Trinity Highway MATT Assembly Manual

Median attenuating trend terminal
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PN 628155
Created February 2022
MATT
®
Median Attenuating TREND
Terminal
Assembly Manual
TRINITY
HIGHWAY
®
Ahead of the Curve

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Table of Contents
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Summary of Contents for Trinity Highway MATT

  • Page 1 PN 628155 Created February 2022 ™ MATT ® Median Attenuating TREND Terminal Assembly Manual TRINITY HIGHWAY ® Ahead of the Curve...
  • Page 2 Trinity Highway at (888) 356-2363 or visit TrinityHighway.com/Products. The instructions, illustrations, and specifications are based on the latest MATT™ information available to Trinity Highway at publication. We reserve the right to make changes at any time. Please visit TrinityHighway.com/product-category/end terminals...
  • Page 3 MATT™ The MATT™ is a tangent, double-sided, re-directive/gating and energy absorbing attenuator/end terminal, for use with various longitudinal highway barriers, in either unidirectional or bidirectional traffic applications, to include roadside, shoulder, median and gore installations. TrinityHighway.com February 2022...
  • Page 4: Table Of Contents

    ® STEP 2C: MATT™ SYTP With Soil Plate W-Shaped Assembly for Post 3 to 5 ........... 19 STEP 2D: MATT™ Line Post With Soil Plate W-Shaped Assembly for Post 6 ..........20 STEP 3: MATT™ Angle Strut Assembly ...................... 21 STEP 4: MATT™...
  • Page 5: Matt™ Acronyms And Abbreviations

    Trinity Highway Trinity Highway Products, LLC Customer Service Contacts Trinity Highway is committed to the highest level of customer service. Feedback regarding the , its assembly procedures, supporting documentation, and performance is always MATT™ welcome. Additional information can be obtained from the contact information below:...
  • Page 6: Limitations And Warnings

    (approximately 2,270 356-2363 if you have any questions about kg [5,000 lb.] at 100 kph [62 mph]. instructions in this manual. The MATT™ is tested pursuant to the test matrix WARNING: Safety measures incorporating...
  • Page 7: Overview

    Overview The MATT™ has a system length of 34’-4 1/2” [10.477 m] long and is a tangent, 31” [787mm] (+1” -0”) [+25 mm, -0 mm] high, double-sided, re-directive/gating and energy absorbing attenuator/end terminal available for use with various longitudinal highway barriers, in either unidirectional or bidirectional traffic applications.
  • Page 8: Recommended Tools

    Recommended Tools Documentation • Manufacturer’s MATT™ Product Description Assembly Manual (Current Version). • MATT™ Drawing(s) SS-6288 (Current Version). Personal Protective Equipment • Eye Protection • Work Gloves • Safety-Toe Shoes • Back Protection • Hard Hat • Reflective Vest •...
  • Page 9: Site Preparation

    Site Preparation The MATT™ has a system length of 34’-4 1/2” [10.477 m], long and is a tangent, 31” [787mm] (+1” -0”) [+25 mm, -0 mm] high, double-sided, re-directive/gating and energy absorbing attenuator/end terminal available for use with various longitudinal highway barriers, in either unidirectional or bidirectional traffic applications.
  • Page 10: Post Placement

    Post Placement The MATT™ posts are inserted into the soil using an auger or post pounding equipment for placement. If an auger is used, ensure diameter is large enough to allow for proper compaction of state/specifying agency approved fill material. All MATT™ posts must be assembled within established standard construction tolerances, including being plumb.
  • Page 11 3240G 8” [200 mm] Composite Offset Block (wood is not allowed) Various MATT™ Soil PL, 1/4” x 18” x 24” [6 mm x 457 mm x 610 mm] for Posts 1-2 628273G MATT™ Soil Plate W-Shaped (Multi-Directional) for Posts 3-6 628269G 5/8”...
  • Page 12: Matt™ System Components/Hardware

    Components/Hardware MATT™ Below is a pictorial depiction of the components/hardware for MATT™. Please see the Trinity Highway drawings and page 10 of this manual for specific lists of components/hardware and quantities required for MATT™ selected to be assembled. Note: The following components/hardware are not shown to scale .
  • Page 13 ID: L PN: 628276A ID: J PN: 628338G ID: K PN: 628285A CR Post 1 Bottom MATT™ MATT™ Backing Plate MATT™ CR Post 1 Top ID: M PN: 628271G ID: N PN:628270G ID: O PN: 628279G ® SYTP Holes ®...
  • Page 14 ID: S PN: 4211G ID: T PN: 3391G ID: U PN: 3360G 5/16” x 1.75” Hex Bolt 5/8” x 1.75” Hex Bolt (A325) 5/8” x 1.25” GR Bolt [8 mm x 44 mm] [16 mm x 44 mm] [16 mm x 31 mm] ID: V PN: 3403G ID: W...
  • Page 15 [13 mm] [13 mm] ID: JJ PN: 3240G ID: KK PN: Various ID: MM PN: 628273G MATT™ Soil Plate Posts 1 & 2 5/16" Flat Washer 8” [200 mm] Composite [8 mm] Offset Block ID: NN PN: 628269G ID: OO...
  • Page 16: Assembly Steps

