OHSCER205A Operate a Excavator - (LE) Web pack… · · 2011-11-29Aus Loadshifting- 0416 15 5052...

Aus Loadshifting (ALS) Pty LtdDriver Training and Assessing ServicesACN: 151 349745ABN: 53 151 349745RTO:91544Ph:0416 15 5052Fax: 02 45 742938www.ausloadshifting.com.au

AUS -UOADSHIFTINGDriver Training and Assessing Services

OHSCER205A Operate a Excavator - (LE)

Parts of aHydraulic Excavator

Arm

Bucket

Cab

Shoe

Boom

.Engine/hydraulic pump

Counterweight

Track frame

Content of this booklet:

1. Summary Questions and example answers for the knowledge component2. Performance component3. Rule of thumb and practice formulas4. Revision questions

RTO 91544 22112011 of 1 LE 23

Aus Loadshifting- 0416 15 5052

Licence to operate an ExcavatorQuestions and Answers- Summary Student Information-

If you have RPL questions 1-23, 75-96 and 112-119

25 What must be provided on an excavator before it is used as a crane?A A manufacturer's approved lifting lug with SWL marked on the machine.B A manufacturer's approved lifting lug with SWL marked on the machine.B185

26 If a single wire in a sling was broken could you use the sling? Explainyour answer.

A Yes. You can use the wire rope sling provided that the one wire is not broken immediatelybelow or above a terminal or end fitting - then it cannot be used.

B Yes. You can use the wire rope sling provided that the one wire is not broken immediatelybelow a terminal.

PLAN WORK

Performance criteria 1.2.1 ( 9 including 4 with a star)

27 What underground services would you check for before starting to excavate?A Check for power, telephone, gas, water, sewer, drainage, and fibre optic cable lines.B Check for power, telephone, gas, water, sewer, drainage, and fibre optic cable lines.

28 Who should be contacted in order to find out the location of underground services?A The site supervisor who will contact the supply authorities for council maps of the site.B The site supervisor who will contact the supply authorities for council maps of the site,

supervisor

29 Name six hazards that must be checked on the work site beforeoperating the excavator?

A •Powerlines Trees, •Bridges, ^Overhead service lines* Surrounding buildings and structures•Obstructions* other equipment* Dangerous materials• Underground Service Gas, electricity, sewerage, water, Communication lines)•Personnel •Ground conditions/recently filled trenches

B •Powerlines Trees, -Bridges, -Overhead service lines -Surrounding buildings and structures•Obstructions -other equipment -Dangerous materials• Underground Service Gas, electricity, sewerage, water, Communication lines)•Personnel •Ground conditions/recently filled trenches •hazard chemicals

30 What is the minimum distance any part of the excavator is allowed to operate from:a) Distribution powerlines

A at least 2 metres from domestic powerlinesB at least 2 metres from domestic powerlines

b) High voltage transmission linesA at least 6 metres from high voltage transmission lines.B at least 6 metres from high voltage transmission lines.

NOTE: Assessors must ensure that the applicant is aware of State Authority regulations.

Page 4 of 20




31 What precautions should you take when cutting a trench across a footpath?A Obtain information from relevant authorities who may run services under the footpath

Excavate towards any underground services, slowlyProvide appropriate barricades and signs.

B Council Permit, Service Check, Barricades, Signs and lights

32 If using an excavator to lay pipes in a trench, what precautions should be taken?A An approved lifting lug must be used and the SWL must be marked on the machine.

Persons are to be cleared from the trench where the pipe is to be laid.B An approved lifting lug must be used and the SWL must be marked on the machine.

Persons are to be cleared from the trench where the pipe is to be laid.

33 What precautions would you take if a person were in a trench while

you are lowering pipe into the trench?

A Ensure the person is not under the load being lowered and is standing well clear of

either end of the pipe.

B Ensure the person is not under the load being lowered and is standing well clear of

either end of the pipe.

34 Name five (5) site hazards checks that you would make of the work area?A • Hidden holes -Drop offs -Embankment 'Overhead obstructions •Underground Services

•Overhead power lines -Telephone lines -Other obstructions that could be dangerous•Personnel -Plant and Equipment

B • Services -People -Pipes -pits -Trees -Traffic -Has chemicals

35 What is the danger of starting and running an internal combustion engine in anenclosed space?

A Exhaust fumes from the internal combustion engine in an enclosed space can kill.B Exhaust fumes from the internal combustion engine in an enclosed space can kill.

36 What action must be taken before starting up and whilst operating aninternal combustion engine in an enclosed space?

A The "enclosed space' must be adequately ventilated.B The "enclosed space' must be adequately ventilated.

37 What must be provided and maintained on the exhaust of an internalcombustion engine when operated in a confined space?

A An approved exhaust control unit, catalytic converter (scrubber).B An approved exhaust control unit, catalytic converter (scrubber).

Page 5 of 20




38 Why is it important to keep the floor plates free from oil, grease and tools?A To prevent the foot plates from becoming slippery and causing operator to slip

when mounting or dismounting To prevent the tools from fouling controls.B To prevent the foot plates from becoming slippery and causing operator to slip

when mounting or dismounting To prevent the tools from fouling controls.


39 What must be provided to prevent a person falling into a trench?

A Barricades, guardrails or fencing.

