nucorhighway.com nucor steel marion, inc. what makes us special? simple system line posts cable hook...

Nucor Steel Marion, Inc. nucorhighway.com

What makes us special?

Simple System

Line Posts Cable Hook Bolts Turnbuckles End treatment


Installation Procedure


Layout Run per Plans

Note grade, obstacles, slope

Slope maximum 6:1

Not within 1’ to 8’ center of median


Mark posts locations

5 SPACES @ 6’ - 6” = 32’ - 6” 3 SPACES @ 6’ - 3” = 18’ - 9”

51’ – 3”

3 CRP posts @ 6’-3”

6 End Terminal Posts @ 6’-6”

Line posts (refer to plans)


Mirror End Treatments


Drill footing holes


String line for line posts


Sockets: 4 step process


2 - #4 dowels

1 - #3 ring


Insert Socket

Use insertion tool

Set depth to string line

Note uneven terrain


Pour CRP Posts


Turnbuckles

Standard Cable = 1 x 750’ (229m)


Cable-ends and Turnbuckles

Slide casting onto cable

Separate tendons and insert wedge

Insert square nut into slot and screw in threaded rod


Turnbuckles

Like This!

NOT like this!

When turnbuckle interferes with post, leave off bolt

Best practice is NOT to install all three turnbuckles in same space


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


Hanging Cable

Mark holes & hang hook bolt “open”

Lift cable, close hook bolts, nuts only require hand-tighten

Note – top, middle, bottom


Cable Heights

Median& Roadside

Top Middle Bottom

29.5” 25.5” 21.5”

750mm 650mm 545mm


Tensioning Cable

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

turnbuckles


Tensioning Cable

For very long runs, pull cable taut and clamp to post.

Place turnbuckles near upstream post.

NOT like this!


Tensioning Cable

Use cable pull and truck to apply initial tension

Plan to pull approx 1’ per 1000’ from taut to 6000 pounds tension.


Tensioning Cable

Check temp of cable

Use Temp Chart

Standard cable, add 15% to initial tension.


Delineation

Every 100’ or 6th post (16’-8”)

3M High Intensity Prismatic #3931 Reflective Sheeting

3M #94 Primer


Installed and Ready to Save Lives


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


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


Additional information, photos, videos, and

manuals available at

Nucorhighway.com

U.S. High-Tension Cable System


Questions ?

U.S. High-Tension Cable System

nucorhighway.com nucor steel marion, inc. what makes us special? simple system line posts cable hook...

Documents

nucor steel marion

tensioning slide

750mm650mm545mm slide

primer slide

ring slide

pass slide

space slide

line posts slide