TrinityHighway.com
44
December 2021
CAT® System Assembly Checklist
(File with Project Records)
Performed by:
Date:
Location:
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1. Ensure only Trinity Highway CAT® parts are used for the assembly of the CAT® System and that all
parts are free of damage. (pp 5 & 6)
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2. Ensure required traffic control is in place to conduct CAT® assembly. (p 5)
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3. Ensure the appropriate CAT® Tail has been used. (pp 6 & 14)
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4. Ensure proper site grading complies with state/specifying agency guidelines or AASHTO Roadside
Design Guide, whichever is more stringent. (pp 14 & 16)
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5 Ensure the top of the Tube Sleeves do not protrude more than 4” [100 mm] above the finished grade.
(pp 17- 20).
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6. Ensure that washers are assembled between the bolt head and strut and nut and strut at posts 1 & 2.
(p 18)
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7. Ensure that 1 3/4” x 3” [42 mm x 75 mm] Rectangular Washers are assembled at Post Locations 8, 7, 2,
& 1. (pp 22, 25, 28 & 30)
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8. Ensure the CAT® 12 Gauge, Slotted Guardrail-1 or CAT® 10 Gauge, Slotted/Welded, Guardrail-2 are
oriented correctly and lapped in the appropriate direction allowing them to telescope when impacted on
the nose. (pp 27 & 28)
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9. Ensure that the CAT® 12 Gauge, Slotted Guardrail-1 or CAT® 10 Gauge, Slotted/Welded, Guardrail-2
are not bolted to post 3, 5, and 6. (pp 19 & 27)
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10. Ensure that
only
the plate welded to the CAT® 10 Gauge, Slotted/Welded, Guardrail-2 is bolted to the
post at post 4. (p 34)
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11. Ensure the CAT® 3/16” x 2” x 10” [5 mm x 50 mm x 250 mm] plate washers at posts 4 and 6 are located
on the inside and outside of the CAT® 12 Gauge, Slotted Guardrail-1 or CAT® 10 Gauge, Slotted/Welded,
Guardrail-2. (pp 35 and 37)
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12. Ensure that only CAT® hex bolts with the
CAT®
symbol are used to assemble the splices at posts 4 and
6. (pp 26-28)
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13. Ensure that the gusset plates in the CAT® spacer block are facing Post 2. (p 29)
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14. Ensure CAT® pipe sleeves are inserted at both Post 1 and Post 2. If a single sided CAT® Tail is used,
ensure a pipe sleeve is used at Post 6. (pp 24 & 32)
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15. Ensure the CAT® Bearing Plate is toe nailed and oriented with the hole 3” from the bottom edge of the
CAT® Bearing Plate. (pp 24 & 32)
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16. Ensure the CAT® Anchor Cable and CAT® Tail Anchor Cable when used, is double nutted on each end
and are tightened against each other with a minimum of two (2) threads showing past the outside nut.
(pp 24 & 32)
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17. Ensure the CAT® Anchor Cable and CAT® Tail Anchor Cable when used is taut. (pp 24 & 32)
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18. Ensure that the CAT® restraining rods are assembled down stream of posts 3 and 5 in the narrow portion
of the key holes of the CAT® 1 & 2 Guardrails and there are lock washers and nuts on the inside of the
panel and a nut on the outside of the panel with two threads showing past the nut. Ensure there are no
washers between the nut and traffic face of the panel. (p 33)
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19. Ensure the CAT® knockout tubes are assembled correctly and on the downstream side of Posts 4 and
6, using two (2) lag screws. Ensure the CAT® Post Plates are assembled correctly on Post 4. (p 34)
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20. Ensure that all fasteners of the CAT® are tightened to a snug position with a minimum of
two (2) bolt threads protruding beyond the nut.
There are no torque requirements.
(Various pp)
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21. Ensure delineation is placed on the CAT® Nose Section per MUTCD and/ or state/specifying agency.
(p 35)
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22. Ensure any steel delineator posts are a minimum of 3’-0 [1 m] upstream from the CAT® 10 Gauge Nose
Section. (p 35)
