9-47.
Which pile should be located first?
1.
The downstream pile
2.
The pile farthest from shore
3.
The pile closest to shore
4.
The upstream pile
Learning Objective: Recognize
principles and practices associated
with stakeout and as-built surveys.
Identify the purpose of a
construction sheet.
9-48.
When performing a stakeout for a
sewer, you obtain the data for the
stakeout from what source?
1.
The utilities sheet of the
drawing
2.
The plan and profile
3.
The grade sheet
4.
The site plan
9-49.
The alignment may be marked by
which of the following methods?
1.
Center-line hubs
2.
Center-line stakes only
3.
Offset hubs only
4.
Offset hubs and offset stakes
9-50.
When staking out a manhole that has
a line running through it, you
should place hubs that list what
type of information?
1.
The invert elevation of the
inlet
2.
The center line of the manhole
3.
The invert elevation of the
outlet
4.
The invert elevation of all
inlets and outlets
9-51.
The cut for the sewer line is
measured from what point in the
field?
9-52.
Battens serve what purpose in sewer
stakeout construction?
1.
Indicate the center line
of the pipe
2.
Brace the batter boards
3.
Indicate the amount of cut
4.
Set the pipe to the proper
elevation
9–53.
Sewer curb inlets are staked out
with reference to
1.
the sewer plan
2.
the curbing plan
3.
the street plan
4.
the drainage plan
9-54.
The use of a laser to control the
alignment for excavating a trench
and setting a pipe also eliminates
the need for what other equipment?
1.
Batter boards only
2.
Batter boards and hubs
3.
Hubs and strings
4.
Batter boards and strings
9-55.
A laser light beam consists of how
many wavelengths of light?
1.
One
2.
Two
3.
Three
4.
Four
9-56.
Which of the following aids assists
the worker in controlling the
invert elevation of the pipes being
laid with a laser?
1.
An L-shaped pole
2.
The laser beam
3.
Hubs
4.
A string line and plumb bob
1.
From the existing ground
2.
From the top of the hub
3.
From the top of the guard stake
4.
From the top of the center-line
stake
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