n u c o r h i g h w a y.com nucor steel marion, inc. tl 3 system 4400 lb pickup truck 1800 lb small...
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![Page 1: N u c o r h i g h w a y.com Nucor Steel Marion, Inc. TL 3 System 4400 lb Pickup Truck 1800 lb Small Car Impacting at 62 mph 25 degrees](https://reader036.vdocuments.site/reader036/viewer/2022081602/55195b57550346aa698b46e5/html5/thumbnails/1.jpg)
Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
TL 3 System4400 lb Pickup Truck
1800 lb Small Car
Impacting at 62 mph
25 degrees
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
18 wheelers? NOT TESTED
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
System Components
Simple System
Line Posts Cable Hook Bolts Turnbuckles End treatment
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
Line Posts
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
Turnbuckles
Standard Cable = 1 x 750’ (229m)
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
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
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
End Treatment
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)
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
CRP Posts
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
Delineation
3M #94 Primer
3M High Intensity Prismatic #3931 Reflective Sheeting
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
Maintenance of System
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
Common Impacts – SIMPLE REPAIR
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
CRP Posts
Line PostRepair
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
Line Post RepairMake SURE:
Cable on correct side
Hook bolt nuts hand tightened
Cable Heights TOP = 29.5” ±1”
MIDDLE = 25.5” ±1”
BOTTOM = 21.5” +0”/-2”
Check and record tension
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
Uncommon Impacts
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
Releasing Tension
1. Loosen turnbuckle(s)2. Cable grip and winch – pull towards
accident3. Ratchet come-along and 2 cable
grips4. Knock over CRPs5. LAST CASE – CUT THE CABLE
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
QuickDe-tensioning
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
CRP Repair
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
Re-tensioning – STANDARD CABLE
Check Temperature Chart 15% higher
0 to 1.5 years After first major freeze After impact
Tension tolerance is +15-20% or up to 2500 lbs.
Check within first month after installation Periodically over the first year
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
CheckingTension
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
Additional information, photos, videos, and
manuals available at
nucorhighway.com
U.S. High-Tension Cable System
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Nucor Steel Marion, Inc. n u c o r h i g h w a y .com
Questions ?
U.S. High-Tension Cable System