    Assembly Steps To ensure an accurate assembly of the MATT™ Terminal, it is recommended that steps be completed in order. ALL STEPS MUST BE COMPLETED. Below ground portions in some assembly steps are not shown for clarity. See Step 16 for bolt/nuts combinations that must be torqued to 65 ft-lb [88 Nm] (+/- 3 ft-lb) [+/- 4 Nm].
  • Page 17: Step 1:

    4. MATT™ Posts 2-6 heights are 32” [813 mm] (+1”, -0”) [+25 mm, -0 mm] above finished grade. 5. The height of the MATT™ CR Post 1 Bottom is 4” [100 mm] (+1”, -0”) [+25mm, -0 mm] above finished grade.
  • Page 18: Step 2A: Matt™ Cr Post 1 Bottom With Soil Plate Assembly

    4. Ensure that the MATT™ Strut Hole is assembled on the upstream side of the post. 5. Ensure the top of the MATT™ CR Post 1 Bottom With Soil Plate is 4” [100 mm] (+1”, -0”) [+25 mm, -0 mm] above finished grade.
  • Page 19: With Soil Plate Assembly Post 2

    INSTRUCTIONS Reference: SS-6288 628271G 1 EA 3340G 2 EA 1. Assemble the MATT™ Soil Plate (Part MM) to the downstream side of the ® 6’-0” [1.829 m] MATT™ SYTP (Part M) as shown above using specified 628273G 1 EA hardware (Parts BB, OO).
  • Page 20: Step 2C: Matt™ Sytp With Soil Plate W-Shaped Assembly For Post 3 To 5

    INSTRUCTIONS Reference: SS-6288 628271G 3 EA 3340G 6 EA 1. Assemble the MATT™ Soil Plate W-Shaped (Part NN) to the downstream ® side of the 6’-0” [1.829 m] MATT™ SYTP (Part M) as shown above using 628269G 3 EA specified hardware (Parts BB, OO).
  • Page 21: Step 2D: Matt™ Line Post With Soil Plate W-Shaped Assembly For Post 6

    3340G 2 EA 1. Assemble the MATT™ Soil Plate W-Shape (Part NN) to the downstream side of the 6’-0” [1.829 m] MATT™ System Line Post 6 (Part N) as shown 628269G 1 EA above using specified hardware (Parts BB, OO).
  • Page 22: Step 3: Matt™ Angle Strut Assembly

    (Parts T, Z). 3391G 4 EA 2. Assemble the MATT™ Angle Strut (Part O) with the “toe” of the vertical leg down and fasten to Posts 1 and the MATT™ Adapter Plate at Post 2, using 3361G...
  • Page 23: Step 4: Matt™ Cr Post 1 Top Assembly

    628285A 1 EA 4211G 2 EA 1. Assemble the MATT™ CR Post 1 Top (Part K) to the MATT™ CR Post 1 Bottom as shown in the “MATT™ CR POST 1 TOP ORIENTATION 3245G 2 EA DETAIL” using specified hardware (Parts S, JJ, Y).
  • Page 24: Step 5A: Matt™ Double Spacer Assembly Posts 1 And 2

    113457G 4 EA 1. Assemble the MATT™ Double Spacer (Part H) to the MATT™ SYTP® (Post 2) and MATT™ CR Post 1 as shown above with the Bent Flange 118009G 8 EA Pointed Downward using specified hardware (Parts FF, GG, HH).
  • Page 25: Step 5B: Matt™ Single Spacer Assembly Posts 3 To 5

    628281A 3 EA 3403G 6 EA 1. Assemble the MATT™ hardware (Parts V, AA, BB). 2. Ensure the upstream slotted hole in the MATT™ Single Spacer is bolted 4372G 6 EA ® to the MATT™ SYTP with Soil Plate using the upstream hole in the post.
  • Page 26: Step 6: Matt™ 12 Gauge Transition Guardrail With Fin-4, 9'-4 1/2" [2.858 M]

    9’-4 1/2” [2.858 m] as shown above for both sides using specified hardware 3340G 18 EA (Parts U, BB, TT). 2. At this location ONLY, lap the MATT™ 12 Gauge Transition Guardrail With Various 2 EA Fin-4 with the line guardrail system in the direction of the adjacent...
  • Page 27: Step 7: Matt™ 12 Gauge, Slotted Intermediate Guardrail With Fin-3, 6'-3" [1.905 M] Posts 4-5

    2. Ensure the MATT™ 12 Gauge Slotted Intermediate Guardrail With Fin-3 3361G 12 EA installed between Posts 4 and 5 is lapped to the outside of the MATT™ 12 118615G 12 EA Gauge Transition Guardrail With Fin-4 and fins are positioned upstream.
  • Page 28: Step 8: Matt™ 12 Gauge, Slotted Intermediate Guardrail With Fin-3, 6'-3" [1.905 M] Posts 3-4

