Summary of Contents for Trinity Highway SRT 31 System
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PN 626825 Created November 2021 31 System Flared End Terminal Product Description Assembly Manual...
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The information contained in this manual supersede all previous versions. The instructions, illustrations, and specifications are based on the latest SRT™ 31 System information available to Trinity Highway at publication. We reserve the right to make changes at any time. Please visit TrinityHighway.com/product-...
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SRT™ 31 System Flared End Terminal The SRT™ 31 System is a straight flared, single-sided, re-directive, and gating end terminal. TrinityHighway.com Created November 2021...
Personal Protective Equipment SYTP Steel Yielding Terminal Post® ® SRT™ 31 System Slotted Rail Terminal-31 System TL-X Test Level X; X refers to the different Test Levels; 1, 2 or 3 Trinity Highway Trinity Highway Products, LLC TrinityHighway.com Created November 2021...
Customer Service Contacts Trinity Highway is committed to the highest level of customer service. Feedback regarding the SRT™ 31 System, its assembly procedures, supporting documentation, and performance is always welcome. Additional information can be obtained from the contact information below:...
WARNING: Ensure the assembly site meets all Trinity Highway expressly disclaims any warranty or appropriate Manual on Uniform Traffic Control liability for injury or damage to persons or property Devices (“MUTCD”) and state/specifying agency resulting from any impact, collision or harmful contact standards.
Overview The SRT™ 31 System is a straight flared, single-sided, re-directive, and gating end terminal. The SRT™ 31 System is a 31” [787 mm] high (measured from top of rail to finished grade) end terminal used to shield 31” [787 mm] high strong post W-beam guardrail. The SRT™...
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SRT™ 31 System (40’-7 1/2” Long - 31” High) Reference drawing: SS616 TrinityHighway.com Created November 2021...
If any parts are damaged, missing, or unspecified; do not attempt to assemble the system and contact Trinity Highway immediately (p. 4). Warning: Use only Trinity Highway parts that are specified by Trinity Highway for use with the 31 System for assembling, maintaining, or repairing the SRT™...
SRT™ 31 System Components/Hardware Below is a pictorial depiction of the components/hardware for SRT™ 31 System Please see the Trinity Highway drawings and page 8 of this manual for specific lists of components/hardware and quantities required for SRT™ 31 System selected to be assembled.
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ID: L PN: 34054G ID: M PN: 907G ID: N PN: 3000G SRT™ SRT™ SRT™ Shelf Angle Buffer Cable Assembly 3/4” x 6’-6” ID: O PN: 4211G ID: P PN: 9960G ID: Q PN: 33909G 5/16” x 1.75” Hex Bolt SRT™...
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ID: X PN: 3391G ID: Y PN: 3240G ID: Z PN: 20442G SRT™ 5/8” x 1.75” Hex Bolt (A325) 5/16” Round Washer -3 Guardrail 15’ 7 1/2”” ID: AA PN: 3300G ID: BB PN: 3340G ID: CC PN: 3245G 5/8” Round Washer 5/8”...
Recommended Tools Documentation • Manufacturer’s SRT™ 31 Product Description Assembly Manual (Current Version) • SRT™ 31 System Drawing(s). Current Version of SS 436 or SS 616 Personal Protective Equipment • Eye Protection • Work Gloves • Safety-Toe Shoes • Back Protection •...
Important: Ensure that the SRT™ 31 System application conforms to the AASHTO Roadside Design Guide. Important: Trinity Highway does not direct grading. Proper site grading must be accomplished before assembly of the SRT-31 System in accordance with local guidelines OR the AASHTO Roadside Design Guide (see Appendix A), whichever is more stringent.
NOTE: The order in which the steps appear in this manual are not necessarily the order in which they must be followed. ALL STEPS MUST BE COMPLETED Important: Trinity Highway does not direct grading. Proper site grading must be accomplished before assembly of the SRT™ 31 System in accordance with state/specifying agency guidelines OR the AASHTO Roadside Design Guide (see Appendix A), whichever is more stringent.
3. Layout and placement of the posts are critical to the assembly of the SRT™ 31. WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ 31 System for assembling, Ensure proper site grading in accordance with state/specifying...
3. Layout and placement of the posts are critical to the assembly of the SRT™ 31. WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ 31 System for assembling, Ensure proper site grading in accordance with state/specifying...
4. Ensure the center of the SYTP ® yielding holes are approximately at finished grade as shown. WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ 31 System for assembling, Ensure proper site grading in accordance with state/specifying maintaining,...
5. Post 7 is a standard 6’ [1.83 m] long W6x8.5# [W150x13 kg] or W6x9# [W150x13.5 kg] guardrail post. WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ 31 System for assembling, Ensure proper site grading in accordance with state/specifying...
3. Ensure the top of the CR Post 1 Bottom does not exceed 4” [100 mm] above finished grade. WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ Ensure proper site grading in accordance with state/specifying...
(2) bolt threads protruding beyond the nut. 3240G 2 EA 3245G 2 EA WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ System assembling, maintaining, or repairing the SRT™ Ensure the CR Post 1 Top and CR Post 1 Bottom are oriented 31 System.
