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Project Management Managing Risks
Dr. Tai-Yue Wang Department of Industrial and Information Management National Cheng Kung University Tainan, TAIWAN, ROC This is a basic course blah, blah, blah…
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Where We Are Now
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Risk Management Process
Uncertain or chance events that planning can not overcome or control. Possibility or probability that the project will not turn out as planned or desired The combination of the probability of an event and its consequences Effect of uncertainty on objectives
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Risk Concept -- Project Risk
Risk includes potential benefits (opportunities) as well as hazards Our focus: risk of serious problems or failure, i.e., Project not meeting performance requirements, schedule, or budget “Failure” Not meeting time, cost, or performance targets by a predefined margin
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Risk Concept -- Project Risk
Risk of involves two concepts: The likelihood that some event will occur. The impact of the event if it does occur. It is a joint function of the two Risk = f (likelihood, impact)
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Risk Management Process
A proactive attempt to recognize and manage internal events and external threats that affect the likelihood of a project’s success. What can go wrong (risk event). How to minimize the risk event’s impact (consequences). What can be done before an event occurs (anticipation). What to do when an event occurs (contingency plans).
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The Risk Event Graph FIGURE 7.1
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Risk Management’s Benefits
A proactive rather than reactive approach. Reduces surprises and negative consequences. Prepares the project manager to take advantage of appropriate risks. Provides better control over the future. Improves chances of reaching project performance objectives within budget and on time.
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The Risk Management Process
The risk management process repeats throughout every phase of the project from Conception through Close-out FIGURE 7.2
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Risk Concept -- Risk Management Elements and Process
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1. Identify Risks Generate a list of possible risks through brainstorming, problem identification and risk profiling. Macro risks first, then specific events
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Roots of Uncertainty Stakeholders Objectives
Variety of Resources, (human, capital, material..) Project Organizations Scope of work Cost Time Delivery of Quantified and Qualitative objectives Technologies Environment Regulators
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Roots of Uncertainty Roots of Uncertainty are associated with
Who Who are the parties ultimately involved (Executing Agencies, partners, etc..) Why What do they want (motives, objectives..) What What is it the parties interested in (design) Which way How is to be done (activities) What What resources are required (resources) When when does it have to be done (Schedule, timetable)
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1. Identify Risks: Sources of Risk
External Internal Environment Project Internal “Needs and Definition” Risk Failure to correctly identify and define current or changing customer needs and requirements
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1. Identify Risks: Sources of Risk
Internal Environment Project “Technical” Risk Failure of the end item. Risk due to nature of the end item or the process to create it: High complexity Low maturity Low reliability, produciblity, or testability High concurrency (overlap of project work)
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1. Identify Risks: Sources of Risk
Environment External Project Risks in the project environment Market conditions Government mandate Physical environment (weather, geography, etc.) Labor and other resource availability Project priorities Customer/supplier relationships Exchange rates
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1. Identify Risks Analogy Checklists WBS and work packages
Experience and documentation Checklists Experience and post-mortem reviews Example, next slide WBS and work packages Process flow charts
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Project Management /authority Third Parties /External bodies
Risk Checklist Element Ref. Risk Likelihood (H, M or L) Impact (H, M or L) Project Management /authority 1 Project Manager's lack of Project Management experience 2 Difficulty in securing full funding. (e.g. if the funding is coming from more than one source there may be a greater risk in securing it at the same time) 3 Lack of understanding of project management standards by everyone in the project team. Project Nature 6 Innovation or the introduction of new features. 7 The project is likely to need a large number of workdays. (e.g. low number of workdays = low risk, anything over six months =high risk) 8 Non-negotiable completion date. Project Staff 11 The project team is inexperienced or lacking appropriate skills for the project. 12 The project team will be expected to support end-users after project completion. ( ongoing support = low risk, no support project beyond closure = high risk) The Customer 16 Customer support expected to be part of the project. 17 The project will affect current operations. 18 The customer requirements will not be well documented. (e.g. poor documentation increases risk of delivered product being unsatisfactory) Third Parties /External bodies 22 Third party suppliers are not well known to UEA.
