Delay analysis - Association for Project Management
Delay analysis - Association for Project Management
Delay analysis - Association for Project Management
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Construction Consultantswww.edgeconsult .co.ukAPM <strong>Delay</strong> SlidesBy Tony Ciorra29 May 2009
IntroductionObjective:To discuss delays in the non-contractual environmentSection 1 Agenda:IntroductionOverviewProgramme / <strong>Project</strong> Contxt<strong>Delay</strong>Approach<strong>Delay</strong> AnalysisBasics & Disruption
Tony Ciorra - PartnerService:Specialist consultancycompliment both QS and PM practiceObjective:To enhance Clients’ positionHigh quality, low volumevast experienceApproach:Easily understood and practicalProfessional and objective adviceFocus the team - Resolve conflictEnhance value, per<strong>for</strong>mance and investmentniche firmvast experienceConstruction Consultantswww.edgeconsult .co.uk
Overview<strong>Project</strong> Lifecyclea<strong>Project</strong>AwarenessbClientDevelopmentAInceptionBFeasibilityPre-briefBriefingCOutlineProposalsDSchemeDesignEDetailDesignFProductionInfo.GBills ofQuantityHTenderActionConceptDesignDetail DesignJ<strong>Project</strong>PlanningKSiteOperationLCompletionMFeedbackRIBA StagesSite Operations
Overview –Typical <strong>Delay</strong> IssuesAdvocacy & DefenceAdjudicationArbitrationExpert witnessADR Expert DeterminationsConstruction PlanningJ<strong>Project</strong>PlanningKSiteOperationLMCompletionFeedbackConstruction
OverviewDesign and ProcurementCOutlineProposalsConceptDesignDSchemeDesignEDetailDesignFProductionInfo.GBills ofQuantityDetail DesignHTenderActionDesign PlanningIdentify DecisionsPrioritise DecisionsCoordinate ProgrammesProcurement SchedulesTender ProgrammeTender EvaluationIn<strong>for</strong>mation schedules
OverviewDesign Process Planning12STONEBRICK34CURTAIN WALLATRIUM GLAZING3456ROOFPLANT SCREENS56
Overview – Contract StageContract AdministratorCertificates / InstructionsFormal NoticesManageSpecialist Reports / Schedule of DefectsPlanning & BCO approvalsHandoverKeys / As-Built Plans / H&S file / O&MJ<strong>Project</strong>PlanningKSiteOperationSite OperationsLMCompletionFeedbackt*Change ControlPolitics / CustomersCommunity / TechnologyEnvironment / FinanceCost benefit / Urgency
OverviewChange Control• Politics• Customers• Community• Technology• Environment• Finance–Cost benefit• Urgency
OverviewProgramme LevelsMASTER PROGRAMMELevel 1SubstructureSuperstructureEnvelopeServices & FinishesLevel 2SubstructureStartSuperstructureStartFinishSUBCONTRACTOR'SPROGRAMMESLevel 4sEnvelopeStartFinishsServices & FinishesStartShort Term TargetConstruction Programmew/e Fri 6/3/92sFinishStartFinishFinishLevel 3sFinishsStartLEGENDOthersProgrammedFinishLevel 5TENDER RESTRAINTS /PACKAGE PROGRAMMES
<strong>Delay</strong>Analysis OptionsObjective / Approach• Global• Selective• <strong>Project</strong> Impact Analysis
<strong>Delay</strong>Method of Analysis• Validate Original Plan/ Programme• As Built vs Planned• Clarify Scope & WBS• Focus on Issues• Strategically Agree Approach
<strong>Delay</strong>Causes• Change• Development• Market• External• ResourceEffect on Plan• Scope• Design• Procurement• Interfaces• WorksSolutions• <strong>Management</strong>• Risk Control• Resource• Techniques• Constraints
MonitoringDETAILED NARRATIVEA. DESIGN & LEGAL______________________B. PROCUREMENT______________________C CONSTRUCTION______________________EXECUTIVE SUMMARYCRITICAL PATH+1 0 -1PROGRESS TRENDSMILESTONESKEY POINTS:1.____________2.____________3.____________4.____________5.____________SOLUTIONS TO PROBLEMSAPPENDIXPROGRAMMESWITH JAGGED LINEPROGRESS STATISTICSRESOURCE RECORDSKEY PROJECT DATAInstructionsIRS
<strong>Delay</strong> - WorksSolutions• <strong>Management</strong>• Risk Control• Resource• Techniques• ConstraintsResource• Quality / Experience• Work Environment• Prefabrication• Communication• Team Approach• Methods• Training• Tools / Techniques
<strong>Delay</strong> <strong>Management</strong>July Aug Sept Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sept OctJul-99Aug-99Sep-99Oct-99Nov-99Dec-99Jan-00Feb-00Mar-00Apr-00May-00Jun-00Jul-00Aug-00Sep-00Oct-00Separate schedule <strong>for</strong> key to milestone descriptions
<strong>Delay</strong> Analysis - BasicsA B C10 20 30 4000 00 10 10 10 10 20 20 10 30 30D105020 30I - J Activity 10 20 30 40 50 60 7010 - 20 A20 - 30 B30 - 40 C20 - 50 D50 - 40 DummyCPA Arrow Diagram
<strong>Delay</strong> Analysis - Basics• Linked Bar ChartProgrammeEventActivity10 Order20 Manufacture30 Deliver40 Prepare50 Design60 Construct70 CommissionRoll up BarFragnet/ SubnetActivityCritical Path<strong>Project</strong> FloatFree FloatLink: S/S, S/F, F/FEvent Number/ IDGant/ Bar Chart
<strong>Delay</strong> Analysis• Scheduling Options– Calendars– Resourcing– Time Analysis Options• Constraints• Summarise or show critical portion• Truncated activity links / Retain logic• Negative Float
<strong>Delay</strong> A<strong>analysis</strong> - BasicsActivity 'A'Activity 'B'Activity 'C'Activity 'D'ID10ES LS ES LS ES LS ES LSDuration 0 0 ID Duration 5 5 ID Duration 30 30 ID Duration 45 45EF LF EF LF EF LF EF LF5 5 5 20 25 30 30 30 15 45 45 40 5 50 50Activity 'E'Activity 'F'Activity 'G'Key 1ES LS ES LS ES LSID Duration 5 30 ID Duration 10 35 ID Duration 35 40 ES = Early StartEF LF EF LF EF LF EF = Early Finish50 5 10 35 60 5 30 40 70 5 40 45 LS = Latest StartLF = Latest FinishEventNo.ActivityDescriptionPlannedDuration 0 5 10 15 20 25 30 35 40 45 5010 A 5 Key 220 B 25 Critical50 E 5 Planned60 F 5 Latest30 C 15 Free Float70 G 5 <strong>Project</strong> Float40 D 5CPA Precedence Diagram
<strong>Delay</strong> AnalysisDisruptionMeasured MileEventsRe-sequence
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