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Nucorhighway.com Nucor Steel Marion, Inc. What makes us special? Simple System Line Posts Cable Hook Bolts Turnbuckles End treatment.

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Presentation on theme: "Nucorhighway.com Nucor Steel Marion, Inc. What makes us special? Simple System Line Posts Cable Hook Bolts Turnbuckles End treatment."— Presentation transcript:

1 nucorhighway.com Nucor Steel Marion, Inc. What makes us special? Simple System Line Posts Cable Hook Bolts Turnbuckles End treatment

2 nucorhighway.com Nucor Steel Marion, Inc. Installation Procedure

3 nucorhighway.com Nucor Steel Marion, Inc. Layout Run per Plans Note grade, obstacles, slope Slope maximum 6:1 Not within 1 to 8 center of median

4 nucorhighway.com Nucor Steel Marion, Inc. Mark posts locations = = – 3 3 CRP End Terminal 6-6 Line posts (refer to plans)

5 nucorhighway.com Nucor Steel Marion, Inc. Mirror End Treatments

6 nucorhighway.com Nucor Steel Marion, Inc. Mirror End Treatments

7 nucorhighway.com Nucor Steel Marion, Inc.

8 nucorhighway.com Nucor Steel Marion, Inc.

9 nucorhighway.com Nucor Steel Marion, Inc. Drill footing holes

10 nucorhighway.com Nucor Steel Marion, Inc. String line for line posts

11 nucorhighway.com Nucor Steel Marion, Inc. Sockets: 4 step process

12 nucorhighway.com Nucor Steel Marion, Inc. 2 - #4 dowels 1 - #3 ring

13 nucorhighway.com Nucor Steel Marion, Inc. Insert Socket Use insertion tool Set depth to string line Note uneven terrain

14 nucorhighway.com Nucor Steel Marion, Inc. Pour CRP Posts

15 nucorhighway.com Nucor Steel Marion, Inc. Turnbuckles Standard Cable = 1 x 750 (229m)

16 nucorhighway.com Nucor Steel Marion, Inc. Cable-ends and Turnbuckles Slide casting onto cable Separate tendons and insert wedge Insert square nut into slot and screw in threaded rod

17 nucorhighway.com Nucor Steel Marion, Inc.

18 nucorhighway.com Nucor Steel Marion, Inc. 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

19 nucorhighway.com Nucor Steel Marion, Inc. 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

20 nucorhighway.com Nucor Steel Marion, Inc. Hanging Cable Mark holes & hang hook bolt open Lift cable, close hook bolts, nuts only require hand-tighten Note – top, middle, bottom

21 nucorhighway.com Nucor Steel Marion, Inc. Cable Heights Median & Roadside TopMiddleBottom mm650mm545mm

22 nucorhighway.com Nucor Steel Marion, Inc. Tensioning Cable Ratchet Come-Along Hydraulic Cylinder Front End Loader Any other method Fine tune at turnbuckles

23 nucorhighway.com Nucor Steel Marion, Inc. Tensioning Cable For very long runs, pull cable taut and clamp to post. Place turnbuckles near upstream post. NOT like this!

24 nucorhighway.com Nucor Steel Marion, Inc. Tensioning Cable Use cable pull and truck to apply initial tension Plan to pull approx 1 per 1000 from taut to 6000 pounds tension.

25 nucorhighway.com Nucor Steel Marion, Inc. Tensioning Cable Check temp of cable Use Temp Chart Standard cable, add 15% to initial tension.

26 nucorhighway.com Nucor Steel Marion, Inc. Delineation Every 100 or 6 th post (16-8) 3M High Intensity Prismatic #3931 Reflective Sheeting 3M #94 Primer

27 nucorhighway.com Nucor Steel Marion, Inc. Installed and Ready to Save Lives

28 nucorhighway.com Nucor Steel Marion, Inc. 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 degrees rebar angle Wedge insertion Cable height and tolerances All hook bolts installed Check cable temperature Recheck tensioning

29 nucorhighway.com Nucor Steel Marion, Inc. Product Support Engineering & Design Support Material Summaries for Runs Field Supervision Field Train of Installation Crews Installation Manual Specification Sheets Product Literature

30 nucorhighway.com Nucor Steel Marion, Inc. Additional information, photos, videos, and manuals available at Nucorhighway.com U.S. High-Tension Cable System

31 nucorhighway.com Nucor Steel Marion, Inc. Questions ? U.S. High-Tension Cable System


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