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MASONS SUPPLY COMPANY
Oregon (800) 537-3407 ♦ Washington (800) 537-6216
Clackamas | Eugene | West Eugene | Hillsboro | Medford | Portland | Salem | Wilsonville | Ridgefield | Seattle | Tacoma | Woodinville
M A S C O . N E T
HORIZ. FORMING & SHORING
Hand Jack
For fast, easy shore height adjustment.
Makes leveling shores and purlins simple.
Screw Jack
Transforms a 4x4 into an adjustable
reusable shore. Allows 6" standard
adjustment using acme threads and built
in handle. Simple to install and remove.
No.
Wt (lbs)
EL SJ
12.0
No.
Wt (lbs)
EL EJ
14.0
Allowable Load Chart
Allowablemaximumvalueof6,000 lbs.pershore
is basedupona safety factor of 3, against failure
of the mechanical mechanism of splice joint.
ALLOWABLE LOAD:
Table based upon
allowable unit stresses of 1,500 lbs. per sq. in.
for wood members of fir or yellow pine, free
of knots. This table is based upon approved
engineering standards, but does not
compensate for unusual conditions.
ALLOWABLE LOAD
FOR ELLIS
4 X 4 SHORES
Total
Shore Height
Including Jack
Maximum Load
Capacity
4'
15,000
6'
12,000
8'
7,200
10'
5,000
12'
3,000
14'
2,600
15'
0
Screw Jack Is Included In Shore Height Calculations.
Lumber Must Be Cut Square On Both Ends.
Capacities Include A Standard 2-1/2 To 1 Safety Factor.
MAXIMUM SAFE WORKING LOAD (LBS.)
Douglas Fir Dimensional Lumber (3-1/2" Square)
DROPHEAD
ADAPTOR
4"x4" / Drophead Adaptor
Used with a 4x4 wood post to attach the
HV Drophead when custom short posts are
required, or to provide a connection to an
aluminum joist/stringer.
No.
Wt (lbs)
MAS 1562 8.0
ELLIS SHORES




