Glossary

Activity An operation on a network which takes time (or other resources) and is indicated by an arrow.

Actual cost of work performed (ACWP) Cumulative actual cost (in money or manhours) of work booked in a specific period.

Actual hours The manhours actually expended on an activity or contract over a defined period.

Adjudication Procedure for resolving a dispute by appointing an independent adjudicator.

Advance payment bond Bond given in return for advanced payment by client.

Analytical estimates Accurate estimate based on build up of all material and labour requirements of the project.

AoN Activity on Node.

AoA Activity on Arrow.

Arbitration Dispute resolution by asking an arbitrator to make a decision.

Arithmetical analysis A method for calculating floats arithmetically.

Arrow A symbol on a network to represent an activity or dummy.

Arrow diagram A diagram showing the interrelationships of activities.

Back end The fabrication, construction, and commissioning stage of a project.

Backward pass A process for subtracting durations from previous events, working backwards from the last event.

Banding The subdivision of a network into horizontal and vertical sections or bands to aid identification of activities and responsibilities.

Bar chart See Gantt chart.

Belbin type One of nine characteristics of a project team member as identified by Meredith Belbin’s research programme.

Beta (b) distribution Standard distribution giving the expected time te = (a + 4m + b)/6.

Bid Bond Bond required with quotation to discourage withdrawal of bid.

Bond Guarantee given (for a premium), by a bank or building society as a surety.

Budget Quantified resources to achieve an objective, task or project by a set time.

Budgeted cost of work performed (BCWP) See Earned Value.

Budgeted cost of work scheduled (BCWS) Quantified cost (in money or manhours) of work scheduled (planned) in a set time.

Budget hours The hours allocated to an activity or contract at the estimate or proposal stage.

Business case The document setting out the information and financial plan to enable decision makers to approve and authorize the project.

Calendar Time scale of programme using dates.

Capital cost The project cost as shown in the balance sheet.

Cash flow Inward and outward movement of money of a contract or company.

Change control The process of recording, evaluating, and authorizing project changes.

Change management The management of project variations (changes) in time, cost, and scope.

Circle and link method See Precedence diagram.

Close out procedure The actions implemented and documents produced at the end of a project.

Close-out report The report prepared by the project manager after project close-out.

Comparative estimates Estimates based on similar past project costs.

Computer analysis The method for calculating floats, etc., using a computer.

Conciliation The first stage of dispute resolution using a conciliator to improve communications and understanding.

Configuration management The management of the creation, maintenance, and distribution of documents and standards.

Conflict management Management of disputes and disagreements using a number of accepted procedures.

Contingency plan Alternative action plan to be implemented when a perceived risk materializes.

Counter-trade Payment made of goods or services with materials or products that can be sold to pay for the items supplied.

Cost/benefit analysis Analysis of the relationship between the cost and anticipated benefit of a task or project.

Cost breakdown structure (CBS) The hierarchical breakdown of costs when allocated to the work packages of a WBS.

Cost code Identity code given to a work element for cost control purposes.

Cost control The ability to monitor, compare, and adjust expenditures and costs at regular and sufficiently frequent intervals to keep the costs within budget.

Cost performance index The ratio of the earned value (useful) cost and the actual cost.

Cost reporting The act of recording and reporting commitments and costs on a regular basis.

Cost variance The arithmetical difference between the earned value cost and the actual cost. This could be positive or negative.

CPA Critical path analysis. The technique for finding the critical path and hence the minimum project duration.

CPM Critical path method. See CPA

CPS Critical path scheduling. See CPA.

Critical activity An activity on the critical path which has zero float.

Critical path A chain of critical activities, i.e., the longest path of a project.

Dangle An activity that has a beginning node but is not connected at its end to a node that is part of the network.

Deliverable The end product of a project or defined stage.

Dependency The restriction on an activity by one or more preceding activities.

Direct cost The measurable cost directly attributed to the project.

Discounted Cash Flow (DCF) Technique for comparing future cash flows by discounting by a specific rate.

Distribution schedule A tabular record showing by whom and to whom the documents of a project are distributed.

Dummy activity A timeless activity used as a logical link or restraint between real activities in a network.

Duration The time taken by an activity.

Earliest finish The earliest time at which an activity can be finished.

Earliest start The earliest time at which an activity can be started.

Earned value hours See Value hours.

End event The last event of a project.

Estimating Assessment of costs of a project.

EVA Earned Value Analysis.

Event The beginning and end node of an activity, forming the intersection point with other activities.

Expediting Action taken to ensure ordered goods are delivered on time. Also known a progress chasing.

Feasibility study Analysis of one or more courses of action to establish their feasibility or viability.

Feedback The flow of information to a planner for updating the network.

Float The period by which a non-critical activity can be delayed.

Free float The time by which an activity can be delayed without affecting a following activity.

