Header:
CODE OF MARYLAND REGULATIONS
TITLE 05. DEPARTMENT OF HOUSING AND COMMUNITY DEVELOPMENT
SUBTITLE 16. MARYLAND BUILDING REHABILITATION CODE
CHAPTER 05. RECONSTRUCTION--REPEALED
Date:
08/31/2009
Document:
.06 Egress Doorways.
A. General Requirements.
(1) Requirement. In any rehabilitation work area, all rooms and spaces having an occupant load greater than 50 or in which the travel distance exceeds 75 feet shall have a minimum of two egress doorways.
(2) Exceptions. The following are exceptions to the requirement of § A(1) of this regulation:
(a) Storage rooms having a maximum occupant load of 10;
(b) When the rehabilitation work area is served by a single exit in accordance with Regulation .04 of this chapter; and
(c) When a single means of egress is permitted by the Fire Prevention Code.
B. Requirements for Buildings of Group I-2. In buildings of Group I-2, any patient sleeping room or suite of rooms greater than 1,000 square feet in the rehabilitation work area shall have a minimum of two egress doorways, except when the room or suite of rooms is not greater than 2,500 square feet and does not contain patient sleeping rooms.
C. Corridor Door Requirements.
(1) General Requirements. Corridor doors in the rehabilitation work area may not be constructed of hollow core wood and may not contain louvers. All dwelling units, guest room, or rooming unit corridor doors in rehabilitation work areas in buildings of Groups R-1, R-2, R-4, and I-l shall be at least 1-3/8 inch solid core wood or approved as equal with approved door closers. They may not have any glass panels other than approved wired glass or other approved glazing material in metal frames. All replacement doors shall be 1-3/4 inch solid bonded wood core or approved equal, unless the existing frame will accommodate only a 1-3/8 inch door.
(2) Exceptions. The following are exceptions to the requirement of § C(1) of this regulation:
(a) Corridor doors within a dwelling unit or guestroom;
(b) Existing doors meeting the requirements of HUD "Guideline on Fire Ratings of Archaic Materials and Assemblies" for a rating of 15 minutes or better;
(c) Existing doors in buildings protected throughout with an approved automatic sprinkler system that are required only to resist smoke, do not contain louvers, and are reasonably tight fitting;
(d) In group homes with a maximum of 15 occupants defined as having prompt evacuation capability in accordance with the Fire Prevention Code, and protected with an approved automatic detection system, closing devices may be omitted;
(e) Door assemblies having a fire protection rating of at least 20 minutes; and
(f) Corridor doors complying with the Fire Prevention Code.
D. Transom Requirements. Except where transoms are permitted by the Fire Prevention Code, in all buildings of Groups I-1, R-1, R-2, and R-4 all transoms in corridor walls in rehabilitation work areas shall be either glazed with 1/4-inch wired glass set in metal frames or have other glazing assemblies with a fire protection rating as required for the door and permanently secured in the closed position or sealed with materials consistent with the corridor construction.
E. Requirements for Other Corridor Openings. In any rehabilitation work area, any other sash, grill, or opening in a corridor, and any window in a corridor not opening to the outside air, shall be sealed with materials consistent with the corridor construction.
F. Floor Area Supplemental Requirements. Except for corridors within a tenant space that is entirely outside the rehabilitation work area, the requirements of §§ C--E of this regulation apply on the entire floor when the rehabilitation work area exceeds 50 percent of the floor area.
G. Door Swing. In the rehabilitation work area and in the egress path from any rehabilitation work area to the exit discharge, all egress doors serving an occupant load greater than 50 shall swing in the direction of exit travel.
H. Closing Devices. Except when exit enclosure is not required by the Fire Prevention Code, in any rehabilitation work area all doors opening onto an exit passageway at grade or exit stair shall be self-closing or automatic closing by listed closing devices.
I. Exit Hardware. In any rehabilitation work area, and in the egress path from any rehabilitation work area to the exit discharge, in a building or portions of a building of Groups A or E with an occupant load greater than 100, all required exit doors equipped with latching devices shall be equipped with approved panic or fire exit hardware.
J. Floor Area Supplemental Requirements. Except when the means of egress are within a tenant space that is entirely outside the rehabilitation work area, the requirements of §§ G--I of this regulation apply on the entire floor when the rehabilitation work area exceeds 50 percent of the floor area.
K. Remote Power Unlocking Capability. Except for locking arrangements complying with the Fire Prevention Code, rehabilitation work areas in buildings of Group I-3 having remote power unlocking capability for more than 10 locks shall be provided with an emergency power source for the locks. Power shall be arranged to automatically operate upon failure of normal power within 10 seconds and for a duration of not less than 1 hour.
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