1-1 profile, 6-1, 1-6 elevation, A-C, C-A elevation, elevation ± 0.000 beam plane method construction drawing, elevation 3.300 beam plane method construction drawing, elevation 6.600 beam plane method construction drawing, elevation 9.900 beam plane method construction drawing, elevation 13.200 beam plane method construction drawing, engineering practice, architectural design description, structural design description, stair level