Mich. Admin. Code R. 408.31060e
Current through Vol. 24-18, October 15, 2024
Rule 1060e. Section 301.1 and Tables 301.1 and 301.3(2) of the code are amended and Figure 301.1a is added to the code to read as follows:
301.1 General. Climate zones from figures 301.1, 301.1a or table 301.1 shall be used in determining the applicable requirements of this code.
Table 301.1
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 | ||
| Smiilac | ||
| Wexford | ||
Key: A - Moist. Absence of moisture designation indicates moisture regime is irrelevant.
Table 301.3(2)
Climate Zone Definitions
| Zone Number | Thermal Criteria | |
| IP Units | SI Units | |
| 5A | 5400 < HDD65oF[LESS THAN EQUAL TO]7200 | 3000 < HDD18oC [LESS THAN EQUAL TO] 4000 |
| 6A | 7200 < HDD65oF[LESS THAN EQUAL TO]9000 | 4000 < HDD18oC [LESS THAN EQUAL TO] 5000 |
| 7 | 9000< HDD65 oF[LESS THAN EQUAL TO]12600 | 5000 < HDD18oC [LESS THAN EQUAL TO] 7000 |
For SI:oC = [(oF)-32]/1.8
Mich. Admin. Code R. 408.31060e