Code of Maine Rules
02 - DEPARTMENT OF PROFESSIONAL AND FINANCIAL REGULATION
385 - MANUFACTURED HOUSING BOARD
Chapter 900 - USED MANUFACTURED HOME INSTALLATION STANDARD
Appendix 385-900-B - WIND ZONE and ROOF LOAD ZONE
I. General Requirements
A. Home Site Selection
Home sites shall not be constructed on mud, organic silt or uncontrolled fill. Home sites shall not be constructed in any naturally occurring seasonal drainage swale.
B. Home Site Preparation
Site soil conditions shall be evaluated.Home sites shall be prepared as required by Appendix C(I) General Specifications for Site Preparation and Appendix D(I) Site Preparation Detail I or Appendix D(II) Site Preparation Detail II.
C. Footing Requirements
1. Footings shall consist of a concrete pad constructed in accordance with Appendix D(VI) Concrete Slab Detail when:
A. The home requires perimeter support/marriage wall support; or B. The home is located in Washington and Hancock counties (wind zone II) and the home is to be rented or occupied by someone other than the home owner.
2. Footings for homes other than those identified in Requirement(1)(A)shall be constructed in accordance with Appendix D(III) Footing Detail I, Appendix D(IV) Footing Detail II or Appendix D(VI) Concrete Slab Detail.
3. An approved footing shall be installed at each support location.
4. Footings shall be centered within 1" of the required support location.
5. Footing surface shall be level within 1/4" on the top surface after the home has been installed.
D. Location of Supports
1. Used homes for which the manufacturer's installation instructions are available shall be supported where required by those instructions.
2. Used homes for which manufacturer's installation instructions are not available shall be supported at locations indicated in Appendix D(VII) Support Location Detail I or Appendix D(VIII) Support Location Detail II.
3. Each section in multi section homes shall be supported as a separate section in accordance with this chapter.
A. For purposes of this standard, required marriage wallsupport shall be the same as required for perimeter blocking support.
E. Pier Requirements
1. Piers shall be constructed at all support locations under the main steel frame of the home.
2. Piers constructed under the main frame shall be constructed in accordance with Appendix D(V) Pier Detail.
3. Continuous perimeter blocking or support, where required, shall be constructed in accordance with Appendix D(IX) Continuous Perimeter Blocking Detail.
4. Piers shall be centered on the footing within 1".
5. Piers shall be centered under the main frame within 1" of required support locations.
F. Leveling Requirements
The home shall be leveled so that all doors and windows operate as intended and plumbing drains function in a safe and sanitary manner.
G. Tie Down Requirements
Tie downs shall be installed in accordance with Appendix D(VI) Concrete Slab Detail on all used homes that are:
1. Located in Washington and Hancock counties(wind zone II); and
2. Rented or occupied by someone other than the home owner.
