(1) All tie-down
straps shall be tested to American Society for Testing and Materials (ASTM) D
3953-91.
(2) All tie-down straps,
etc., shall be Type 1, Finish B, Grade 1, Steel Strapping 109, 000 minimum
yield strength, .035'' minimum thickness (plus or minus .002 in. - 0.05MM),
Finish B - hot-dipped galvanized zinc coating (ASTM Standard 123-89A); .60
ounces per square foot, per surface, 4750 pounds minimum break strength, marked
every 12 to 15 inches (manufacturer's name and ASTM Spec. D3953-91), 1 1/4''
width (plus or minus .005 in. - 0.13MM), 6.6 feet per pound of strap,
elongation 6.5% to 12%.
(3) All
straps shall be subjected to the following test procedures: (Refer to Example
No. II for the proper format to use in reporting test results.)
(a) Bend Test (5 bends)
Strap shall be bent by hand over a radius of 1/8 inch plus or
minus 1/64'' inch. One bend shall consist of a ninety (90) degree bend in one
direction and return to the original position. Make successive bends in
opposite directions.
(b)
Breaking Test
The crosshead speed shall be two inches (2''). The test
specimen shall be six inches (6'') in length between the clamps or
jaws.
(c) Elongation Test
The elongation testing shall be conducted on the six inch
(6'') length of strap exposed between the jaws. Two (2) measurements for
elongation shall be recorded at four thousand seven hundred twenty-five (4,
725) pounds then test shall be continued to strap failure and elongation
recorded.
(d) Hardness Test
or Military Specification listing the properties.
(4) Strap Splice or Connections
(a) Strap splice shall require at least
twelve inches (12'') of strap overlap with two (2) seals evenly spaced. Each
seal shall have two (2) crimps evenly spaced. All strap connections must be
manufactured to meet minimum standards of Rule
15C-1.0105, F.A.C., and must be
approved by the department.
(b)
Factory installed sidewall and centerline bracket attachments shall require at
least one (1) seal with two (2) crimps or equivalent welds evenly spaced and
protected with a radius clip or manufactured bent or formed radius protective
tab. (Note: Bracket lacing or field threading shall not be used.)
(c) Vertical and frame tie connections must
be designed to swivel where attached to the mobile/manufactured home and must
be connected to the home by means of grade #5 bolts with a minimum diameter of
one-half inch (1/2'').
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Notes
Fla. Admin. Code Ann. R. 15C-1.0107
Rulemaking Authority 320.011, 320.8325(1) FS. Law
Implemented 320.77(10), 320.822(12), 320.8285, 320.8325, 320.835(2)
FS.
New 1-10-94, Amended 10-2-95,
3-31-99.
New 1-10-94, Amended 10-2-95,
3-31-99.
