Title: Trinity Highway Products SRT-350 6 Post HBA System 37
1Trinity Highway ProductsSRT-350 6 Post HBA
System376 System4 Foot Offset Post 7 to Post 1
2Trinity Highway Products Properly Installed
SRT-350 6 Post HBA System-Slotted Rail Terminal
3Hit SRT-350 6 Post HBA SystemPost 2 Hinged
Rail Folded
4Installation Instructionshttp//www.highwayguardr
ail.com/products/pdfs/SRT-350_6_Post.pdf
5Shop Drawing http//www.highwayguardrail.com/produ
cts/pdfs/SS-352.pdf
6Title BlockBill of Materials
7Items 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 _at_ Post 1 V goes up
8Post 3-6 CRT (Controlled Release Post) with 8
Offset Blocks
- Install the CRT Wood Post with 3½ holes
Approximately _at_ Finished Grade - Note Post 7 is also a CRT Wood Post
- 40 Flair
- Begin _at_ Post 7 face of Guardrail at Offset Block
- Measure 376 to the face of the Guardrail at
Post 1 no Offset Block at Post 1 2 (HBA Post) - 40 offset is measured at Post 1
9Installing HBA (Hinged Breakaway Post) _at_ Post 1
2No 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
10Installing HBA (Hinged Breakaway Post) _at_ Post 1
- Place Post 1 so that the LARGER hole is placed
DOWNSTREAM (away from the End of the System)
Post 1
Note Place the head of the bolts on the inside
of the Post washer, lock washer nut on outside
of Post
3/8 Bolt
11Installing HBA (Hinged Breakaway Post) _at_ Post 2
- Place Post 2 so that the LARGER hole is placed
DOWNSTREAM (away from the End of the System) - Place the head of the
- Bolts on the inside of
- the Post - washer, lock
- washer nut on outside
- of Post
Post 2
12Post 2 - Install Post so that the LARGER hole is
placed DOWNSTREAM
Incorrect Cannot Hinge Post Installed
Backwards Plus Bolts in Backwards
Post 2
Correct Placement - Can Properly Hinge
Traffic
13Repair Post 2 -Place Post so that the LARGER hole
is placed DOWNSTREAM
- Repair-Incorrectly placed Post 2
- Remove the Top of Post 2 and the Strut
- Bottom of Post 2 MUST BE
- REMOVED (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
Post 2
Traffic
Incorrect Cannot Hinge Post 2 Installed
Backwards
14Installing the StrutPlace 2 Angled Struts
between Post 12
- 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
15Post 2 with Bolt Heads Placed Inside Post - Lacks
Extra Washers between Strut Post Plate
Install 23 extra washers on bolt between strut
Post
16SRT-27 Installing Rail Panels
- Layout the Guardrail so Slot Guard Attachment
Holes _at_ the ends of the Slots (away from Post 1) - Position Guardrail with Long Slots between Post
12 Post 23 - Position Guardrail with Short Slots between Post
34 and Post 45 - 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
17Orientation of Slots, Slot Guards and Cable
Anchor Bracket
No Slots
Short Slots
Long Slots
Cable Anchor Bracket
Connect to Wood CRT Post _at_ Post 7
Slot Guards Away From Post 1
18Long Slots Between Post 2 3 and 1 2
Long Slots Between Post 2 3
Long Slots Between Post 1 2
19Short Slots Between Post 4 5 and 3 4
Short Slots Between Post 4 5
Short Slots Between Post 3 4
20No Slots Between Post 6 7 and 5 6
No Slots Between Post 6 7
No Slots Between Post 5 6
21Installing Rail PanelsContinued
- Guardrail is attached to the Post through the
Offset Blocks _at_ Post 3, 4, 5 and 6 - Guardrail is not attached (bolted) at Post 2
Incorrectly Bolted
Correctly NOT Bolted
POST 2
22Post 2 has a Backup or Flange Protector
PlateCable Anchor Assembly
Backup Plate or Flange Protector
Washers
Cable Anchor Assembly
23Installing Rail PanelsPost 1
- Insert 5/8x2 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 5/8x1 ¼ HGR Splice Bolts
and Hex HGR Nuts - Attach Reflective Sheeting
- Your Rail Panels are now attached
24Post 1 - End Section Connected with Reflective
Sheeting
25 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
26Front and Back of Cable Anchor Assembly Bolts
Washers (front) and Nuts (Back)
Back of Rail Traffic
Front of Rail
27Install 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 3/8nut. The
Cable Web Plate should be pushing down on the top
of the Shank of the Cable Anchor.
28Cable Web plate on Front _at_ 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
29Install 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.
30The 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
31Cable Anchor Assembly Post 1V Bearing Plate
rest on top of Flange of bottom of HBA Post
Correct V Notch Up
Incorrect V Notch Down
32NOTE The Cable Anchor goes ABOVE the Strut NOT
THROUGH the Strut
Cable Anchor Correctly ABOVE the Strut
Cable Anchor INCORRECTLY THROUGH the Strut
33Properly InstalledSRT-350 6 Post HBA System
34Installation Instructionshttp//www.highwayguardr
ail.com/products/pdfs/SRT-350_6_Post.pdf
35Shop Drawing http//www.highwayguardrail.com/produ
cts/pdfs/SS-352.pdf
36Items 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 _at_ Post 1 V goes up
37Q A Time
- Install Post 2 so that the LARGER hole is
placed___________ from the end of the guardrail
end treatment??? - DOWNSTREAM
38Q A Time
- 2. The Cable Anchor goes ABOVE OR THROUGH the
Strut???
39Q A Time
- 3. Guardrail IS or IS NOT attached (bolted) at
Post 2??? - IS NOT