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Basics of Project Management – Complete Study Notes

IES / ESE GATE PSU

Complete Study Notes for IES ESE Paper I

Ch 1 · Project Lifecycle Ch 2 · Scope & WBS Ch 3 · Scheduling Ch 4 · Cost Management Ch 5 · Risk Management Ch 6 · Quality & Teams Quick Revision
1Project Lifecycle and Initiation

A project is a temporary endeavour to create a unique product, service, or result. Project management applies knowledge, skills, tools, and techniques to meet project requirements within scope, time, cost, and quality constraints.

Project vs. Operations

AspectProjectOperations
DurationTemporary; defined start and endOngoing; continuous
OutputUnique product/resultRepetitive products/services
ResourcesAssembled and disbandedPermanent workforce
GoalAchieve objectives and closeSustain the business

Project Lifecycle Phases (PMBOK)

  1. Initiation: Define project; create Project Charter; identify stakeholders
  2. Planning: Define scope; develop schedule; estimate cost; plan quality, risk, procurement
  3. Executing: Perform work defined in plan; manage team; engage stakeholders
  4. Monitoring & Controlling: Track performance; control changes; report
  5. Closing: Formal acceptance; lessons learned; release resources

Project Charter

  • Formal document authorising the project and project manager's authority
  • Contains: project purpose, objectives, scope, milestones, budget estimate, stakeholders, risks
  • Issued by project sponsor or initiating entity

Stakeholder Management

StakeholderRole
Project SponsorChampions project; provides funding; resolves escalated issues
Project ManagerLeads team; responsible for deliverables, budget, schedule
Project TeamExecutes work; provides expertise
Client/CustomerDefines requirements; accepts deliverables
PMOProject Management Office — sets standards, provides oversight

Triple Constraint (Iron Triangle)

Scope ↔ Time ↔ Cost (Quality at centre) — changing one affects others
  • Also called "project management triangle"
  • Modern view adds Quality and Risk as additional constraints
  • Project success = delivering within scope, on time, within budget, at required quality
ESE Tip: Project lifecycle phases — Initiation → Planning → Executing → Monitoring & Controlling → Closing. The triple constraint is scope, time, cost. Changing any one typically impacts the others.
2Scope Management and Work Breakdown Structure

Scope management ensures the project includes all — and only — the work required to complete the project successfully. Scope creep (uncontrolled expansion of scope) is a common cause of project failure.

Scope Management Processes

  1. Plan Scope Management
  2. Collect Requirements — interviews, focus groups, workshops, surveys
  3. Define Scope — creates detailed project scope statement
  4. Create WBS — decomposes deliverables into work packages
  5. Validate Scope — formal acceptance of deliverables by client
  6. Control Scope — monitor scope; manage changes to scope baseline

Work Breakdown Structure (WBS)

  • Hierarchical decomposition of total project work into manageable work packages
  • 100% rule: WBS must capture 100% of project work; nothing outside WBS is in scope
  • Work package: lowest level of WBS; can be reliably estimated and assigned
  • WBS Dictionary: detailed description of each WBS element
  • Deliverable-oriented: WBS organised around deliverables, not activities

Requirements Documentation

TypeDescription
Functional requirementsWhat the system/product must do
Non-functional requirementsPerformance, reliability, security, usability standards
Business requirementsHigher-level needs of the organisation
Stakeholder requirementsNeeds and expectations of specific stakeholders

Scope Creep vs. Gold Plating

  • Scope creep: Uncontrolled scope expansion without formal change approval — major risk
  • Gold plating: Adding extra features not in scope without client request — also to be avoided
  • Both lead to schedule delays, cost overruns, and quality issues
ESE Tip: WBS is deliverable-oriented, not activity-oriented. The 100% rule: WBS must represent all project work. Work packages are the lowest level — they can be scheduled, costed, and assigned.
3Project Scheduling — Gantt, CPM, and PERT

Project scheduling defines the sequence and timing of project activities. Gantt charts, CPM, and PERT are the primary tools. This chapter covers their principles as used in project management context.

Gantt Chart

  • Bar chart showing project activities against a timeline
  • Invented by Henry Gantt (~1910)
  • Shows start/finish dates, duration, dependencies, and milestones
  • Easy to understand but does not show task interdependencies clearly in complex projects
  • Modern software (MS Project, Primavera) links Gantt to network diagrams

Critical Path Method (CPM)

  • Deterministic (single time estimate per activity)
  • Critical path = longest path = project duration; activities on it have zero float
  • Crashing: reduce project duration by adding resources to critical activities (cost trade-off)
Total Float = LS − ES = LF − EF | Free Float = ES(successor) − EF(activity)
Cost Slope = (Crash Cost − Normal Cost) / (Normal Duration − Crash Duration)

