1607. LIVE LOADS

1607 LIVE LOADS Strike Item 14 in Table 1607.1 of the International Building Code in its entirety and insert new Item 14 in Table 1607.1 to the Building Code in its place to read as follows: TABLE 1607.1 MINIMUM UNIFORMLY DISTRIBUTED LIVE LOADS, Lo, AND MINIMUM CONCENTRATED LIVE LOADSg Occupancy or Use Uniform (psf) Concentrated (lbs.) 14. Garages (Passenger vehicles only) Top deck of exposed garage Trucks and buses 50m 50, plus snow loading in accordance with Section 1608 See Section 1607.7 Notea See Section 1607.7 a Floors in garages or portions of buildings used for the storage of motor vehicles shall be designed for the uniformly distributed live loads of Table 1607.1 or the following concentrated loads: (1) for garages restricted to passenger vehicles accommodating not more than nine passengers, 3,000 pounds acting on an area of 4.5 inches by 4.5 inches; (2) for mechanical parking structures without slab or deck that are used for storing passenger vehicles only, 2,250 pounds per wheel. m Live load reduction is not permitted unless specific exceptions of Section 1607.10 apply. Strike Section 1607.3 of the International Building Code in its entirety and insert new Section 1607.3 to the Building Code in its place to read as follows: 1607.3 Uniform live loads. The live loads used in the design of buildings and other structures shall be the maximum loads expected by the intended use or occupancy but shall in no case be less than the minimum uniformly distributed live loads required by Table 1607.1. Exception: Buildings erected before July 1, 1925: In the alteration of buildings erected before July 1, 1925 the engineer of record is authorized to apply a maximum reduction of 30 percent of the specified minimum live loads in Table 1607.1 for live loads above 40 psf (1.92 kN/m2), provided that official live load placards are posted on the public areas of the affected floors showing this reduced live load. Live loads shall not be reduced to less than 40 psf. 1607.9 Impact Loads. Strike Section 1607.9.3 in the International Building Code in its entirety and insert new Section 1607.9.3 in the Building Code in its place to read as follows: 1607.9.3 Elements Supporting hoists for Façade Access Equipment. In combination with any other applicable live loads, structural elements that support hoists for façade access equipment shall be designed for an ultimate load consisting of the larger of the rated load of the hoist times 4.0, but not less than 5000 pounds (22.2 kN). Strike Section 1607.9.4 in the International Building Code in its entirety and insert new Section 1607.9.4 in the Building Code in its place to read as follows: 1607.9.4 Lifeline Anchorages for Façade Access Equipment. In combination with any other applicable live loads, lifeline anchorages and structural elements that support lifeline anchorages shall be designed for an ultimate load of at least 5000 pounds (22.2 kN) for each attached lifeline, in every direction that a fall arrest load may be applied. Insert new Section 1607.15 in the Building Code to read as follows: 1607.15 Powered maintenance platforms. The structural supports for powered maintenance platforms shall be designed in accordance with the requirements in 29 CFR 1910 Subpart F Standard 1910.66 (“Powered Platforms for Building Maintenance”) of Occupational Safety and Health Administration Standards. SOURCE: Final Rulemaking published at 67 DCR 5690 (May 29, 2020 – Part 2); as amended by Final Rulemaking published at 68 DCR 012276 (November 19, 2021). The District of Columbia Building Code (2017), referred to as the “Building Code,” consists of the 2015 edition of the International Building Code (International Building Code), published by the International Code Council (ICC), as amended by the Building Code Supplement of 2017 (12-A DCMR). The International 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/document/IBC2015. District of Columbia Municipal Regulations Building Code Supplement of 2017 12-A DCMR § 1607