See differences between code years or jurisdictions. When a landing serves an occupant load of 50 or more, doors in any position shall not reduce the landing to less than one-half its required width. Elevators shall not open into an exit passageway. The horizontal exit separation shall extend vertically through all levels of the building unless floor assemblies have a fire-resistance rating of not less than 2 hours with no unprotected openings. Signage shall comply with the ICC A117.1 requirements for visual characters. 0000002837 00000 n Where aisles are provided for seating, the distance shall be measured along the aisles and aisle accessway without travel over or on the seats. Winder treads shall have a minimum tread depth of 11 inches (279 mm) measured between the vertical planes of the foremost projection of adjacent treads at the intersections with the walkline and a minimum tread depth of 10 inches (254 mm) within the clear width of the stair. The area shall be provided with a safe and unobstructed path of travel from the building. Where panic or fire exit hardware is installed, it shall comply with the following: Gates serving the means of egress system shall comply with the requirements of this section. Approved delayed egress locks shall be permitted in a Group I-2 occupancy where the clinical needs of persons receiving care require such locking. Tread depths shall be a minimum of 11 inches (279 mm) and shall have dimensional uniformity. Egress through intervening spaces shall comply with this section. endstream endobj 159 0 obj<> endobj 160 0 obj[/ICCBased 162 0 R] endobj 161 0 obj<> endobj 162 0 obj<>stream The minimum net clear opening width dimension shall be 20 inches (508 mm). The signs shall be a minimum size of 18 inches by 12 Access to the enclosed space shall not be directly from within the stair enclosure. Concrete Steps in Gardens, Deck Code Guidelines for Guardrails and Stairway Railings. This should be no more than 7 3/4 inches. At elevated walking surfaces for access to and use of electrical, mechanical or plumbing systems or equipment, In areas that are not open to the public within occupancies in Group, Operable windows where the top of the sill of the opening is located more than 75 feet (22 860 mm) above the finished. occupant load of 50 or greater this exception does not apply. Section R311 Means of Egress [Residential Code] Section 1011 Stairways [Building Code] Section 1006 Number of Exits and Exit Access Doorways [Building Code] Section 1004 Occupant Load [Building Code] Section 304 Business Group B [Building Code] Section 1005 Means of Egress Sizing [Building Code] Section 310 Residential Group R [Building Code] Section R403 Footings [Residential Code] Section 1009 Stairways [Building Code… View a consolidated view of relevant sections tailored to your project. Such devices are not given credit for more than 50 percent of the required egress capacity or width. Separation from the interior of the building is not required for occupancies, other than those in Group, Separation from the interior of the building is not required where the, Not more than 50 percent of the number and minimum width or required capacity of, Not more than 50 percent of the number and minimum width or required capacity of the, The entire area of the vestibule is separated from areas below by construction conforming to the. reference instead shall be to 521 CMR instead. The general requirements specified in Sections, Protruding objects shall comply with the requirements of Sections. The minimum clear width at and below the handrails shall be 20 inches (508 mm). Wherever ICC A117.1 is referenced in this section, Narrow stairs make it more difficult to carry items up and down the stairs. The travel distance between any point in a, Areas other than patient sleeping areas in Group. Characters shall contrast with their background, with either light characters on a dark background or dark characters on a light background. What is the stair construction code in Massachusetts? Save and quickly access sections most relevant to your project. The area shall be permanently maintained and identified as a safe dispersal area. The depth from the exterior of the building is not greater than 10 feet (3048 mm) and the length is not greater than 30 feet (9144 mm). Stairways shall have handrails on each side and shall comply with Section 1012. AREA OF REFUGE. The undersides of nosings shall not be abrupt. Highlight changes enacted by your local jurisdiction. Travel distance shall be determined as specified in Section 1016.1, but all portions of a refrigerated room or space shall be within 150 feet (45 720 mm) of an exit or exit access door where such rooms are not protected by an approved automatic sprinkler system. A door equipped with double-pivoted hardware so designed as to cause a semicounter balanced swing action when opening. In places of assembly or portions thereof without ramped or tiered floors for seating and with 200 or fewer seats, the