Mich. Admin. Code R. 408.31096

Current through Vol. 24-19, November 1, 2024

Section R. 408.31096 - Climate zones

Rule 1096. Sections C301.1, Tables C301.1 and C301.3(2) of the code are amended and Figure C301.1a is added to the code to read as follows:

C301.1. General. Climate zones from figures C301.1, C301.1a, or table C301.1 shall be used to determine the applicable requirements of this code.

Table C301.1

Climate Zones by County

Zones
5A	6A	7
Allegan	Alcona	Baraga
Barry	Alger	Chippewa
Bay	Alpena	Gogebic
Berrien	Antrim	Houghton
Branch	Arenac	Iron
Calhoun	Benzie	Keweenaw
Cass	Charlevoix	Luce
Clinton	Cheboygan	Mackinac
Eaton	Clare	Ontonagon
Genesee	Crawford	Schoolcraft
Gratiot	Delta
Hillsdale	Dickinson
Ingham	Emmet
Ionia	Gladwin
Jackson	Grand Traverse
Kalamazoo	Huron
Kent	Iosco
Lapeer	Isabella
Lenawee	Kalkaska
Livingston	Lake
Macomb	Leelanau
Midland	Manistee
Monroe	Marquette
Montcalm	Mason
Muskegon	Mecosta
Oakland	Menominee
Ottawa	Missaukee
Saginaw	Montmorency
Shiawassee	Newaygo
St. Clair	Oceana
St. Joseph	Ogemaw
Tuscola	Osceola
Van Buren	Oscoda
Washtenaw	Otsego
Wayne	Presque Isle
Roscommon
Sanilac
Wexford

Key: A Moist. Absence of moisture designation indicates moisture regime is irrelevant.

Table C301.3(2)

Climate Zone Definitions

Zone Number	Thermal Criteria
	IP Units	IP Units
5A	5400 [LESS THAN] HDD65°F[LESS THAN EQUAL TO]7200	3000 [LESS THAN] HDD18°C[LESS THAN EQUAL TO]4000
6A	7200 [LESS THAN] HDD65°F[LESS THAN EQUAL TO]9000	4000 [LESS THAN] HDD18°C[LESS THAN EQUAL TO]5000
7	9000 [LESS THAN] HDD65°F[LESS THAN EQUAL TO]12600	5000 < HDD18°C[LESS THAN EQUAL TO]7000

For SI: ºC = [(ºF)-32]/1.8

FIGURE C301.1a

CLIMATE ZONES

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Mich. Admin. Code R. 408.31096

2017 MR 10, Eff. 9/20/2017