the ramp run
Any part of an accessible route with a slope greater leading to it .
than 1 : 20 shall be considered a ramp and shall comply 1341 . 0432 , Subpart 4, Item B . ADAAG 4. 8 .4(2) :
with this part . o g 1, The landing length shall be a minimum of 60 inches
1341 . 0432 , Subpart 2 . ADAAG 4 . 8 . 2 : Slope ( 1 , 525 mm ) clear .
and rise . The least possible slope shall be used for 1341 .0432 , Subpart 4, Item C . ADAAG 4. 8 .4(3) :
any ramp . The maximum slope of a ramp in new If ramps change direction at landings , the minimum
� lo
construction shall be1�1 12 he maximum rise for any landing size shall be 60 inches ( 1 , 525 mm ) by 60
run shall be 30 inches (760 mm ) . See Figure 16 . inches ( 1 , 525 mm ) .
Curb ramps and ramps to be constructed in existing 1341 .0432 , Subpart 4, Item D. ADAAG 4.8 .4(4) :
buildings or facilities may have slopes and rises as If a doorway is located at a landing , then the area in
allowed in part 1431 . 0411 , subpart 3 , item A, if space front of the doorway shall comply with part 1341 . 0442 ,
limitations prohibit the use of a 1 : 12 slope or less . subpart 6 .
1341 . 0432 , Subpart 5 . ADAAG 4 . 8 . 5 :
Level Landing - Handralls . A ramp run that has a rise greater than six
�� Surface of Ram Level Landing inches ( 150 mm ) or a horizontal projection greater than
N 72 inches ( 1 , 830 mm ) shall have handrails on both
lN sides . Handrails are not required on curb ramps or
Horizontal projection or Run I adjacent to seating in assembly areas . Handrails shall
comply with part 1341 . 0468 and shall have the
Maximum Rise Maximum Horizontal Proie lion features in items A to G .
Slope in mm it In 1341 . 0432 , Subpart 5, Item A. ADAAG 4. 8 . 5(1 ) :
1 : 12 to < , ; , 6 30 760 30 s I-landrails shall be provided along both sides of ramp
1 : 16 to < 1 :20 30 760 no 12 segments . The inside handrail on switchback or
dogleg ramps shall always be continuous .
Fig. 16 1341 . 0432 , Subpart 5 , Item B . ADAAG 4. 8 . 5(2) :
Components of a Single Ramp Run and Sample Ramp Dimensions If handrails are not continuous , they shall extend at
least 12 inches (305 mm ) beyond the top and bottom
1341 . 0432 , Subpart 3 . ADAAG 4 . 8 . 3 : Clear of the ramp segment and shall be parallel with the floor
width . The minimum clear width of a ramp shall be or ground surface . See Figure 17 .
36 inches (915 mm ) .
1341 . 0432 , Subpart 4 . ADAAG 4 . 8 .4 :
aC d n�s . Ramps shall have level landings at the
bottom and top of each ramp and each ramp run .
Landings shall have the features in items A to D .
Chapter 1341 , Minnesota Accessibility Code 1341 -32
elevation section
12 minmin
3 5
E e�
;§ min M
S
cur In
N
V § min
1
Will III Will
Liz
Wall
as lei
ko
In
M � 915 i
0
vertical guard rail
12 min
305
36 min
915
"VA
railing with extended
platform Fig. 17
Examples of Edge Protection and Handrail Extensions
1341 . 0432 , Subpart 5 , Item C . ADAAG 4 . 8 . 5( 3) : Ends of handrails shall be returned or shall terminate
The clear space between the handrail and the wall in newel posts or safety terminals .
shall be a minimum of 1 - 112 inches ( 38 mm ) . 1341 . 0432 , Subpart 5 , Item G . ADAAG 4. 8 . 5(7) :
1341 . 0432 , Subpart 5 , Item D . ADAAG 4 . 8 . 5(4) : Handrails shall not rotate within their fittings .
Gripping surfaces shall be continuous . 1341 . 0432 , Subpart 6 . ADAAG 4 . 8 . 6 : Cross
1341 . 0432, Subpart 5 , Item E. ADAAG 4. 8 . 5( 5): slope and surfaces . The cross slope of ramp
Top of handrail gripping surfaces shall be mounted surfaces shall be no greater than 1 : 50 .
between 34 inches (865 mm ) and 38 inches (965 mm ) Ramp surfaces shall comply with part 1341 . 0426 .
above ramp surfaces . 1341 . 0432 , Subpart 7 . ADAAG 4 . 8 . 7 : Edge
1341 . 0432 , Subpart 5, Item F . ADAAG 4 . 8 . 5 (6) : protection . Ramps and landings with drop -offs shall
Chapter 1341 , Minnesota Accessibility Code 1341 -33