This guide explains scoping and technical requirements for accessible entrances doors and gates in the ada standards.
Commercial ada door hardware height.
The 2010 ada standards for accessible design effective 03 15 2012 include an important change relative to the mounting height of hardware.
For example commercial door levers are required to be designed in a manner that is easily operated by those with disabilities including lever size and projection from the door.
With an age growing population fast approaching an all time high more and more building codes are specifying ada american disabilities act compliant products and standards.
Minimum number at least 60 of public entrances must be accessible in new construction in addition to entrances directly serving tenancies parking facilities pedestrian tunnels and elevated walkways.
Inaccessible door hardware can also prevent access to the business.
By the year 2030 71 5 million baby boomers will be over the age of 65 and demanding products services and environments that address their age related physical.
Door hardware mounting heights 2010 ada changes.
In the previous edition of the ada standard section 4 13 9 included this statement.
Door handles pulls latches locks and other operating devices shall be installed 34 inches 864 mm minimum and 48 inches 1219 mm maximum above the finished floor.
This along with power operator options makes balanced doors ideal for ada applications.
Thresholds at doorways shall not exceed 3 4 in 19 mm in height for exterior sliding doors or 1 2 in 13 mm for other types of doors.
Raised thresholds and floor level changes at accessible doorways shall be beveled with a slope no greater than 1 2 see 4 5 2.
Door hardware ada compliant locks exit devices handles pulls latches and other operable parts on doors shall comply operable parts of such hardware shall be 34 inches minimum and 48 inches maximum above the finish floor or ground.
Hardware required for accessible door passage shall be mounted no higher than 48 in 1220 mm above finished floor.
This permits wind and stack pressures to assist rather than hinder door operation.
Ada american disabilities act compliant door hardware.
For example the handle shown below requires the user to tightly grasp the handle to open the door.
Operable parts shall be operable with one hand and shall not require tight grasping pinching or twisting of the wrist.
Many people with mobility disabilities and others with a disability that limits grasping such as arthritis find this type of handle difficult or impossible to use.
Ada compliance as it pertains to door hardware generally has to do with the design of the door hardware.
In addition spring tensions and closing speeds can both be adjusted.
