TrinityHighway.com
34
Created November 2021
SRT™ 31 System Repair Checklist
(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)
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2. Ensure required traffic control is in place to conduct SRT™ 31 System assembly. (p 5)
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3. Ensure proper site grading complies with state/specifying agency guidelines or AASHTO Roadside
Design Guide, whichever is more stringent. (pp 13 & 36)
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4. Ensure SRT™ 31 System has a 4’0” [1.22 m] straight-line offset.(pp 15-16)
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5. Ensure the center of the SYTP
®
yielding holes are approximately centered at finished grade line for
posts 2 - 6. (p 17)
□
6. Ensure that soil around all SYTP
®
is properly compacted and post will be free to rotate. When leave-
outs are necessary, use only state/specifying agency’s approved backfill material within the leave-out
area. (pp 14 & 37)
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7. Ensure the CR Post 1 top and CR Post 1 bottom are oriented correctly. (p 20)
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8. Ensure the top of the CR Post 1 Bottom does not protrude more than 4” [100 mm] above the finished
grade. (p 19)
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9. Ensure the SRT™ Shelf Angle at Post 2 is attached with 2 bolts and the SRT™ Flange Protector and
SRT™ Anchor Guardrail are placed appropriately. (p 21)
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10. Ensure that the SRT™-1 Anchor Guardrail and SRT™ -2 and -3 Guardrails height are approximately
31” [787 mm] above the finished grade. (pp 6-7 & 23- 26)
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11. Ensure the SRT™ Flange Protector is installed on traffic side of post 4. (p 22)
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12. Ensure the SRT™-1 Anchor Guardrail and SRT™ -2 and -3 Guardrails between Posts 1 and 7 are not
curved. (pp 23- 26)
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13. Ensure the SRT™-1 Anchor Guardrail and SRT™ -2 and -3 Guardrails are oriented correctly and lapped
in the direction of the nearest adjacent traffic. (p 23)
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14. Ensure that the SRT™ -2 and -3 Guardrails are not bolted to posts 2-5. (pp 24-26)
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15. Ensure 5/8” x 1.75” countersunk HD bolt is used to attach the SRT™-3 Guardrail to Post 6. (p 2 4)
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16. Ensure the SRT™ Slot Guards are in place against the non-traffic side of the SRT™ Anchor Guardrail
and SRT™ -2 and -3 Guardrail with the deflector angle gap opening toward (closest to) the elongated
slot and arrows pointing towards Post 1. (p 27)
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17. Ensure the SRT™ Cable Anchor Bracket is placed between Posts 1 and 2 on the non-traffic side of
the SRT™-1 Anchor Guardrail and the SRT™ Cable Anchor Bracket is bolted to the SRT™-1 Anchor
Guardrail with eight (8) Hex Bolts and that washers are placed between the bolt head and the front of
the SRT™-1 Anchor Guardrail. (p 28)
□
18. Ensure the bent part of the SRT™ Cable Anchor Bracket Angle [Part Q] at SRT™ Anchor Post is up
and hooked over the CR Post 1 Top. (p 28-29)
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19. Ensure washers are ONLY used on the traffic side of the SRT™-1 Anchor Guardrail for the SRT™
Cable Anchor Bracket. (p 28)
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20. Ensure the 1” Hex Nuts have been fully tightened and the SRT™ Anchor Cable is taut. (p 29)
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21. Ensure the SRT™ Angle Strut is properly attached on the non-traffic side to the CR Post 1 Bottom and
Post 2 SYTP
®
. (p 30)
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22. Ensure that all fasteners of the SRT™ 31 System are tightened to a snug position with a minimum of
two (2) bolt threads protruding beyond the nut. (Various pp)
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23. Ensure delineation is placed on the SRT™ Buffer per MUTCD and/ or state/specifying agency. (p 32)
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24. Ensure any steel delineator posts are a minimum of 3’ [1 m] upstream from the SRT™ Buffer. (p 32)
