Presentation on theme: "Trinity Highway Products Properly Installed SRT Post HBA System-Slotted Rail Terminal"— Presentation transcript:
1 Trinity Highway Products SRT-350 6 Post HBA System 37’6” System 4 Foot Offset Post 7 to Post 1
2 Trinity Highway Products Properly Installed SRT-350 6 Post HBA System-Slotted Rail Terminal KY 627 Winchester – Note Post 2 Installed with hinge properly downstream from the nose of the End Treatment
3 Installation Instructions http://www. highwayguardrail Link to obtain the Installation Manual
4 Shop Drawing http://www.highwayguardrail.com/products/pdfs/SS-352.pdf Link to obtain the Shop Drawing
6 Items to Watch for when Installing SRT-350 6 Post HBA System Install Post 2 so that the LARGER hole is placed DOWNSTREAMGuardrail is NOT attached (bolted) at Post 2 – Just the Flange Protector or Backup Plate is connected at Post 2The Cable Anchor goes ABOVE the Strut NOT THROUGH the Strut
7 Post 3-6 CRT (Controlled Release Post) with 8” Offset Blocks Install the CRT Post with 3½” holes Finished GradeNote: Post 7 is also a CRT Wood Post4’0” FlairPost 7 face of Guardrail at Offset BlockMeasure 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
8 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 nutBolts should be installed so the head of the bolt is on the “inside” of the post plates
9 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
11 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 ofthe Post - washer, lockwasher & nut on outsideof PostPost 2
12 Post 2 - Install Post so that the LARGER hole is placed DOWNSTREAM Correct Placement -Can Properly HingeIncorrect – Cannot HingeInstalled BackwardsTraffic
13 Post 2 -Place Post so that the LARGER hole is placed DOWNSTREAM TrafficRepair Incorrectly placed Post 2Remove the Top of Post 2 and the StrutBottom of Post 2 MUST BEREMOVED (note the bottom of Post is not symmetrical and therefore cannot be drilled)Properly backfill the holeRotated bottom of Post degrees and re-drive the PostReattach the top portion of Post 2 and the StrutIncorrect – Cannot HingeInstalled Backwards
14 Installing the Strut Place 2 Angled Struts between Post 1&2 Post 1 attach with ¾” Bolt with Washer & Lockwasher under nutPost 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 2–3 extra washers on bolt between strut & Post
16 SRT-27 Installing Rail Panels Layout the Guardrail so Slot Guard Attachment the ends of the Slots (away from Post 1)Position Guardrail with Long Slots between Post 1&2 Post 2&3Position Guardrail with Short Slots between Post 3&4 and Post 4&5The Guardrail from Post 7 to Post 5 does NOT have SlotsPost 7 is also a CRT Wood PostGuardrail is NOT attached to Post 2
17 Orientation of Slots, Slot Guards and Cable Anchor Bracket No SlotsShort SlotsLong SlotsLong Slots between Post 1& 2 and 2&3Short Slots between Post 3&4 and 4&5No Slots between Post 5&6 and 6&7Slot end of slots away from nose of end treatment with deflector angle (raised end) closest to elongated slotsPost 7 is also a Wood CRT PostCableAnchorBracketConnect toWood CRT Post 7Slot Guards Away From Post 1
21 Installing Rail Panels Continued Guardrail is attached to the Post through the Offset Post 3, 4, 5 and 6Guardrail is not attached (bolted) at Post 2Incorrectly BoltedCorrectly NOT BoltedPOST 2
22 Post 2 has a Backup or Flange Protector Plate Cable Anchor Assembly At post location 2, bolt the backup rail panel (Flange Protector) to the HBA Top Post using a 5/8" x 2" (bolt, nut, and washer. The washer is installed between the post and the nut. Do not attach the rail to the post.The cable anchor bracket is bolted to the backside of the guardrail using eight (8) 5/8" x 1½ " hex bolts, eight (8) hex nuts, and eight (8) round washers. The round washers are installed between the bolt head and the rail panel on the traffic side.
23 Installing Rail Panels Post 1 Insert 5/8”x2” HGR Post Bolt thru the Rail Panel at Post 1 and secure with Hex Nut and TightenConnect the End Section to the End of the Guardrail with four 5/8”x1 ¼” HGR Splice Bolts and Hex HGR NutsAttach Reflective SheetingYour 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 BoltsInsert 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 NutsSlide 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 TrafficFront of Rail
27 Install Cable Anchor Assembly – Post 1 Slide the other end of Cable between upper & lower sections of the HBA Post 1On Post No. 1, bolt the 4"x5¾" x ¼” Cable Web Plate to the web 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.
28 Cable Web plate @ Post 1 pushing down on the top of the Shank of the Cable Anchor Cable Web Plate pushing down on thetop of the Shank ofthe 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 Cable Anchor Assembly – Post 1 “V” Bearing Plate rest on top of Flange of bottom of HBA Post Correct “V” Notch UpIncorrect“V” Notch Down
31 NOTE: The Cable Anchor goes ABOVE the Strut NOT THROUGH the Strut Cable Anchor CorrectlyABOVE the StrutCable Anchor INCORRECTLYTHROUGH the Strut
33 Installation Instructions http://www. highwayguardrail Link to obtain the Installation Manual
34 Shop Drawing http://www.highwayguardrail.com/products/pdfs/SS-352.pdf Link to obtain the Shop Drawing
35 Items to Watch for when Installing SRT-350 6 Post HBA System Install Post 2 so that the LARGER hole is placed DOWNSTREAMGuardrail is NOT attached (bolted) at Post 2 – Just the Flange Protector or Backup Plate is connected at Post 2The Cable Anchor goes ABOVE the Strut NOT THROUGH the Strut
36 Q & A TimeInstall Post 2 so that the LARGER hole is placed___________ from the end of the guardrail end treatment???DOWNSTREAM
37 Q & A Time2. The Cable Anchor goes ABOVE OR THROUGH the Strut???
38 Q & A Time3. Guardrail IS or IS NOT attached (bolted) at Post 2??? IS NOT