HIGHLY-MOBILE WORKER PROTECTION SYSTEMS WORKSHOP

July 12July 12--13, 200513, 2005Sacramento, CaliforniaSacramento, California

Water Filled Barriers Industry Snapshot

Dean C. Alberson, Ph.D., P.E.Dean C. Alberson, Ph.D., P.E.Associate Research EngineerAssociate Research EngineerTexas Transportation InstituteTexas Transportation Institute

Texas A & M UniversityTexas A & M University

DefinitionsDefinitionsWater Filled Water Filled –– Partially or Fully Filled with Water Partially or Fully Filled with Water OnsiteOnsiteBarrier Barrier –– Devices Capable of Redirecting or Devices Capable of Redirecting or Capturing Errant VehiclesCapturing Errant VehiclesPlastic Plastic –– LDPE, HDPE, PP, etc.LDPE, HDPE, PP, etc.Deployable Deployable –– Installed and Removed with Installed and Removed with Minimal EquipmentMinimal EquipmentStructural Elements Structural Elements –– Components that Cause Components that Cause Redirection or Capture Errant VehiclesRedirection or Capture Errant VehiclesChannelizerChannelizer –– Visual Delineation, No Visual Delineation, No RedirectiveRedirectiveCapabilityCapability

How They WorkHow They WorkInertia Inertia ––Transfer of MomentumTransfer of Momentum

Energy Energy –– Moving Weight with FrictionMoving Weight with Friction

Tension Tension –– When Continuous Members are When Continuous Members are presentpresent

ManufacturersManufacturersEnergy Absorption Systems, Inc Energy Absorption Systems, Inc ––Triton, Triton, http://www.energyabsorption.com/http://www.energyabsorption.com/Yodock Wall Company Yodock Wall Company –– Model 2001, Model 2001, http://www.waterbarrier.com/http://www.waterbarrier.com/RemconRemcon Plastics Plastics –– GuardsafeGuardsafe, , http://www.remcon.com/http://www.remcon.com/Off The Wall Off The Wall –– MultibarrierMultibarrier, , http://www.multihttp://www.multi--barrier.combarrier.com//TrafFixTrafFix Devices Devices –– Water Wall , Water Wall , http://www.traffixdevices.com/http://www.traffixdevices.com/Barriers, USA Barriers, USA –– GuardlinerGuardliner, , http://www.barriershttp://www.barriers--usa.com/profile.htmlusa.com/profile.html//

Manufacturers ContinuedManufacturers ContinuedSafety Barriers, Inc. Safety Barriers, Inc. –– SB SB –– 1 1 –– TL, TL, http://www.safetybarriersinc.com/http://www.safetybarriersinc.com/Creative Building Products, Creative Building Products, -- 426SY, 426SY, http://www.soacorp.com/http://www.soacorp.com/Rhino Safety Barrier, LLC Rhino Safety Barrier, LLC –– Barrier, Barrier, http://www.rhinobarriers.com/http://www.rhinobarriers.com/Premier Plastics Premier Plastics –– Roadrunner, Roadrunner, http://www.traffichttp://www.traffic--barrier.com/barrier.com/Traffic Safety Devices, Inc. Traffic Safety Devices, Inc. –– RoadguardRoadguard, , http://www.roadguardbarrier.com/http://www.roadguardbarrier.com/Barrier Systems, Inc. Barrier Systems, Inc. –– Absorb 350, Absorb 350, http://http://www.barriersystemsinc.comwww.barriersystemsinc.com//

FHWA Approval InformationFHWA Approval Information--Longitudinal BarriersLongitudinal Barriers

http://safety.fhwa.dot.gov/roadway_dept/rohttp://safety.fhwa.dot.gov/roadway_dept/road_hardware/index.htmad_hardware/index.htm

Longitudinal BarriersLongitudinal Barriers

Work Zone Devices (Work Zone Devices (ChannelizersChannelizers))

Crash Cushions and TerminalsCrash Cushions and Terminals

FHWA Approval InformationFHWA Approval Information--Longitudinal BarriersLongitudinal Barriers

B34 Safety Barrier Systems B34 Safety Barrier Systems TLTL--33B48 Energy AbsorptionB48 Energy Absorption TLTL--33B97 Yodock Wall CompanyB97 Yodock Wall Company TLTL--33B101 Rhino Safety BarrierB101 Rhino Safety Barrier TLTL--22B111 Creative Building Prod.B111 Creative Building Prod. TLTL--22B113 B113 RemconRemcon PlasticsPlastics TLTL--22B125 Safety Barriers, Inc.B125 Safety Barriers, Inc. TLTL--33B129 Barriers, USAB129 Barriers, USA TLTL--22B130 B130 TrafFixTrafFix Devices, Inc.Devices, Inc. TLTL--11

