Trinity Highway MATT, Assembly Manual

Page: 26 / 44

TrinityHighway.com
February 2022
STEP 6
MATT™ 12 Gauge Transition Guardrail
with Fin-4, 9’-4 1/2” [2.858 m]
PARTS INSTRUCTIONS
B 628289A 2 EA
Reference: SS-6288
1. Assemble the MATT™12 Gauge Transition Guardrail With Fin-4 (Part B),
9’-4 1/2” [2.858 m] as shown above for both sides using specified hardware
(Parts U, BB, TT).
2. At this location ONLY , lap the MATT™ 12 Gauge Transition Guardrail With
Fin-4 with the line guardrail system in the direction of the adjacent
traffic. Position the fins upstream .
3. Tighten all threaded hardware to a snug position with a minimum of two (2)
bolt threads protruding beyond the nut.
4. Guardrail height to be 31” [787 mm], (+1”, -0”) [+25 mm, -0 mm] above
finished grade.
U 3360G 16 EA
BB 3340G 18 EA
KK Various 2 EA
TT 3500G 2 EA
Use only Trinity Highway parts that
are specified herein for the MATT™
for assembling, maintaining, or
repairing the MATT™. Do not
utilize or otherwise commingle
parts from other systems even if
those systems are Trinity Highway
systems.
WARNINGS
Ensure the MATT™ 12 Gauge Transition Guardrail With Fin-4 at
this location
ONLY is lapped with the line guardrail in the direction
of adjacent traffic.
Ensure the fins are positioned upstream
.
Ensure only 8” [200 mm] Composite Offset Blocks are used.
Failure to follow these warnings could result in serious injury or
death in the event of a vehicle impact with the system.
POST 5
POST 6
Note: The assembly
shown for one side of
the post is required for
both sides of the post.
Note: At post location
6 only,
lap the MATT™
12 Gauge Transition
Guardrails With Fin-4 to
the line guardrail
system in the direction
of the adjacent traffic
.
Position the fins
upstream.