EboraBot PM Tool Bundle — Ebora

🧰 PM Tool Bundle

Four construction-management calculators in one — a Gantt + CPM schedule analyzer, a Resource Leveling histogram & smoother, an Equipment Productivity estimator, and a Crew Balance tool. Build it, see the chart, download the report.

🆓 Free to use. Sign in to save your Ebora Points balance & export PDF reports.

📅 Activities

Enter each activity, its duration (days), and its predecessor IDs (comma-separated; blank = starts at the beginning).

ID	Name	Duration	Predecessors

Schedule results

Critical (TF = 0) Float

Gantt chart (early-start)

⚖️ Resource demand by activity

Enter each activity's early-start day (start of project = day 0 or 1, your choice), duration (days), resource units needed per day (e.g. workers), and total float (days it can slide; 0 = critical).

Activity	Start day	Duration	Res./day	Float

Resource histogram

Before leveling (early-start)

After greedy leveling (within float)

Leveling here is a greedy series-method heuristic (it slides each floatable activity within its float to flatten the peak); it does not guarantee the mathematical optimum. Use it to understand the idea, then check against your course method.

Production of one excavator / loader / scraper from its cycle.

Bucket / heaped capacity Q (m³)

Bucket fill factor F (0–1)

Cycle time Cm (min)

Job efficiency E (0–1, or min/hr ÷60)

Soil swell % (loose vs bank)

Working hours / day

Match trucks to a loader and find the fleet production & match factor.

Loader bucket Q (m³)

Loader fill factor F (0–1)

Loader cycle time (min)

Truck capacity (m³)

Truck haul + dump + return + spot (min)

Job efficiency E (0–1)

Productivity

Capacities, fill factors, cycle times and efficiencies are indicative — confirm against the actual equipment specs, soil conditions and your course references.

Duration, man-days and unit labor cost from a crew's daily output.

Work quantity

Unit

Crew output / day

Crew composition (role · number · daily wage ₱)

Role	No.	Wage/day ₱

Hours / day

Target output / day (optional)

Enter each crew member's working time per cycle (min). The cycle is paced by the busiest member; idle time and balance efficiency follow.

Member / station	Work time/cycle (min)