12 | 13 | | A BILL TO BE ENTITLED 1 |
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13 | 14 | | AN ACT TO AMEND THE NORTH CAROLINA STATE BUILDING CODE TO 2 |
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14 | 15 | | AUTHORIZE SINGLE-EXIT STAIRWAYS IN CERTAIN RESIDENTIAL BUILDINGS . 3 |
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15 | 16 | | The General Assembly of North Carolina enacts: 4 |
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16 | 17 | | SECTION 1.(a) Definitions. – For purposes of this act, the following definitions 5 |
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17 | 18 | | apply: 6 |
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18 | 19 | | (1) Building Code. – The North Carolina Building Code. 7 |
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19 | 20 | | (2) Building Code Council. – The North Carolina Building Code Council. 8 |
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20 | 21 | | (3) Group R-2 occupancy. – A multifamily residential building, as defined in the 9 |
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21 | 22 | | Building Code. This does not include three- and four-family dwellings under 10 |
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22 | 23 | | the rulemaking authority of the North Carolina Residential Code Council. 11 |
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23 | 24 | | (4) Qualifying R-2 building. – A Group R-2 occupancy building that contains 12 |
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24 | 25 | | between five and 32 dwelling units, having a total height of 75 feet or less 13 |
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25 | 26 | | above grade plane, and located solely on an individual lot. 14 |
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26 | 27 | | SECTION 1.(b) Temporary Provisions. – Until the effective date of the permanent 15 |
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27 | 28 | | code amendments that the Building Code Council is required to adopt pursuant to subsection (d) 16 |
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28 | 29 | | of this section, the following shall apply: 17 |
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29 | 30 | | (1) With respect to qualifying R-2 buildings as defined in subsection (a) of this 18 |
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30 | 31 | | section, the Building Code Council and all local government officials 19 |
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31 | 32 | | enforcing the Building Code shall apply the provisions in subsection (c) of 20 |
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32 | 33 | | this section regarding single-exit stairway requirements. 21 |
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33 | 34 | | (2) The Building Code Council shall adopt permanent rules for qualifying R-2 22 |
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34 | 35 | | buildings as set forth in subsection (d) of this section. 23 |
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35 | 36 | | SECTION 1.(c) Single-Exit Stairway for Qualifying R-2 Buildings. – 24 |
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36 | 37 | | Notwithstanding any other provision of the Building Code or law to the contrary, the Building 25 |
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37 | 38 | | Code Council shall amend the Building Code to allow a qualifying R-2 building, as defined in 26 |
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38 | 39 | | subsection (a) of this section, to be served by a single-exit stairway in lieu of multiple exits, 27 |
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39 | 40 | | provided the building meets either the requirements for mid-rise single-exit buildings in 28 |
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40 | 41 | | subdivision (1) of this subsection or the requirements for low-rise single-exit buildings in 29 |
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41 | 42 | | subdivision (2) of this subsection, and meets all additional universal requirements set forth in 30 |
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42 | 43 | | subdivision (3) of this subsection, described as follows: 31 |
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43 | 44 | | (1) Mid-rise single-exit buildings. – A qualifying R-2 building may be served by 32 |
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44 | 45 | | a single exit if all of the following are satisfied: 33 |
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45 | 46 | | a. The building has no more than eight total stories and has no more than 34 |
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46 | 47 | | seven stories above grade plane. 35 |
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49 | 54 | | c. The building shall be of not less than two-hour fire-resistance-rated 1 |
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50 | 55 | | construction and shall be equipped throughout with an NFPA 13 2 |
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51 | 56 | | automatic sprinkler system in accordance with Section 903.3.1.1 of the 3 |
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52 | 57 | | Building Code. Residential-type sprinklers shall be used in all 4 |
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53 | 58 | | habitable spaces in each dwelling unit. 5 |
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54 | 59 | | (2) Low-rise single-exit buildings. – A qualifying R-2 building may be served by 6 |
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55 | 60 | | a single exit if all of the following are satisfied: 7 |
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56 | 61 | | a. The building has no more than three total stories, of which no more 8 |
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57 | 62 | | than two stories are above grade plane. 9 |
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58 | 63 | | b. There shall be no more than six dwelling units on any floor. 10 |
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59 | 64 | | c. The building shall be of not less than one-hour fire-resistance-rated 11 |
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60 | 65 | | construction or be equipped throughout with an NFPA 13 automatic 12 |
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61 | 66 | | sprinkler system in accordance with Section 903.3.1.1 of the Building 13 |
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62 | 67 | | Code. Residential-type sprinklers shall be used in all habitable spaces 14 |
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63 | 68 | | in each dwelling unit. 15 |
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64 | 69 | | (3) Universal requirements for all qualifying R-2 buildings. – A building meeting 16 |
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65 | 70 | | the requirements of either subdivision (1) or (2) of this subsection shall also 17 |
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66 | 71 | | comply with all of the following to be eligible to be constructed with no more 18 |
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67 | 72 | | than one egress stair: 19 |
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68 | 73 | | a. Stairway type. – An exterior stairway or an interior exit stairway shall 20 |
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69 | 74 | | be provided. Any interior exit stairway, including any related exit 21 |
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70 | 75 | | passageway, shall be pressurized in accordance with Section 909.20 22 |
