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