Section 12-A1607. 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 in 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)Garages (Passenger cars only)    Top deck of exposed garage   Trucks and buses	50m     50, plus snow loading in accordance with Section 1608   See Section 1607.7	Note a         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 code official is authorized to allow a maximum reduction of 30 percent of the specified minimum live loads in Table 1607.1, with a minimum live load for other than residential buildings of 40 psf (1.92 kN/m2), provided that official live load placards are posted showing this reduced live load.

 

Insert new Section 1607.15 to 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.

 

 

authority

Section 10 of the Construction Codes Approval and Amendments Act of 1986 (Act), effective March 21, 1987 (D.C. Law 6-216; D.C. Official Code § 6-1409 (2012 Repl.)) and Mayor’s Order 2009-22, dated February 25, 2009, as amended.

source

Final Rulemaking published at 61 DCR 2782 (March 28, 2014 – Part 2).

EditorNote

The District of Columbia Building Code (2013), referred to as the “Building Code,” consists of the 2012 edition of the International Building Code as amended by the District of Columbia Building Code Supplement (2013)(12 DCMR A). The International Building Code is copyrighted by the International Code Council and therefore is not republished here. However, a copy of the text may be obtained at:http://publicecodes.cyberregs.com/icod/ibc/2012/index.htm?bu=IC-P-2012-000001&bu2=IC-P-2012-000019.