Water Filled BarriersWith Structural Elements

Water Filled Barriers

Safety Barrier

Water Filled Barriers

Yodock Wall Company

Water Filled Barriers

Triton TL-3

FHWA Approval InformationFHWA Approval Information--Barricades and Barricades and ChannelizersChannelizers

Category 2 HardwareCategory 2 Hardware

Yodock Wall Company, WZ22,WZ106, Yodock Wall Company, WZ22,WZ106, WZ107, WZ127WZ107, WZ127Energy Absorption Systems, WZ191Energy Absorption Systems, WZ191Traffic Safety Store, WZ188Traffic Safety Store, WZ188RooGuardsRooGuards, WZ178, WZ178

Water Filled Longitudinal Channelizers & Barricades

Water Filled Longitudinal Channelizers & Barricades

Water Filled Longitudinal Channelizers & Barricades

Energy Absorption Systems

Water Filled Longitudinal Channelizers & Barricades

Rhino

Terminals and Crash CushionsTerminals and Crash Cushions

Barrier Systems, Inc

Terminals and Crash CushionsTerminals and Crash Cushions

Triton CET (Concrete End Treatment)

WaterfilledWaterfilled Unit BenefitsUnit Benefits

Light Weight (50Light Weight (50--150 lbs Empty)150 lbs Empty)Easily Deployed and RecoveredEasily Deployed and RecoveredLarge Number of Units on Single Truck or Large Number of Units on Single Truck or TrailerTrailerSofter ImpactsSofter Impacts

CleanupCleanupHighly VisibleHighly Visible

WaterfilledWaterfilled Unit BenefitsUnit Benefits

WaterfilledWaterfilled Unit BenefitsUnit Benefits

WaterfilledWaterfilled Unit BenefitsUnit Benefits

WaterfilledWaterfilled Unit LimitationsUnit Limitations

DeflectionsDeflectionsWater Supply @ SiteWater Supply @ SiteNuisance Hits Can DamageNuisance Hits Can DamageLeakageLeakageTerminationTermination

Energy Absorption Systems, Inc Energy Absorption Systems, Inc ––Triton, Triton, http://http://www.energyabsorption.comwww.energyabsorption.com//Yodock Wall Company Yodock Wall Company –– Model 2001, Model 2001, http://http://www.waterbarrier.comwww.waterbarrier.com//RemconRemcon Plastics Plastics –– GuardsafeGuardsafe, , http://http://www.remcon.comwww.remcon.com//Off The Wall Off The Wall –– MultibarrierMultibarrier, , http://www.multihttp://www.multi--barrier.combarrier.com//TrafFixTrafFix Devices Devices –– Water Wall , Water Wall , http://http://www.traffixdevices.comwww.traffixdevices.com//Barriers, USA Barriers, USA –– GuardlinerGuardliner, , http://www.barriershttp://www.barriers--usa.com/profile.htmlusa.com/profile.html//

Safety Barriers, Inc. Safety Barriers, Inc. –– SB SB –– 1 1 –– TL, TL, http://http://www.safetybarriersinc.comwww.safetybarriersinc.com//Creative Building Products, Creative Building Products, -- 426SY, 426SY, http://http://www.soacorp.comwww.soacorp.com//Rhino Safety Barrier, LLC Rhino Safety Barrier, LLC –– Barrier, Barrier, http://http://www.rhinobarriers.comwww.rhinobarriers.com//Premier Plastics Premier Plastics –– Roadrunner, Roadrunner, http://www.traffichttp://www.traffic--barrier.combarrier.com//Traffic Safety Devices, Inc. Traffic Safety Devices, Inc. –– RoadguardRoadguard, , http://http://www.roadguardbarrier.comwww.roadguardbarrier.com//Barrier Systems, Inc. Barrier Systems, Inc. –– Absorb 350, Absorb 350, http://http://www.barriersystemsinc.comwww.barriersystemsinc.com//

Contact InformationContact Information

Contact InformationContact Information

Dean C. Alberson, Ph.D., P.E.Associate Research EngineerSafety & Structural Systems DivisionTexas Transportation InstituteTexas A&M University

(979) 458-3874(979) 845-6107 Faxd-alberson@tamu.eduhttp://tti.tamu.edu/