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9.6
'U' TUBE SEISMIC RESTRAINT
In areas prone to earthquake, or as specified on a project, install lateral and longitudinal seis-
mic restraints as indicated in Figures 17 & 18. Typical suspension of the 'U'-Tube heater is
with #2 Lion Chain, or minimum 1/8" wire rope. If the heater location can be impacted by wind
(outdoors, aircraft hangars, etc) then rigid suspension such as 3/8" rod with turnbuckle adjust-
ment can be used to provide vertical restraint for the heater. In all cases, fasten reflector to the
hangers using sheet metal screws
These restraint systems indicate typical suspension of and attachment to the heater. The at-
tachment of suspension hardware to the structure will be as required by site structural condi-
tions, installation codes, and/or local engineering design requirements. Other types or systems
of restraint may be specified by local or national codes, or by project engineering design speci-
fications.
Schwank / InfraSave offers optional items: #2 Lion Chain 115 lb work load x 200 ft roll (PN: JL-
0800-XX); and Safety Snap Hooks (PN: JL-0800-SH = pkg 24; JL-0800-SH-B = pkg 100).
Any and all other required seismic mounting hardware is field supplied by the installer.
FIGURE 17
FIGURE 18
1/4" diameter
hole in hanger
each side
1/4" diameter
hole in hanger
each side
21
S100/ITB I&O Manual
IM101230
RD: JAN 2012
RL: 6B- BA
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