Window,Start Date,End Date,Pre Completion,Post Completion,Net Delay (wd),Cumulative (wd)
W1,2025-02-03,2025-03-31,2025-09-11,2025-09-23,8,8
W2,2025-03-31,2025-06-30,2025-09-23,2025-10-02,7,15
W3,2025-06-30,2025-09-30,2025-10-02,2025-10-06,2,17