Installation Law Briefing. Licensing Trigger is installing a home on a foundation Anchoring – no Grading – no Excavation – no Pouring basement – no The.

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 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)

Application $100 license fee plus one time $10

application fee for 4 year license Take 12 hour qualifying class

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

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

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

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

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

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

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

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

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

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.

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

Federal Installation Standard Applies to homes built on or after April 1 Modified by Department of Department of

Safety & Professional Service

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

Understanding Part 3285 Code is available from the front page of the

Alliance website It includes “wisconsin-isms”

Application These standards apply to HUD Code

manufactured Homes not modulars.

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

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

“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

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

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.