Michigan Administrative Code
Department - Licensing and Regulatory Affairs
Bureau of Construction Codes
Construction Code Commission General Rules
Construction Code
Part 10a - Michigan Energy Code
Section R. 408.31096 - Climate zones
Current through Vol. 24-16, September 15, 2024
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