You may get some additional relief in the employee work area section of Ch. 11 IBC then....
1103.2.2 Employee work areas. Spaces and elements
within employee work areas shall only be required to comply
with Sections 907.5.2.3.1, 1009 and 1104.3.1 and shall
be designed and constructed so that individuals with disabilities
can approach, enter and exit the work area. Work
areas, or portions of work areas, other than raised courtroom
stations in accordance with Section 1108.4.1.4, that
are less than 300 square feet (30 m2) in area and located 7
inches (178 mm) or more above or below the ground or
finished floor where the change in elevation is essential to
the function of the space shall be exempt from all requirements.