Advanced Rigging Test Questions with Right Rationales Graded A+

  How long to apply for a HRWL - Answer: 60 days What happens if you don't renew with 24 months of expiry - Answer: The HRWL cannot be renewed What do you need to perform high risk work without a high risk work licence - Answer: Enrolled in a relevant HRWL at an RTO Work under direct supervision of a person with a relevant HRWL When doing high risk work, what legal duties does a licence holder have - Answer: Reasonable care for their own health and safety, and to ensure their acts and omissions do not negatively impact the health and safety of others What can happen if you fail to work safely - Answer: - Suspended licence - Cancelled licence What evidence do you need to provide to an employer - Answer: Show the employer a relevant HRWL tasks an advanced rigger can do (need 4) - Answer: All duties a intermediate rigger can do Gin pole Flying foxes Suspended and fabricated hung scaffold In the workplace you can obtain information from different people. What can you obtain from a site safety officer - Answer: Site safety officer 1) Site specific hazards 2) Site specific hazard controls 3) Site policies What info can you get from an engineer - Answer: An engineer 1) Plans/drawings 2) Local bearings What info can you get from a supervisor - Answer: A supervisor 1) Job scope 2) Local knowledge 3) Work arrangements 4) Other work crews Hierarchy of controls - Answer: Elimination Substitution Isolation Engineering controls Admin controls PPE Flying fox hazards - Answer: Power lines Structures Obstructions Pedestrians When do you check equipment - Answer: Before and after work, and every 6 months When do you apply risk control measures - Answer: Before starting work and as soon as a hazard is identified during operation Power line measurements - Answer: Insulated below 1,000v - 0.5m Uninsulated below 1,000v - 1m Overhead between 1,000v and 33,000v - 3m Overhead above 33,000v - 6m What do you have to do to work closer than the minimum safe distance - Answer: - Seek an exemption from the relevant authority - Have the power shut off, if this isn't possible, lines must be insulated by a competent/trained person. - Use a spotter Best way to find the voltage of a overhead power line - Answer: Contact the relevant local power authority What visual system is used for power lines - Answer: Tiger tails Who would you consult about ground stability - Answer: Civil engineer What should you communicate in an emergency - Answer: 1) That there is an emergency 2) Nature of the emergency 3) Unsafe areas Who would you communicate an emergency to - Answer: 1) Emergency services 2) Other workers on job front 3) Managers/supervisors 4) Safety officers Gin poles requires how many guy wires - Answer: 4 How many degrees is the maximum spread on sheer legs - Answer: 30 degrees The derrick and mast can revolve as one unit. How - Answer: A swivel to which guy wires are attached by means of a spider How should guys be positioned around a mast - Answer: Equally What extent can you lean gin or derrick poles be leant forwards - Answer: 1:10 What type rope are guy wires for a gin or derrick pole - Answer: 6/19 1570 grade Flying fox diagram - Answer: 1. Anchor wire 2. Side guy 3. Traverse rope 4. Hoist rope 5. Bottom block 6. Traverse rope 7. Side guy If poles are used at extreme ends of a flying fox, what is the max lean - Answer: 1 in 5 What is the max tension there can be on a main cable when under the max working load - Answer: One-sixth Fox block sheeves should be what diameter - Answer: 10x rope diameter Max sag in a span rope - Answer: 5% of the span Safety factor for a fswr or chain to support a hung scaff - Answer: 6 x capacity How do you estimate rated capacity of a hung scaff - Answer: Diameter squared x 7.5 A portable ladder must extend how high above a landing - Answer: 900mm What is needed to stop a trolley running over an edge - Answer: Through bolted stops What must be done to leave an incomplete hang scaff overnight - Answer: Isolate and remove access What document is presented when a hung scaff is complete - Answer: Handover certificate Who inspects hung scaff - Answer: Competent person Three types of suspended scaff - Answer: Boatswains chair Double rope Swinging stage What prevents overloading on hoist ropes on suspended scaff - Answer: Load limiting device What is on a data plate - Answer: Wll Manufacturer Type Serial number Hung scaff has an allowable slip of what - Answer: 3 degrees You must use correct wire on a climbing hoist why? - Answer: Could chew or sever the wire What is the minimum rated working load for a trolley - Answer: 500kg How much clearance between stabilising sheeves and the platform of a work cage - Answer: 2m Three ways a roof rig can be secured to a work cage - Answer: Through bolts Props Bracket bolts What counterweights can you use on needles - Answer: 25kg compliant-approved counterweights Counterweights should be fixed to a needle - how? - Answer: In such a manner that they can't be removed or displaced with a tool Max rope tension permitted when a shackle is being used to support a suspension rope - Answer: 80% of the WLL Max rope tension permitted when a choked sling is being used to support a suspension rope - Answer: 40% of the WLL Max setting of load limiting device - Answer: 1.25 x WLL How to prevent trolleys from spreading - Answer: Spacer tie How many full turns must remain on a drum type scaff hoist is fully wound out - Answer: 3 full turn What should be installed to protect people from debris above - Answer: Overhead protection The supporting structure for a scaff is subject to loading. Who assesses the intended loading - Answer: Engineer