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© 2014 Foundation Supportworks
®
,
Inc.
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p 325
APPENDIX 4D
SMARTJACK® SYSTEMS
Chapter 4
Miscellaneous Structural Support Products
Model 288 SmartJack
®
System
Typical Crawlspace Detail
Detail Variations
Technical Specifications
SJ288TP (Top Plate):
1
” x 4.00” x 4.00” ASTM A 36 plate with
Ø
1.500” x 0.250” wall x 1.375” long ASTM A53
Grade B confining ring.
Allowable compression with sawn lumber girder = 4.2 k
Allowable compression with structural steel girder = (will
not govern)
SJ288TPS4 (Top Plate):
For use in combination with PowerBrace™ beams
3/16
” x 3.00” x 6.00” ASTM A36 bent plate with
Ø
1.500” x 0.250” wall x 1.375” long ASTM A53
Grade B confining ring.
Allowable compression = (will not govern)
SJ288TBBS4, SJTBTS4
(PowerBrace™ Bracket):
For use in combination with PowerBrace™ beams.
(2) -
3/8
” x 4.50” x 5.00” ASTM A36 plates,
Ø
1.500” x 0.250” wall x 1.375” long ASTM A53 Grade B
confining ring, (4) -
Ø
1
” x 5.50” bolts with nuts.
Allowable compression = 8.3 k
SJ100ATR (All-Thread Rod):
Ø
1” x 8” long ASTM A 108 Grade 1018 all-thread rod with
welded heavy hex nut. Yield strength = 70 ksi (min.), tensile
strength = 85 ksi (min.).
Allowable compression for system heights up to 9 feet = 11.0 k
Rev. 1/15/16