104 04 temporary concrete traffic barrier list of qualified products traffic control materials qualified temporary product producer approval date recertification date f shaped barrier rockingham precast j j hook f shaped barrier mb7d pc smith midland corporation j j hook concrete safety barrier faddis concrete products.
Temporary concrete traffic barriers.
Low profile barrier 412.
Type iii construction barricades total of 2 sheets eb 08 036.
When used appropriately temporary barrier has the potential to reduce the severity of crashes.
Mini 4 foot concrete traffic barriers are ideal for filling space not requiring coverage exceeding than 4 6.
The temporary barrier itself can be considered a hazard but when used appropriately it protects from a more serious hazard and.
Buffer area behind the barrier to allow for lateral deflection into both work areas and lane separation situations.
It is common for dots to ask for lengths of.
Dimensions unless otherwise specified the minimum length of each barrier section will be 10 feet.
Work zone traffic control legends and notes.
A jersey barrier also is known as a k rail a term stipulated in the california department of transportation specification for temporary concrete traffic barriers or colloquially as a jersey bump.
Temporary concrete barrier total of 6 sheets eb 19 045.
Temporary concrete barrier separates traffic realigns twice daily.
By anthony macuk columbian business reporter published.
The preferred installation method for temporary concrete traffic barrier is freestanding and requires a minimum 2 ft.
Concrete design strength 4 000 psi in 28 days air entrainment unless otherwise specified all concrete will have an air content of 5 1 as measured by astm test method c 173 or c 231.
A buffer area is an unprotected or unshielded area.
Two lane two way work outside shoulder.
However care should be used in the application of temporary barrier since.
September 22 2020 6 36pm.
Portable temporary wooden sign support.
Pctbs are needed for separation and channelization of vehicle movement and for w more.
State of new jersey as separators between lanes of a highway.
Work zone traffic control general notes.
Type k temporary concrete barrier system 414.
Also if you are looking for something lighter than a standard 10 or 12 long barrier for ease of mobility makes short barriers a good option for area protection.
Portable concrete traffic barriers pctbs are commonly used in work zones or in temporary median barrier applications.
General information for traffic control through work zones 600.
