ACP ABSORB 350, Product Installation Manual

Page 1: ...ve Gating Crash Cushion Product Installation Manual For permanent and temporary steel and concrete barrier Please call Australian Construction Products on 1800 724 172 or visit www acprod com au for more information April 2016 ...

Page 2: ... Introduction 3 System Overview 3 Required Tools 3 Limitations and Warnings 4 Safety Statements 4 System Design Considerations 5 ABSORB 350 Installation 6 Transitions 7 ABSORB 350 Configuration 12 Energy Absorbing Elements 13 Nose piece 14 Installation Checklist 17 ABSORB 350 Clear Zone Requirement 18 Frequently Asked Questions 19 Maintenance Manual Introduction 20 Inspection Drive By 21 Inspectio...

Page 3: ...g crash cushions are frequently used at locations where the vehicle post impact trajectories can be accommodated behind the system If it is desirable to have the majority of post impact vehicle trajectories on the impact side of the system a redirective non gating crash cushion should be considered such as a TAU II System Overview The ABSORB 350 system is designed and constructed to provide accept...

Page 4: ...The ABSORB 350 crash cushion requires a clear zone of 6 x 22 5m Workers equipment and materials should be a minimum of 6m behind crash cushion When properly installed and maintained the ABSORB 350 crash cushion allows an impacting vehicle to be stopped in a safe and predictable manner under the NCHRP 350 impact conditions Vehicle impacts that vary from the NCHRP 350 impact conditions described for...

Page 5: ...A maximum approach and cross slope of 1 10 is preferable On slopes greater than this approval is required from the road controlling authority Curbs As with all road side safety hardware the ABSORB 350 crash cushion has been designed and tested so the centre of gravity of the impacting vehicle is a constant height in relation to the system For this reason the ABSORB 350 cannot be installed in front...

Page 6: ...lation ABSORB 350 Non Redirective Gating Crash Cushion Installing the ABSORB 350 A Install the Transition Assembly Page 7 B Assemble the ABSORB 350 elements Page 12 C Install the Nose Piece Page 15 Note The Delineation shown is for illustrative purposes only For the applicable delineation refer to the local road controlling authorities guidelines Type A Element Type B Element PCB Nose piece ...

Page 7: ...lling the transition assembly first at the concrete barrier wall end and assemble towards the nosepiece Before starting the installation open and inspect all of the hardware kits Lay out all nuts bolts and washers as needed for the installation STEP 1 Attach the transition to the concrete barrier using the pin and loop system 1 2 Install the nuts with washers on the end of the anchor bolts that ar...

Page 8: ... Bolt loops adjust the height of the Anchor Bolts by repeating step 1 1 1 6 Tighten nuts on the Anchor Bolts so that the adapter is tight against the barrier 1 8 Option In the event that the Taper Adapter is installed on a permanent concrete wall mounting bolts must be installed Place the Taper Adapter against the wall in its proper position A punch can be used to mark the concrete in the four spo...

Page 9: ...I PLTD bolts Fill all holes All transition components should be loosely installed at this time Level the side straps and use the holes in the straps as a guide to mark the barrier where the bolt holes will later be drilled 1 10 Once the Taper Adapter has been securely attached using either method mentioned above install the Side Straps to both sides of the Taper Adapter Attach loosely do not tight...

Page 10: ...was loosely attached earlier 1 15 Reinstall the Hinge Plate Adapter installing bolts with washer right to left top to bottom Do not tighten until all bolts are installed When reinstalling the plate the use of a round tapered aligning bar is helpful when placed in the upper left bolt hole during reassembly 1 17 Tighten the anchors on the Side Straps 1 14 Tighten the Side Strap nuts and bolts on the...

Page 11: ... IN THIS DRAWING REFER TO THE ABOVE DRAWING FOR THE TYPE A AND TYPE B ELEMENT ORIENTATION TYPE B TYPE A Carefully choose the required system The ABSORB 350 Crash Cushion System has been fully designed and tested to comply with the evaluation requirements of the National Cooperative Highway Research Program Report 350 NCHRP 350 for Test Level 2 70 kph The TL 2 system contains six energy absorbing e...

Page 12: ...P April 2016 Page 12 Product Installation ABSORB 350 Non Redirective Gating Crash Cushion ABSORB Configuration ABSORB 350 System Configuration Chart Note The variants listed above are applicable to the Australian market however road controlling authority approvals and specifications of the ABSORB 350 take precedence in the accepted use of the variants above ...

Page 13: ... each side in relation to the front and rear hinges See a picture of the two different elements on page 6 and the picture of Step 2 on page 13 When the ABSORB 350 system is assembled it is important to ensure that the two types of elements are always assembled in an alternating fashion as shown in the System Configuration Diagram on Page 11 Thus when you look down either side of the assembled syst...

