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  • OHS Certificates of CompetencyNational Assessment Instrument

    CranesWritten

    August 2000

  • August 2000

    (Revision 1)

    OHS Certificates of CompetencyNational Assessment Instrument

    Written Assessmentfor Cranes

  • NB: This document must be used in conjunction with the specific craneassessment instruments listed below:

    National OHS Certification Standard

    Cranes and Hoists

    Tower Cranes, Derrick Cranes,Portal Boom Cranes,

    Bridge and Gantry CranesVehicle Loading Cranes,

    Non-Slewing Mobile Cranes andSlewing Mobile Cranes

    (Up to 20 tonnes, Up to 60 tonnes,Up to 100 tonnes and

    Over 100 tonnes)

    Written Assessment for Cranes

    AUGUST 2000

    Assessor should refer to clauses 6.7 and 7.9 of the Assessment Guidelines for NationalOccupational Health and Safety Certification Standard for Users and Operators of Industrial

    Equipment.

  • Contents

    Page

    Assessor Guidelines General 1

    Assessor Guidelines Specific 3

    Oral/Written Assessment 5

    Section A: Slings (chain, wire rope, fibre rope, synthetic slings 5

    Section B: Sheaves and Drums 8

    Section C: Rope Terminations, Anchors and Attachments 10

    Section D: Operational Manual 13

    Section E: Load Assessment 15

    Section F: Crane Load Charts 17

    Tower Cranes 17Derrick and Portal Boom Cranes 18Bridge and Gantry Crane 19Vehicle Loading Crane 19Non-Slewing and Mobile Cranes 20

    Answers to Written Questions 32

    Relationship to National Certification Standard 45

    Assessment Summary 46

  • Written Assessment -Guidelines General August 2000 1

    ASSESSOR GUIDELINES-GENERAL

    1 Introduction

    1.1 ScopeThese general guidelines apply to all theassessment instruments for thecertificates of competency prescribed bySchedule B of the National OccupationalHealth and Safety Certification Standardfor Users and Operators of IndustrialEquipment. (NOHSC: 1006)

    Assessors should also be familiar withthe publication Assessment guidelines forNational Occupational Health and SafetyCertification Standard for users andoperators of industrial equipment.

    1.2 Additional guidelinesGuidelines which provide additionalspecific information to certificateassessors are also included in eachassessment instrument. Included, whereappropriate, are specific instructions onthe usefulness of training records (such aslogbooks) and other certificates withoverlapping competencies.

    1.3 Evidence of competenceEvidence of competence is established ina number of ways. The methods used inthe following instruments involve:

    assessment of practical performance written and/or oral answers to

    questions on underpinningknowledge.

    2 Preparing for the assessment

    2.1 Study the instrumentsYou need to read the assessmentinstruments and specific instructionscarefully before beginning an assessment.

    2.2 Confirm appointmentsPrior to an assessment, you need toconfirm the date, time and location of theassessment with the applicant and anyother relevant people.

    2.3 Equipment availabilityThe availability of equipment, materialsand a suitable working area must beorganised and confirmed, prior to theassessment.

    2.4 Workplace factorsBecause procedures and processes varygreatly between workplaces, it isimportant for assessors to plan theirapproaches to meet the requirements ofthe individual workplace.

    Make sure you take the timeframe intoaccount when planning the assessmentand also make applicant aware of anytime limits.

    2.5 Selecting questionsQuestions for the written/oral assessmentshould be randomly selected from eachunit as indicated, either by hand or usingthe computer system, if applicable.

    3 Conducting the assessment

    3.1 Provide an explanationBegin by explaining clearly to theapplicant what is required of them.Check that applicant have provided (orhave been provided with) the necessarytools and equipment.

    3.2 Practical performanceComplete the performance checklist, asthe applicant works through the requiredtasks. Wherever possible, this should bedone in a normal working environment.Do not ask the applicant questions whilehe or she is performing a task, as this canbe distracting, and may affect the timetaken to complete the assessment.

    If, at any time, the applicant isendangering himself/herself or others,stop the assessment immediately. Thisindicates that the applicant is not yetcompetent and may require furthertraining, before been reassessed.Assessments should also be stopped, ifequipment or property is likely to bedamaged.

  • Written Assessment -Guidelines General August 2000 2

    3.3 KnowledgeThe oral/written assessment determinesthe applicants under pinning knowledge.The model answers provided with theoral/written assessment instruments arenot necessarily exhaustive. Use yourown judgement when scoring alternativeanswers.