B Barricades, signs and lights

40 When should hearing protection (ear muffs) be worn?A When the noise level could contribute to the loss of hearing (e.g. above 85 dba).B When the noise level could contribute to the loss of hearing (e.g. above 85 dba).

41 When a danger exists on a site what should be posted or erected to warnpeople of the danger?

A Warning signs barricades, guardrails or fencing.B Warning signs barricades, guardrails or fencing.

42 When should an operator wear a safety helmet?A Where there is a possibility that the operator could be struck on the head.B Where there is a possibility that the operator could be struck on the head.

43 When would you be required to shore an excavation?

A When the excavation is greater than 1.5 metres in depth.

B When the excavation is greater than 1.5 metres in depth.Unsafe Ground

44 What is the minimum type of footwear that an operator should wear tooperate loadshifting equipment?

A Footwear that encloses the foot and has a non-slip sole.B Footwear that encloses the foot and has a non-slip sole.

45 Under what conditions can a passenger ride on a machine with the operator?A Only if a special seat and seat belt has been provided within the confines of the

machine for a passenger.B Approved seat and seat belt. Fitted inside machine.

Page 6 of 20




46 How do you calculate the cubic capacity of the bucket of an excavator?A L x W x Ht

2B Length x Width x Height

2

47 What are two conditions that would result in a trench shield or shoring been used?

A A trench into which a person is to enter which is 1.5 metres or more in depth &

where the soil is unstable or backfilled.

B A trench into which a person is to enter which is 1.5 metres or more in depth &

where the soil is unstable or backfilled.

48 You have to cut an excavation deeper than 1.5m. The workers have to enter thisexcavation and there is a likelihood that the walls may collapse.Using the excavator what could you do to make the excavation safe to enter?

A Bench, batter sides, drop in trench shields.B Bench, batter sides, drop in trench shields.

49 You have to load a truck with large boulders using your excavator.You are on the same level as the truck. What are the dangers?

A As you raise the bucket the boulders could tip out of the bucket onto the truck.B Boulder can hit truck

Performance criteria 1.2.3 ( 2 questions)

50 When travelling on a sloping surface which is the safest route of travel?A Directly up or down a sloping surface.B Directly up or down a sloping surface.

51 What gear should be selected to travel down a steep sloping surface?A The lowest possible gear.B Lowest possible gear

52 What hazards would you check for on a travel route before moving theexcavator to perform work?

A • Hidden holes -Drop offs -Embankments -Overhead obstructions -Underground services•Overhead power lines -Telephone Lines -Other obstructions that could be dangerous•Personnel -Plant equipment

B -People •Powerlines -Pits -Pipes -Trees -Traffic -Trenches -Services -hazard chemicals

53 To travel down or up a steep incline would you change gears on theincline or select the appropriate gear before travelling on the incline?

A Select the appropriate gear before travelling on the incline.B Select the appropriate gear before travelling on the incline.

Page 7 of 20




Performance criteria 1.2.4 ( 1 question)

54 What documentation would you be required to obtain from an authorised personto operate an excavator in a hazardous working area?

A The required hazardous work permits.B The required hazardous work permits.

55 What must you obtain before digging up a footpath with an excavator?A A permit from the relevant local government authority.B Council permit and service check


56 What attachment would you fit to an excavator to break up reinforced concrete?A Hydraulic hammer attachment.B Hydraulic hammer attachment.

57 When an excavator is used in a demolition process what must be provided on themachine to protect the operator?

A A falling object protective structure. (FOPS)B A falling object protective structure. (FOPS) and seat belt

58 Name four types of attachments that may be used on an excavator?A • Rock bucket • Excavator bucket -Hydraulic hammer, • Magnet attachment -Trench bucket

• Mower attachment -Approved lifting lug for slinging loads -Log grapple -Blade graderB • Rock bucket -Hydraulic hammer -Magnet attachment -Trench bucket

59 On a construction site who would you contact to confirm the job requirementsfor the work to be performed with the excavator?

A The person in charge on the site or other person authorised to confirm job requirements.B The site supervisor

60 How do you select the appropriate bucket to perform the excavation work?A Type of material to be excavated

Size of the excavation or trench to be considered.B Type of material to be excavated

Size of the excavation or trench to be considered.

Page 8 of 20




CHECK CONTROLS AND EQUIPMENT:Performance criteria 1.3.1 (9 including 2 with a star)

61 What action would you take if you noticed a bulge form in one of themachine hydraulic hoses?

A Stop operating, tag the machine and make sure the hose is replaced before themachine is used.

B Stop Tag report to Boss. Do not use until repaired

62 When should the operator carry out tests, checks and inspections on the ^excavator that is to be operated?

A Daily before use.B Daily before use.

63 Describe how you would safely mount/dismount an excavator. ^

A Facing the machine use the grab-rail or handrail and steps to mount/dismount the

machine (three points of contact)

B Face machine use three points of contact- use handrails

64 Where can the start up/shut down procedures for each excavator be found?A In the manufacturer's manual.B In operator manual

65 Before performing the work with an excavator, what should you do ifyou have not used the machine before?

A Read the operator's manual to familiarise yourself with the machine(e.g. controls and decal information).

