2Licensing Trigger is installing a home on a foundation Anchoring – noGrading – noExcavation – noPouring basement – noThe person supervising the home going on the foundation - yes
3LicensingGeneral supervision – installer does not need to be on the job siteHomeowner is exempt from licensing but if other people are hired they would then need a license (no way around the law)
4Application$100 license fee plus one time $10 application fee for 4 year licenseTake 12 hour qualifying class
5RenewalRenewal requires 12 hours of continuing education over the 4 year periodAlso must not have been found responsible for breaking the rule or defrauding a customer
6Wisconsin Installation Standard Act 45 authorized adoption of standardsManufactured Housing Code Council - recommended rule adopted draft federal ruleCouncil is attached to the Dept of Safety & Professional ServicesPublished in Administrative Register
7SPS 321.40 – Homes built prior to April 1 Formerly Comm 27.18Now a part of the UDCApplies to homes built before April 1, 2007
8SPS 321.40 - Homes built prior to April 1 Ground sets permitted – no frost protectionNo footing on unprepared fill. All organic matter must be removed.Soil bearing test using pocket penetrometerGrade site to drain water away for minimum of 5 ft from homeA footing for every pier, nominal 16” by 16”Consult the manufacturer, engineer or architect if soil is less than 2000 psi
9SPS Footingsone 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 lbs18 inch diameter hole bored below the frost line or to unfractured bedrock and filled with poured concreteOther materials or systems approved by Department of Safety & Professional Service
12SPS 321.40 Piers - Homes built prior to April 1 Concrete blocks, manufactured steel stands or manufactured concrete standsSingle stack piers limited to 36 inchesSingle stack piers loads limited to 8,000 lbs36 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
13SPS 321.40 Concrete Blocks 2 core design, construction grade 8x8x16 Cores placed with cores open verticallyBlock nearest main frame shall be perpendicular to the linear direction of frameNo block may contact the frame
14SPS 321.40 – Pier Spacing No more than 7 feet on center No more than 3 feet from exterior side of each end wallCan be varied to follow manufacturer tablesPiers under clear-span openings of 4 feet or more in mating wallsPiers must be plumb and centered under point of support
15SPS CapsSolid concrete block or solid wood block having nominal thickness of at least 2 inchesCap must be same width and length as top of pierNo more than 2 pieces – 2 piece caps positioned with joint perpendicular to frame if used
16SPS ShimsWhere 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.
17SPS – Height limitsCombination of nominal 2 inch solid concrete block or wood cap plus shims must not exceed 3 ½ inchesMinimum 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
18Federal Installation Standard Applies to homes built on or after April 1Modified by Department of Department of Safety & Professional Service
19The Standards 3280 – HUD Construction Standards for the home 3285 – HUD Model Installation StandardsThe following must be AT LEAST AS STRINGENT as the federal modelState StandardsManufacturer Manuals
20Understanding Part 3285Code is available from the front page of the Alliance websiteIt includes “wisconsin-isms”
21ApplicationThese standards apply to HUD Code manufactured Homes not modulars.
22Major Differences Must be a frost protected foundation system Monolithic Slab (not runners)Cylindrical Concrete Footings bored to 48" Min. DepthInsulated foundation systemDrainage 10 away verses 5 feetNo Ground Sets!All of home must be no less than 12” above grade
23Major Differences Concrete blocks must meet ASTM C90 Piers may be 10 ft apart verses 7 ftDouble blocking required above 36” and all corner blocksPiers no more than 2 ft from ends verses 3 ft from endsMore 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
25Things to Watch! Permits required Inspections required Setbacks Fire protectionSteps & decksEnforcement may not be uniform for awhile but that doesn’t mean it’s not coming
26AC InspectionsAlternative 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.