www.highwayguardrail.com 27 Revised: October 5, 2009
off center (in the vertical direction), 5” (125 mm) from one
edge and 3” (75 mm) from the opposite edge.
5.
Ensure wood blocks are in place and in good condition, as
defined by the state/specifying agency.
6.
Ensure the blockouts have not rotated. Correct the blockout
position and reinstall the 16d hot-dipped galvanized nails, if
needed.
REPAIR
Complete the following steps to repair the ET-PLUS™ systems:
Step Actions
1.
Setup necessary traffic control at the accident site and then,
remove any debris that has encroached onto the traveled way or
shoulder.
WARNING: Ensure that the necessary traffic control is
setup and any debris that has encroached onto the
traveled way or shoulder has been removed, before
beginning installation or repairs. Failure to follow this
warning could result in serious injury or death in the
event of a collision.
WARNING: Safety measures, incorporating traffic
control devices, must be used to protect all personnel
while at the installation, maintenance, or repair site.
Failure to follow this warning could result in serious
injury or death to the workers and/or bystanders. Trinity
Highway Products offers an economical and effective
truck mounted attenuator, the MPS-350, for the
protection of workers in work zones. For more
information on the MPS-350, call 800-644-7976 or visit
the Trinity Highway Products website at
www.highwayguardrail.com.
2.
Take inventory of the damaged systems and determine what
parts are reusable, as defined by the state/specifying agency
and what parts need to be replaced.
3.
Check the ET-PLUS™ Extruder (Head) for damage. (It is
normally reusable.)
4.
Check the anchor cable and Cable Anchor Bracket for damage.
(The Bearing Plate, nuts, washers, and Cable Anchor Bracket
are rarely damaged.)
5.
Obtain the Trinity Highway Products’ parts that need to be
replaced from Trinity Highway Products, LLC. (See TOOLS
REQUIRED section for list of recommended tools for the repair
of the ET-PLUS™ systems.)
WARNING: Use only Trinity Highway Products’ parts on
the ET-PLUS™ systems for installation, maintenance, or
repair. The installation or co-mingling of unauthorized
parts is strictly prohibited. Failure to follow this warning
could result in serious injury or death in the event of a
vehicle impact with a system that has not been accepted
by the Federal Highway Administration (“FHWA”). The
ET-PLUS™ systems and its component parts have been
accepted for state use by FHWA. However, a co-
mingled system has not been accepted.
6.
Return to the repair site with the replacement parts and tools
needed.
7.
Cut off the extruded rail near the ET-PLUS™ Extruder (Head).
Do not cut the ET-PLUS™ Extruder (Head) from the non-
extruded rail.
8.
Secure a chain to the ET-PLUS™ Extruder (Head).
9.
Attach the chain to a truck frame while the other end of the rail is
still connected to the downstream posts (away from the impact
head) to provide anchorage.
10.
Pull the ET-PLUS™ Extruder (Head) off the rail.
11.
Remove any damaged rail.
12.
Remove the broken posts from the steel tubes.
13.
Remove all damaged CRT, SYTP™, or HBA™ posts.
Undamaged HBA™ posts can be reset.
14.
Remove and discard any rubber bumpers or construction legs
Revised: March 2010
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