Trinity Highway ProductsSRT-350 6 Post HBA System

37’6” System4 Foot Offset Post 7 to Post 1

Trinity Highway Products Properly Installed SRT-350 6 Post HBA System-Slotted Rail

Terminal

Hit SRT-350 6 Post HBA System

Post 2 Hinged & Rail Folded

Installation Instructionshttp://www.highwayguardrail.com/products/pdfs/SRT-350_6_Post.pdf

Shop Drawing http://www.highwayguardrail.com/products/pdfs/SS-352.pdf

Title BlockBill of Materials

Items to Watch for when Installing

SRT-350 6 Post HBA System Install Post 2 so that the LARGER hole is

placed DOWNSTREAM Guardrail is NOT attached (bolted) at Post

2 – Just the Flange Protector or Backup Plate is connected at Post 2

The Cable Anchor goes ABOVE the Strut NOT THROUGH the Strut

Web Plate Post 1 on Front Bearing Plate @ Post 1 “V” goes up

Post 3-6 CRT (Controlled Release Post) with 8” Offset

Blocks Install the CRT Wood Post with 3½” holes

Approximately @ Finished Grade Note: Post 7 is also a CRT Wood Post 4’0” Flair

Begin @ Post 7 face of Guardrail at Offset Block Measure 37’6” to the face of the Guardrail at

Post 1 – no Offset Block at Post 1 & 2 (HBA Post) 4’0” offset is measured at Post 1

Installing HBA (Hinged Breakaway Post) @ Post 1

& 2“No Offset Blocks”

HBA Post are a “two” Section Post (top & bottom) Place the Bottom of the Post so that the LARGER (13/16”) hole is placed

DOWNSTREAM (away from the End of the System) Attach the top portion with 2 – 3/8” bolt with washer & lockwasher under the nut Bolts should be installed so the head of the bolt is on the “inside” of the post plates

Installing HBA (Hinged Breakaway Post) @ Post 1

Place Post 1 so that the LARGER hole is placed DOWNSTREAM (away from the End of the System)Post

1Note: Place the head of the bolts on the inside of the Post –washer, lock washer & nut on outside of Post

3/8” Bolt

Installing HBA (Hinged Breakaway Post) @ Post 2

Place Post 2 so that the LARGER hole is placed DOWNSTREAM (away from the End of the System) Place the head of theBolts on the inside of the Post - washer, lock washer & nut on outside of Post

Post 2

Post 2 - Install Post so that the LARGER hole is placed

DOWNSTREAMIncorrect – Cannot HingePost Installed BackwardsPlus Bolts in Backwards

Correct Placement - Can Properly Hinge

Post 2

Traffic

Repair Post 2 -Place Post so that the LARGER hole is placed

DOWNSTREAMIncorrect – Cannot HingePost 2 Installed Backwards

Post 2 Traffic

Repair-Incorrectly placed Post 2•Remove the Top of Post 2 and the Strut•Bottom of Post 2 MUST BEREMOVED (note the bottom of Post is not symmetrical and therefore cannot be drilled)•Properly backfill the hole •Rotated bottom of Post 2 180 degrees and re-drive the Post•Reattach the top portion of Post 2 and the Strut•Install Bolts with Heads inside

Installing the StrutPlace 2 Angled Struts

between Post 1&2 Post 1 attach with ¾” Bolt with Washer &

Lockwasher under nut Post 2 – same as above plus stack 2-3 washers

on the bolt between the Strut and the Post Plate to allow the Strut to pass over the 3/8” bolt head

Post 2 with Bolt Heads Placed Inside Post - Lacks Extra Washers between Strut &

Post Plate

Install 2–3 extra washers on bolt between strut & Post

SRT-27 Installing Rail Panels

Layout the Guardrail so Slot Guard Attachment Holes @ the ends of the Slots (away from Post 1)