    2. Ensure the MATT™ 12 Gauge Slotted Intermediate With Fin-3 installed 3361G 12 EA between Posts 3 and 4 is lapped to the outside of the MATT™ 12 Gauge 118615G 12 EA Slotted Intermediate Guardrail With Fin-3 installed between posts 4 and 5 3.
  • Page 29: Step 9: Matt™ 12 Gauge, Slotted Intermediate Guardrail-2, 6'-3" [1.905 M]

    2. Ensure the MATT™12 Gauge Slotted Intermediate Guardrail-2 installed 3361G 12 EA between Posts 2 and 3 is lapped to the outside of the MATT™12 Gauge 118615G 12 EA Slotted Intermediate Guardrail With Fin-3 installed between posts 3 and 4.
  • Page 30: Step 10: Matt™ 10 Gauge, Slotted Front Guardrail-1, 6'-3" [1.905 M]

    12 EA outside of the MATT™ 12 Gauge Slotted Intermediate Guardrail-2 3. Ensure the MATT™ Backing Plate is on the outside of the MATT™ 10 Gauge Slotted Front Guardrail-1. 4. Assemble all hardware loosely ensuring bolt is seated for this step.
  • Page 31: Step 11: Matt™ Cable Assembly

    2. Ensure that the bent portion of the Cable Anchor Bracket Angle [Part Q] at 3910G 2 EA CR Post 1 is up and hooked over the MATT™ CR Post 1 Top. WARNINGS Use only Trinity Highway parts that are specified herein for the MATT™...
  • Page 32: Step 12: Matt™ 10 Gauge Head Rail Assembly, 1'- 9 3/4" [552 Mm]

    628339A 2 EA 118614G 8 EA 1. Assemble the MATT™ 10 Gauge Head Rail (Part F), 1’-9 3/4” [552 mm] to the MATT™ 10 Gauge Slotted Front Guardrail-1 as shown above for both 3361G 8 EA sides using specified hardware (Parts W, CC, EE, Z).
  • Page 33: Step 13: Matt™ Delineation Assembly

    1 EA 1. For median/roadside application, attach the Delineation Sheeting (Part YY) 105379B 1 EA to the MATT™ Impact Head (Part A) as shown above. Rotate as appropriate. 2. For gore application, attach the Delineation Sheeting (Part ZZ) to the 105380B 1 EA MATT™...
  • Page 34: Step 14: Matt™ Head Tube Assembly

    118615G 2 EA 5/8” Heavy Hex Nut used to assemble the MATT™ Head Tube to the MATT™ Impact Head to 65 ft-lb [88 Nm] (+/- 3 ft-lb) [+/- 4 Nm] using a calibrated torque wrench. 628342B, from Step 13 WARNINGS Use only Trinity Highway parts that are specified herein for the MATT™...
  • Page 35: Step 15: Matt™ Impact Head Assembly

    2. Insert 5/8” x 2” GR Bolt through the delineation sheeting and tighten the 5/8” Heavy Hex Nut used to Assemble the MATT™ Head Tube to the MATT™ Impact Head, to 65 ft-lb [88 Nm] (+/- 3 ft-lb) [+/- 4 Nm] using a calibrated torque wrench.
  • Page 36: Step 16: Matt™ Nuts To Be Torqued And Cable Tensioning

    3. Ensure that the bent portion of the Cable Anchor Bracket Angle (See Step 11) at CR Post 1 is up and hooked over the MATT™ CR Post 1 Top. 4. Restrain the cable with locking pliers and/or a pipe wrench while tightening nut with a wrench, at the end being tightened to avoid twisting the cable.
  • Page 37: Matt™ System Assembly/Repair Checklist (File With Project/Maintenance Records)

    (p 9) □ Ensure the Strut Hole of the MATT™ CR Post 1 Bottom with Soil Plate is upstream and the Post is 4” [100 mm] (+1”, - 0”) [+25 mm, -0 mm] above the finished grade. (pp 17, 21-22).
  • Page 38: Matt™ System Routine Inspection Checklist (File With Maintenance Records)

    Product Description Assembly Manual. MATT™ If no end terminal inspection program exists, Trinity Highway recommends visual drive-by inspections at least once every month and walk-up inspections every six (6) months. These inspections shall, at a minimum, consist of:...
  • Page 39: Appendix A: Aashto Roadside Design Guide Roadside (Shoulder) Grading Detail

    Edition 2011 IMPORTANT: Trinity Highway does not direct grading. Proper site grading must be accomplished before assembly of the MATT™ System in accordance with state/specifying agency guidelines or the AASHTO Roadside Design Guide, whichever is more stringent. Failure to follow this warning could result in serious injury or death in the event of a vehicle impact with the system.
  • Page 40: Appendix B: Aashto Roadside Design Guide Median Grading Detail

    Edition 2011 IMPORTANT: Trinity Highway does not direct grading. Proper site grading must be accomplished before assembly of the MATT™ System in accordance with state/specifying agency guidelines or the AASHTO Roadside Design Guide, whichever is more stringent. Failure to follow this warning could result in serious injury or death in the event of a vehicle impact with the system.
  • Page 41 NOTES: TrinityHighway.com February 2022...
  • Page 42 NOTES: TrinityHighway.com February 2022...
  • Page 43 NOTES: TrinityHighway.com February 2022...

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