Post on 10-Feb-2017
Hong Kong Housing Authorityg g g y
Site Safety Seminar for Works ContractsSite Safety Seminar for Works Contracts and Property Services Contracts
Safe Operation of Mobile Cranep
Speaker : C Y YeungSpeaker : C Y Yeung15 December 2011
Safe Operation of Mobile CraneSafe Operation of Mobile CraneI dI dIndexIndex
Failure Modes- Management System Pressures
- Social Pressures- Social Pressures
- Unsafe Conditions
Unsafe Acts- Unsafe Acts
- Personal Factors
C fli ti M ti ti- Conflicting Motivation
- Task Beyond Mental Capacity
Safe Operation of Mobile CraneSafe Operation of Mobile CraneIndexIndex
PracticesPractices
- Environment - Checking Lifting Gears
- Lifting Training
- Workshop for Lifting
- Supervision
- Position of Mobile Crane
- Plant Checking
- Thoroughly Examine & Test by RPE
- Foundation
- Working Permit
- Mat & Timber Blocking
Safe Operation of Mobile CraneSafe Operation of Mobile CraneF il M dF il M d
Management System PressuresFailure ModesFailure Modes
Management System Pressures• financial restriction
l k f it t• lack of commitment• lack of policyp y• lack of standards
lack of knowledge & information• lack of knowledge & information• lack of supervision
Safe Operation of Mobile CraneSafe Operation of Mobile CraneF il M dF il M d
Social Pressure
Failure ModesFailure Modes
Social Pressure• group attitudes• trade customers• traditiontradition• society attitude to risk-taking
“ bl ” b h i i h k l• “acceptable” behavior in the workplace
Safe Operation of Mobile CraneSafe Operation of Mobile CraneF il M dF il M d
Unsafe Conditions
Failure ModesFailure Modes
Unsafe Conditions• inadequate or missing safety devices• defective parts / components• inadequate warninginadequate warning• ineffective housekeeping• adverse weather conditions• inadequate illuminationq• inadequate soil bearing capacity
Safe Operation of Mobile CraneSafe Operation of Mobile CraneF il M dF il M d
Unsafe ConditionsFailure ModesFailure Modes
• equipment factors - normal wear & tearb l & t- abnormal wear & tear
- design factors• poor working practices• inadequate or careless maintenance• inadequate or careless maintenance• group norm
Safe Operation of Mobile CraneSafe Operation of Mobile CraneF il M dF il M d
Unsafe Acts
Failure ModesFailure Modes
Unsafe Acts• working without authority• failure to warn others of danger• leaving equipment in a dangerous conditionleaving equipment in a dangerous condition• using equipment at the wrong speed
di i f d i• disconnecting safety devices• using defective equipmentg q p• using equipment the wrong way or for wrong task
Safe Operation of Mobile CraneSafe Operation of Mobile CraneF il M dF il M d
Unsafe ActsFailure ModeFailure Mode
• overloading of equipmentf il t h i t l d tl• failure to hoist load correctly
• being in an unauthorized place• unauthorized servicing & maintaining equipment
Safe Operation of Mobile CraneSafe Operation of Mobile CraneP l FP l F
Personal Factors
Personal FactorsPersonal Factors
Personal Factors• knowledge & skill deficiencies• lack of hazard awareness• lack of job knowledgej g• lack of job skill
l k f d t i t ti• lack of adequate instruction
Safe Operation of Mobile CraneSafe Operation of Mobile CraneF il M dF il M d
Conflicting Motivations
Failure ModesFailure Modes
Conflicting Motivations• saving time & effort• avoiding discomfort• attracting attentionattracting attention• asserting independence
i t t• expressing resentment
Safe Operation of Mobile CraneSafe Operation of Mobile CraneF il M dF il M d
Task Beyond Mental CapacityFailure ModesFailure Modes
