Clean Water Project By UltraTakedown Period: Sep 23, 2021 to Sep 29, 2021 Research Paper Sep 29, 2021 Submit Research Paper Period: Sep 29, 2021 to Oct 4, 2021 Sketch Oct 4, 2021 Submit Sketch Period: Oct 4, 2021 to Oct 8, 2021 Drawing Oct 8, 2021 Submit Drawing Period: Oct 8, 2021 to Oct 12, 2021 Gather Materials Oct 12, 2021 Begin Building