B Get used to controls of the machine, Training by experienced person

66 On mounting the excavator what should you do before attempting to start the engine?A Make sure controls are in neutral or park and park brake is on.B Make sure controls are in neutral or park and park brake is on.

67 Once sitting in the operator's seat and before driving off, what should you dofor safety and comfort?

A Adjust seat until comfortable, adjust mirror (if applicable) and secure safety belt.B Adjust seat, mirrors and seat belt if fitted

68 What should be referred to for the correct start up and shut downprocedure for the equipment?

A Always refer to the manufacturer's operation manual for the correct procedure.B Operators manual

Page 9 of 20




69 Before moving off what should be done with grounded attachments?A Attachments should be raised to the correct travelling height or stowed.B Raised to a safe height- Clear of guard

70 Before reversing an excavator, what action should you take?A Look back over both shoulders to ensure the path of travel is clear. Sound horn twice

before moving unless there is a reversing/motion alarm fitted.B Look back over both shoulders sound horn twice unless fitted with Reverse Alarm,

check paths clear.

71 Your excavator has run out of diesel, you refill the tank but the motor will not start.What could be the possible cause?

A Air in the fuel system and the fuel system needs bleeding.B Air in the fuel system and the fuel system needs bleeding.

Performance criteria 1.3.2 (1 question) with a star.

72 What action would you take with damage and defects found on the machine? ^V

A Tag the machine, put it out of service and report the damage and defects

to the authorised person

B Tag report to boss. Do not use until repaired.

UNIT 2 - SHIFT LOAD: Performance criteria 2.1.1 ( 2 questions) with a star.

73 Why are you not allowed to hoist persons with the bucket of an excavator? ^V

A The manufacturer did not design the machine to hoist persons and it is against

all safe operating procedures.

B It was not designed to hoist people and is against safe operative procedures/regulations

74 Why are you not allowed to attached slings to the teeth of the bucket? ^V

A You may break off the teeth and/or the sling could slip off the teeth and cause the

load to fall, which may injure or kill someone or damage the load. It is against regulations

to sling loads using an excavator without the appropriately approved lifting connection

fitted

B Teeth may break off/Drop load kill someone. Against regulations. Use approved lifting lug.


75 You are required to operate an excavator on soft and uneven ground. What effect >*would this have on the load you could raise and carry with the excavator?

A It would reduce the weight of the load that could be safely carried.B Reduces the load that could be safely carried

Page 10 of 20




84 A four legged bridle sling arrangement is attached to a rigid load. How manyand which sling legs would be assumed to support the load?

A Two opposite diagonal slings must be capable of supporting the load.B Any two diagonally opposite slings

85 What effect does a choker hitch around a round load have on the SWLfor a wire rope sling?

A Reduces the SWL/WLL by 25 per cent or to 75 per cent of SWL/WLLB 25% Reduction in SWL

Rule of thumb formula ( 2 questions)

86 State the rule of thumb formula to calculate the SWL of wire rope.A Diameter in mm squared x 8 = SWL in kg.B Dmm x Dmm x 8 = SWL kgs

87 State the rule of thumb formula to calculate the diameter of the wirerope sling required to lift a specified load?

A Square root of load in kg/8 = Diameter mm.B Square root of load divided by 8 = mm

88 State the rule of thumb formula to calculate the SWL of a grade 80lifting chain?

A Diameter in mm squared x 32 = SWL in kg or Diameter in mm squared x 0.4 x grade = SWL in kg.B Dmm x Dmm x80 x .4 = SWL kgs

89 State the formula for calculating the WLL of grade 30 to grade 75 lifting chain?A Diameter in mm squared x 0.3 x grade of chain = SWL in kg.B Dmm x Dmm x G x 0.3 = SWL in kg

SWL of slings (select 4)

90 What is the SWL of a 12mm diameter wire rope sling?A 12mm x 12mm x 8fswr = 1152 kg.B 12 mm x 12 mm x 8 = 1152 kg

91 What is the diameter of a single leg wire rope sling that is required to hoist a2048 kg load

A Square root of (2048/8) = 16 mm.B Square root of 2048 divided by 8 = 16 mm

92 What is the SWL of flexible steel wire rope (FSWR)16mm in diameterA 16mm x 16mm x 8fswr = 2048 kg.B 16mm x 16mm x 8 = 2048kg

Page 12 of 20



If you have RPL questions l-23/ 75-96 and 112-119

93 When a sling is reeved around a square load how is the WLL/SWL altered?A Reduces SWL/WLL by 50%.B 50% reduction in SWL

94 What is the SWL of an 8mm diameter flexible steel wire rope(FSWR)?

A 8mm x 8mm x 8fswr = 512 kg.B 8 mm x 8mm x 8 = 512 kg

OptionsA 242 kg

800 kg2592kg

B 5.5mm -242 kg10mm - 800 kg18mm - 2592kg

95 What is the SWL of a 12mm mild steel chainA 12mm x 12mm x 30g x 0.3sf = 1296 kg.B 12 mm x 12mm x 30x0.3 = 1296 kg.

96 What is the SWL of a 7.1mm diameter 80-grade chain?A 7.1x7.1x32 = 1613.12 kg.B 7.1mm x 7.1mm x 80 x .4 =1613.12 kg

For variation of question 96 use:.8mm grade 80.10 mm grade 30.13mm grade 80Variation

A 2048 kg900 kg5408 kg

B 2048 kg900 kg5408 kg

Performance criteria 2.1.3 (12 including 6 with a star)

97 What is the danger of slewing with a load when the turntable is not level?

A The machine could overturn

B The machine could overturn

98 It permissible for loads to be slewed over the cabin of the truck been loaded?Explain your answer.

A No. The driver of the truck may be in the cabin and in the event of an accident thebucket could strike the cabin, or load could be dropped on the cabin.

