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Installation Law Briefing

Installation Law Briefing . 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. Licensing.

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Installation Law Briefing

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  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 321.40 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

  10. 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

  11. 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

  12. 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

  13. SPS 321.40 - 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

  14. SPS 321.40 - 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.

  15. SPS 321.40 – 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

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

  17. 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

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

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

  20. 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

  21. 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

  22. “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

  23. 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

  24. 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.

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