Forward pass A process for adding durations to previous event times starting at the beginning of a project.

Front end The design and procurement stage of a project. This may or may not include the manufacturing period of equipment.

Functional organization Management structure of specialist groups carrying out specific functions or services.

Gantt chart A programming technique in which activities are represented by bars drawn to a time scale and against a time base.

Graphics Computer generated diagrams.

Graphical analysis A method for calculating the critical path and floats using a linked bar chart technique.

Grid Lines drawn on a network sheet to act as coordinates of the nodes.

Hammock An activity covering a number of activities between its starting and end node.

Hardware The name given to a computer and its accessories.

Herzberg’s theory The hygiene factors and motivators that drive human beings.

Histogram A series of vertical columns whose height is proportional to a particular resource or number of resources in any time period.

Incoterms International trade terms for shipping and insurance of freight.

Independent float The difference between free float and the slack of a beginning event.

Indirect cost Cost attributable to a project, but not directly related to an activity or group within the project.

Input The information and data fed into a computer.

Interface The meeting point of two or more networks or strings.

Interfering float The difference between the total float and the free float. Also the slack of the end event.

Internal Rate of Return (IRR) The discount rate at which the Net Present Value is zero.

Investment appraisal Procedure for analysing the viability of an investment.

Key performance indicators (KPI) Major criteria against which the project performance is measured.

Ladder A string of activities which repeat themselves in a number of stages.

Lag The delay period between the end of one activity and the start of another.

Latest finish The latest time at which an activity can be finished without affecting subsequent activities.

Latest start The latest time at which an activity can be started without delaying the project.

Lead The time between the start of one activity and the start of another.

Leadership The ability to inspire and motivate others to follow a course of action.

Lester diagram Network diagram that combines the advantages of arrow and precedence diagrams.

Letter of intent Document expressing intention by client to place an order.

Line of balance Planning technique used for repetitive projects, subprojects, or operations.

Litigation Act of taking a dispute to a court of law for a hearing before a judge.

Logic The realistic interrelationship of the activities on a network.

Logic links The link line connecting the activities of a precedence diagram.

Loop A cycle of activities that returns to its origin.

Manual analysis The method for calculating floats and the critical path without the use of a computer.

Maslow’s hierarchy of needs The five stages of needs of an individual.

Master network Coordinating network of subnetworks.

Matrix The table of activities, durations, and floats used in arithmetical analysis.

Matrix organization Management structure where functional departments allocate selected resources to a project.

Mediation Attempt to settle a dispute by joint discussions with a mediator.

Menu Screen listing of software functions.

Method statement Narrative or graphical description of the methods envisaged to construct or carry out selected operations.

Milestones Key event in a project which takes zero time.

Milestone slip chart Graph showing and predicting the slippage of milestones over the project period.

Negative float The time by which an activity is late in relation to its required time for meeting the programme.

Negotiation Attempt to reach a result by discussion which is acceptable to all sides.

Net Present Value (NPV) Aggregate of discounted future cash flows.

Network A diagram showing the logical interrelationships of activities.

Network analysis The method used for calculating the floats and critical path of a network.

Network logic The interrelationship of activities of a planning network.

Node The intersection point of activities. An event.

Organization breakdown structure (OBS) Diagrammatic representation of the hierarchical breakdown of management levels for a project.

Organogram Family tree of an organization showing levels of management.

Output The information and data produced by a computer.

P3 Primavera Project Planner.

Parametric estimates Estimates based on empirical formulae or ratios from historical data.

Pareto’s law Doctrine which shows that approx. 20% of causes create 80% of problems. Also known as 80/20 rule.

Path The unbroken sequence of activities of a network.

Performance bond Bond that can be called by client if contractor fails to perform.

PERT Programme Evaluation and Review Technique. Another name for CPA.

PESTEL Political, Economic, Sociological, Technical, Legal, Environmental.

Phase A division of the project life cycle.

Portfolio management Management of a group of projects not necessarily related.

Post project review History and analysis of successes and failures of project.

Planned cost The estimated (anticipated) cost of a project.

Precedence network A method of network programming in which the activities are written in the node boxes and connected by lines to show their interrelationship.

Preceding event The beginning event of an activity.

Printout See Output.

Procurement Operation covering tender preparation, bidder selection, purchasing, expediting, inspection, shipping, and storage of goods.

Product Breakdown Structure (PBS) Hierarchical decomposition of a project into various levels of products.

Program The set of instructions given to a computer.

Programme A group of related projects.

Programme management Management of a group of related projects.

Programme manager Manager of a group of related projects.

Progress report A report that shows the time and cost status of a project, giving explanations for any deviations from the programme or cost plan.

Project A unique set of co-ordinated and controlled activities to introduce change within defined time, cost, and quality/performance parameters.

Project context See project environment.

Project environment The internal and external influences of a project.

