1592953489000 1312632483000 term-53886 1616541452538 1312632548000 1616290396764 adlib fitz-online adlib-term-53886 bd420661-d7b3-3d79-a04d-0e1460561340 2 1 scope note Stairs with landings at which the stair turns 90 degrees; for stairs that turn 90 degrees as they progress from bottom to top, use "quarter-turn stairs." reference term-53885 adlib-term-53885 c19763bd-0d0b-3906-895d-fe70f210fac0 quarterpace stair V.PJ.AFU.ALO.ARI.BIQ.AXC.AFU.AFU.BUE.AFU 1 code V.PJ.AFU.ALO.ARI.BIQ.AXC.AFU.AFU.BUE.AFU 1 quarterpace stairs reference term-53887 adlib-term-53887 57d27cec-4bd9-35c5-bbc2-c234d7610226 <stairs by form: landings> quarterpace stairs term