y p y• information overload
l l / d i t k• poorly plan / design task• beyond ability of individual
Safe Operation of Mobile CraneSafe Operation of Mobile CraneE iE iEnvironmentEnvironment
Safety Notice & In house Safety RulesSafety Notice & In-house Safety Rules
Appointed Competent Persons
Safe Operation of Mobile CraneSafe Operation of Mobile CraneE iE iEnvironmentEnvironment
F OffFence Off Hazardous Zone
Safety NoticeSafety Notice
Safe Operation of Mobile CraneSafe Operation of Mobile CraneE iE iEnvironmentEnvironment
Rigging Method forRigging Method for Material Hoisting
Safe Operation of Mobile CraneSafe Operation of Mobile CraneLif i T i iLif i T i iLifting TrainingLifting Training
Safety Training
Safe Operation of Mobile CraneSafe Operation of Mobile CraneW k h f Lif iW k h f Lif iWorkshop for LiftingWorkshop for Lifting
Planning
Safe Operation of Mobile CraneSafe Operation of Mobile CranePl Ch kiPl Ch kiPlant CheckingPlant Checking
Closed Circuit TelevisionClosed Circuit Television (CCTV) Camera
Reversing Video Device (RVD)
Safe Operation of Mobile CraneSafe Operation of Mobile CranePl Ch kiPl Ch ki
A ti lli i R d
Plant CheckingPlant Checking
Anti-collision Rod
Flashing Light
Safe Operation of Mobile CraneSafe Operation of Mobile CranePl Ch kiPl Ch ki
Checking Team led by Plant
Plant CheckingPlant Checking
Checking Team led by Plant Superintendent
Safe Operation of Mobile CraneSafe Operation of Mobile CraneTh hl E i d T b RPETh hl E i d T b RPEThoroughly Examine and Test by RPEThoroughly Examine and Test by RPE
Loading Test by RPE
Safe Operation of Mobile CraneSafe Operation of Mobile CraneW ki P iW ki P i
Checking & Issuing Working Permit
Working PermitWorking Permit
Checking & Issuing Working Permit
Safe Operation of Mobile CraneSafe Operation of Mobile CraneW ki P iW ki P i
Debriefing
Working PermitWorking Permit
Debriefing
Safe Operation of Mobile CraneSafe Operation of Mobile CraneM Ti b Bl kiM Ti b Bl ki
Mat or Timber Blocking at least 3
Mat or Timber BlockingMat or Timber Blocking
Mat or Timber Blocking at least 3 times larger in area than the float
Safe Operation of Mobile CraneSafe Operation of Mobile CraneM Ti b Bl kiM Ti b Bl kiMat or Timber BlockingMat or Timber Blocking
Steel Plate
Safe Operation of Mobile CraneSafe Operation of Mobile CraneCh ki Lif i GCh ki Lif i G
Checking & Inspection of Lifting Gears
Checking Lifting GearsChecking Lifting Gears
Checking & Inspection of Lifting Gears
Safe Operation of Mobile CraneSafe Operation of Mobile CraneS i iS i i
Lifting Supervisor Oversee
SupervisionSupervision
Lifting Operation on the Spot
Safe Operation of Mobile CraneSafe Operation of Mobile CraneP i i f M bil CP i i f M bil CPosition of Mobile CranePosition of Mobile Crane
CoP for Safe Use of
Reference Documents
CoP for Safe Use of Mobile Crane issued
by Labour Department
Safe Operation of Mobile CraneSafe Operation of Mobile CraneF d iF d iFoundationFoundation
Reference Documents
BS 7121-3:2000CoP for Safe Use of
Reference Documents
CoP for Safe Use of Crane Part 3 : Mobile Crane
CIRIA C703Crane Stability on Site – Introductory
Guide 2E 2003Guide 2E 2003
Safe Operation of Mobile CraneSafe Operation of Mobile Crane
Safe Operation of Mobile CraneSafe Operation of Mobile Crane
Safe Operation of Mobile CraneSafe Operation of Mobile Crane
Safe Operation of Mobile CraneSafe Operation of Mobile Crane
Safe Operation of Mobile CraneSafe Operation of Mobile Crane
Safe Operation of Mobile CraneSafe Operation of Mobile Crane
ENDEND
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