Stair Specs & Resources < Back To The Resource Center Find us in MasterSpec Installation guide BIM Files CSI 3-Part Spec Environmental Sample Elevation/Plans Catalog Installation Guide Upside Innovations’ modular, aluminum stairs are prefabricated in parts, so installation is simple and quick. Specifications Download BIM Files [ZIP] Multi-Story Stair CSI Spec [PDF] Step and Ramp CSI Spec [PDF] LEED / HPD Elevation & Plan Views Below are sample stair drawings from 1′-5′. If you choose to work with us on your upcoming project, we will design custom drawings just for you. 12″ ADA Step 14″ ADA Step 18″ ADA Step 21″ ADA Step 24″ ADA Step 26″ ADA Step 28″ ADA Step 30″ ADA Step 32.5″ ADA Step 35″ ADA Step 39″ ADA Step 42″ ADA Step 45.5″ ADA Step 49″ ADA Step 52″ ADA Step 54″ ADA Step 56″ ADA Step 60″ ADA Step