    3.4 Written AssessmentRefer to the Written assessmentinstrument for cranes.

    3.5 Recording responsesEach item and question on the assessmentforms you use is accompanied by a box.Assessors must complete every box asfollows:

    CORRECTPERFORMANCE/ANSWER

    NOT YET ACHIEVED

    NOT APPLICABLE

    If a box is marked incorrectly, cross outthe mistake, mark the correct responsealongside, and initial the change.

    4 Determining competencies

    4.1 Assessment summaryA specific assessment summary is givenfor each certificate class. This is to befilled in and signed by the assessor, andcountersigned by the applicant.The original and duplicate are given tothe applicant. The applicant provides theoriginal to the certifying authority. Thetriplicate is retained by the assessor.

    4.2 Competency requirementsIn order for you to deem an applicantcompetent, he or she must havecompleted each section of the assessmentto the standard required. You shouldnote any time constraints when arriving atyour decision.

    The standard required for each instrumentis specified in the specific guidelinesand/or on the summary page at the end ofeach assessment.

    In the case of a re-assessment, theassessor can decide to apply the whole oronly the part of the assessment that wasnot achieved.

    4.3 Additional commentsWhere an applicant fails to meet thestandard of competence, you should add awritten comment on the AssessmentSummary, which briefly explains theproblem.

    Advice to the applicant, on theappropriate remedial action should alsobe included. This will also assist thecertificate assessor, in the event that theapplicant undergoes future reassessment.

    Likewise, if an applicant demonstratesoutstanding or remarkable performance,this should be noted.

    4.4 Further investigationAs a certificate assessor, it is your role todetermine whether or not an applicant hasachieved the standard necessary for thecertifying authority to be able to grant acertificate of competency.

    Whenever you are unsure of theapplicants performance or knowledge,ask additional questions, and obtainadditional evidence, before making yourfinal decision.

    NA

    X

  • Written Assessment -Guidelines Specific August 2000 3

    ASSESSOR GUIDELINES -SPECIFIC

    This written assessment covers thefollowing crane certificate classes:

    Tower Cranes, Derrick Cranes, PortalBoom Cranes, Bridge and Gantry Cranes,Vehicle Loading Cranes, Non-SlewingMobile Cranes and Slewing Mobile Cranes(up to 20 tonnes, up to 60 tonnes, up to 100tonnes and over 100 tonnes).

    This written assessment consists ofquestions grouped into a number ofsections, as follows -

    A. SlingsB. Sheaves and DrumsC. Rope Terminations,

    Anchors and AttachmentsD. Operational ManualE. Load AssessmentF. Load Charts

    The number of questions asked from eachsection should be as follows in theapplicable tables

    For Non-Slewing Mobile Cranes andSlewing Mobile Cranes (up to 20 tonnes, upto 60 tonnes, up to 100 tonnes and over 100tonnes)

    26 questions must be undertaken including5 critical Load Chart Questions

    No. of No. of Non-Critical Critical

    Section Questions Questions TotalTo Select To Select

    A 0 7 7B 0 4 4C 0 4 4D 0 2 2E 0 1 1F 5 3 8

    Total 5 21 26

    For Tower, Derrick and Portal Cranesclasses, 22 questions must be undertaken,including 2 critical questions from SectionF - Load Charts.

    No. of No. of Non-Critical Critical

    Section Questions Questions TotalTo Select To Select

    A 0 7 7B 0 4 4C 0 4 4D 0 2 2E 0 1 1F 2 2 4

    Total 2 20 22

    For Bridge & Gantry Cranes, 21 questionsmust be undertaken, including 2 criticalquestions from Section F - Load Charts.

    No. of No. of Non-Critical Critical

    Section Questions Questions TotalTo Select To Select

    A 0 7 7B 0 4 4C 0 4 4D 0 2 2E 0 1 1F 2 1 3

    Total 2 19 21

    For Vehicle Loading Cranes, 24questionsmust be undertaken, including 4 criticalquestions from Section F - Load Charts.

    No. of No. of Non-Critical Critical

    Section Questions Questions TotalTo Select To Select

    A 0 7 7B 0 4 4C 0 4 4D 0 2 2E 0 1 1F 4 2 6

    Total 4 20 24

  • Written Assessment -Guidelines Specific August 2000 4

    WRITTEN LOAD CHART

    Questions 103145 are separated asfollows: -

    Q 103 - 114 apply to Tower CranesQ 115 - 121 apply to Derrick & Portal

    CranesQ 122 - 124 apply to Bridge & Gantry

    CranesQ 125 - 129 apply to Vehicle Loading

    CranesQ 130 - 145 apply to Non-Slewing Mobile

    Cranes and Mobile SlewingCranes

    Questions 146-174 are Load Chartquestions for Mobile Slewing Cranes, NonSlewing Mobile Cranes and VehicleLoading Cranes. The questions applying toparticular certificate classes are