D.C. Mun. Regs. tit. 12, r. 12-A503

Current through Register Vol. 72, No. 2, January 10, 2025

Rule 12-A503 - GENERAL BUILDING HEIGHT AND AREA LIMITATIONS

Strike Section 503.1.1 of the International Building Code in its entirety and insert new Section 503.1.1 in the Building Code in its place to read as follows:

503.1.1

Special industrial occupancies. Buildings and structures designed to house low-hazard industrial processes that require large areas and unusual heights to accommodate craneways or special machinery and equipment, including among others, rolling mills; structural metal fabrication shops and foundries; or collection and treatment of sewage and stormwater, or the production and distribution of electric, gas, water or steam power, shall be exempt from the height and area limitations of Table 503. Ordinary repairs of such buildings or structures shall include specifically engineered structural and mechanical components designed for removal and replacement in kind.

Strike Groups B, M, S-1 and S-2 in Table 503 of the International Building Code, in their entirety and insert new Groups B, M, S-1 and S-2 in their place in Table 503 of the Building Code to read as follows:

TABLE 503 ALLOWABLE BUILDING HEIGHTS AND AREAS^{a, b}

Building height limitations shown in feet above grade plane. Story limitations shown as stories above grade plane. Building area limitations shown in square feet, as determined by the definition of "Area, building," per story

GROUP		TYPE OF CONSTRUCTION
		TYPE I		TYPE II		TYPE III		TYPE IV	TYPE V
		A	B	A	B	A	B	HT	A	B
	HEIGHT (feet)	UL	160	65	55	65	55	65	50	40
	STORIES(S) AREA (A)
B	S A	UL UL	11 UL	5 37,500	23,000	5 28,500	19,000	5 36,000	3 18,000	2 9,000

GROUP		TYPE OF CONSTRUCTION
		TYPE I		TYPE II		TYPE III		TYPE IV	TYPE V
		A	B	A	B	A	B	HT	A	B
	HEIGHT (feet)	UL	160	65	55	65	55	65	50	40
	STORIES(S) AREA (A)
M	S A	UL UL	11 UL	4 21,500	4 12,500	4 18,500	12,500	4 20,500	3 14,000	1 9,000
S-1	S A	UL UL	11 48,000	4 26,000	3 17,500	3 26,000	3 17,500	4 25,500	3 14,000	1 9,000
S-2	S A	UL UL	11 79,000	5 39,000	26,000	4 39,000	4 26,000	5 38,500	4 21,000	2 13,500

D.C. Mun. Regs. tit. 12, r. 12-A503

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

The District of Columbia Building Code (2013), referred to as the SBuilding 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.

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.