NU-GUARD™-31 is a strong post guardrail system available for use without offset blocks for 31″ rail height applications. The system is crash-test proven to guard against collisions with fixed objects or hazards. MASH approved.

Features

• Crashworthy to NCHRP 350 and MASH criteria.
• Does not require offset blocks.
• FHWA accepted for use on roads with design speeds up to 65 mph. (Ref. B-162)
• RIB-BAK 5 lb./ft. U-Channel post is easier and faster to install than wood or I-beam posts.
• RIB-BAK U-Channel posts available galvanized or powder coated.
• Approved for both roadside and median applications.
• Median configurations for 31″ rail height applications.
• The narrow profile of this barrier is valuable when roadside space is limited.
• Through-bolt slot works to maintain rail height during impact.

Specifications

• Guardrail: Use with standard w-beam (AASHTO M-180, Class A or B, Type II)
• W-Beam Height: 31” for Roadside and Median
• RIB-BAK U-Channel: 5 lb./ft.; 6’ 6”; Nucor Grade SP-80
• Post Spacing: 6’ 3” Typical
• Offset Blocks: Not Required
• Slope: 6 to 1 or less
• NCHRP 350 Tested: TL-3 and TL-4 Compliant
• MASH Tested: MASH TL-3 Compliant