25.03.20: AMENDMENT OF TABLE R602.10.5:

Notwithstanding the provisions of section 25.03.01 of this article, table R602.10.5 of the Residential Code is amended to read as follows:

TABLE R602.10.5

MINIMUM LENGTH OF BRACED WALL PANELS

METHOD (See Table R602.10.4)		MINIMUM LENGTHa (inches)					CONTRIBUTING LENGTH (inches)
		Wall Height
		8 feet	9 feet	10 feet	11 feet	12 feet
DWB, WSP, SFB, PBS, PCP, HPS, BV - WSP		48	48	48	53	58	Actualb
GB		48	48	48	53	58	Double sides = Actual Single sided = 0.5 x Actual
LIB		55	62	69	NP	NP	Actualb
ABW	SDC A, B and C, wind speed < 110 mph	28	32	34	38	42	48
	SDC D0, D1 and D2 wind speed < 110 mph	32	32	34	NP	NP
PFH	Supporting roof only	24	24	24	24c	24c	48
	Supporting one story and roof	24	24	24	27c	29c	48
PFG		24	27	30	33d	36d	1.5 x Actualb
CS-G		24	27	30	33	36	Actualb
CS-PF		24	24	24	24e	24e	Actualb
CS- WSP, CS-SFB	Adjacent clear opening height (inches)
	< 64	24	27	30	33	36	Actualb
	68	26	27	30	33	36
	72	27	27	30	33	36
	76	30	29	30	33	36
	80	32	30	30	33	36
	84	35	32	32	33	36
	88	38	35	33	33	36
	92	43	37	35	35	36
	96	48	41	38	36	36
	100	–	44	40	38	38
	104	–	49	43	40	39
	108	–	54	46	43	41
	112	–	–	50	45	43
	116	–	–	55	48	45
	120	–	–	60	52	48
	124	–	–	–	56	51
	128	–	–	–	61	54
	132	–	–	–	66	58
	136	–	–	–	–	62
	140	–	–	–	–	66
	144	–	–	–	–	72

 

For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, I mile per hour=Q.447 m/s. NP = Not Permitted.

   a.   Linear interpolation shall be permitted.

   b.   Use the actual length when it is greater than or equal lo the minimum length.

   c.   Maximum header height for PFH is 10 feet in accordance with Figure R602.10.6.2, but wall height may be increased to 12 feet with pony wall.

   d.   Maximum opening height for PFG is 10 feet in accordance with Figure R602.10.6.3. but wall height maybe increased to 12 feet with pony wall,

   e.   Maximum opening height for CS-PF is 10 feet in accordance with Figure R602.10.6.4. but wall height may be increased to 12 feet with pony wall.

(Ord. 0-19-1357, 11-13-2019)