4. Tighten all threaded hardware to a snug position with a minimum of two (2) bolt threads protruding beyond the nut. 3340G 2 EA WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ System assembling, maintaining, or repairing the SRT™...
3. Tighten all threaded hardware to a snug position with a minimum of two (2) 3340G 1 EA threads protruding beyond the nut. WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ System assembling, maintaining, or repairing the SRT™...
® 3 Guardrail to SYTP 6. Tighten all threaded hardware to a snug position with a minimum of two (2) bolt threads protruding beyond the nut. Use only Trinity Highway parts WARNINGS that are specified herein for the SRT™ System Do not attach the SRT™-3 Guardrail to post 5.
6. Tighten all threaded hardware to a snug position with a minimum of two (2) bolt threads protruding beyond the nut. WARNINGS Use only Trinity Highway parts that are specified herein for the Do not attach the SRT™-3 Guardrail to post 5. Do not place anything SRT™...
SRT™ 31 installation. 5. Tighten all threaded hardware to a snug position with a minimum of two (2) bolt threads protruding beyond the nut. WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ 31 System for assembling, maintaining, repairing Do not attach the SRT™-2 Guardrail panel to post 5, 4 or 3.
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6. Tighten all threaded hardware to a snug position with a minimum of two (2) bolt threads protruding beyond the nut. WARNINGS Use only Trinity Highway parts Do not attach the SRT™-1 Anchor Guardrail panel to post 3 or 2. that are specified herein for the Ensure the SRT™...
6. Tighten all threaded hardware to a snug position with a minimum of two (2) bolt threads protruding beyond the nut. WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ 31 System for assembling, maintaining, or repairing the SRT™ 31 System.
8 EA 3. Tighten all threaded hardware to a snug position with a minimum of two (2) bolt threads protruding beyond the nut. 3340G 8 EA Use only Trinity Highway parts that WARNINGS are specified herein for the SRT™ System assembling,...
4. Tighten the cable until it is taut. The cable is considered taut when it does not deflect more than 1 inch [25 mm] when pressure is applied by hand in an up or down direction. WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ System assembling, Ensure the cable is taut.
Post #2 that best aligns with the SRT™ Angle Strut. 4. Tighten all threaded hardware to a snug position with a minimum of two (2) bolt threads protruding beyond the nut. WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ 31 System for assembling, maintaining, repairing SRT™...
4 EA 3360G bolt threads protruding beyond the nut. 4 EA 3340G WARNINGS Use only Trinity Highway parts that are specified herein for the SRT™ 31 System for assembling, maintaining, repairing SRT™ 31 System. Do not utilize Ensure the SRT™ Buffer is located on the traffic side and outside or otherwise commingle parts of the SRT™-1 Anchor Guardrail.
Note: Manufacturer suggests that user provide delineation (reflective sheeting) as required by the state/specifying agency for terminals. 1. Note: Trinity Highway offers two (2) specific reflective sheeting: (Yellow/Black (6665B) and Solid Yellow (6666B). Both options can be used for right or left hand assembly applications.
Performed by: Date: Location: 1. Ensure only Trinity Highway SRT™ 31 System parts are used for the assembly of the SRT™ 31 □ System and that all parts are free of damage. (p 5) 2. Ensure required traffic control is in place to conduct SRT™ 31 System assembly. (p 5) □...
(File With Maintenance Records) Performed by: Date: Location: 1. Ensure only Trinity Highway SRT™ 31 System parts are used for the assembly of the SRT™ 31 □ System and that all parts are free of damage. (p 5) □ 2. Ensure required traffic control is in place to conduct SRT™ 31 System assembly. (p 5) 3.
SRT™ 31 System Product Description Assembly Manual. 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...
AASHTO Roadside Design Guide Grading Detail Drawing Source: AASHTO Roadside Design Guide, 4 Edition 2011 Important: Trinity Highway does not direct grading. Proper site grading must be accomplished before assembly of the SRT™ 31 System in accordance with state/specifying agency guidelines OR the AASHTO Roadside Design Guide whichever is more stringent.
Appendix B Leave-Outs Steel Post Detail (Metric) Section A-A Steel Post Detail Section A-A *Grout fill material must have a 28-day compressive strength of 120 psi [0.85 MPa] or less. Drawing Source: AASHTO Roadside Design Guide, 4 Edition 2011 Ensure a proper leave out area (the specified size of open space as WARNING: defined in the AASHTO Roadside Design Guide) is provided around the post(s) and filled with state/specifying agency approved backfill material that will not...
Appendix C Encountering Rock Complete the following steps to install CR Post 1 Bottom and SYTP when encountering rock. ® If compactable, the material removed from the hole may be used for the backfill. CR POST The CR Post 1 Bottom must be installed full depth, Complete the following steps to install CR Post 1 Bottom: 1.
NOTES: TrinityHighway.com Created November 2021...
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NOTES: TrinityHighway.com Created November 2021...
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For more complete information on Trinity Highway products and services, visit us on the web at www.trinityhighway.com. Materials and specifications are subject to change without notice. Please contact Trinity Highway to confirm that you are referring to the most current instructions.
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