D.C. Mun. Regs. tit. 12, r. 12-A1607
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:
m Live load reduction is not permitted unless specific exceptions of Section 1607.10 apply.
Strike the listing for "All other construction" in Table 1607.1 (item 26) in the International Building Code and insert a new listing for "All other construction, except one and two-family dwellings" in its place in Table 1607.1(item 26) in the Building Code, and insert a new listing for "Ordinary flat, pitched, and curved roofs (that are not occupiable)" in Table 1607.1(item 26) in the Building Code to read as follows:
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:
Uniform live loads. The live loads used in the design of buildings and other structures shall be the maximum loads expected by the intended us e or occupancy but shall in no case be less than the minimum uniformly distributed live loads required by Table 1607.1.
Exceptions: 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.
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:
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 t he 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:
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.
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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.
D.C. Mun. Regs. tit. 12, r. 12-A1607