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71 | 76 | | of the Building Code or an alternative design approved by a licensed 23 |
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72 | 77 | | engineer that achieves an equivalent result. Doors in the stairway shall 24 |
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73 | 78 | | swing into the interior exit stairway regardless of occupant load 25 |
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74 | 79 | | served. Doors leading from the stairway to the building exterior are 26 |
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75 | 80 | | permitted to swing in the direction of exit travel. 27 |
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76 | 81 | | b. Corridor separation. – A continuous corridor or exit passageway shall 28 |
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77 | 82 | | separate each dwelling unit entry or exit door from the door to an 29 |
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78 | 83 | | interior exit stairway or any related exit passageway. A dwelling unit 30 |
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79 | 84 | | door shall not open directly into an interior exit stairway but may open 31 |
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80 | 85 | | directly to an exterior stairway. 32 |
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81 | 86 | | c. Travel distance to stairway. – There shall be no more than 20 feet of 33 |
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82 | 87 | | travel from the entry or exit door of any dwelling unit to the nearest 34 |
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83 | 88 | | entrance of the exit stairway. 35 |
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84 | 89 | | d. Total travel distance. – The total travel distance, measured in 36 |
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85 | 90 | | accordance with Section 1017 of the Building Code, from the most 37 |
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86 | 91 | | remote point within any dwelling unit to an exit discharge shall not 38 |
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87 | 92 | | exceed 125 feet. 39 |
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88 | 93 | | e. Egress courts. – The exit serving the qualifying R-2 building shall not 40 |
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89 | 94 | | terminate in an egress court where the court depth exceeds the court 41 |
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90 | 95 | | width unless it is possible to exit in either direction to the public way. 42 |
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91 | 96 | | f. Elevators. – Elevators shall be pressurized in accordance with Section 43 |
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92 | 97 | | 909.21 of the Building Code, shall open into elevator lobbies that 44 |
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93 | 98 | | comply with Section 3006 of the Building Code, or use an alternative 45 |
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94 | 99 | | design approved by a licensed engineer that achieves an equivalent 46 |
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95 | 100 | | result. Where approved by the code-enforcement official, natural 47 |
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96 | 101 | | ventilation is permitted to be substituted for pressurization if it 48 |
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97 | 102 | | prevents the accumulation of smoke or toxic gases. 49 |
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98 | 103 | | g. Other occupancies. – Other occupancies in the same building are 50 |
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99 | 104 | | permitted only if they comply with all requirements of the Building 51 General Assembly Of North Carolina Session 2025 |
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101 | 106 | | Code and do not communicate with the Group R-2 occupancy portion 1 |
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102 | 107 | | of the building or with the single-exit stairway. Parking garages and 2 |
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103 | 108 | | occupied roofs accessory to the Group R-2 occupancy are permitted to 3 |
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104 | 109 | | communicate with the exit stairway. 4 |
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105 | 110 | | h. Exit discharge. – The exit serving the qualifying R-2 building shall not 5 |
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106 | 111 | | discharge through any other occupancy, including any accessory 6 |
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107 | 112 | | parking garage. 7 |
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108 | 113 | | i. Openings. – There shall be no openings within 10 feet of any 8 |
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109 | 114 | | unprotected opening into the exit stairway, other than required exit 9 |
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110 | 115 | | doors having a minimum one-hour fire-resistance rating. 10 |
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111 | 116 | | (4) Means-of-egress requirements. – A qualifying R-2 building meeting the 11 |
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112 | 117 | | requirements of either subdivision (1) or (2) of this subsection and subdivision 12 |
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113 | 118 | | (3) of this subsection shall be deemed to comply with the means-of-egress 13 |
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114 | 119 | | requirements for exit stairways under the North Carolina Fire Code and any 14 |
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115 | 120 | | applicable local ordinances. 15 |
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116 | 121 | | SECTION 1.(d) Additional Rulemaking Authority. – Notwithstanding 16 |
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117 | 122 | | G.S. 150B-19(4), the Building Code Council shall adopt rules to amend the Building Code in a 17 |
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118 | 123 | | manner substantively identical with subsection (c) of this section, including modifications needed 18 |
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119 | 124 | | to incorporate qualifying R-2 buildings as defined in subdivision (a)(4) of this section, and to 19 |
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120 | 125 | | make conforming changes throughout the Building Code. Rules adopted pursuant to this section 20 |
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121 | 126 | | are not subject to Part 3 of Article 2A of Chapter 150B of the General Statutes. Rules adopted 21 |
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122 | 127 | | pursuant to this section shall become effective as provided in G.S. 150B-21.3(b1), as though 10 22 |
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123 | 128 | | or more written objections had been received as provided in G.S. 150B-21.3(b2). 23 |
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124 | 129 | | SECTION 1.(e) Sunset. – This section expires on the date that permanent rules 24 |
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125 | 130 | | adopted as required by subsection (d) of this section become effective. 25 |
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126 | 131 | | SECTION 2. Effective Date. – This act is effective when it becomes law. 26 |
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