Safety Eligibility Letter SS-22
Hardware Type:
Sign Supports, Mailboxes, and Delineator Posts
Code:
SS-22
Date:
Testing Criteria:
NCHRP 350
Manufacturer:
Trus Joist Corporation
Device Description:
Type "L" MICRO=LAM with revised saw cut
View PDF:
ss22.pdf (129.82 KB)
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*Compare to 1986 tests with 1840# Rabbit:
20 mph test, weak soil, velocity change 8.4 fps
60 mph test, weak soil, velocity change 9.2 fps