Double Stringer Staircase Detail Dwg !link! -

Every double stringer staircase detail DWG must comply with local building codes. While specific code requirements vary by jurisdiction, the following are common standards found in the International Building Code (IBC) and similar model codes:

For stringers: use 25–30 MPa concrete, design as inclined beam with main tension reinforcement along bottom, stirrups for shear.

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To keep your DWG file professional, clean, and easily editable by other project stakeholders, implement these drafting best practices: double stringer staircase detail dwg

Top and bottom mounting assemblies that anchor the staircase to the floor diaphragms. 2. Structural Types of Double Stringers

To create an accurate and effective double stringer staircase detail DWG, follow these best practices:

Support details for intermediate landings, typically featuring IPE profile beams for added stability. Why Use a Professional DWG Detail? Every double stringer staircase detail DWG must comply

FIELD VERIFY ALL RISER AND RUN DIMENSIONS ON SITE PRIOR TO FABRICATION. HELD DIMENSIONS TAKE PRECEDENCE OVER SCALE DRAWINGS.

Provides contractors with explicit, dimensioned drawings, which minimizes site misunderstandings and expensive rework.

In terms of positioning, dual stringers offer exceptional versatility—they can be placed in the centre of the stairs or along the sides, making them compatible with almost any compliant tread design, which is especially useful for outdoor stairs such as deck access. This link or copies made by others cannot be deleted

| Component | Material | Dimensions / Specs | |-----------|----------|--------------------| | | Steel chequer plate or concrete | 250–300 mm depth x 1000–1200 mm width | | Risers | Steel plate or concrete | 150–180 mm height | | Two outer stringers | Steel channel (e.g., ISMC 200) or concrete beam | 200–250 mm web height, 10–12 mm thickness | | Intermediate support stringer (if central double stringer means two side + one middle) | Steel channel or I-section (e.g., ISMB 150) | As required by span | | Landing beam | Steel I-section | At top & bottom | | Handrail & baluster | Steel pipe (42.4 mm OD) / square bar | 900–1100 mm height | | Base plate | Steel plate | 200x200x12 mm with anchor bolts (M16) |

: Vertical guardrail posts attached directly to the outer sides of the stringers. Common Types of Double Stringer Configurations

Min 11 inches (commercial) or 10 inches (residential).