Best Staircase Design for Residential Use with All Drawing Details

🏗️ Staircase Plan and Section Details – Complete Guide with Dimensions and Reinforcement

This staircase is specially designed for residential building, in which less space is available, this staircase is designed using special technique. Staircases are an essential component of multi-storey buildings, providing vertical circulation and enhancing both functionality and aesthetics. In this blog post, we’ll discuss a residential staircase plan and section with full dimensions, reinforcement details, and specifications for civil engineering and architectural design professionals.

📐Staircase Plan Overview

The staircase layout is a dog-legged stair design — a compact and commonly used type in residential buildings. The plan dimensions are:-

• Overall staircase room:- 14'-4" (length) × 8'-10" (width)
• Flight width:- 3'-6"
• Landing size:- 3'-6" × 5'-0"
• Number of steps:- 22
• Direction:- Clockwise upward movement

This layout optimizes space within the building while maintaining user comfort and safety.

📏 Staircase Section A-A' with Step Details

The sectional drawing shows two flights and intermediate landings. The rise and tread dimensions ensure ease of use and comfort.

• Tread: 10"
• Riser:- 6.54"
• Landing Levels:-
• First Landing:- +2'9"
• Mid Landing:- +3'10"
• Mid Landing:- +8'9"
• Final Landing/Slab Level:- +12'0"
• Floor-to-floor height: 12'-0"

This arrangement offers a good balance of ergonomics and space efficiency.

🔩 Reinforcement Details (Structural Stair Design)

As per the stair section detail:-

• Main Steel (waist slab):- 10 mm @ 6" center to center
• Distribution Bars:- 10 mm @ 6" center to center

Concrete is laid with proper slope and supported on load-bearing side walls, ensuring durability and load transfer.

✅ Design Considerations

When designing a staircase like this, consider:-

• Headroom clearance:- Ensure a minimum of 6'-6" clearance.
• Anti-slip surface:- Use non-slip tiles or finishes.
• Handrail height:- 2.5' to 3' as per building code.
• Reinforcement anchorage:- Proper development length must be maintained.

📎Applications of This Stair Design

Residential buildings.
Small apartment blocks.
Duplex houses.
Internal service stairs.