Consider though that if it were a closet (unoccupiable) and I could enter into it in a WC far enough for the door to close behind me and it initially had a knob and a seperate dead bolt it would have to be changed out (as a barrier to be removed) for a single action lever interconnected to the deadbolt. right?
I know this is going to sound cold but no it does not need to be changed out
The dead bolt does not latch unless someone locks you in with a key from the outside. The room was not designed for a WC user therefore you do not belong in it. Does it have the turning space? Is there enough clearance on the latch side of the door. The point is the room was not designed to be occupied by a WC user or anyone else so means of egress door requirements do not apply and a round door knob would be code compliant
What of level landings being required on corridor and or exterior doors to mechanical rooms if not presently provided? Only for egress doors to occupiable rooms?
1003.5 Elevation change.
Where changes in elevation of less than 12 inches (305 mm) exist in the means of egress, sloped surfaces shall be used. Where the slope is greater than one unit vertical in 20 units horizontal (5-percent slope), ramps complying with Section 1010 shall be used. Where the difference in elevation is 6 inches (152 mm) or less, the ramp shall be equipped with either handrails or floor finish materials that contrast with adjacent floor finish materials.
Exceptions:
1.
A single step with a maximum riser height of 7 inches (178 mm) is permitted for buildings with occupancies in Groups F, H, R-2, R-3, S and U at exterior doors not required to be accessible by Chapter 11.
If it is not on an accessible route then a level landing may not be required
ACCESSIBLE ROUTE. A continuous, unobstructed path that complies with Chapter 11.
1103.2.1 Specific requirements.
Accessibility is not required in buildings and facilities, or portions thereof, to the extent permitted by Sections 1104 through 1110
1103.2.9 Equipment spaces.
Spaces frequented only by personnel for maintenance, repair or monitoring of equipment are not required to be accessible. Such spaces include, but are not limited to, elevator pits, elevator penthouses, mechanical, electrical or communications equipment rooms, piping or equipment catwalks, water or sewage treatment pump rooms and stations, electric substations and transformer vaults, and highway and tunnel utility facilities.
A Mechanical/Electrical room is exempt from accessibility requirements
A corridor leading to a second exit in an existing building and the second exit is not required to be an accessible egress can have steps within the corridor if the elevation change is larger than 12 inches