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.
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Traffic Control Devices
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All 4 work zones must conform to these (4) standards
-Fulfill a need -Command attention -Convey a clear, simple meaning -Command repect from road users -Give adequate time for proper response
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Score needed to pass the flagger written exam
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80 percent
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This is where a Flagger should be standing at all times.
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Shoulder by the fog/edge line.
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These two kinds of crashes occur frequently near the taper and channeling devices
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Fixed Object & Sideswipe
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Stop/Slow retroreflective paddles must be ----- wide, and letters ------ high.
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18" wide, 6" letters
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Flaggers shall never flag from these (3) main areas.
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-On/Under a Bridge -On/Under an overpass -In a vehicle
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Retroreflective vests must be visible to this minimum distance.
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1000 ft
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For nighttime flagging, this type of safety vest should be worn.
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Class 3
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35.74 + .6215T - 35.75 (V0.16) + .4275T (V0.16)
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Wind chill formula
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The minimum mounting height from the roadway to the bottom of an electric arrow panel.
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7'
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For portable changeable message signs, the message being stated should be visible for at least this minimum distance.
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650'
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SPF
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Sun Protection Factor
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Sun block SPF 20 will offer this amount of time of sun block.
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400 minutes (20 X SPF #)
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The distance between the flagging station and the work space should never be less than ____ away.
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50 ft
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Warning signs and channelizing devices may be omited where the work space is behind a barrier, more than 2ft behind the curb, or 15ft from the edge of any roadway
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2ft - 15ft rule
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Duration of work for flagging, this is the type that occupies a location more than 3 days.
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Long-Term Stationary
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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.
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Intermediate-Term Stationary
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Duration of work for flagging, this is the type that occupies a location for more than 1 hour within a single daylight period.
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Short-Term Stationary
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Duration of work for flagging, this is the type that occupies a location up to 1 hour.
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Short Duration
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Duration of work for flagging, this is the type that moves intermittently or continuously
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Mobile
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If a driver is going 60mph and needs to make a stop, this is the distance needed to come to a complete stop
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366 ft.
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What height should a staff flagging stop/slow paddle be?
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Above eye level
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For night flagging, the stop/slow paddle should have ----- width and ------ letters.
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24", 8"
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Three MUTCD official hand movements for flagging
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Stop, Proceed, Alert/Slow
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(2) Document that must be kept on file at each system in reference to traffic control
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-MUTCD part 6 -Local/state publications
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Orange Warning sign
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Temporary Traffic Control
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Red Regulatory Sign
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Stop or prohibition
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White or Black signs
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Regulation
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Yellow Warning Sign
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General Warning
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Blue Guide Sign
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Motorist Services Guidance
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Fluorescent Pink Warning Sign
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Incident Management
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Fluorescent Yellow-Green Warning Sign
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Pedestrian/Bicycle/Playground/School Warning
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Green Guide Sign
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Movements permitted, direction guidance
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Brown Guide Sign
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Recreational and Cultural Interest
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For construction zones, what is the last sign to be setup.
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End Road Work
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How far away from work space shall the END ROAD WORK be setup?
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500 ft
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The purpose of this is to divert traffic from its normal path in order to safely guide motorists around a work site.
-Reduce accidents -Minimize the potential for injury to Comcast employees and the public -Reduce damage to public and private property -Minimize the possibility of claims and litigation arising from work zone accidents -Reduce confusion to motorists -Expidite traffic flow -Improve public image
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Rule Number One for flaggers rules of conduct
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Always carry your flagger certification card while on the job
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The percentage rear-end collisions account for in accidents within a work zone
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40%
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Percentage of traffic fatalities involving an intoxicated or alcohol-impaired driver
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45 %
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The reason bridges and overpasses must never be flagged
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No predetermined escape route for flagging
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Signs of Heat exhaustion
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Pale, usually sweaty skin, nausea and weakness
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Signs of Heat Stroke
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Red, hot, usually dry skin, and altered mental status
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Signs of Hypothermia
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Uncontrollable shivering, pale skin, altered mental state (no shivering in extreme late stage)
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Signs of frost bite
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Skin may appear white, waxy and numb
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What is table 6E-1 used for
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Buffer Space for Work Zones
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An area that seperates road users from the work area or an unsafe area
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Buffer spaces
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Guidline used for determining following distance in good conditions
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The Three to Four Second Rule
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(5) Conditions under which extra time should be added to the 3 to 4 second rule
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-At night -When raining -When towing -When conditions are icy or snowing -When being tailgated
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The (4) areas of a traffic control zone
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-Advanced Warning Area -Transition Area -Activity Area -Termination Area
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Gives first indication to a road user that there is a potential hazard ahead
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Advanced Warning Area
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Where road users are redirected out of thier normal path
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Transitition Area
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Location where the work takes place in traffic control zone
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Activity Area
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Used to return road users to thier normal path
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Termination Area
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The (3) categories of road signs
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-Regulatory -Warning -Guide
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-Gives notice to road and traffic laws or regulations. These signs impose legal obligations and/or restrictions on all traffic -Generally rectangular (long verticall) -Black lettering, white background
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Regulatory Sign
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-Gives notice to road users of a situation that might not be readily apparent -Genrally diamond shape (48" X 48") -Temporary signs are orange with black lettering -Permanent signs are yellow with black lettering
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Warning Signs
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-Show route destinations, destinations, directions, distances, services, points of interest, or other geographical information -Rectangular shape (long horizontal) -Temporary signs are orange with black lettering -Permanent signs are green with white lettering
(3) Types of electric lights used to alert and guide motorists and pedestrians safely around a work site.
