TrinityHighway.com
4
Revision F November 2021
Limitations and Warnings
Trinity Highway, in compliance with NCHRP Report 350
and MASH, contracts with ISO 17025 A2LA accredited
testing laboratories to perform crash tests, evaluate
tests, and submit the test results to the FHWA for review.
CASS
®
S3 has been deemed eligible by FHWA as meeting the
requirements and guidelines of NCHRP Report 350 and
MASH, Test Level 3 (“TL-3”) and Test Level 4 (“TL-4"). These
tests typically evaluate product performance defined by
NCHRP Report 350 and MASH involving a range of vehicles
on roadways, NCHRP Report 350 and approximately 1,100kg
[2,420 lb.] for MASH) and full size pickup trucks (approximately
2,000 kg [4,400 lb.] for NCHRP Report 350 and approximately
2,270 kg [5,000 lb] for MASH) at 100 kph [62 mph]. For TL-4,
the vehicle is single-unit van truck, approximately 8,000 kg
[18,000 lb.] for NCHRP Report 350 and approximately 10,000
kg [22,000 lb] for MASH. The speed and angle for NCHRP
Report 350 is at approximately 80 kph [45 mph]/15 degrees
and 90 kph [56 mph]/15 degrees for MASH.
CASS
®
S3 is tested pursuant to the test matrix criteria
of MASH as designated by AASHTO and FHWA and
NCHRP Report 350 as designated by FHWA. The
FHWA AASHTO tests are not intended to represent
the performance of systems when impacted by every
vehicle type or in every impact condition existing on
the roadway. Every departure from the roadway is a
unique event.
Trinity Highway expressly disclaims any warranty or
liability for injury or damage to persons or property
resulting from any impact, collision or harmful contact
with its products, other vehicles, or nearby hazards or
objects by any vehicle, object or person, whether or not
the products were assembled in consultation with Trinity
Highway or by third parties.
CASS
®
S3 is intended to be assembled, delineated, and
maintained within specific state and federal guidelines. It
is important for the state/specifying agency the use of a
highway product to select the most appropriate product
configuration for site specifications.
The state/specifying agency’s careful evaluation of
the site layout, vehicle population type and speed,
traffic direction, and visibility are some of the
elements that require evaluation in the selection of a
highway product. For example, curbs could cause an
untested effect on an impacting vehicle.
After an impact with the system, all debris must be
removed from the area immediately in compliance with
the most applicable agency policy. The specified
CASS
®
S3 must be evaluated and restored to its original specified
condition or replaced as the state/specifying agency
determines/requires, as soon as possible. Product
selection, approval, proper installation, and maintenance
of any highway product is the sole responsibility of the
state/specifying agency.
Safety Alert Symbols appear throughout this manual
and indicate Danger, Warning, Caution or Important
statements. Failure to read and follow these warnings
could result in serious injury or death in the event of
a vehicle impact with the system.
WARNING: Do not assemble, maintain, or repair
CASS
®
S3 until you have read this manual thoroughly
and completely understand it. Ensure that all Danger,
Warning, Caution, and Important statements within
the manual are completely followed. Please call Trinity
Highway at (888) 356-2363 if you have any questions
about instructions in this manual.
WARNING: Safety measures
incorporating
appropriate traffic control devices and personal
protective equipment ("PPE") specified by
the
state/specifying agency must be used to protect all
personnel while at the assembly, maintenance, or
repair site.
WARNING: Ensure the assembly site meets all
appropriate Manual on Uniform Traffic Control
Devices (“MUTCD”) and local standards.
WARNING:
Only Trinity Highway parts that are
specified herein can be used for assembly,
maintenance, or repair on CASS
®
S3. Do not utilize
or otherwise commingle parts from other systems,
even if those systems are other Trinity Highway
systems.
Such configurations have not been tested,
nor have they been approved for use. Assembly,
maintenance or repairs using unspecified parts or
accessories is strictly prohibited. Failure to follow
this warning could result in serious injury or death
in the event of a vehicle impact with such an
UNACCEPTED system.
WARNING: Do NOT modify the
CASS
®
S3 in any
way.
IMPORTANT:
Trinity
Highway
makes
no
recommendation whether use or reuse of any part of
CASS
®
S3 is appropriate or acceptable after system
impact. It is the responsibility of the state/specifying
agency and its engineers to make that determination.
IMPORTANT: It is the responsibility of the owner,
state/specifying agency to inspect
CASS
®
S3 after
assembly is complete to ensure the instructions
provided in this manual have been strictly followed.
Danger:
It is critical that the CASS
®
S3 posts are
placed in suitable soil that will allow the system to
fully perform in accordance with design
specifications. Should you have any questions
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