Highway Care HighwayGuard LDS Скачать руководство пользователя страница 21

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03/19

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Risk Assessments

Hazard

Scenario

Precautions to minimise the

risk

Method

Injury to

head

Loading and unloading barrier

Manoeuvring barrier

Installing barrier

Use of PPE (hard hats)

Competent crane

operator/banksman

Operative to be vigilant

Instruction

Training
Training

Injury to

hands

Loading and unloading barrier

Manoeuvring barrier

Installing barrier

Use of PPE (gloves) & correct tools

Competent crane

operator/banksman

Operative to be vigilant

Instruction

Training
Training
Training

Injury to feet

Loading and unloading barrier

Manoeuvring barrier

Installing barrier

Use of PPE (safety boots)

Competent crane

operator/banksman

Operative to be vigilant

Instruction

Training
Training

Load slipping

from crane

Loading and unloading barrier

Manoeuvring barrier

Use certified approved slings/lift

equipment

Competent operative

Inspection

Training

Uncontrolled

Load

Loading and unloading barrier

Manoeuvring Barrie

Use correct tag rope

Competent operators

Establish correct safety zones

Training
Training
Training

Slinger falling

from

vehicle/load

Loading and unloading barrier

Manoeuvring barrier

Installing barrier

Safe access and egress to vehicle

and load

Operative to be vigilant

Training
Training

Injury from

site traffic

Loading and unloading barrier

Manoeuvring barrier

Installing barrier

Correct site management

procedures

Operatives to be vigilant

Training
Training

Injury from

traffic

Loading and unloading barrier

Manoeuvring barrier

Installing barrier

Correct traffic management

procedures

Operatives to be vigilant

Training
Training

Содержание HighwayGuard LDS

Страница 2: ...oduction 4 System Components 5 Design Considerations 6 Delineation 6 Drainage 6 Pavement Types 6 Install Lengths 6 Curves 7 Deflection Clear Zone 8 Crash Cushions Other Connections 8 Modifications 8 Crash Testing Performance Levels 9 Installation 10 Planning 10 Tools List 10 Lifting points 11 Loading Unloading 12 Connection 13 Anchoring 14 Barrier Removal 15 Special Operations 16 Creating Access G...

Страница 3: ...9 2019 Highway Care Limited All Rights Reserved Page 3 23_ Pavement 17 Maintenance and Repair 17 Permanent Applications 18 Appendix 18 Frequently Asked Questions 18 Photo Examples 20 Risk Assessments 21 Installation Checklist Example 23 ...

Страница 4: ...the unique T Connector provides quicker installation removal and separation of barrier sections It also offers the ability to remove sections within a run to create access gaps replace damaged sections or alter barrier runs HighwayGuard is an anchored steel safety barrier that can be used in temporary and permanent applications Containment Level Weight Standard Barrier Length MASH TL 3 99Kg per Me...

Страница 5: ... 5 23_ System Components 6m Barrier End Cap 552kg 27kg Standard T Connector 2 5 Degrees T Connector 5 Degrees T Connector 10 Degrees T Connector 43kg 60kg 60kg 60kg Wheelsets 2 5 Degrees Barrier 5 Degrees Barrier 10 Degrees Barrier 21kg 133kg 134kg 136kg Note Weights are approximate only ...

Страница 6: ...inage HighwayGuard has a 10mm drainage gap underneath the barrier Additional drainage provision is provided at anchor points The water drainage per 12m section is approximately 1 15sqm Pavement Types HighwayGuard has been tested installed on asphalt pavement that is 150mm asphalt concrete over a granular subbase Alternative ground conditions may be acceptable but could require different anchor sol...

Страница 7: ...ns Example horizontal curves Method Description Approximate Radius m 1 6m Barrier Section with Standard T Connections at maximum angle 177 2 6m Barrier Section with 2 5 T Connection 140 3 6m Barrier Section with 5 T Connection 70 4 6m Barrier Section with 10 T Connection 35 5 6m Barrier Section with 10 Barrier Section and Standard T Connection 41 6 10 Barrier Section with Standard T Connection 6 6...

Страница 8: ...h cushions should be used when impact to either the approach or departure end of a run of HighwayGuard may occur Current Crash cushions Connections available Highway Care BG800 Transition MASH Crash tested QuadGuard CZ NCHRP 350 Engineered Tau II NCHRP 350 Engineered An engineered connection is one that has been designed and jointly agreed by Highway Care and the crash cushion developer as accepta...