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WBS and work packages with assessed level of risk
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OUTGOING LETTERS PROCESSING
SCALED, SORT BY POSTAGE METERED, PUT INTO FOREIGN AIR MAIL BAG IBD ALL FOREIGN QC- QUALITY CONTROL ALSO SPECIAL GROUP MAIlNG PIECES WHITE SORT TO SIZE MACHINE STAMPS POSTAGE BUNDLE QC FOR SEAL, ADDRESS POSTAGE PUT INTO BAGS AIR MAIL 1 OZ OR LESS BLDG. 200 CHECK WEIGHT SORT TO SIZE MACHINE STAMPS POSTAGE BUNDLE QC FOR SEAL, ADDRESS POSTAGE PUT INTO TRAYS 1 OZ OR LESS AIR MAIL BROWN ALL OVER 1 OZ HEAVY BLDG. 130 FIRST CLASS SEALED BY HAND SORT > ½ LB PUT INTO TRAYS METERED, QC CHECK SORT INTO POST OFFICE BAGS ALL REMITTANCE MAIL AFTER 6:30 PM ≤ ½ LB AIR MAIL BLDG. 231 WEIGHED SORTED INTO 1,2,4, 8 OZ. GROUPS BY MACHINE SORT INTO 1ST CLASS & AIR MAIL METERED, QC CHECK PUT INTO BAGS WHITE BROWN HEAVY AIR MAIL AFTER 6:30 PM ? U.S. POST OFFICE OUTGOING LETTERS PROCESSING YES NO US MESSENGER PICK UP O’HARE
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1. Identify risks Causes Effect Risk sources Outcomes,
Brainstorming Delphi Technique Cause-Effect analysis Causes Effect Risk sources Outcomes, and hazards Consequences Example, next slide
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Cause and Effect Diagram
HARDWARE PEOPLE Bought-in items may be delivered late Key staff may be out of action Welding may be defective Staff productivity may be lower than planned Material may be off-spec External agencies may delay Manufacture may not correspond with design PRODUCT DELIVERED LATE Procurement procedures may be ineffective Import taxes may be raised Design may have to be re-engineered Fabricator may go bankrupt Design specs may be changed Cash flow may not be sufficient to pay bills Design may not meet standards MONEY FUNCTIONS
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2. Assess the Risk Scenario analysis for event probability and impact
Risk assessment matrix Failure Mode and Effects Analysis (FMEA) Probability analysis Decision trees, NPV, and PERT Semiquantitative scenario analysis
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2. Assess the Risk Assess RC (the risk “consequence” or “exposure”)
RC = (Probability) x (Impact)
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2. Assess the Risk Probability, expressed as Impact, expressed as
numerical estimate, 0-1.0 or nominal rating, e.g, VH, H, M, L,VL or interval rating, e.g., 1-5 Impact, expressed as physical impact on time (weeks), cost ($) or, performance or nominal or interval rating, e.g. VH, H, M, L, VL,
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2. Assess the Risk Combing several independent risk sources
Composite likelihood factor, CLF = (W1) MH + (W2) CH + (W3) MS + (W4) CS + (W5)D where MH , MS , CH , CS , and D are failure likelihoods due to immaturity of hardware and software, complexity in hardware and software,and dependency on external factors, respectively; each has value 0 to 1.0 W1, W2, W3, W4, and W5 each has value 0 through 1.0 and together total 1.0.
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2. Assess the Risk Combing several independent risk sources
Composite impact factor, CIF = (W1)TI + (W2)CI + (W3)SI where T1, C1, and S1 are impacts due to failure in technical performance, cost, and schedule, respectively; each has value 0 to 1.0 W1, W2, and W3 each has value 0 through 1.0 and together total 1.0.
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2. Assess the Risk Risk Consequence RC = probability x impact
Example RC = 0.75 x 5 = 3.75
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2. Assess the Risk Risk Consequence
When probability and impact are expressed as nominal values (e.g., VH, H, M, L,VL; next three slides), RC = f(probability,impact)
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Project Management /authority Third Parties /External bodies
Element Ref. Risk Likelihood (H, M or L) Impact (H, M or L) Project Management /authority 1 Project Manager's lack of Project Management experience 2 Difficulty in securing full funding. (e.g. if the funding is coming from more than one source there may be a greater risk in securing it at the same time) 3 Lack of understanding of project management standards by everyone in the project team. Project Nature 6 Innovation or the introduction of new features. 7 The project is likely to need a large number of workdays. (e.g. low number of workdays = low risk, anything over six months =high risk) 8 Non-negotiable completion date. Project Staff 11 The project team is inexperienced or lacking appropriate skills for the project. 12 The project team will be expected to support end-users after project completion. ( ongoing support = low risk, no support project beyond closure = high risk) The Customer 16 Customer support expected to be part of the project. 17 The project will affect current operations. 18 The customer requirements will not be well documented. (e.g. poor documentation increases the risk of the delivered product being unsatisfactory) Third Parties /External bodies 22 Third party suppliers are not well known to UEA.