B No. Driver may be in cabin. If the load falls it could strike the cabinPage 13 of 20




99 List three precautions that must be considered when dumping material into a truckusing an excavator?

A • The truck must be correctly positioned• No load must pass over the cabin of the truck• A layer of soil must be laid first to take the impact if large rocks are to be loaded• The loaded bucket must be within the SWL of the machine.

B • The truck must be correctly positioned• Don't load over cabin• A layer of soil must be laid first

100 What action should be taken if you discover a large rock in the side of a trenchthat you are digging?

A The Rock should be removedB Remove the rock immediately

101 How far must people be kept away from the excavator when it is digging?

A The operating radius of the machine.

B Outside operating radius of machine- in view of operator

102 Name two methods that should be used to prevent a cave in of a trench or excavation?

A Shoring, battering, benching or trench shields,

B Shoring, battering, benching

103 What would be the indications that you are excavating quiet close to an undergroundservice?

A Observe the spoil. The appearance of the following foreign materialsis an indication that the area has been previously excavated:• Crushed blue metal -Plastic tape 'Clean sand -Sand bags -Broken tiles -Moisture

Any other unusual materialB • Moisture -Crushed blue metal -Plastic tape -Clean sand

104 While excavating you suspect there could be an underground service in the area ofthe excavation, what action would you take?

A Stop operating immediately and hand dig to investigate further and check relevantstatutory authority maps and plans.

B Stop operating hand dig and check council maps

105 How high must the bucket be kept above the ground when driving forward?A Only high enough to provide ground clearance at all times.B High enough to clear obstacles

Page 14 of 20




106 The load you are going to lift is likely to swing how would you prevent

this from happening?

A Attach tag lines to the load.

B Attach tag lines to the load.

107 Before reversing a machine what precaution should be taken?

A Look back over both shoulders to ensure the path of travel is clear.

Sound horn twice before moving unless there is a reversing/motion alarm fitted.

B Look over both shoulders- sound horn twice unless fitted with a buzzer. Check pathway clear

108 When loading trucks using an excavator, where should the truck driver and other

observers be?

A All persons must be in view of the operator and at a safe distance from the loading operation.

B In view of the operator and a safes distances from Loading operations

109 What is the minimum diameter size tag that can be used to control loads?

A Not less then 16 mm diameter

B 16mm

110 How are vehicles/machines stopped from coming too close to an excavation?

A By using barricades and warning signs.

B By barricades and warning signs lights

111 What are the dangers of driving your excavator close to the edge of an excavation?

A The excavation could collapse causing the excavator to overturn or to fall into the excavation.

B The excavation could collapse. Tip machine over


112 Interpret the following Signal

A Stop

B Stop


A Boom Down

B Boom Down

Page 15 of 20





A Boom up

B Boom up


A Slew Right

B Slew Right


A Slew Left

B Slew Left


A Retract boom

B Retract boom


A Extend boom

B Extend boom


A Travel and traverse

B Travel and traverse

Performance criteria 2.1.6 ( 1 question) with a star.

120 How far away from an excavation must material be dumped? ^

A Not closer than 1 metre with material coming to rest no closer than 0.5 metres

from the excavation.

B At least 1 metre not falling within 0.5 metres from excavation


121 How would you dismount a machine that contacted live power lines, which could ^

not be released, or the power turned off?

A Jump well clear of machine ensuring contact with the ground and machine is not

at the same time.

B Jump well clear without contacting the ground and machine at same time

Page 16 of 20




122 If the slings shifted on a load been hoisted, what action would you take?

A Carefully lower the load to the ground and have the slings re-positioned and secured.

B Lower load to ground re-position slings

123 If you accidentally damaged an underground electrical cable, whom would

you immediately contact to render the power supply safe?

A Supervisor who would contact the electrical supply authority.

B Supervisor and Electrical supplier

124 The excavator you are operating overheats and needs to be checked for coolant

level. What precautions would you take prior to removing the radiator cap and

topping up the coolant?

A Allow the machine to cool down, use a cloth to protect from hot water burns and remove the

radiator cap slowly.

B Allow machine to cool down, remove cap slowly protect yourself from burns

125 If you are operating an excavator and it makes contact with powerlines what should you

do?

A • Stay calm, remain in seat, warn others to keep away, try to break contact by I

lowering bucket (if possible), try and get someone to switch off the power

• If it is unsafe to remain on the machine -jump well clear of the machine,,don't make contact with the ground and the machine at the same time.If you have made contact with underground power cables, be aware the area aroundthe machine could be electrified.• Remain a safe distance from the machine and warn others to keep clear.

Have someone notify the site manager/supervisor who should report immediately

to the appropriate authority.

