LESSON 3
HEAVY TIMBER CONSTRUCTION
CREDIT HOURS----------------------------------------------------3
TEXT ASSIGNMENT----------------------------------------------Study chapter 3 of Memorandum 533.
LESSON OBJECTIVE---------------------------------------------To teach you the fundamental principles of
constructing and maintaining warehouse
loading docks and waterfront structures.
EXERCISES
Requirement: Solve the following multiple- choice
4. Which one of the following tool should be
exercises.
used by two men together?
1. How would you space the piles supporting a
a.
timber carrier
c. cant hook
pier?
b.
pike pole
d. peavy
a.
30 feet apart, braced along the sides
5. What generally causes timber decay on
b.
18 feet apart, center-to-center
docks?
c.
6 feet apart, center-to-center, in the other
direction
a.
fungi
d.
6 to 10 feet apart, center-to-center, in one
b.
termites
direction, and 5 feet apart, center-to-center, in
c.
marine borers
the other direction
d.
atmospheric conditions
2. What is the minimum thickness in inches for
6. In constructing a pier, which one of the
the decking of a loading platform?
following would you secure to the caps?
a.
1
c. 3
a.
joists
c. purlins
b.
2
d. 4
b.
girders
d. sills
3. If you were fastening decking that is 3
7. Wharf girders are secured with drift pins, as
inches thick, how big a spike would you use?
are pier girders. Where would you secure these
wharf girders?
a.
5-inch
c. 7-inch
b.
6-inch
d. 8-inch
a.
directly on the bearing piles
b.
on caps that are secured to the piles
3-1
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