Trinity Highway Products SRT-350 6 Post HBA System 37 - PowerPoint PPT Presentation

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Trinity Highway Products SRT-350 6 Post HBA System 37

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Title: Luminare base to high Author: tchism Last modified by: Commonwealth Office of Technology Created Date: 3/15/2002 2:15:45 PM Document presentation format – PowerPoint PPT presentation

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Title: Trinity Highway Products SRT-350 6 Post HBA System 37


1
Trinity Highway ProductsSRT-350 6 Post HBA
System376 System4 Foot Offset Post 7 to Post 1
2
Trinity Highway Products Properly Installed
SRT-350 6 Post HBA System-Slotted Rail Terminal
3
Hit SRT-350 6 Post HBA SystemPost 2 Hinged
Rail Folded
4
Installation Instructionshttp//www.highwayguardr
ail.com/products/pdfs/SRT-350_6_Post.pdf
5
Shop Drawing http//www.highwayguardrail.com/produ
cts/pdfs/SS-352.pdf
6
Title BlockBill of Materials
7
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 _at_ Post 1 V goes up

8
Post 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

9
Installing 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

10
Installing 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
11
Installing 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
12
Post 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
13
Repair 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
14
Installing 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

15
Post 2 with Bolt Heads Placed Inside Post - Lacks
Extra Washers between Strut Post Plate
Install 23 extra washers on bolt between strut
Post
16
SRT-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

17
Orientation 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
18
Long Slots Between Post 2 3 and 1 2
Long Slots Between Post 2 3
Long Slots Between Post 1 2
19
Short Slots Between Post 4 5 and 3 4
Short Slots Between Post 4 5
Short Slots Between Post 3 4
20
No Slots Between Post 6 7 and 5 6
No Slots Between Post 6 7
No Slots Between Post 5 6
21
Installing 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
22
Post 2 has a Backup or Flange Protector
PlateCable Anchor Assembly
Backup Plate or Flange Protector
Washers
Cable Anchor Assembly
23
Installing 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

24
Post 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

26
Front and Back of Cable Anchor Assembly Bolts
Washers (front) and Nuts (Back)
Back of Rail Traffic
Front of Rail
27
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 3/8nut. The
    Cable Web Plate should be pushing down on the top
    of the Shank of the Cable Anchor.

28
Cable 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
29
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.

30
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
31
Cable Anchor Assembly Post 1V Bearing Plate
rest on top of Flange of bottom of HBA Post
Correct V Notch Up
Incorrect V Notch Down
32
NOTE The Cable Anchor goes ABOVE the Strut NOT
THROUGH the Strut
Cable Anchor Correctly ABOVE the Strut
Cable Anchor INCORRECTLY THROUGH the Strut
33
Properly InstalledSRT-350 6 Post HBA System
34
Installation Instructionshttp//www.highwayguardr
ail.com/products/pdfs/SRT-350_6_Post.pdf
35
Shop Drawing http//www.highwayguardrail.com/produ
cts/pdfs/SS-352.pdf
36
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 _at_ Post 1 V goes up

37
Q A Time
  • Install Post 2 so that the LARGER hole is
    placed___________ from the end of the guardrail
    end treatment???
  • DOWNSTREAM

38
Q A Time
  • 2. The Cable Anchor goes ABOVE OR THROUGH the
    Strut???

39
Q A Time
  • 3. Guardrail IS or IS NOT attached (bolted) at
    Post 2???
  • IS NOT
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