Page 14: ...with two holes the second hole must be cut in these elements Cut the second hole on the top of the other end of the element following the hole layout of the existing hole Follow the element orientation exactly as shown in the configuration diagram on page 11 The additional evaporation caps for the new holes are shipped in the nose piece box Step 3 Four tabs connect the final Energy Absorbing Eleme...

Page 15: ...t Step 6 Attach the Nose Piece on the end of the final element with the two 10mm x 381mm pins that link the Nose Piece to the tabs on the hinge assembly There are three 3 access holes in the Nose Piece one on top and one on each side Use the two side access holes for the installation of these pins After the pins are installed attach the pin harness clips to the small mounting hole next to the acce...

Page 16: ...elements could become frozen or if conditions could fall below zero degrees additives should be used to stop the water freezing Refer to the local road controlling authority for acceptable additives The ABSORB 350 elements should be inspected regularly to ensure that the elements that are intended to contain water or antifreeze fluid are kept at adequate fill levels Step 9 Install the Evaporation ...

Page 17: ...t order Refer to the System Configuration Diagram Page 6 Is the Transition anchored to concrete with 4 anchor bolts and to steel with 2 pins Are all the elements pinned together as per Installation Manual Have the elements been configured as per the configuration chart Have all elements except the final element been filled with water Are all elements aligned with the downstream barrier Has Delinea...

Page 18: ...50 to the Point of Need or B L O N plus a Clear Zone of 22 5m Run Out Area required for 70 80 kph ABSORB shown below only Note Deflection downstream of Barrier Length of Need B L O N as per performance criteria of the concrete barrier typically 1 5m to 1 8m for unanchored barrier Deflection of an anchored barrier is assumed to be 0 5m Note For unanchored barriers the Point of Need or B L O N is ty...

Page 19: ...rees additives can be used to stop the water freezing Refer to the road controlling authority for acceptable additives 5 Can the ABSORB 350 nose piece be angled off the concrete barrier to better face traffic The ABSORB 350 system is designed to be flexible to allow for small angle adjustments and movement at job site The nose piece can be angled off to face traffic as long as all of the ABSORB 35...

Page 20: ...e operation without the proper plans and tools For further guidance refer to the ABSORB 350 Installation portion of this manual If you require additional information or have questions about the ABSORB 350 Crash Cushion System please call ACP on 02 8708 4400 or go to www acprod com au Layout Conventions The picture of the ABSORB 350 system is labeled to show the descriptive terms that will be used ...

Page 21: ...pection is warranted 2 Make sure that all of the elements are present and that there is no debris lodged between the elements 3 If delineation has been applied to the nose cover make sure that it is still properly applied and visible 4 If the system appears to have been impacted in any way scrapes paint marks etc a Hands On inspection should be made NOTE It is important to keep a logbook of all Dr...

Page 22: ... keep a log book of all Hands On inspections for each installed system Record the date of inspection the observed condition of the system and any replaced items Post Impact Inspection Repairs After an impact the system must be thoroughly inspected to determine which parts can be reused and which parts will need to be replaced The system must be repaired to its original condition to operate properl...

Page 23: ...Redirective Gating Crash Cushion Safety Barrier System Conditions ABSORB 350 Plastic Terminal Temporary The conditions for use of the ABSORB 350 Plastic Terminal Temporary on the New South Wales classified road network are shown in the attached Safety Barrier System Conditions The conditions are based on the determination of the Austroads Safety Barrier Assessment Panel Appendix A Safety Barrier S...

Page 24: ...subject to site specific risk assessment noting that the product may only be used where high speed side impacts are unlikely penetration behind or vaulting over the barrier has been managed and use of a redirecting impact attenuator is not feasible for reasons other than cost or convenience Tested containment kg 2 000 kg at 100 km h and 0 Extract from USA Federal Highway Administration Letter HSA ...

Page 25: ...ncrete Permitted Asphaltic concrete over granular pavement Permitted Flush seal over granular pavement Permitted Unsealed compacted formation Permitted Natural surface Not permitted Foundation pavement conditions Foundation pavement conditions must be smooth and free of snag points kerbs or obstructions that may interfere with the operation of the product Attachments and screens Visual screens deb...

Page 26: ...itions are based on drawings in the Product Manual supplied by the Proponent dated March 2014 This acceptance will cease if there is any change in the product design or specifications Only the Product Manual authorised by the Proponent shall be used in any marketing of the product Acceptance of the ABSORB 350 Plastic Terminal Temporary does not place any obligation on the Road Agency or its contra...

Page 27: ... Barrier terminology vsd Hazard Dynamic deflection Permanent deformation Safety barrier Working width vehicle roll allowance Working width Dynamic deflection System width Containment Tested vehicle weight Hazard free area Slope Hazard Edge line Direction of travel Safety Barrier Flare rate d 1 1 Flare Flare length d Design Terminology Deflection Terminology Flare Terminology Flare width a Point of...