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How do you know which version of a Proprietary Guardrail End Treatment KY is Using?

Session 4 KY Type 1 End Treatment ET-PLUS Slide 6 by Trinity Highway Products SKT-SP Slide 63 by Road Systems. How do you know which version of a Proprietary Guardrail End Treatment KY is Using?. Go to the KYTC Div of Design Home Page http://transportation.ky.gov/Highway-Design

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How do you know which version of a Proprietary Guardrail End Treatment KY is Using?

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  1. Session 4KY Type 1 End TreatmentET-PLUS Slide 6 by Trinity Highway ProductsSKT-SP Slide 63 by Road Systems

  2. How do you know which version of a Proprietary Guardrail End Treatment KY is Using? • Go to the KYTC Div of Design Home Page http://transportation.ky.gov/Highway-Design • On the lower right click on Standard Drawing • Brings up: • Standard Drawings • Active Sepia List • Approved Shop Drawings - Click • The drawings show the version PLUS, SP, 27 etc. • Basic Info – very useful

  3. http://transportation.ky.gov/Highway-Design Design Home PageStandard Drawings Lower Right

  4. Standard DrawingsActive Sepia ListApproved Shop Drawings Click

  5. Approved Shop DrawingsClick “Alternate 1 Trinity ET Plus”

  6. Approved Shop Drawing “Alternate 1 Trinity ET Plus”

  7. The ET-Plus KY Uses is50’, 7 SYT Post & 1 HBA Post The Title Block Details which ET-Plus Model KY is using

  8. ET-Plus Parts ListYou can learn a lot just looking at the Parts List and the Drawing

  9. Standard Drawing RBR-020 Guardrail End Treatment Type 1

  10. Standard Drawing RBI-004Installation of Guardrail End Treatment Type 1

  11. Installation Instructions for Proprietary Guard Rail End Terminals • This Std Draw Note appears on each Proprietary End Treatment used in KY - “The Manufacturer SHALL furnish two (2) sets of shop plans to the contractor with each installation” • Each Proprietary End Treatment “see shop drawings” • Added to Sect 719.03 of 2012 Std Specs: “Proprietary end treatments SHALL be installed according to the manufacturer’s assembly or installation instructions” • SHOULD NOT LET THE CONTRACTOR BEGIN INSTALLATION BEFORE SUPPLYING YOU WITH THESE SHOP PLANS & INSTALLATION INSTRUCTIONS – Both you and the contractor need these documents to properly do your jobs of installing and inspection propriety guardrail end terminals

  12. Type 1 Trinity – ET-Plushttp://www.highwayguardrail.com/products/etplus.html

  13. Type 1 ET-PlusStandard Drawing Note • “The Manufacture Shall Furnish Two (2) Sets of Shop Plans to the Contractor with Each Installation” • For the ET-Plus this is on line at • http://www.highwayguardrail.com/products/pdfs/ETPlus-Manual.pdf Call 1-800-527-7976 if you do NOT Understand Manual • This Manual is cumbersome and somewhat hard to follow

  14. http://www.highwayguardrail.com/products/pdfs/ETPlus-Manual.pdfhttp://www.highwayguardrail.com/products/pdfs/ETPlus-Manual.pdf

  15. ET-Plus - Absorbs Energy by Extruding the Rail Thru Impact Head and Knocking Down Post

  16. Hit ET-Plus with SYT Post that Bend (Yield) upon Impact

  17. ET-Plushttp://www.highwayguardrail.com/products/etplus.html • Energy Absorbing End Treatment • 50 feet long • Post 1 - HBA Post (Hinged Break-Away) • Post 2-8 7 SYT Post (Steel Yielding Terminal) • Has a Strut between Post 1&2 • No Tube or Soil Plates • Standard Guardrail begins at Post 9

  18. ET-Plushttp://www.highwayguardrail.com/products/etplus.html • Do Not attach Guardrail to Post 1 • Under no circumstances shall the guardrail within the ET-Plus Pay Limit be Curved – see Installation Instructions

  19. ET-Plus Installing HBA Post-Bottom Post 1 Install the Bottom of the HBA Post such that the large hole 13/16” is placed downstream (away from the Impact Head)

  20. ET-Plus Installing HBA Post-Top Post 1 • Align the Holes of the Post Plates (either side of Ears) on the Top and Bottom Post • Insert a 3/8” x 2” Hex Head Bolt through the 7/16” hole in the Post Plates (Ears) with washer and lockwasher under the 3/8” Nut (one bolt assembly on each side of Post) • Note 3/8” Bolts can be installed with nuts inside or outside of Post Plates

  21. ET-Plus Installing HBA - Top Post 1 Are Lock Washer & Washer on??

  22. ET-Plus Installing HBA Post-Top Post 1 • On the side opposite the Strut - Insert a ¾” x 2 ½ ” Hex Head Bolt through the 13/16” hole in the Post Plates with washer and lockwasher under the ¾” Nut • Note ¾ ” Bolts can be installed with nuts inside or outside of Post Plates • DO NOT install the ¾” Bolt on the Strut Side until installing the Strut

