High-strength base and top plates bolted into the concrete slab or landing beams to secure the staircase.
central beam, tread connection (welded/bolted/embedded), handrail post attachments, landing support, and foundations.
: If the stair includes a turn, details for intermediate landing frames and support columns. Tread & Nosing Details : Specifications for tread thickness (typically 1.5" to 4" ) and nosing overlaps (typically 1" to 1.5" Technical Specifications for Drafting Typical Standard Rise Height 4" to 7" (10–18 cm) Tread Depth Minimum 11" (28 cm) Incline Angle Approximately 35 degrees Tread Width 35" to 47" (900mm–1200mm) Sources for DWG Files
High-strength base and top plates bolted into the concrete slab or landing beams to secure the staircase.
central beam, tread connection (welded/bolted/embedded), handrail post attachments, landing support, and foundations.
: If the stair includes a turn, details for intermediate landing frames and support columns. Tread & Nosing Details : Specifications for tread thickness (typically 1.5" to 4" ) and nosing overlaps (typically 1" to 1.5" Technical Specifications for Drafting Typical Standard Rise Height 4" to 7" (10–18 cm) Tread Depth Minimum 11" (28 cm) Incline Angle Approximately 35 degrees Tread Width 35" to 47" (900mm–1200mm) Sources for DWG Files