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-Floodlights -Steady-Burning -Warning
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These are low intensity flashing lights mounted on barricades, drums, panels or other advanced warning signs.
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Type A
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These are high intensity flashing lights mounted on advance warning sings to mark extremely hazardous conditions.
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Type B
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These are steady burn lights used to mark the roadway edge during nighttime hours.
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Type C
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These are 360 degree steady burn lights used to delineate the edge of a traveled way
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Type D
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These (2) types of lights should be placed on the outside of the curve to delineate a curve.
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-Type C -Type D
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These (2) types of lights should be used at night
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-Type A -Type C
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Distance from which class A and C lighting should be visible at night
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3000 ft
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Distance from which class b lighting should be visible durring the day
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1000 ft
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PCMS
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Portable Changeable Message Signs
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A divided highway with partial control of access
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Expressway
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A divided highway with full control of access
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Freeway
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minimum size for construction warning signs
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48" x 48"
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AFAD
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Automated Flagger Assistance Device
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RTDS
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Roadway Traffic Design Standards
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FHWA
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Federal Highway Administration
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DOT
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Department of Transportation
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TSA
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Transportation Safety Administration
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Passing score for ladder handling written test
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92 %
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How soon after hire date a feild tech must be trained in ladder handling
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90 days
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(6) Pieces of PPE necessary for ladder handling
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-Climbing or work gloves -Body belt and safety strap -Climbing boots -Safety Hard hat -Safety glasses -FVD
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Minimum heel height for climbing boots
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3/4 " new, 1/2 " used
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(5) Steps for ladder handling
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-Preparation and inspection -Move the ladder -Ladder setup -Ascending and descending -Finish the job
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Step that must be taken before moving ladder at any point
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Walk your path
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(5) Components of a pole inspection
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-FVD -Sound test -Prod test -Visual inspection -Rocking test
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While hammer testing a pole, this range circumferentially should be tested
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Ground to as high as can be reached
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Under OSHA standards, bonds between the suspension strand and the existing ground shall be at least this
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No. 6 AWG copper
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PCB
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polychlorinated biphenyls
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Cancer-causing agent older transformers may contain
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PCB (polychlorinated biphenyls)
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The (2) times durring ladder handling when accidents are most likely to occur
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-On the way down -Within 10 feet of the ground
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Instance when fall protection is necessary
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Anytime working near an edge that is 6 feet or more above a lower surface
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(4) situations when OSHA requires the use of a 5-point safety harness
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-Bucket trucks -Climbing towers -Rooftops -Confined Space
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Definiton of low slope roof
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A roof having a slope less than or equal to 4:12
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Definition of steep roof
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A roof having a slope greater than 4:12
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(3) Types of fall protection for unprotected side or edge
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-Guardrail system (toe boards for steep roof) -Safety net system -Personal fall arrest system
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Required fall protection for low slope roof less than 50 ft width
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Safety monitoring system
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(4) Required fall protection devices for low slope roof greater than 50 ft width
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-Guardrail -Safety net -Personal fall arrest system -Warning line
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Minimum height of guardrail
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Between 39'' and 45''
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Minimum height of safety nets below the working enviornment
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30 ft
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Distance of safety line from roof edge
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6 ft
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Person who accompanies workers on roof to warn workers who get to close to the edge
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Safety Monitoring System
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(4) Components of personal fall arrest system
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-Rigged for 6ft free fall max, no contact with lower surface -Anchor point must support up to 5000 lbs per employee -D-ring attatchment will be at back, shoulder level -Must be inspected prior to each use
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Fall rate for person without arrest system
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4 ft in 1/2 second
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Technician action when roof damage is found
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Leave the roof immediately
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OSHA standard concerning rooftop safety
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1926.501
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Minimum passing score for pole climbing written test
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92 %
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Passing score for practical test climb (pole & ladder)
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Pass / fail
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(4) Mandatory parts to passing a pole climbing practical exam
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-10' Hitchhike -18' climb -Maneuver around the pole 180 degrees -Trust it and Prove it
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If attempting to climb higher than 4 ft, one of these 3 fall protection methods are mandatory
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-Double lanyard system -Fixed Cable System -Retractable System
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OSHA regulation for pole climbing
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OSHA 1910-268 Title 29
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(5) Charectoristics of work shirts used when pole climbing
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-Long sleeves -100% cotton -Sleeves buttoned and extended -Use kevlar gloves in lieu of sleeves -Avoid synthetic materials
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ANSI rating for safety glasses
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Z87.1-2003
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OSHA rating for body belts
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OSHA 1910.268(G)(2)(i)-(ii), and 1929.959
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OSHA specification for Safety strap
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OSHA 1910.268(G)(2)(i)-(ii), and 1929.959
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Condition suggested by excessivly slack or taught lines attatched to pole
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Excessive lean
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(4) Recommended "extra" safety equiptment in truck for adverse weather or rural conditions
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-Food -Water -Blanket -Change of clothes
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Most common pole preservative
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Pentachlorophenol
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Least desirable preservative used on poles
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Creasote
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What to do if lighting is present in your work enviornemnt (2)
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-Do not work outside -Do not work on pole
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Question one should ask before pole climbing
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"Am I willing to bet my life on it?"
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MUTCD
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Manual on Uniform Traffic Control Devices
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NHTSA
answer
National Highway Traffic Safety Administration
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TMA
answer
Truck Mounted Attenuator
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HAR
answer
Highway Advisory Radio
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