What makes us special

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What makes us special?

• Simple System
• Line Posts
• Cable
• Hook Bolts
• Turnbuckles
• End treatment

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Installation Procedure
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Layout Run per Plans

• Note grade, obstacles, slope
• Slope maximum 61
• Not within 1 to 8 center of median

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Mark posts locations

• 3 CRP posts _at_ 6-3
• 6 End Terminal Posts _at_ 6-6
• Line posts (refer to plans)

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Mirror End Treatments
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Mirror End Treatments
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Drill footing holes
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String line for line posts
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Sockets 4 step process
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2 - 4 dowels 1 - 3 ring
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Insert Socket

• Use insertion tool
• Set depth to string line
• Note uneven terrain

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Pour CRP Posts
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Turnbuckles

• Standard Cable 1 x 750 (229m)

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Cable-ends and Turnbuckles

• Slide casting onto cable
• Separate tendons and insert wedge
• Insert square nut into slot and screw in threaded
  rod

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Turnbuckles

• When turnbuckle interferes with post, leave off
  bolt
• Best practice is NOT to install all three
  turnbuckles in same space

NOT like this!
Like This!
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Laying Cable

• Have cable reels and posts on trailer
• Install cable ends at CRP and strip out cable
• Drop posts off while moving
• Tractor/Trailer makes one pass

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Hanging Cable

• Mark holes hang hook bolt open
• Lift cable, close hook bolts, nuts only require
  hand-tighten
• Note top, middle, bottom

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Cable Heights
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Tensioning Cable

• Ratchet Come-Along
• Hydraulic Cylinder
• Front End Loader
• Any other method
• Fine tune at turnbuckles

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Tensioning Cable

• For very long runs, pull cable taut and clamp to
  post.
• Place turnbuckles near upstream post.

NOT like this!
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Tensioning Cable

• Use cable pull and truck to apply initial tension
• Plan to pull approx 1 per 1000 from taut to
  6000 pounds tension.

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Tensioning Cable

• Check temp of cable
• Use Temp Chart
• Standard cable, add 15 to initial tension.

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Delineation

• Every 100 or 6th post (16-8)
• 3M High Intensity Prismatic 3931 Reflective
  Sheeting
• 3M 94 Primer

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Installed and Ready to Save Lives
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WARNING!

• String line, consistent heights
• Offset, mirror CRP
• CRP concrete in center
• L-bracket positioning
• Cable order to CRPs
• Grease turnbuckles and end connectors
• Turnbuckles every 750 or 1000
• 25 degrees rebar angle
• Wedge insertion
• Cable height and tolerances
• All hook bolts installed
• Check cable temperature
• Recheck tensioning

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Product Support

• Engineering Design Support
• Material Summaries for Runs
• Field Supervision
• Field Train of Installation Crews
• Installation Manual
• Specification Sheets
• Product Literature

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U.S. High-Tension Cable System
Additional information, photos, videos, and
manuals available at Nucorhighway.com
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U.S. High-Tension Cable System
Questions ?