A glossary of project planning and scheduling terms and definitions.

Abbreviation Definition
ACWP Actual Cost of Work Performed.
BAC Budget at Completion.
BCWP Budget Cost of Work Performed.
BCWS Budget Cost of Work Scheduled.
CBS Cost Breakdown Structure.
CPI Consumer Price Index.

Cost Performance Index (EVM).

CPM Critical Path Method.
CSR Corporate Social Responsibility.
EAC Estimate at Completion.
EOI Expression of Interest.
ETC Estimate to Complete.
EV Earned Value.
EVM Earned Value Management.
FF Finish-to-Finish. An activity relationship type.
FRP Form Reo Pour. Usually used to describe activities to place formwork, lay steel reinforcing and pour concrete for reinforced concrete structures.
FS Finish-to-Start. An activity relationship type.
Hard Constrained Activity A hard constrained activity is one that has a “Must Start On”, “Start No Later Than”, “Must Finish On”, and/or “Finish No Earlier Than” constraint.
HV High Voltage.
IMS Integrated Management System.
KPI Key Performance Indicator.
LCC Life Cycle Costing.
MS Microsoft.
MSB Main Switchboard.
PBS Product Breakdown Structure.
PMP Project Management Plan.
PV Planned Value.
RDO Rostered Day Off.
RFQ Request for Quotation.
RFT Request for Tender.
SF Start-to-Finish. An activity relationship type.
SMART Specific, Measurable, Assignable, Realistic, and Time-related (Doran et al., 1981).
SPI Schedule Performance Index.
SS Start-to-Start. An activity relationship type.
WBS Work Breakdown Structure.
WIP Work in Progress.


DORAN, G., MILLER, A. & CUNNINGHAM, J. 1981. There’s a S.M.A.R.T. way to write management’s goals and objectives. Management Review, 70, 35-36.