B -Stay calm ,trys ar'�t%�à power

id pow•@rdf pow•so shoulr pow• shourt electpty 1uthorityyt electricay s h o u B edadeew ow•@ slowined e9




UNIT 3 - SHUT DOWN EQUIPMENT Performance criteria 3.1.1 (3 questions)

126 Name three areas where you would not park the excavator

A Access ways, near overhangs, refuelling sites, tidal or flood areas, adjacent to an excavation.

B Access ways, refuelling sites, flood areas, near excavation

127 When leaving the excavator what should be done with all hydraulically

raised attachments?

A Attachments should be lowered with the cutting edge flat on ground and pressure

removed from hydraulic lines.

B Lower all attachments to ground- release hydraulic pressure

128 What type of surface is the ideal type to park an excavator on?

A A firm level surface.

B Firm level

129 What is the danger of parking near an excavation?

A The weight of the excavator could cause the excavation to cave in, particularly

if the ground is effected by rain.

B Excavation could cause a cave-in an, tip machine over

130 Describe the correct way to park an excavator.

A Park on level ground, apply park brake or place in park, lower bucket to ground.

with cutting blade resting on the ground, turn off machine

B Park on level ground apply brakes. Lower all attachments, remove key cutting edge flat

Performance criteria 3.1.3 (1 question)

131 What post-operational checks of an excavator should the operator carry out?

A Check the machine and equipment for defects and wear. Check the oil, fuel and water levels.

B Check for defects, check oil fuel and water levels.

Page 18 of 20




SECURE SITE: Performance criteria 3.2.1 ( 2 questions)

132 What shall be provided when an excavator has to be parked on or protrudes on to an

access way?

A Barricades, Lights and signs

B Barricades, Lights and signs

133 For what reason should the key be removed from ignition of the machine?

A To prevent unauthorised movement

B To stop unauthorised use

134 Before leaving the site what must be provided to restrict access to the site?

A Barricades or fences,

B Barricades, lights and signs

135 List eight things that must be done when parking the machine?

A • Parked away from access ways

• Overhangs

• Fuelling site

• Parked away from excavations and trenches

• Parked clear of fire hazardards

• Parked clear of entrances, exits

• Parked away from fire fighting and electrical equipment

• Parked on firm level ground or if on an incline facing up the slope

• Lower bucket with cutting edge on ground

• Engine stopped in accordance with manufacturer's operation manual

(idle engine before turning off)

• Secure parking brake or leave in park position

• Remove keys.

B • Park away from access ways

• Fuel sites

• Excavations

• Trenches

• Fire hazards

• Overhangs

• Exits

• Electrical equipment Page 19 of 20




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Page 20 of 20

Formative Assessment for RTO 91544

Loadshifting Equipment^x i i

OHSCER205A - Operate a Excavator(LE)

Part 1Performance Assessment

RTO 91544_02112011 Page 1 of 7 LE 24

Unit 1: Conducted Routine Checks

1. Conduct routine checks on excavator(demonstrated at least 7 elements)

Q Complete walk around machine

Q Load chart

L) Check underneath machine for any water or oil leaks

Q Tyre condition and pressure or track condition / tension

Q Fuel

Q Oil levels in slew motor (if applicable)

[_) Engine oil 1—I hydraulic oil level Q coolant

Q Air pre-cleaner Q air filter / indicator

Q Battery Security, water level and cleanliness

2. Visual checks of structure/ attachment for defects >*(demonstrated at least 6 elements)

Q Attachments for condition, damage and security

Q Quick hitch attachment/ safety locking device

Q Falling objects protective structure (FOPS)

01 Roll-over protective structure (ROPS)

Q Any loose nuts, bolts and couplings Q structure damage

Q Bucket for any damage, missing, worn or loose teeth

[_) Cutting blades Q Check grease fittings and grease pins

Q hoses, fitting and hydraulic rams for oil leaks

Q Connections for security of pins or keeper plates

RTO 91544_02112011 Page 2 of 7 LE_24

3. Checks other equipment for defects >*(demonstrated at least 4 elements)

Q Approved lifting lug Q wire slings Q chain slings

D Synthetic slings Q Shackles Q other lifting gear

Plan Work and Check Equipment

4. Inspect site and plan work: All hazards are identified whereApplicable (demonstrated at least 8 elements)

Q Powerlines L-l trees Q overhead services

Q Bridges Q obstructions Q personnel in the area

Ll Surrounding buildings Q dangerous materials

Q Other equipment in the area Q recently filled trenches

Q Underground services

5. Conducts pre-operational start-up checks in accordance withmanufacturer's specifications/ operating manual :(demonstrated at least 10 elements)

Q Window clean Q mounts correctly Q adjust seat

Q Fasten seat belt Q park brake on Q gauges

Q Transmission in neutral Q start engine 01 check steering

O Movement attachments Q clear for travel

Q Warning devices/ warning light / horn Q Foot brake moving forward and reverse

Q Parking brake moving forward and reverse

RTO 91544_02112011 Page 3 of 7 LE_24

6. Plans route and controls hazards: All hazards are identified >*and controlled (demonstrated at least 2 elements)

Q For loads being moved

Q Traffic control considered

Q Appropriate PPE for the job and site requirements: e.g Steel cap shoes,high visible clothing and hard hat

