WBS Cost Estimation Tool

challenge

Challenge 5

brief

WBS Cost Estimation Tool developed a desktop‑based Work Breakdown Structure (WBS) and Cost Breakdown Structure (CBS) estimation tool that supports structured cost entry, versioned change tracking, and comparison of estimates against actuals across the project lifecycle.

Please be aware that this content was generated follwing an automated review so may not be perfectly accurate; refer to the original challenge brief and team files for authoritative information

key outcomes

Expected to improve cost certainty and auditability, reduce manual effort in maintaining estimates, and enable earlier identification of cost variance through structured data capture and change logging.

important files

• Submission docs/Tool_with_changelog_viewer.py: GUI-based WBS estimation tool with persistent storage and a detailed change log for tracking estimate evolution.
• Submission docs/WBS_CBS_tool.py: Combined WBS and CBS estimation interface supporting structured cost entry and database-backed storage.
• Submission docs/wbs_db_viewer.py: Utility script to inspect and export stored WBS estimation data from the database.

details

team: WBS Cost Estimation Tool members: tbc topics: solution-centre, hack25, challenge5, python, tkinter, sqlite, pandas, excel, cost-management, cost-estimation, project-controls, automation, financial-performance, data-governance technologies: Python, Tkinter, SQLite, Pandas, Excel