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2. Assess the Risk Example RC = L x H = M (according to table) VL L M
Impact VL L M H VH Probability
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2. Assess the Risk
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The Risk Breakdown Structure (RBS)
FIGURE 7.3
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Partial Risk Profile for Product Development Project
FIGURE 7.4
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Defined Conditions for Impact Scales of a Risk on Major Project Objectives (Examples for negative impacts only) FIGURE 7.5
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Risk Assessment Form FIGURE 7.6
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Hardware malfunc-tioning
Risk Severity Matrix Failure Mode and Effects Analysis (FMEA) Impact × Probability × Detection = Risk Value User Backlash Interface problems System freezing Hardware malfunc-tioning 5 4 Red zone (major risk) Yellow zone (moderate risk) Green zone (minor risk) Likelihood 3 2 1 1 2 3 4 5 FIGURE 7.7 Impact
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3. Risk Response Development
Reducing the likelihood an adverse event will occur. Reducing impact of adverse event. Avoiding Risk Changing the project plan to eliminate the risk or condition.
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3. Risk Response Development
Transferring Risk Paying a premium to pass the risk to another party. Requiring Build-Own-Operate-Transfer (BOOT) provisions. Retaining Risk Making a conscious decision to accept the risk.
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Contingency Planning Contingency Plan
An alternative plan that will be used if a possible foreseen risk event actually occurs. A plan of actions that will reduce or mitigate the negative impact (consequences) of a risk event.
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Contingency Planning Risks of Not Having a Contingency Plan
Having no plan may slow managerial response. Decisions made under pressure can be potentially dangerous and costly.
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Risk Response Matrix FIGURE 7.8
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Risk and Contingency Planning
Technical Risks Backup strategies if chosen technology fails. Assessing whether technical uncertainties can be resolved. Schedule Risks Use of slack increases the risk of a late project finish. Imposed duration dates (absolute project finish date) Compression of project schedules due to a shortened project duration date.
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Risk and Contingency Planning (cont’d)
Costs Risks Time/cost dependency links: costs increase when problems take longer to solve than expected. Price protection risks (a rise in input costs) increase if the duration of a project is increased. Funding Risks Changes in the supply of funds for the project can dramatically affect the likelihood of implementation or successful completion of a project.
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Opportunity Management Tactics
Exploit Seeking to eliminate the uncertainty associated with an opportunity to ensure that it definitely happens. Share Allocating some or all of the ownership of an opportunity to another party who is best able to capture the opportunity for the benefit of the project.
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Opportunity Management Tactics
Enhance Taking action to increase the probability and/or the positive impact of an opportunity. Accept Being willing to take advantage of an opportunity if it occurs, but not taking action to pursue it.
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Contingency Funding and Time Buffers
Contingency Funds Funds to cover project risks—identified and unknown. Size of funds reflects overall risk of a project Budget reserves Are linked to the identified risks of specific work packages. Management reserves Are large funds to be used to cover major unforeseen risks (e.g., change in project scope) of the total project.
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Contingency Funding and Time Buffers
Amounts of time used to compensate for unplanned delays in the project schedule. Severe risk, merge, noncritical, and scarce resource activities
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Contingency Fund Estimate ($000s)
TABLE 7.1
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Managing Risk (cont’d)
Step 4: Risk Response Control Risk control Execution of the risk response strategy Monitoring of triggering events Initiating contingency plans Watching for new risks
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Managing Risk (cont’d)
Step 4: Risk Response Control Establishing a Change Management System Monitoring, tracking, and reporting risk Fostering an open organization environment Repeating risk identification/assessment exercises Assigning and documenting responsibility for managing risk
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Change Management Control
Sources of Change Project scope changes Implementation of contingency plans Improvement changes
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Change Control System Process
Identify proposed changes. List expected effects of proposed changes on schedule and budget. Review, evaluate, and approve or disapprove of changes formally. Negotiate and resolve conflicts of change, condition, and cost.
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Change Control System Process
Communicate changes to parties affected. Assign responsibility for implementing change. Adjust master schedule and budget. Track all changes that are to be implemented
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The Change Control Process
FIGURE 7.9
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Benefits of a Change Control System
Inconsequential changes are discouraged by the formal process. Costs of changes are maintained in a log. Integrity of the WBS and performance measures is maintained. Allocation and use of budget and management reserve funds are tracked.
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Benefits of a Change Control System
Responsibility for implementation is clarified. Effect of changes is visible to all parties involved. Implementation of change is monitored. Scope changes will be quickly reflected in baseline and performance measures.
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Sample Change Request FIGURE 7.10
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Change Request Log FIGURE 7.11
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Key Terms Avoiding risk Budget reserve Change management system
Contingency plan Management reserve Mitigating risk Opportunity Retaining risk Risk Risk breakdown structure (RBS) Risk profile Risk register Risk severity matrix Scenario analysis Time buffer Transferring risk
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