Unit 2: Shift Load

7. Fits appropriate equipment for the task: >*(demonstrated at least 3 elements)

Q Suitable tools used Q change buckets Q secures catches

Q Correct procedure adopted C_l work safely

8. Drives to the work area : (demonstrated at least 4 elements) >*

Q Select correct controls Q raises attachments smoothly

Q Ensures travel direction clear of personnel and obstacles

Q Travels at safe speed

Q Carries bucket at safe travelling height and crowed back

RTO 91544_02112011 Page 4 of 7 LE_24

9. Operates Excavator: Sets up excavator and excavates(demonstrated at least 20 elements)

Applies brake ensures turntable is reasonably level

Checks control movements smoothly operates controls

Completes task in logical sequence t— I Moves load safely

Crowds bucket to fill

Competently shift material

C_l Ensure direction of slew is clear

Cuts trench to specifications

Demonstrates excavation around a pipe

Minimises spillage and ground damage

picks up material

equipment operated at a safe speed

Uses appropriate path of travel

Moves load safely

ensures direction of travel clear

smoothly raises and dumps load

Has the truck positioned for easy loading Loads placed to ensure stability

Approaches truck (or trench) correctly maintains stockpile and working surface

[_] Repositions bucket ready for reload Q lowers load to designated location

L_l Personnel and plant clear of operating radius / area

Q Deposits material the required distance from excavation

10. Identifies the following signals:(demonstrated at least 6 elements)

Stop - hand

Slew right- hand

boom up - hand

Q Slew left - hand

Ql boom down - hand

travel and traverse

RTO 91544 02112011 Page 5 of 7 LE 24

11. Consolidates and levels surface(demonstrated at least 3 elements)

D Consolidates fill with excavator Q levels surface with bucket blade

LI Excess fill for natural compaction Q maintain level surface to work from

Unit 3: Shuts Down Equipment and Secures Site:

12. Shuts down equipment and secures site: ^(demonstrated at least 7 elements)

Q Parks equipment in a suitable location away from danger areas

Q Attachments lowered to the ground Q teeth/ cutting edge of bucket on ground

D Neutralises controls Q applies parking brake

Q Idles down, shuts down and locks ignition Q moves controls to release pressure

(—1 Applies safety lock Q dismounts correctly Q Removes the key

RTO 91544_02112011 Page 6 of 7 LE_24

Formative assessment summary-These are the results you will need to be deemed

competent:

Knowledge AssessmentOperationalArea Unit

1

2

3

Number ofCritical

questionsrequired16 (RPL 4)

12(1)

0

Number ofCritical

achieved

Number ofnon-criticalRequired

21 (RPL 8)

18 (RPL 15)

5 (RPL 0)

Number ofnon-criticalachieved

UnitCompetentNot yet competent

1 2 3

Performance AssessmentOperationalArea Unit

1

2

3

Numberrequired

5

6

1

Number achieved

UnitCompetentNot yet competent

1 2 3

RTO 91544 02112011 Page 7 of 7 LE 24

2 • ' - - ; AUS -LOADSH1FTING

Phone: 0416 15 5052WWW.ausloadshifting.com.au

Index:SWL = Safe Working Load KG= KilogramsD = Diameter MM= MillimetresG = Grade FSWR = Flexible steel wire ropeSF = Safety Factor

Rope: Dmm x Dmm = SWL kg

FSWR: Dmm x Dmm x 8 = SWL kg

Chain: Dmm x Dmm x G x SF = SWL kg

CodesLMPS

TV

Grade30 1

40 L .350 f60-75 J

80 1100 j 4

(8 = factor)

(G x SF = factor)

Sling Dmm needed for specific load

(Loader backhoe is in tonnes)Load (kg) -=- F = Dmm

E.g

FSWR V Load (kg) -r 8 = DMM ChainV Load (kg) -=- (G x SF) = DMM

Example to lift 2048 kg with FSWR 2048kg -=- 8 = 256 V = 16mm

Example to lift 2048 kg with 80 grade chain 2048kg -=- 32= 64 J~^ 8mm

(80 x .4 = 32)( G x SF)

RTO 91544_22112011 Page 1 of 1 Gen_06

Trading under the RTO banner of- 91544OHSCER205A Operate an Excavator

Formulas- Student Revision

Student Name:

FSWR SWL KGRule of thumb formula:

10mm

8mm

6mm

12mm

16mm

20mm

22mm

Chain SWL KGRule of thumb formula:

10mm80q

12mm60g

8mm30-60g

16mm80g

8mm80g

12mm80g

RTO_91544_formulas revision 16092011 Page 1 of 2 Gen 07

Trading under the RTO banner of- 91544OHSCER205A Operate an Excavator

Formulas- Student Revision

FSWR Diameter NeededRule of thumb formula:

2048 kg

5000 kg

4500 kg

3500 kg

4.5 tonne

3.2 tonne

RTO_91544_formulas revision 16092011 Page 2 of 2 Gen 07

Trading under the RTO banner of -91544OHSCER205A Operate an Excavator

Revision All questions- Student

Rpl questions 1 to 23, 75 to 96 and 112 to 119

Name: Date:

CHECKS.Performance criteria 1.1.1 (12 including 4 with a star)

1 What precautions must be taken when inspecting under a raised attachment?

Name three defects to look for when inspecting the hydraulic system.

