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August 27, 2014 Bowers Museum, SSA Project #14048 <br />SALLY SWANSON <br />ARCHITECTS, INC_ <br />Objects that protrude into the accessible ROT must be in some manner protected from causing injury <br />to individuals moving along the path. Protrusions are not permitted beyond a projection that is greater <br />than 4" as measured at a height of between 27" and 80" (84" for residential occupancies) AFF. Two <br />exceptions do apply that include the projection of handrails of up to 41/2" for handrails and door closers <br />and door stops shall be 78" minimum AFF. The required clear width of a ROT shall not be reduced by <br />any protruding objects. <br />When objects are mounted on a post, the maximum permitted overhand is again 4" unless there is a <br />physical barrier provided that reduces the clear height of the bottom of the object to less than 27" or <br />above 80" AFF. Where objects, such as an 'open" underside of a stair or other object allows an <br />individual to enter an area where the overhead projection is less than 80" or greater than 27" AFF it is <br />required to be protected with a physical barrier such as a guardrail or other acceptable barrier. <br />PROTRUDING OBJECT LIMITATIONS <br />POST- MOUNTED OBJECTS <br />in'o <br />August 27, 2014 SSA Project #14048 Page 23 of 28 <br />