Страница 9: ...st Reference Vehicle Type Impact Speed km h Impact Angle Vehicle Mass kg MASH TL 3 3 10 Light Car 100 25 1100 3 11 Pickup 100 25 2270 3 21 Pickup 100 25 2270 TL 4 4 10 Light Car 100 25 1100 4 11 Pickup 100 25 2270 4 12 Truck 90 15 10000 System Type Anchor Interval m Test Standard Performance Level Dynamic Deflection m Working Width m HighwayGuard Lowest Deflection System LDS 121 MASH 16 TL 3 0 68 ...

Страница 10: ...le Installation site risks identified e g overhead cables bridges tunnels drilling limitations Traffic management measures in place to ensure appropriate and safe working space Tools List T ool C onsumable Information T Magnetic T Bar Socket For inserting and removing the T Connector security nut T Drilling Equipment Electric or air driven rock drill Suggested drill bits are 28mm M24 resin anchors...

Страница 11: ...ints allowing hooks to attach marked in green below When two 6m sections are bolted together they can be lifted as a single 12m piece using the lifting points either side of the central T Connection Lifting Equipment Information Mechanical Pneumatic Lifting Device Such as a lorry mounted crane or wheeled excavator It must have suitable lifting capacity and reach to install HighwayGuard Lifting Cha...

Страница 12: ... to transport movements HighwayGuard can be inverted to maximise the length of barrier per load Check local regulations for potential weight transport restrictions 144m Upright 252m Inverted When loading with the T Connection attached to barrier sections position these so that they will match the orientation of the install to avoid turning barrier round on site Typically they will be at the rear o...

Страница 13: ...ched to the end of the barrier that is being joined to the run of barrier Ensure orientation of T Connector allows alignment pins to be lowered onto next section Caution Ensure all barrier sections being lifted have a tag line attached Joining barrier sections presents a crush risk ensure operator has clear view and communication ability when barriers are being aligned and connected ...

Страница 14: ... spaced every 12m but staggered over the T Connection Crash cushions or connections transitions should be used when impact to either the approach or departure end of a run of HighwayGuard may occur Currently accepted are Highway Care BG800 Barrier Transition MASH Crash tested See drawing HG 70 03 for anchor arrangement for this transition QuadGuard CZ Crash Cushion NCHRP 350 Engineered Tau II Cras...

Страница 15: ...tion process Namely Unbolt from the ground Remove security nut from the side of the T connector you wish to sperate Lift barrier section and T connector from adjoining If the section of barrier being removed lifts the next section place a 50mm high block under the foot of the section being removed next to the joint to be separated and lower the barrier It will then separate ...

Страница 16: ...0 03 19 2019 Highway Care Limited All Rights Reserved Page 16 23_ Special Operations Creating Access Gap Lift out individual sections by disconnecting the T Connection and removing the security nut The section can now be lifted out ...

Страница 17: ...ys ensure the resin manufacturer s installation application instructions are adhered to HighwayGuard LDS system was tested on an asphalt pavement anchored to the ground with threaded rod set with a chemical resin based on trials conducted at the test facility it is recommended that the resin anchor is able to withstand a pull out force of 95kN Alternative ground conditions may be acceptable but mi...

Страница 18: ...rd require anchoring HighwayGuard is an anchored system and must always be anchored as a minimum with 6 anchors at the start and end of the barrier run if not connecting into BG800 when connecting to BG800 refer to drawing HG 70 03 for anchor arrangement Intermediate anchoring may also be required and the frequency for the LDS system is every 12m 5 On average how long does it take to install Highw...

Страница 19: ...h the increased anchor intervals at 12m spacing deflection is reduced Refer to crash test deflection results and it may be appropriate to risk assess the deflection figure using the calculated deflection tables in this manual 12 I want to install HighwayGuard on a bridge deck is this possible HighwayGuard can be installed on bridge decks in both permanent and temporary situations Depending on the ...

Страница 21: ...man Operative to be vigilant Instruction Training Training Load slipping from crane Loading and unloading barrier Manoeuvring barrier Use certified approved slings lift equipment Competent operative Inspection Training Uncontrolled Load Loading and unloading barrier Manoeuvring Barrie Use correct tag rope Competent operators Establish correct safety zones Training Training Training Slinger falling...

Страница 22: ...ound apparatus Inspect drill drill bit Training Injury to eyes Use of PPE goggles Training Injury to ears Use of PPE ear defenders Training Dust inhalation Use of PPE dusk mask Training Injury to skin from chemical anchor resin Use of PPE gloves Training Injury from traffic Correct traffic management procedures followed and operatives to be vigilant Training Hazard Precautions to minimise the risk...

Страница 23: ...No Are the anchors selected suitable for the pavement condition Yes N A No Are all the components available Yes N A No Are any crash cushions installed correctly Yes N A No Are the start and end of the barrier run installed correctly with all 6 anchors installed Yes N A No Are all the QuickLink security nuts installed Yes N A No Has any intermediate anchoring been used If so note the spacing here_...

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