1102. HEIGHTS AND AREAS

1102 HEIGHTS AND AREAS Strike Section 1102.3 of the International Existing Building Code in its entirety and insert new Section 1102.3 in the Existing Building Code to read as follows: 1102.3 Fire protection systems. Existing fire areas increased by the addition shall comply with Chapter 9 of the Building Code for buildings that are under the jurisdiction of the Building Code. Existing fire areas increased by the addition shall comply with Section 313 of the Residential Code for buildings under the jurisdiction of the Residential Code. Exceptions: An automatic sprinkler system shall not be required in Group R-3 occupancies under the jurisdiction of the Building Code where the addition is less than 50 percent of the building area of the existing building and the water service is not being replaced. An automatic sprinkler system shall not be required for buildings under the jurisdiction of the Residential Code where the addition is less than 50 percent of the building area of the existing building and the water service is not being replaced. An automatic sprinkler system shall not be required in Group R-3 occupancies under the jurisdiction of the Building Code where the existing water service cannot provide adequate flow and pressure without the installation of a tank or pump, unless the water service is otherwise being replaced. An automatic sprinkler system shall not be required for buildings under the jurisdiction of the Residential Code where the existing water service cannot provide adequate flow and pressure without the installation of a tank or pump, unless the water service is otherwise being replaced. SOURCE: Final Rulemaking published at 67 DCR 6491 (May 29, 2020 – Part 2). The District of Columbia Existing Building Code (2017), referred to as the “Existing Building Code,” consists of the 2015 edition of the International Existing Building Code (International Existing Building Code), published by the International Code Council (ICC), as amended by the Existing Building Code Supplement of 2017 (12-J DCMR). The International Existing Building Code is copyrighted by the ICC and therefore is not republished here. However, a copy of the text may be obtained at: https://codes.iccsafe.org/public/public/collections/. District of Columbia Municipal Regulations Existing Building Code Supplement of 2017 12-J DCMR § 1102