One claw hammer
2. Model 6-11 is adjustable from a minimum of
6 feet, plus or minus 3 inches, to a maximum of 11 feet,
One hatchet
plus or minus 3 inches. It will also support a maximum
One 3/4-inch cold chisel
vertical load of 20,000 pounds when closed to within
1 inch of the screw jack. It will support a maximum
One 1-inch wood chisel
vertical load of 6,000 pounds when fully extended.
Eight adjustable clamps; four 6 inches and four 8
These shores consist of two telescoping, square,
inches in nominal size
steel tubes. Four spring-loaded locking devices, a
swivel baseplate, and a screw jack are on the outer tube.
One caulking hand tool
A swivel baseplate is on one end of the inner tube. Each
One 24-inch carpenter's square
side of the shore has a spring-loaded locking device.
Each locking device is on the same plane as the locking
One electric hand lantern
device on the opposite of it. However, there is a
Eight 2- by 4-inch softwood wedges
2 1/4-inch offset of the adjacent locking devices.
One bag of nails; two pounds each of 20d and
The steel shores must be maintained in good
operational condition. The tubes must slide easily, and
the swivel joints must move freely. The threads of the
Five pounds of oakum or rags
screw jack must not have any paint on them. Both the
swivel joints and the screw jack threads are to be clean
Five pounds of sand
and greased. All of the holes and slots are to be open
Several sections of shoring; 4 inches by 4 inches
and free of excess paint.
by 10 feet
Steel wedges are more valuable for prying things
apart than for actual shoring. Steel wedges may be used
MEASURING AND CUTTING SHORES
in conjunction with wooden wedges to take some of the
wear and pressure off of the wooden wedges. Steel
The most rapid and accurate way to measure a
wedges can also be welded into place when making
shore for cutting is to use an adjustable shoring batten
semipermanent repairs.
similar to the one shown in figure 8-11. These battens
can be made up from items carried aboard ship. Each
Steel sholes are better than wooden sholes for use
repair party locker is required to have a shoring batten.
under the ends of iron or metal pipe being used as a
temporary stanchion because metal pipe can easily cut
To use the shoring batten, extend it to the required
through wooden sholes.
length and lock it with the thumbscrews on the length
locking device. Then measure the angles of cut by
Although steel bars, angle irons, and pipe can be
adjusting the hinged metal pieces at the ends of the
used for strongbacks, their tendency to spring back and
batten. Lock the angle locking devices in place. Lay the
forth under variable loads must be considered. These
batten along the shore. Mark and cut the timber to the
materials can also be used for making semipermanent
proper length and angle. Shores should be cut one-half
repairs when time is available.
of an inch shorter than the measured length to allow
space to install wedges.
SHORING KIT
If a shoring batten is not available, measure the
Shoring kits are small enough to go through
shores for length by using a folding rule or a steel tape
scuttles and other small openings. The items normally
and a carpenter's square. The step-by-step procedure
contained in a shoring kit are as follows:
for measuring shores in this way, as shown in
A canvas carrying bag that is approximately
figure 8-12, is as follows:
30 inches deep and 12 inches in diameter
Step 1. Measure distance A from the center of the
One 10-pound sledge
strongback to the deck. This distance is known as the
"rise." Then measure distance B from the edge of the
One 8-point crosscut handsaw
anchorage to the bulkhead. This distance is known as
the "uncorrected run." Subtract the thickness of the
One 10-foot metal tape rule
strongback from measurement B. This distance is now
One 50-foot metal tape rule
known as the "corrected run."
8-10