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Each pier must have sufficient capacity to
support the design loads corresponding to the
selected
pier
spacing.
dimensions of footings will depend on soil
bearing capacity test results. In lieu of soil
tests, confer with your local Building Authority
for the recommended soil bearing capacity in
your locale. All grass and organic material
must be removed from the area beneath the
footings.
Fig. 10.2 Table 1
Notes for Fig. 10.2 Table 1
1. Footings and piers must be designed to
support the loads (right hand column) at
the selected spacing.
2. The tabulated pier loads include the
indicated live loads plus trailer dead loads.
3. The maximum spacing of supports shall
not exceed 10 feet.
4. Where
it
is
impractical
spacing, such as in the axle area, the
average of the distance to each adjacent
support can be used to determine support
requirements:
For example, if the distances to the
adjacent supports were 6'-0" and 8'-0" the
average spacing would be 7'-0". The
average spacing for pier B would be (6 +
8) / 2 = 7ft. Therefore, the pier would be
designed for 7ft. pier spacing (see Fig.
10.3).
5. Add additional piers at each side of a
single sidewall opening and between
multiple openings (window or door) larger
than 4'-0". The required pier capacity
equals 125 lbs. x opening width (ft.).
The
required
to
maintain
CAMPING & OPERATING
Installation Inspection Checklist
To ensure proper park trailer installation
the following items must be checked during
or promptly after the installation and before
the owner takes possession:
Installation / Placement
Level
Foundation
Tie Downs
Utility connections
Fuel
Water
Electric
Sewage
Exterior
Doors
Windows
Roof
Siding / Trim
Interior
All Manuals
All Warranties
Appliances
Cabinets
Ceiling
Doors
Electrical Systems / Fixtures
Floor Covering / Drapes
Furniture
Keys
Paneling
Plumbing
Trim
Fig. 10.3 Example
SECTION 10
69
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