User Manual

Revision A (Dated 05/01/13) 9
Limitations and Warnings
The TrafFix Devices TrafFix Water-Wall has been tested and passed all NCHRP-350 test criteria and
received FHWA product acceptance letter HSA-10/B130 as a Longitudinal Barrier at Test Level 1
(TL-1), an acceptance letter HSA-10/WZ-224 as a Longitudinal Channelizing Device at Test Level 2
(TL-2), and an acceptance letter HSA-10/WZ-224 as a Barricade at Test Level 3 (TL-3).
This installation document is intended to provide guidance with the TrafFix Water-Wall field
installation which is most commonly used in the work zone. This is only a guide and local road
authorities and regulations should always be checked for final installation procedures and
guidance.
Impact Test Specifications Per Report NCHRP-350
Test Designation Number: 1-11 for Longitudinal Barrier
TL-1 50 km/h [31 mph]
Impact Vehicle: 2000 kg [4500 lbs.]
Angled Impact 20°
Twenty One Sentry Sections Interlinked
(Reference FHWA Product Acceptance HSA-10/B130 )
Test Designation Number: 2-10 for Longitudinal Channelizing Device
TL-2 70 km/h [45 mph]
Impact Vehicle: 820 kg [1087 lbs.]
Angled Impact 20°
Twenty Six TrafFix Water-Walls Interlinked
(Reference FHWA Product Acceptance HSA-10/WZ-224)
Test Designation Number: 3-71 for Barricade (Single Unit)
TL-3 100 km/h [62.5 mph]
Impact Vehicle: 2000 kg [4500 lbs.]
Head On and Perpendicular
Two Walls, Stand Alone
(Reference FHWA Product Acceptance HSA-10/WZ-224)