Flagger
How
long
flagger
certification
is
valid
-
ANSWER
3
years
TTC
-
ANSWER
Temporary
Traffic
Control
The
quality
or
state
of
being
conspicuous
-
ANSWER
Conspicuity
All
signals,
marking,
and
other
devices
used
to
regulate,
warn,
or
guide
traffic,
placed
on,
over,
or
adjacent
to
a
street,
highway,
or
bikeway
by
authority
of
a
public
agency
having
jurisdiction.
-
ANSWER
Traffic
Control
Devices
All
4
work
zones
must
conform
to
these
(4)
standards
-
ANSWER
-MUTCD
-Local
-State
-Comcast
(4)
Typical
Comcast
traffic
control
devices
-
ANSWER
-Cones
-Signs
-Vehicle
strobe
-High
visibility
garments
(5)
Principles
of
traffic
control
devices
-
ANSWER
-Fulfill
a
need
-Command
attention
-Convey
a
clear,
simple
meaning
-Command
respect
from
road
users
-Give
adequate
time
for
proper
response
Score
needed
to
pass
the
flagger
written
exam
-
ANSWER
80
percent
This
is
where
a
Flagger
should
be
standing
at
all
times.
-
ANSWER
Shoulder
by
the
fog/edge
line.
These
two
kinds
of
crashes
occur
frequently
near
the
taper
and
channeling
devices
-
ANSWER
Fixed
Object
&
Sideswipe
Stop/Slow
retroreflective
paddles
must
be
-----
wide,
and
letters
------
high.
-
ANSWER
18"
wide,
6"
letters
Flaggers
shall
never
flag
from
these
(3)
main
areas.
-
ANSWER
-On/Under
a
Bridge
-On/Under
an
overpass
-In
a
vehicle
Retroreflective
vests
must
be
visible
to
this
minimum
distance.
-
ANSWER
1000
ft For
nighttime
flagging,
this
type
of
safety
vest
should
be
worn.
-
ANSWER
Class
3
35.74
+
.6215
T
-
35.75
(V0.16)
+
.4275T
(V0.16)
-
ANSWER
Wind
chill
formula
The
minimum
mounting
height
from
the
roadway
to
the
bottom
of
an
electric
arrow
panel.
-
ANSWER
7'
For
portable
changeable
message
signs,
the
message
being
stated
should
be
visible
for
at
least
this
minimum
distance.
-
ANSWER
650'
SPF
-
ANSWER
Sun
Protection
Factor
Sun
block
SPF
20
will
offer
this
amount
of
time.
-
ANSWER
400
minutes
(20
X
SPF
#)
The
distance
between
the
flagging
station
and
the
work
space
should
never
be
less
than
____
away.
-
ANSWER
50
ft
Warning
signs
and
channelizing
devices
may
be
omitted
where
the
work
space
is
behind
a
barrier,
more
than
2
ft
behind
the
curb,
or
15ft
from
the
edge
of
any
roadway
-
ANSWER
2
ft
-
15
ft
rule
Duration
of
work
for
flagging,
this
is
the
type
that
occupies
a
location
more
than
3
days.
-
ANSWER
Long-Term
Stationary
Duration
of
work
for
flagging,
this
is
the
type
that
occupies
a
location
more
than
one
daylight
period
up
to
3
days,
or
nighttime
work
lasting
more
than
1
hour.
-
ANSWER
Intermediate-T erm
Stationary
Duration
of
work
for
flagging,
this
is
the
type
that
occupies
a
location
for
more
than
1
hour
within
a
single
daylight
period.
-
ANSWER
Short-Term
Stationary
Duration
of
work
for
flagging,
this
is
the
type
that
occupies
a
location
up
to
1
hour.
-
ANSWER
Short
Duration
Duration
of
work
for
flagging,
this
is
the
type
that
moves
intermittently
or
continuously
-
ANSWER
Mobile
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