What is the criteria for mounting signs on a Type 3 barricade?
Signs up to 10 square feet must be bolted to the top rail, this would include the ROAD CLOSED and the detour arrow signs. Signs 16 square feet and over must be bolted to the rails and both upright supports. Signs may be mounted on a separate crashworthy support and must be placed behind the barricade.
What are Type II barricades?
Type II Barricades Impact resistant legs available in steel or HDPE tubing with cross bars 1 1/2″ x 1 1/2″ x 1/4″ thick; barricade legs intermesh for compact storage. Type II barricades come in two sizes, either 24″ or 36″ wide with extruded or fluted plastic panels from 8″ to 12″.
What is a TTC device?
TEMPORARY TRAFFIC CONTROL ZONE DEVICES. Section 6F.01 Types of Devices. Support: Whenever the acronym “TTC” is used in this Chapter, it refers to “temporary traffic control”.
What is the purpose of an advanced warning area?
The advance warning area is the section of highway where road users are informed about the upcoming work zone or incident area.
What are Type III barricades?
Type III Barricades are larger than Type 2 or Type 1 and have three reflective panels. Type 3 barricades are most often used for road closings because of their bigger size and visibility. They are positioned across roadways for detours, road closing and other types of traffic control.
What is the minimum height of a Type 3 barricade?
|Height of bottom panel / board off roadway:||12.00″ minimum|
|Reflective Sheeting:||Many options available|
What are the three 3 types of road construction barricades *?
Type I barricades have one reflective rail on either side of the frame, type II barricades have two reflective rails, and type III barricades have – you guessed it – three reflective rails.
What are the 5 areas of a work zone?
The temporary traffic control zone generally has five sections: the advanced warning area, the transition area, the buffer area, the work area, and the termination area.
How many cones should a flagger taper have?
A 50 ft, 6 cone taper is the BARE MINIMUM in PA. Higher speed limits require more cones, sloaned at greater distances.
What are the 5 different areas in a work zone?
How many cones are required at a flagger station?
4 to 6 cones may be placed on the lane line approaching the flagging station to address vehicles crossing over to go around the AFAD.
What is the difference between a Type I and Type II barricade?
Type I barricades have one reflective rail on either side of the frame, type II barricades have two reflective rails, and type III barricades have – you guessed it – three reflective rails. The more reflective rails, the sturdier the barricade.