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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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slide1

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

how do you know which version of a proprietary guardrail end treatment ky is using
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
the et plus ky uses is 50 7 syt post 1 hba post
The ET-Plus KY Uses is50’, 7 SYT Post & 1 HBA Post

The Title Block Details which ET-Plus Model KY is using

installation instructions for proprietary guard rail end terminals
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
type 1 trinity et plus http www highwayguardrail com products etplus html
Type 1 Trinity – ET-Plushttp://www.highwayguardrail.com/products/etplus.html
type 1 et plus standard drawing note
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
http www highwayguardrail com products pdfs etplus manual pdf
http://www.highwayguardrail.com/products/pdfs/ETPlus-Manual.pdfhttp://www.highwayguardrail.com/products/pdfs/ETPlus-Manual.pdf
et plus http www highwayguardrail com products etplus html
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
et plus http www highwayguardrail com products etplus html1
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
et plus installing hba post bottom post 1
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)

et plus installing hba post top post 1
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
et plus installing hba post top post 11
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
et plus post 2 8 syt post
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
drive syt post at post 2 8 careful syt post and sp std post look very similar do not intermix
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

et plus installing the strut post 1
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
et plus installing the strut post 2
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
et plus installing the strut post 21
ET-PlusInstalling the Strut Post 2

Washers are

Important

Incorrect - Loose Fit

Without Washer & Lockwasher

Correct

Tight Fit With Washer

et plus install offset blocks rail panels post 3 8
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
et plus installing rail panel to post 2
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
et plus installing the cable anchor assembly
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.
et plus installing the cable anchor assembly1
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
et plus installing the cable anchor assembly2
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
slide45

Tighten Anchor

Cable – Using

Vice Grips on Shank not on the Cable

et plus installing the cable anchor assembly3
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
et plus installing the extruder head
ET-PlusInstalling the Extruder Head
  • Rail feeds out the Extruder Head away from traffic – Arm points away from traffic
  • Push the Extruder Head as far as it will go on the Rail panel, making sure the Rail is in the Channel Chute
  • Place the Extruder head against the HBA Post (Post 1) parallel to the ground
et plus installing the extruder head1
ET-PlusInstalling the Extruder Head
  • Top and Bottom Flanges on the side of the Extruder Head each has 3 holes – use the hole that best aligns with the holes in top and bottom of the HBA Post & Extruder Head parallel to the rail panels
  • Place a 3/8” washer on a 3/8” x 1 ½” Hex Head Bolt – Insert Bolt through Flange of Extruder Head and Flange of HBA Post
  • Place 3/8” Fender Washer Under 3/8” Nut on the end of the inserted Bolt
  • Tighten until snug
et plus installing the extruder head2
ET-PlusInstalling the Extruder Head

3 Holes in Extruder Head Flanges

slide62

NO CURVES

Energy Absorbing End Treatments

STRAIGHT FLARE / NOT CURVED

from the et plus installation checklist
From the ET-PlusInstallation Checklist
  • Extruder Head is pushed on as far as it will go on the rail panel ensuring the panels fully engage with the feeder chute
  • The Extruder Channel is approximately parallel to finished grade
  • Cable Anchor Bracket is locked into place, by pulling the bracket toward Post 1 making sure the Hooks/Lugs are well seated into the Square Holes
from the et plus installation checklist1
From the ET-PlusInstallation Checklist
  • Shank portion of Cable Anchor positioned against bottom web of top portion HBA Post 1
  • Hex Nuts on ends of Anchor Cable are tightened taut (Cable deflects less than 1”)
  • Cable Bearing Plate Oriented such that 5” dimension is up
skt sp road systems http roadsystems com pdf fleat sp installation manual pdf
SKT-SP Road Systems http://roadsystems.com/pdf/fleat/SP-Installation-Manual.pdf

SKT-SP & FLEAT-SP

A very easy to follow

“Assembly Instructions”

With Drawings and Photos

except for 5 differences the skt sp and the fleat sp are identical
Except for 5 Differences the SKT-SP and the FLEAT-SP are Identical
  • Please note: To Avoid duplication the Installation for the Type 1 SKT-SP is Covered with the Type 4A FLEAT-SP of this Training
5 differences type 1 skt sp type 4a fleat sp
5 Differences Type 1 SKT-SPType 4A FLEAT-SP
  • 1. Flare
    • SKT-SP: 12” FLEAT-SP: 48”
  • 2. Extrudes Guardrail
    • SKT-SP Away from Traffic
    • FLEAT-SP Towards Traffic
  • 3. Size of Impact Head & Feeder Chute
    • SKT-SP Longer
    • FLEAT-SP Shorter
5 differences type 1 skt 27 type 4a fleat 27
5 Differences Type 1 SKT-27Type 4A FLEAT-27
  • 4. Cable Fed Inside/Outside Feeder Chute
    • SKT-SP Cable Fed thru Feeder Chute
    • FLEAT-SP Cable Fed Outside Feeder Chute
  • 5. Bolt or No Bolt Connection to Post 3
    • SKT-SP Guardrail IS Bolted to Post 3
    • FLEAT-SP Guardrail is NOT Bolted to Post 3
flare type 1 skt sp 12 type 4a fleat sp 48
Flare Type 1 SKT-SP= 12”Type 4A FLEAT-SP = 48”

Type 4A

FLEAT-SP

48” Flare

Type 1 SKT-SP 12” Flare

Next to Roadway/Shoulder

extrudes guardrail skt sp away from traffic fleat sp towards traffic
Extrudes GuardrailSKT-SP Away from TrafficFLEAT-SP Towards Traffic

Type 1

SKT-SP Away from Traffic

Type 4A

FLEAT-SP Towards Traffic

size of impact head and feeder chute type 1 skt sp longer type 4a fleat sp shorter
Size of Impact Head and Feeder ChuteType 1 SKT-SP LongerType 4A FLEAT-SP Shorter

SKT-SP Longer

Impact Head

Feeder Chute

Feeder Chute Ends

FLEAT-SP Shorter

Impact Head

Feeder Chute

slide76
The KYTC Pay Limits for the Type 1 End Treatment SKT-SP is 50’ even though the SKT-SP Shop Drawing says 12’ 6” for the 37’ 6” System

KYTC Type 1 Guardrail End treatment Pay Limits 50 Feet

Standard Drawing RBR-020 Guardrail End Treatment Type 1

Road Systems SKT-SP

Pay Limits 12’ 6”

manufactures installation info
Manufactures Installation Info
  • SKT-SP Road Systemshttp://roadsystems.com/fleat.htmlhttp://roadsystems.com/pdf/fleat/SP-Installation-Manual.pdf
    • 1-432-263-2435
  • ET-Plus Trinity Highway Products http://www.highwayguardrail.com/products/pdfs/ETPlus-Manual.pdf
    • 1-800-282-7668 Elizabethtown KY
  • Both have a short Section on Repairs