MechanismforEnsuringTemporaryWorks(TW)SafetyMechanismforEnsuringTemporaryWorks(TW)SafetyIr HenryKYLAMAssistantSecretary(WorksPolicy)DevelopmentBureau

SafetyForumonTemporaryWorksSafetyForumonTemporaryWorks

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https://www.youtube.com/watch?v=V5H9YTKktBc&t=369s

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DesignforSafety

Focus:TWDesign

1st TWExcellenceAward

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DesignandExecutionofTemporaryWorks

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DesignofTemporaryWorks

DfS:RevisedGuidelines,Workshops

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Projectsover$500M

2016Q4

TWExcellenceAward

Applicationclosedon30April2017

Entrysubmissionby30June2017

JudgingPanelmeetinginAugust/September2017

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WhatWentWrong?

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InSouthAfrica:Suppliertoldtheinquiryitonlysuppliedthescaffoldingandhadno role inthedesignoftheproject

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Failureoftemporaryworks Lossoflives Delayof

constructionprogramme

Economicloss Damageof

reputationoforganisationsinvolved

..

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Observationsofcommondeficiencies(administrative): Uncleardetailingindesigndrawings IncomprehensiveICEdesigncertificates InadequateICEsactionsforasbuiltcertificates TheEngineerstolerance Form5(forscaffolding)regardedasfulfillingforTW(falsework)

Insufficientsitesupervision

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Observationsofcommondeficiencies(technical): Ineffectivebracing/lacing Insufficientextentofformwork Primarybearersposition

inducingeccentricloading Excessiveextensionofjacks Deterioratedmaterials after

repetitiveuse Uneven placementofwet

concrete Excessive fall ofwetconcrete

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MechanismforEnsuringTWSafety

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Guidelines BS5975

(CodeofPracticeofFalsework) LD/OSHC GuidanceNoteson

Falsework PreventionofCollapse ArchSD GuidanceNoteson

Falsework Safety TemporaryWorksForum

Clients'guidetotemporaryworks IStrE/ConcreteSociety

TechnicalReportTRSC4

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ArchSD GuidanceNotes

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DEVBHandbook/TechnicalCirculars ProjectAdminHandbookChapter5,para9.35

(SubsumedfromTC3/97) TC26/2004 SCT3 GCC Clauses7&16 SCC Clause26 PAHAppendix5.11 PS

ContractorManagementHandbookAppendix4BGuidanceNotesforCompletionofReportonContractorsPerformance

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SCT3

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GCC7

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GCC16

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RolesofDifferentParties ICE examineContractorsdetaileddesign&methodstatementsfor

TWerection,use&removal usingallreasonableskillandcare issuedesigncertificate checkconstructionofTWbeforeloading issueasbuiltcertificate

Contractor submitdetaileddesign&methodstatements,w/designcertificate ensureTWerected,used&removedaccordingto

certifieddesign&methodstatements submitasbuiltcertificatetotheEngineer liability notabsolved

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SCC26

TheEngineer examinedetaileddesign&methodstatements,designcertificateforno obviousdeficiency ensureICEcarriedoutduties issueconsent forworktocommence warn/dismissICEifdissatisfiedwithperformance

Client preparecontractprovisions listoutcriticalTWinSCT/PS reflectcontractorsperformance inRCP

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SCC26(Contd)

PS

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RCP

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RCPItem1.1 StandardofTW areallmaterials andcomponentsusedfortheworksgenerallyofgood

quality,freefromsignificantcorrosionanddamageorexcessivedeterioration?

isbamboousedforscaffoldingrelativelynewandfreefromsplitsalongitsentirelength?Arejoints securelytiedandthewholescaffoldanchoredtotheworkface?

arethetemporaryworkscarriedoutinaccordancewiththatsubmittedbythecontractor?

arethesafetymarginsadequateagainsttheriskoffailure?

Wherethetemporaryworksareofsuchimportancethatthesehavebeenspecifiedtobeindependentlychecked, aretheworksconstructedaccordingtothecertifieddesign?

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WayForward

DEVB continuestoreviewthesystem WDs/projectdesigners toidentifycriticalTWindesign

stage&prepareSCT/SCC/PSaccordingly EnhanceConsultantsroleinexaminingTWsubmissions&

sitesupervision Regulatingaction(s)ifseriousdefault/

nonperformance? Contractorsresponsibility/ICE toexerciseduediligence IndependencyofSafetyOfficer AdditiontoRSSrequirements?

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