Position Guardrail with Long Slots between Post 1&2 Post 2&3

Position Guardrail with Short Slots between Post 3&4 and Post 4&5

The Guardrail from Post 7 to Post 5 does NOT have Slots

Post 7 is also a CRT Wood Post Guardrail is NOT attached to Post 2

Orientation of Slots, Slot Guards and Cable Anchor

Bracket

Slot Guards Away From Post 1Connect to Wood CRT Post @ Post 7

No Slots Short Slots Long Slots

CableAnchor Bracket

Long Slots Between Post 2 & 3 and 1 & 2

Long Slots BetweenPost 2 & 3

Long Slots BetweenPost 1 & 2

Short Slots Between Post 4 & 5 and 3 & 4

Short Slots BetweenPost 4 & 5

Short Slots BetweenPost 3 & 4

No Slots Between Post 6 & 7 and 5 & 6

No Slots BetweenPost 6 & 7

No Slots BetweenPost 5 & 6

Installing Rail PanelsContinued

Guardrail is attached to the Post through the Offset Blocks @ Post 3, 4, 5 and 6

Guardrail is not attached (bolted) at Post 2

Incorrectly BoltedCorrectly NOT Bolted

POST 2

Post 2 has a Backup or Flange Protector Plate

Cable Anchor Assembly

Washers

Backup Plate orFlange Protector

Cable AnchorAssembly

Installing Rail PanelsPost 1

Insert 5/8”x2” HGR Post Bolt thru the Rail Panel at Post 1 and secure with Hex Nut and Tighten

Connect the End Section to the End of the Guardrail with four 5/8”x1 ¼” HGR Splice Bolts and Hex HGR Nuts

Attach Reflective Sheeting Your Rail Panels are now attached

Post 1 - End Section Connected with Reflective

Sheeting

Installing Cable Anchor Assembly - Bracket

Place 5/8” Washer on each of the eight 5/8” Hex Head Bolts

Insert the Bolts thru the Traffic Side of the Rail Panel and the Cable Anchor Bracket (on the backside of the Rail Panel) & Secure with Hex HGR Nuts

Slide one end of Cable into Cable Anchor Bracket - Place 1” washer and Hex Nut on End of the Cable extending thru the Bracket

Front and Back of Cable Anchor Assembly Bolts & Washers (front) and Nuts

(Back)Back of Rail Traffic

Front of Rail

Install Cable Anchor Assembly – Post 1

Slide the other end of Cable between upper & lower sections of the HBA Post 1

On Post No. 1, bolt the 4"x5¾" x ¼” Cable Web Plate to the web (front) of the post with a 3/8" x 1½” bolt, with a washer under the 3/8”nut. The Cable Web Plate should be pushing down on the top of the Shank of the Cable Anchor.

Cable Web plate on Front @ Post 1 pushing down on the

top of the Shank of the Cable Anchor

Cable Web Plate pushing down on the top of the Shank of the Cable Anchor

Install Cable Anchor Assembly – Post 1

Place the Cable Bearing Plate with the open side of the V-Notch pointing upward and the Plate Washer on the end of the Cable.

The bearing plate should rest on the top of the flange of the HBA bottom post.

The bearing plate should rest on the top of the flange of the HBA bottom post.

Bearing Plate Resting on Top of Flange of the Bottom HBA Post

Cable Anchor Assembly – Post 1

“V” Bearing Plate rest on top of Flange of bottom of HBA

PostCorrect “V” Notch Up Incorrect

“V” Notch Down

NOTE: The Cable Anchor goes ABOVE the Strut NOT

THROUGH the StrutCable Anchor CorrectlyABOVE the Strut

Cable Anchor INCORRECTLYTHROUGH the Strut

Properly InstalledSRT-350 6 Post HBA

System

Installation Instructionshttp://www.highwayguardrail.com/products/pdfs/SRT-350_6_Post.pdf

Shop Drawing http://www.highwayguardrail.com/products/pdfs/SS-352.pdf

Items to Watch for when Installing

SRT-350 6 Post HBA System Install Post 2 so that the LARGER hole is

placed DOWNSTREAM Guardrail is NOT attached (bolted) at Post

2 – Just the Flange Protector or Backup Plate is connected at Post 2

The Cable Anchor goes ABOVE the Strut NOT THROUGH the Strut

Web Plate Post 1 on Front Bearing Plate @ Post 1 “V” goes up

Q & A Time1. Install Post 2 so that the LARGER

hole is placed___________ from the end of the guardrail end treatment???

DOWNSTREAM

Q & A Time2. The Cable Anchor goes ABOVE OR

THROUGH the Strut???

Q & A Time3. Guardrail IS or IS NOT attached

(bolted) at Post 2???IS NOT