When should slings be inspected?

What % wear in a shackle would cause it to be discarded?

What action should you take with tracks that are loose?

How would you know when the machine that you are operating should be serviced?

Why are you not permitted to join a chain sling with a bolt?

RTO_91544_revision all questions 16092011 Page 1 of 23 LE 11



What percentage of broken wires within a rope lay or eight diameters of a wirerope sling would cause it to be discarded?

List six defects that would condemn a flexible steel wire rope (FSWR)from safe use?

10 List six defects that would condemn a lifting chain and hook from safe use?

11 What must you do if the SWL tag is missing from the chain sling?

12 How do you fill machine tyres with water ballast?

13 What defects would you look for when carrying out the external checkon the bucket of an excavator?

RTO_91544_revision all questions 16092011 Page 2 of 23 LE_11



14 What defects would you look for on the hydraulic rams and hydraulicpressure hoses?

15 When would you check the excavator transmission fluid?

16 What checks would you conduct on the tracks of an excavator?

17 How would you check the tension on the tracks of an excavator?

18 What is the minimum and the maximum track sag allowable?

19 How would you find out the correct track sag or tension for a specific machine?

20 What effect would a hydraulic leak in the quick hitch line have on thesecurity of the bucket on an excavator?




21 What would you look for on an attachment to ensure it will not fall off?

22 What action would you take if during the routine check you found excessive wearin the power arms and connections that made the excavator dangerous to operate?

23 What would you do if a strand were broken in a flexible steel wire sling?


24 What must be done to a lowered bucket before travelling on a road?

25 What must be provided on an excavator before it is used as a crane?

26 If a single wire in a sling was broken could you use the sling? Explainyour answer. ^^^^^^^




PLAN WORKPerformance criteria 1.2.1 ( 9 including 4 with a star)

27 What underground services would you check for before starting to excavate?

28 Who should be contacted in order to find out the location of underground services?

29 Name six hazards that must be checked on the work site beforeoperating the excavator?

30 What is the minimum distance any part of the excavator is allowed to operate from:a) Distribution powerlines

b) High voltage transmission lines

NOTE: Assessors must ensure that the applicant is aware of State Authority regulations.

31 What precautions should you take when cutting a trench across a footpath?




32 If using an excavator to lay pipes in a trench, what precautions should be taken?

33 What precautions would you take if a person were in a trench whileyou are lowering pipe into the trench?

34 Name five (5) site hazards checks that you would make of the work area?

35 What is the danger of starting and running an internal combustion engine in anenclosed space?

36 What action must be taken before starting up and whilst operating aninternal combustion engine in an enclosed space?

37 What must be provided and maintained on the exhaust of an internalcombustion engine when operated in a confined space?




38 Why is it important to keep the floor plates free from oil, grease and tools?


39 What must be provided to prevent a person falling into a trench?

40 When should hearing protection (ear muffs) be worn?

41 When a danger exists on a site what should be posted or erected to warnpeople of the danger?

42 When should an operator wear a safety helmet?

43 When would you be required to shore an excavation?

44 What is the minimum type of footwear that an operator should wear tooperate loadshifting equipment?



Revision AM questions- Student

45 Under what conditions can a passenger ride on a machine with the operator?

46 How do you calculate the cubic capacity of the bucket of an excavator?

47 What are two conditions that would result in a trench shield or shoring been used?

48 You have to cut an excavation deeper than 1.5m. The workers have to enter thisexcavation and there is a likelihood that the walls may collapse.Using the excavator what could you do to make the excavation safe to enter?

49 You have to load a truck with large boulders using your excavator.You are on the same level as the truck. What are the dangers?


50 When travelling on a sloping surface which is the safest route of travel?




51 What gear should be selected to travel down a steep sloping surface?

52 What hazards would you check for on a travel route before moving theexcavator to perform work?

53 To travel down or up a steep incline would you change gears on theincline or select the appropriate gear before travelling on the incline?

Performance criteria 1.2.4 ( 1 question)

54 What documentation would you be required to obtain from an authorised personto operate an excavator in a hazardous working area?

55 What must you obtain before digging up a footpath with an excavator?


56 What attachment would you fit to an excavator to break up reinforced concrete?




57 When an excavator is used in a demolition process what must be provided on themachine to protect the operator?

58 Name four types of attachments that may be used on an excavator?

59 On a construction site who would you contact to confirm the job requirementsfor the work to be performed with the excavator?

60 How do you select the appropriate bucket to perform the excavation work?

CHECK CONTROLS AND EQUIPMENT:Performance criteria 1.3.1 (9 including 2 with a star)

61 What action would you take if you noticed a bulge form in one of themachine hydraulic hoses?

62 When should the operator carry out tests, checks and inspections on theexcavator that is to be operated?




63 Describe how you would safely mount/dismount an excavator.

64 Where can the start up/shut down procedures for each excavator be found?

65 Before performing the work with an excavator, what should you do ifyou have not used the machine before?

66 On mounting the excavator what should you do before attempting to start the engine?

67 Once sitting in the operator's seat and before driving off, what should you dofor safety and comfort?

68 What should be referred to for the correct start up and shut downprocedure for the equipment?

69 Before moving off what should be done with grounded attachments?




70 Before reversing an excavator, what action should you take?

71 Your excavator has run out of diesel, you refill the tank but the motor will not start.What could be the possible cause?


