16.09.100 Table R301.2(1) – Climate and geographical design criteria

16.09.100 Table R301.2(1) – Climate and geographical design criteria.

Table R301.2(1) of the IRC shall have the following design criteria:

Table R301.2(1). Climatic and Geographic Design Criteria

GROUND SNOW LOAD

25

WIND DESIGN

Speed^d (mph)
110

Topographic effects^k
NO

Special wind region^l
NO

Wind-borne debris zone^m
NO

SEISMIC DESIGN CATEGORY^f

D2

SUBJECT TO DAMAGE FROM

Weathering^a
MODERATE

Frost line depth^b
18"

Termite^c
SLIGHT

WINTER DESIGN TEMP^e

22

ICE BARRIER UNDERLAYMENT REQUIRED^h

NO

FLOOD HAZARD^g

1985; 2005; 53061C1305E 53061C1310E 53061C1309E 53061C1320E 53061C1315E All adopted 11/08/1999

AIR FREEZING INDEXⁱ

1500

MEAN ANNUAL TEMP^j

52.8

Table R301.2(1). Climatic and Geographic Design Criteria
GROUND SNOW LOAD	25
WIND DESIGN	Speed^d (mph)	110
Topographic effects^k	NO
Special wind region^l	NO
Wind-borne debris zone^m	NO
SEISMIC DESIGN CATEGORY^f	D2
SUBJECT TO DAMAGE FROM	Weathering^a	MODERATE
Frost line depth^b	18"
Termite^c	SLIGHT
WINTER DESIGN TEMP^e	22
ICE BARRIER UNDERLAYMENT REQUIRED^h	NO
FLOOD HAZARD^g	1985; 2005; 53061C1305E 53061C1310E 53061C1309E 53061C1320E 53061C1315E All adopted 11/08/1999
AIR FREEZING INDEXⁱ	1500
MEAN ANNUAL TEMP^j	52.8

(Ord. 3396 § 5, 2021; Ord. 3196 § 5, 2016; Ord. 3006 § 3 (Exh. C), 2013; Ord. 2840 § 5, 2010; Ord. 2683 § 4, 2007)