PERT — Probabilistic Scheduling

Expected time: tₑ = (tₒ + 4tₘ + tₚ) / 6
Variance: σ² = [(tₚ − tₒ) / 6]²
Probability Z = (T_S − T_E) / σ_p | where σ_p = √(Σσ² along critical path)
  • tₒ = optimistic time, tₘ = most likely time, tₚ = pessimistic time
  • PERT is suited for research/development projects where activity durations are uncertain

Schedule Compression Techniques

TechniqueMethodTrade-off
CrashingAdd resources to critical activitiesHigher cost
Fast TrackingOverlap activities originally planned in sequenceHigher risk
Resource levellingAdjust schedule to balance resource use (may extend duration)Extends duration

Schedule Baseline and Control

  • Schedule baseline: Approved version of the project schedule
  • Schedule variance (SV): SV = EV − PV; negative = behind schedule
  • Schedule performance index (SPI): SPI = EV/PV; <1 = behind schedule
ESE Tip: PERT uses 3 time estimates; CPM uses 1. PERT is probabilistic; CPM is deterministic. Fast tracking = overlapping activities (risk increases); crashing = adding resources (cost increases).
4Cost Management and Earned Value Analysis

Cost management involves planning, estimating, budgeting, and controlling costs. Earned Value Analysis (EVA) is the most powerful technique for measuring project performance against both schedule and budget simultaneously.

Cost Estimation Techniques

TechniqueAccuracyWhen Used
Analogous estimatingLow (±25–50%)Early stages; based on similar past projects
Parametric estimatingMedium (±10–25%)Statistical relationship between variables (e.g. cost/unit)
Bottom-up estimatingHigh (±5–10%)Detailed WBS available; sum of individual work packages
Three-point (PERT)HighUncertainty in estimates; uses optimistic/likely/pessimistic

Earned Value Analysis (EVA) — Key Terms

TermDefinition
PV (Planned Value)Budgeted cost of work scheduled (BCWS) — what was planned to be spent by now
EV (Earned Value)Budgeted cost of work performed (BCWP) — the value of work actually done
AC (Actual Cost)Actual cost of work performed (ACWP) — what was actually spent
BACBudget at Completion — total approved project budget

EVA Performance Metrics

CV = EV − AC (Cost Variance; negative = over budget)
SV = EV − PV (Schedule Variance; negative = behind schedule)
CPI = EV / AC (Cost Performance Index; <1 = over budget)
SPI = EV / PV (Schedule Performance Index; <1 = behind schedule)
EAC = BAC / CPI (Estimate at Completion — typical forecast)
ETC = EAC − AC (Estimate to Complete)
VAC = BAC − EAC (Variance at Completion)

Types of Project Costs

Cost TypeDescription
Direct costsDirectly attributable to project (labour, materials, equipment)
Indirect costsOverhead shared among projects (rent, utilities, admin)
Fixed costsDo not vary with output (equipment hire, permits)
Variable costsVary with work output (materials consumed, hourly labour)
Sunk costsPast expenditure that cannot be recovered — irrelevant to future decisions
Contingency reserveBudget for known unknowns (identified risks)
Management reserveBudget for unknown unknowns (unforeseeable risks)
ESE Tip: CPI = EV/AC; <1 means over budget. SPI = EV/PV; <1 means behind schedule. EAC = BAC/CPI is the standard forecast formula. CV and SV negative = bad. Sunk costs should not influence future decisions.
5Project Risk Management

Risk is an uncertain event or condition that, if it occurs, has a positive or negative effect on project objectives. Risk management proactively identifies, analyses, and responds to risks.

Risk Management Processes

  1. Plan Risk Management: Define approach, roles, methodology
  2. Identify Risks: Brainstorming, checklists, SWOT analysis, expert judgement
  3. Qualitative Risk Analysis: Probability × Impact matrix; prioritise risks
  4. Quantitative Risk Analysis: Numerical analysis — Monte Carlo simulation, decision trees
  5. Plan Risk Responses: Develop response strategies
  6. Implement Risk Responses: Execute planned responses
  7. Monitor Risks: Track residual risks; identify new risks; evaluate effectiveness

Risk Response Strategies — Threats (Negative Risks)

StrategyDescriptionExample
AvoidEliminate threat by eliminating causeChange project scope to exclude risky work
TransferShift risk to third partyInsurance, contract with penalty clause
MitigateReduce probability or impactMore testing, redundant systems, training
AcceptAcknowledge risk; no action (active = contingency; passive = accept consequence)Small low-probability risks

Risk Response Strategies — Opportunities (Positive Risks)

StrategyDescription
ExploitEnsure opportunity occurs; eliminate uncertainty
ShareAllocate to third party better able to capture benefit
EnhanceIncrease probability or positive impact
AcceptTake advantage if it occurs but do not actively pursue

Risk Register

  • Living document containing all identified risks, their causes, probability, impact, owner, and response
  • Updated throughout the project lifecycle

Probability × Impact Matrix

Impact →LowMediumHigh
High probabilityMediumHighCritical
Medium probabilityLowMediumHigh
Low probabilityLowLowMedium
ESE Tip: Risk response for threats: Avoid (eliminate), Transfer (insurance), Mitigate (reduce), Accept. For opportunities: Exploit, Enhance, Share, Accept. Risk = Probability × Impact. Monte Carlo simulation models uncertainty in project cost/schedule.
6Quality Management and Project Organisation

Quality management ensures the project satisfies the needs for which it was undertaken. It encompasses quality planning, quality assurance, and quality control across all project processes and deliverables.

