CONSTRUCTION LABOR FORECAST VS ACTUAL — HOURS PLANNED, HOURS BURNED.
The labor forecast is the estimate converted to a weekly deployment schedule: this many hours, this week, on this phase. The actual is what the timecards say happened. The gap between the two — visible weekly from current timecard data — is the earliest and most reliable signal of whether a project is on track financially. A phase running 15% over on labor hours at 40% completion will close at a labor overrun unless something changes. Identifying it at 40% complete means something can still change.
SPM builds the labor forecast at project start and tracks actual vs planned weekly from timecard data. Phases trending over trigger a cost-to-complete update and an action item in the monthly job review. No waiting for closeout to discover the gap.
THE GAP BETWEEN PLANNED HOURS AND ACTUAL HOURS IS THE FINANCIAL STORY OF YOUR PROJECT.
Labor Hours Planned by Phase From the Estimate
The labor forecast starts in the estimate: estimated hours by phase, by work type, by labor classification. On a $500,000 concrete project, the estimate might show 600 foreman hours, 1,800 journeyman hours, and 400 laborer hours across 4 phases. That is the labor plan. The 13-week cash forecast converts those hours to weekly payroll cost by modeling which phases are active in which weeks and what the weekly labor deployment will be. The resulting weekly labor cost forecast tells the owner: this is what crew will cost per week for the next 13 weeks if the project runs to schedule.
Weekly Timecards Converted to Actual Hours and Cost by Phase
Actual labor is what the timecards say. Each week, hours by phase and labor classification are entered from timecard data. Cumulative actual hours are compared to cumulative planned hours at the same point in the project. The variance — actual minus planned — tells the PM whether the labor deployment is on schedule, ahead, or behind. When actual hours are running above planned at the same physical completion, the labor forecast for the remaining scope needs to be updated. The cost-to-complete increases. The projected final cost increases.
How Labor Forecast vs Actual Improves Future Estimates
A project that tracked labor forecast vs actual consistently through completion produces one data point: the actual labor hours required to perform this scope type in this market with this crew. After 6–12 projects with consistent tracking, the estimate template for that scope type is built from documented reality. The labor forecast on future estimates is not a guess — it is a projection from what actually happened on comparable work. The estimating accuracy improvement compounds over time.
THE WEEKLY PROCESS THAT CLOSES THE GAP BETWEEN ESTIMATE AND REALITY.
The estimating database: Every CFOS client builds a labor tracking history over 12–24 months of engagement. That history is the most accurate input to future estimates the contractor has. SPM provides an annual estimate accuracy review that compares estimated to actual labor hours by scope type and updates the bid template for the next year.
FREQUENTLY ASKED.