72 What action would you take with damage and defects found on the machine?

UNIT 2 - SHIFT LOAD: Performance criteria 2.1.1 ( 2 questions) with a star.

73 Why are you not allowed to hoist persons with the bucket of an excavator?

74 Why are you not allowed to attached slings to the teeth of the bucket?


75 You are required to operate an excavator on soft and uneven ground. What effectwould this have on the load you could raise and carry with the excavator?




76 How would you establish the load that can be safely lifted by an excavator?

77 What must be provided on an excavator to attach slings so thatthe excavator may be used as a crane?

Load Charts ( 1 question)

78 From excavator load chart "Appendix A" what is the SWL to be hoisted overthe side at a radius of 3.0 metre and at a hook height of 3.0 metres?

79 From excavator load chart "Appendix A" what is the SWL to be hoisted overthe side at a radius of 6.1 metre and at a hook height of (minus) - 3.0 metres?

Weight of materials ( 2 questions)

80 List two ways that you would assess the weight of a load to be hoisted?

81 What is the approximate weight of cubic metre of concrete?




82 Of topsoil or clay which is harder to excavate, push and spread?

Load factors (2 questions)

83 What effect does a choker hitch around a square load have on the SWL for the sling?

84 A four legged bridle sling arrangement is attached to a rigid load. How manyand which sling legs would be assumed to support the load?

85 What effect does a choker hitch around a round load have on the SWLfor a wire rope sling?

Rule of thumb formula ( 2 questions)

86 State the rule of thumb formula to calculate the SWL of wire rope.

87 State the rule of thumb formula to calculate the diameter of the wirerope sling required to lift a specified load?




88 State the rule of thumb formula to calculate the SWL of a grade 80lifting chain?

89 State the formula for calculating the WLL of grade 30 to grade 75 lifting chain?

SWL of slings (select 4)

90 What is the SWL of a 12mm diameter wire rope sling?

91 What is the diameter of a single leg wire rope sling that is required to hoist a2048 kg load

92 What is the SWL of flexible steel wire rope (FSWR)16mm in diameter

93 When a sling is reeved around a square load how is the WLL/SWL altered?




94 What is the SWL of an 8mm diameter flexible steel wire rope(FSWR)?

95 What is the SWL of a 12mm mild steel chain

96 What is the SWL of a 7.1mm diameter 80-grade chain?

Performance criteria 2.1.3 (12 including 6 with a star)

97 What is the danger of slewing with a load when the turntable is not level?

98 It permissible for loads to be slewed over the cabin of the truck been loaded?Explain your answer.




99 List three precautions that must be considered when dumping material into a truckusing an excavator?

100 What action should be taken if you discover a large rock in the side of a trenchthat you are digging?

101 How far must people be kept away from the excavator when it is digging?

102 Name two methods that should be used to prevent a cave in of a trench orexcavation?

103 What would be the indications that you are excavating quiet close to an undergroundservice?

104 While excavating you suspect there could be an underground service in the area ofthe excavation, what action would you take?


Trading under the RTO banner of-91544OHSCER205A Operate an Excavator


105 How high must the bucket be kept above the ground when driving forward?

106 The load you are going to lift is likely to swing how would you preventthis from happening?

107 Before reversing a machine what precaution should be taken?

108 When loading trucks using an excavator, where should the truck driver and otherobservers be?

109 What is the minimum diameter size tag that can be used to control loads?

110 How are vehicles/machines stopped from coming too close to an excavation?

111 What are the dangers of driving your excavator close to the edge of an excavation?














120 How far away from an excavation must material be dumped?


121 How would you dismount a machine that contacted live power lines, which couldnot be released, or the power turned off?

RTO_91544_revision all questions 16092011 Page 19 of 23 IE 11



122 If the slings shifted on a load been hoisted, what action would you take?

123 If you accidentally damaged an underground electrical cable, whom wouldyou immediately contact to render the power supply safe?

124 The excavator you are operating overheats and needs to be checked for coolantlevel. What precautions would you take prior to removing the radiator cap andtopping up the coolant?

125 If you are operating an excavator and it makes contact with powerlines what shouldyou do?

UNIT 3 - SHUT DOWN EQUIPMENT Performance criteria 3.1.1 (3 questions)

126 Name three areas where you would not park the excavator




127 When leaving the excavator what should be done with all hydraulicallyraised attachments?

128 What type of surface is the ideal type to park an excavator on?

129 What is the danger of parking near an excavation?

130 Describe the correct way to park an excavator.

Performance criteria 3.1.3 (1 question)

131 What post-operational checks of an excavator should the operator carry out?

SECURE SITE: Performance criteria 3.2.1 ( 2 questions)

132 What shall be provided when an excavator has to be parked on or protrudes on to anaccess way?

133 For what reason should the key be removed from ignition of the machine?




134 Before leaving the site what must be provided to restrict access to the site?

135 List eight things that must be done when parking the machine?




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OHSCER205A Operate a Excavator - (LE) Web pack… · · 2011-11-29Aus Loadshifting- 0416 15 5052...

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