1. Installation Law Briefing

2. Licensing Trigger is installing a home on a foundation
Anchoring – no
Grading – no
Excavation – no
Pouring basement – no
The person supervising the home going on the foundation - yes

3. Licensing
General supervision – installer does not need to be on the job site
Homeowner is exempt from licensing but if other people are hired they would then need a license (no way around the law)

4. Application
$100 license fee plus one time $10 application fee for 4 year license
Take 12 hour qualifying class

5. Renewal
Renewal requires 12 hours of continuing education over the 4 year period
Also must not have been found responsible for breaking the rule or defrauding a customer

6. Wisconsin Installation Standard
Act 45 authorized adoption of standards
Manufactured Housing Code Council - recommended rule adopted draft federal rule
Council is attached to the Dept of Safety & Professional Services
Published in Administrative Register

7. SPS 321.40 – Homes built prior to April 1
Formerly Comm 27.18
Now a part of the UDC
Applies to homes built before April 1, 2007

8. SPS 321.40 - Homes built prior to April 1
Ground sets permitted – no frost protection
No footing on unprepared fill. All organic matter must be removed.
Soil bearing test using pocket penetrometer
Grade site to drain water away for minimum of 5 ft from home
A footing for every pier, nominal 16” by 16”
Consult the manufacturer, engineer or architect if soil is less than 2000 psi

9. SPS Footings
one 4 by 16 by 16 solid blocks or two 4 by 8 by 16 solid blocks.
16 by 16 ABS pad rated at not less than 6000 lbs
18 inch diameter hole bored below the frost line or to unfractured bedrock and filled with poured concrete
Other materials or systems approved by Department of Safety & Professional Service

12. SPS 321.40 Piers - Homes built prior to April 1
Concrete blocks, manufactured steel stands or manufactured concrete stands
Single stack piers limited to 36 inches
Single stack piers loads limited to 8,000 lbs
36 to 80 inch piers – double blocked (layered in opposing layers)
80 inch or more – double blocked laid in concrete mortar, cores filled with mortar and ½ inch steel reinforcing rod

13. SPS 321.40 Concrete Blocks 2 core design, construction grade 8x8x16
Cores placed with cores open vertically
Block nearest main frame shall be perpendicular to the linear direction of frame
No block may contact the frame

14. SPS 321.40 – Pier Spacing No more than 7 feet on center
No more than 3 feet from exterior side of each end wall
Can be varied to follow manufacturer tables
Piers under clear-span openings of 4 feet or more in mating walls
Piers must be plumb and centered under point of support

15. SPS Caps
Solid concrete block or solid wood block having nominal thickness of at least 2 inches
Cap must be same width and length as top of pier
No more than 2 pieces – 2 piece caps positioned with joint perpendicular to frame if used

16. SPS Shims
Where used, driven from opposing sides and be no less than 4” by 8”
Wood caps and shims at least equal to #2 spruce pine fir with min bending stress rating of 1200 psi. All wood caps must be of same species of wood. All shims must be of same species of wood.

17. SPS – Height limits
Combination of nominal 2 inch solid concrete block or wood cap plus shims must not exceed 3 ½ inches
Minimum clearance under home of 12 inches between lowest point of main frame in area of utility connections. Min clearance of 12 inches for 75% of home. Remainder may be less than 12 inches but cannot touch ground

18. Federal Installation Standard
Applies to homes built on or after April 1
Modified by Department of Department of Safety & Professional Service

19. The Standards 3280 – HUD Construction Standards for the home
3285 – HUD Model Installation Standards
The following must be AT LEAST AS STRINGENT as the federal model
State Standards
Manufacturer Manuals

20. Understanding Part 3285
Code is available from the front page of the Alliance website
It includes “wisconsin-isms”

21. Application
These standards apply to HUD Code manufactured Homes not modulars.

22. Major Differences Must be a frost protected foundation system
Monolithic Slab (not runners)
Cylindrical Concrete Footings bored to 48" Min. Depth
Insulated foundation system
Drainage 10 away verses 5 feet
No Ground Sets!
All of home must be no less than 12” above grade

23. Major Differences Concrete blocks must meet ASTM C90
Piers may be 10 ft apart verses 7 ft
Double blocking required above 36” and all corner blocks
Piers no more than 2 ft from ends verses 3 ft from ends
More specifics on permitted woods

24. “Wisconsin-isms” Entire state is 48” frost depth
Anchors to be driven to full depth but need not be more than 30”
Fire separation must also conform to SPS 326

25. Things to Watch! Permits required Inspections required Setbacks
Fire protection
Steps & decks
Enforcement may not be uniform for awhile but that doesn’t mean it’s not coming

26. AC Inspections
Alternative Construction (AC) Inspections WILL NOT be part of Department of Safety & Professional Service’s UDC Inspector Program! ( a "HUDism" per Leroy Stublaski)
Remember to reserve "separate" inspection fees for HUD Homes requiring AC inspection(s).
Contact "Home Manufacturer" for approved inspector contacts.