Project close-out The shutting down of project operations after completion.

Project life cycle All the processes and phases between the conception and termination of a project.

Project management The planning, monitoring and controlling of all aspects of a project.

Project management plan (PMP) A document which summarizes of all the main features encapsulating the Why, What, When, How, Where, and Who of a project.

Project manager The individual who has the authority, responsibility, and accountability to achieve the project objectives.

Project organization Organization structure in which the project manager has full authority and responsibility of the project team.

Project task force See Task force.

Quality assurance Systematic actions required to provide confidence of quality being met.

Quality audit Periodic check that quality procedures have been carried out.

Quality control Actions to control and measure the quality requirements.

Quality management The management of all aspects of quality criteria, control, documentation, and assurance.

Quality manual Document containing all the procedures and quality requirements.

Quality plan A plan that sets out the quality standards and criteria of the various tasks of a project.

Quality policy Quality intentions and directions set out by top management.

Quality programme Project-specific document that defines the requirements and procedures for the various stages.

Quality review Periodic review of standards and procedures to ensure applicability.

Quality systems Procedures and processes and resources required to implement quality management.

Random numbering The numbering method used to identify events (or nodes) in which the numbers follow no set sequence.

Requirements management Capture and collation of the client’s or stakeholders’ perceived requirements.

Resource The physical means necessary to carry out an activity.

Resource levelling See Resource smoothing.

Resource smoothing The act of spreading the resources over a project to use the minimum resources at any one time and yet not delay the project.

Responsibility code Computer coding for sorting data by department.

Responsibility matrix A tabular presentation showing who or which department is responsible for set work items or packages.

Retention bond Bond given in return for early payment of retention monies.

Retentions Moneys held by employer for period of maintenance (guarantee) period.

Return on capital employed Profit (before interest and tax) divided by the capital employed given as a %.

Return on Investment (ROI) Average return over a specified period divided by the investment given as a %.

Risk The combination of the consequences and likelihood of occurrence of an adverse event or threat.

Risk analysis The systematic procedures used to determine the consequences or assess the likelihood of occurrence of an adverse event or threat.

Risk identification Process for finding and determining what could pose a risk.

Risk management Structured application of policies, procedures, and practices for evaluating, monitoring, and mitigating risks.

Risk management plan Document setting out strategic requirements for risk assessment and procedures.

Risk register Table showing the all identified risks, their owners, degree of P/I, and mitigation strategy.

Schedule See Programme.

Schedule Performance Index The ratio of earned value cost (or time) and the planned cost (or time).

Schedule variance The arithmetical difference between the earned value cost (or time) and the planned cost (or time).

Sequential numbering The numbering method in which the numbers follow a pattern to assist in identifying the activities.

Situational leadership Adaptation of management style to suit the actual situation the leader finds him/herself in.

Slack The period between the earliest and latest times of an event.

Slip chart See milestone slip chart.

SMAC Site manhour and cost. The name of the computer program developed by Foster Wheeler Power Products Limited for controlling manhours in the field.

Software The programs used by a computer.

Sponsor The individual or body who has primary responsibility for the project and is the primary risk taker.

Stakeholder Person or organization who has a vested interest in the project. This interest can be positive or negative.

Statement of Work (SOW) Description of a work package that defines the project performance criteria and resources.

Start event The first event of a project or activity.

Subcontract Contract between a main contractor and specialist subsidiary contractor (subcontractor).

Subjective estimates Approximate estimates based on ‘feel’ or ‘hunch’.

Subnetwork A small network that shows a part of the activities of a main network in greater detail.

Succeeding event The end event of an activity.

Task The smallest work unit shown on a network programme (see also Activity).

Task data The attributes of a task such as duration, start and end date, and resource requirement.

Task force Project organization consisting of a project team that includes all the disciplines and support services under the direction of a project manager.

Teamwork The act of working harmoniously together in a team to produce a desired result.

Time estimate The time or duration of an activity.

Toolbar The list of function icons on a computer screen.

Topological numbering A numbering system where the beginning event of an activity must always have a higher number than the events of any activity preceding it.

Total float The spare time between the earliest and latest times of an activity.

Total quality management (TQM) Company-wide approach to quality beyond prescriptive requirements.

Updating The process of changing a network or programme to take into account progress and logic variations.

Value engineering The systems used to ensure the functional requirements of value management are met.

Value hours The useful work hours spent on an activity. This figure is the product of the budget hours and the percentage complete of an activity or the whole contract.

Value management Structured means aimed at maximizing the performance of an organization.

Variance Amount by which a parameter varies from its specified value.

Weightings The percentage of an activity in terms of manhours or cost of an activity in relation to the contract as a whole, based on the budget values.

Work breakdown structure (WBS) Hierarchical decomposition of a project into various levels of management and work packages.

Work package Group of activities within a specified level of a work breakdown structure.