For Singapore Land Transport Authority (LTA) Mass Rapid Transit (MRT) projects, a schedule B4 -Degree Finish Dates with 1st Fix, 2nd Fix and 3rd Fix/Final Fix milestones for each of the Category A, B, C and D rooms and Key Finish milestones dates including Trackworks installation, 3rd Rail DC Power, Internal Overpressure Test, GenSet Test, Overpressure and Airflow Regime Test and Civil Defence Integrated Systems Test will be issued. Above is a sample.