seats shall not be required to be fastened to the floor. Where more than one tenant occupies any one floor of a building or structure, each tenant space, dwelling unit and sleeping unit shall be provided with access to the required exits without passing through adjacent tenant spaces, dwelling units and sleeping units. Where more than one means of egress are required by Section 1015.1 or 1021.1 from any accessible space, each accessible portion of the space shall be served by not less than two accessible means of egress. An operable window, door or other similar device that provides for a means of escape and access for rescue in the event of an emergency. xref H��W[s7~�W��S2S�/�43��3��}��ְtwO��{��+�~A�O��}�ʺx�f5\B�¢Ǡ�^���U�z��O�L�zW�P�p9���+P�i����mZ��I����K�#%1�9���;x?���[1e���f�3~ ��x���t4��3� ��p4����`|�h�ɻ�:W�R�Rgﭘ%W����Dؽ�O�.#W�:鄰�hJ��X��>��=D2A���v�wY�+�a�h��j�����_��7���� �v\0�� Use of the space between the corridor ceiling and the floor or roof structure above as a return air plenum is permitted for one or more of the following conditions: Fire-resistance-rated corridors shall be continuous from the point of entry to an exit, and shall not be interrupted by intervening rooms. Such floor or landing shall be at the same elevation on each side of the door. In any case, the local code is what you must follow to pass inspections. The landing width shall be not less than the width of the widest. All feedback is helpful! The main exit shall be of sufficient width to accommodate not less than one-half of the occupant load, but such width shall not be less than the total required width of all means of egress leading to the exit. Open risers are not permitted. The fire-resistance rating shall be at least equal to that required for the exit enclosure. The tread shall be projected such that the total of the tread depth plus the nosing projection is no less than 81/2 inches (216 mm). Code calculators may not be available. Surface-mounted latch release hardware shall be exempt from inclusion in the 7-inch (178 mm) maximum projection requirement of Section 1005.2 when: The means of egress, including the exit discharge, shall be illuminated at all times the building space served by the means of egress is occupied. Externally illuminated walking surfaces shall be permitted to be illuminated to not less than 0.2 footcandle (2.15 lux). This section has been amended at the state or city level. Leverage the full code compliance platform. The building is equipped throughout with an, For requirements for occupancies in Group, Where located within tenant spaces of 1,000 square feet (93 m, Incidental air movement from pressurized rooms within health care, Foyers, lobbies or reception rooms constructed as required for, Enclosed elevator lobbies as permitted by Item 1 of, Other buildings on the same lot unless the adjacent building, Such equipment and ductwork shall be located exterior to the building and shall be directly connected to the, Where such equipment and ductwork is located within the, Where located within the building, such equipment and ductwork shall be separated from the remainder of the building, including other mechanical equipment, with construction as required for. Where chairs have automatic or self-rising seats, the measurement shall be made with seats in the raised position. Groups of seats within a building, room or space used for assembly purposes separated from other seating by railings. Get daily tips and tricks for making your best home. Staircase code states that stairs must be 3 feet wide or wider. 0000000016 00000 n Decks, patios and walkways that have a single change in elevation where the landing depth on each side of the change of elevation is greater than what is required for a landing do not require, Changes in room elevations of three or fewer risers within, Edge protection is not required on the sides of, In assembly spaces with fixed seating, edge protection is not required on the sides of. Copyright © 2020 Multiply Media, LLC. The minimum clear width for an aisle accessway not required to be accessible shall be 30 inches (762 mm). A building, room or space used for assembly purposes that has an, For balconies, galleries or press boxes having a seating capacity of 50 or more located in a building, room or space used for assembly purposes, not less than two, The required capacity in inches (mm) of the, Where one of the two paths of travel is across the, Every occupied portion of any building, room or space used for assembly purposes that contains seats, tables, displays, similar fixtures or equipment shall be provided with, There shall not be obstructions in the minimum width or required capacity of, A distinctive marking stripe shall be provided at each, Where seating is located at a table or counter and is adjacent to an, Where seating rows have 14 or fewer seats, the minimum clear, The slope measured perpendicular to the direction of travel of a ramped.
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