• Rib-Bak® System
• Modified Rib-Bak® System
• Low-Tension Cable Barrier
• NCHRP 350:  TL-3
• Deflections:  12 feet
• Cable:  3 cable
• Post Spacing:  16 feet
• Slope rating:  6 to 1
• 

 

• This low-tension system is perfect for guide rail applications where deflection needs are 12 ft. or greater. Three 3 x 7 steel cables are supported by strong (up to 100 KSI yield strength) yet economical 4 lb. Nucor Steel Marion RIB-BAK®
  U-channel posts, galvanized for long life. Cables are attached to the U-channel posts by unique hook bolts, and anchored at both ends into FHWA-approved end terminals.

The Nucor 4 lb. Rib-Bak® U-channel post is an acceptance alternate post for the commonly used generic low tension systems on the roadway today.

The Rib-Bak® Low-Tension System utilizes the standard J-bolt connection hardware on the generic low-tension systems and the 4 lb. Rib-Bak® U-Channel post as an alternate to the S3 x 5.7 x 5' - 3".

The Modified Rib-Bak® Low-Tension System utilizes the Nucor locking hook bolts as well as the 4 lb. Rib-Bak® U-Channel post as an alternate to the S3 x 5.7 x 5' - 3". This system allows for deflections less than 12 feet.

 

WSDOT (Washington) Generic Low Tension System Standard

South Carolina Generic Low-Tension System Standard

Missouri Generic Low-Tension System Standard

 

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