Window,Start Date,End Date,Pre Completion,Post Completion,Net Delay (d),Cumulative (d)
W1,2025-02-03,2025-03-31,2025-09-12,2025-09-24,8,8
W2,2025-03-31,2025-06-30,2025-09-24,2025-10-03,7,15
W3,2025-06-30,2025-09-30,2025-10-03,2025-10-07,2,17