Quality Management Concepts

TermDefinition
QualityDegree to which deliverables meet specified requirements
GradeCategory of products with same functional use but different requirements (low grade ≠ low quality)
Quality PlanningIdentify quality standards and determine how to satisfy them
Quality Assurance (QA)Audit processes to ensure quality standards are followed (process-focused)
Quality Control (QC)Monitor specific project results to check they meet quality standards (product-focused)
Prevention over inspectionBuild quality in rather than inspect it out; defect prevention is cheaper
Cost of Quality (CoQ)Cost of conformance (prevention + appraisal) + cost of non-conformance (internal + external failures)

Quality Tools

ToolUse
Pareto chart80/20 rule — 80% of defects from 20% of causes; prioritise improvement
Cause & Effect (Ishikawa/fishbone)Identify root causes of defects (6 Ms: Man, Machine, Method, Material, Measurement, Mother Nature)
Control chartStatistical process control; identify special vs. common cause variation
Scatter diagramShows relationship between two variables
HistogramDistribution of defects by category or time
FlowchartProcess mapping to identify improvement opportunities
ChecklistTally defects by type for data collection

Project Organisation Structures

StructurePM AuthorityAdvantagesDisadvantages
FunctionalLittle to noneTechnical expertise; career pathPoor PM control; slow decisions; "silo" mentality
ProjectisedHigh to totalFull PM control; fast decisions; team loyaltyInefficient resource use; loss of technical home
Matrix (Weak)LimitedBetter resource sharingDual reporting causes conflict
Matrix (Balanced)Shared PM/FunctionalBalance of control and expertiseComplex; potential for conflict
Matrix (Strong)HighPM control; resource efficiencyDual reporting; overhead

Team Development — Tuckman's Model

  1. Forming: Team comes together; polite, uncertain; PM provides direction
  2. Storming: Conflict over roles and approaches; PM facilitates resolution
  3. Norming: Team establishes norms; cohesion builds; PM steps back
  4. Performing: High performance; team self-organises; PM empowers
  5. Adjourning: Project ends; team disbands; PM recognises contributions

Conflict Resolution Techniques

TechniqueDescriptionBest Use
Collaborate / Problem-solveWin-win; work through conflict to find solution both parties acceptBest long-term resolution
Compromise / ReconcileGive-and-take; both parties concede somethingTemporary or partial solution
Withdraw / AvoidPostpone or retreat from conflictNot currently important; more info needed
Smooth / AccommodateEmphasise areas of agreement; downplay differencesMaintain harmony; minor issues
Force / DirectOne party imposes solutionEmergency; decisiveness needed
ESE Tip: Best conflict resolution = Collaborate/Problem-solve (win-win). Worst = Force (win-lose). Tuckman stages: Forming→Storming→Norming→Performing→Adjourning. Pareto = 80% problems from 20% causes.
Key Facts & Exam Essentials
TopicKey Fact
Project lifecycle phasesInitiation → Planning → Executing → Monitoring & Controlling → Closing
Triple constraintScope, Time, Cost (Quality at centre)
WBS 100% ruleWBS must capture 100% of project work
WBS orientationDeliverable-oriented (not activity-oriented)
PERT formulatₑ = (tₒ + 4tₘ + tₚ)/6; σ² = [(tₚ−tₒ)/6]²
CPM vs PERTCPM = deterministic (1 time estimate); PERT = probabilistic (3 estimates)
Fast trackingOverlap sequential activities; increases risk
CrashingAdd resources to critical path; increases cost
CPI formulaCPI = EV/AC; <1 = over budget
SPI formulaSPI = EV/PV; <1 = behind schedule
CV formulaCV = EV − AC; negative = over budget
SV formulaSV = EV − PV; negative = behind schedule
EAC formulaEAC = BAC/CPI
Risk = AvoidEliminate threat by eliminating its cause
Risk = TransferInsurance, contracts shift risk to third party
Risk = MitigateReduce probability or impact of threat
Tuckman stagesForming → Storming → Norming → Performing → Adjourning
Best conflict resolutionCollaborate/Problem-solve (win-win)
QA vs QCQA = process audit (proactive); QC = product check (reactive)
Pareto principle80% of defects from 20% of causes
Scope creepUncontrolled scope expansion; major project risk
Project CharterFormally authorises project; issued by sponsor
Sunk costPast cost that cannot be recovered; irrelevant to future decisions