  23. ET-Plus Installing HBA Post - Top Post 1Are Lockwasher & Washers on??

  24. Final Assembly @ Base of Post 1From ET-Plus Shop Drawing

  25. Final Assembly @ Base of Post 1Washer but does not have Lockwasher

  26. Proper assembly with Washer & LockWasher

  27. ET-PlusPost 2 – 8 SYT Post • If properly Graded, drive all the 6’ SYT Post to the optimum depth where centers of the 4 Yielding Holes through the Flanges are at the Ground Line • Note: Post 2 does NOT have an offset block • Note: Post 3-8 receive 8” offset blocks

  28. Drive SYT Post at Post 2-8. Careful SYT Post and SP (Std Post) look very similar – DO NOT INTERMIX SYT Post have 4 holes near Ground Line DO NOT INTERMIX SYT Post and SP Post

  29. Center of the Yielding Holes in the Post is Approx. @ Finished Grade

  30. ET-PlusInstalling the Strut Post 1 • Place Angle Strut on the Flange of the HBA Post 1 with ¾” Hex Head Bolt placed through the top and bottom Post Plates and connect with a ¾” Washer and Lockwasher under the ¾” Nut. • Note: Strut can be placed with one of the leg flat or leg edge on the ground • Note: Strut can be installed on traffic side or field side of the Post

  31. Installing the Strut Post 1Again where is the Washer & Lockwasher??

  32. ET-PlusInstalling the Strut Post 2 • Place 2 – 7/16” Hex head Bolts with Washer into the two Slotted Holes of the Strut • Place a Lockwasher and Nut on the ends of each of the Inserted Bolts • Tighten Nuts to snug position

  33. ET-PlusInstalling the Strut Post 2 Washers are Important Incorrect - Loose Fit Without Washer & Lockwasher Correct Tight Fit With Washer

  34. ET-PlusInstall Offset Blocks & Rail PanelsPost 3 - 8 • 25’ or 12’6” Rail Panels are acceptable • Splice the rail Panels with 8 - 5/8” x 1 ¼” HGR Splice Bolts and Nuts • Do NOT connect Rail Panel @ Post 1 • NO Offset Blocks @ Post 1 or 2 • Post 3-8 Insert 5/8” x 10” HGR Bolt thru Rail Panel, 8” Offset Block and SYT Post • Connect with 5/8” Round Washer and HGR Nut

  35. Post 2 No Offset BlockPost 3-8 8” Offset BlockComposite or Wood

  36. ET-Plus Installing Rail Panel to Post 2 • NO Offset Block @ post 2 • Insert 5/8” x 1 ¼” HGR Bolt through the Rail Panel and SYT Post @ Post 2 • Connect with 5/8” Round Washer and HGR Nut

  37. ET-Plus Installing Rail Panel to Post 2

  38. ET-PlusInstalling the Cable Anchor Assembly • Secure Cable Anchor Assembly to the Rail by Inserting the Square Protruding Hooks/Lugs into Square Holes in Rail Panel toward Post 1. Secure by pulling the Bracket toward the Impact head insuring the Hooks/Lugs are well Seated into the Square Holes.

  39. Protruding Hooks /Lugs on ET-Plus Cable bracket

  40. ET-PlusInstalling the Cable Anchor AssemblyCable Bracket

  41. Protruding Hooks /Lugs on ET-Plus Cable bracket Post 1

  42. ET-PlusInstalling the Cable Anchor Assembly • Slide one end of Cable into the Cable Anchor Bracket and the other end into Post 1 • Place a 1” Washer and Hex Nut on the Bracket End near Post 2 and tighten until at least 2 Threads are showing • Place Bearing Plate on Impact Side of Post 1 where Cable extends through Post 1 • Bearing Plate must have Long Dimension (5”) Up

  43. Bearing Plate with Tabs on both sides to keep Bearing Plate Oriented with 5” UP

  44. ET-PlusInstalling the Cable Anchor Assembly • Place 1” Washer and Hex Nut on the end of the Cable extending through Post 1 • Restrain the Cable with locking pliers at the end of the Cable being tightened • Tighten the Hex Nuts on the Cable Ends until TAUT – it is considered TAUT when Cable does not deflect more than 1” when pressure is applied

  45. Tighten Anchor Cable – Using Vice Grips on Shank not on the Cable

  46. ET-PlusInstalling the Cable Anchor Assembly • Shank portion of Anchor Cable MUST BE positioned so it bears on the bottom edge of the web of the HBA Post (Post 1) • Shank portion of Cable must also be centered Horizontally so the Bearing Plate bears uniformly on both Fingers of Post 1

  47. Shank Portion of the Cable Bears on Bottom Edge of HBA Post

  48. ET-PlusInstalling the Cable Anchor Assembly

  49. Why use an anchor??? Third Post hit contained vehicle

  50. What happened here???Impacting Vehicle NOT Contained

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