Staircase Design: Plan, Section & RCC Reinforcement for Homes

Staircase Design with Reinforcement Details – Plan, Section & Structural details

This staircase plan is a type of well organized L-shaped layout which has 25 steps. divided into two flights connected by a mid-landing. Designing a staircase for residential or commercial buildings requires careful consideration of functionality, safety, and structural integrity. In this blog post, we explore a reinforced concrete staircase design with detailed drawings including plan, section, and reinforcement specifications. Whether you're an architect, civil engineer, or student, this practical guide will help you understand the key components of staircase construction.

🔷 Staircase Plan Overview

This staircase plan is designed in L-shape configuration. Which has 25 steps and has a landing in the center. The proper detail of this type of staircase is mentioned through the staircase plan.The stairs start from the ground floor and rise to a total slab height of 3980 mm.

• Landing dimensions:- 1148 mm
• Width of staircase:- 1148 mm
• Tread (step depth):- 281 mm
• Riser (step height):- 159 mm
• Beam Size:- 9” x 12” with 3 nos. of 12 mm bars on top and bottom

🔷 Sectional Staircase Details

Here proper staircase detail section detail has been provided in which it is clearly mentioned in which direction the staircase will run, what is the size of riser, tread, and reinforcement detail has been provided. In which you can see proper detail has been mentioned below.

• Top landing level:- +3980 mm
• Mid landing level:- +2388 mm
• Bottom landing level:- +318 mm

Reinforcement Details:-

• Top Main Bar:- 10 mm dia
• Bottom Main Bar:-10 mm dia
• Stirrups:- 8 mm dia @ 6” c/c spacing

🔷 Structural Detailing and Steel Reinforcement

Each stair flight is reinforced for durability and load-bearing efficiency. The steel layout includes:-

• Top reinforcement (main): 10 mm
• Bottom reinforcement: 10 mm
• Transverse ties (stirrups): 8 mm @ 6” c/c

This reinforcement ensures proper load distribution and minimizes deflection and cracking.

🔷 Step Profile & Detailing

First Step Detail:-

• Height from floor:- 318 mm

Reinforced with horizontal and vertical rebars for support

• Front and Side Views:-

Accurate dimensions for tread and riser

• Bar placement for both main and distribution steel shown clearly

🔍 Key Highlights

• Suitable for G+1 and G+2 residential buildings
• Detailed structural drawing for on-site execution
• Optimization of steel and concrete for cost-effective design
• Ideal riser-tread ratio for comfort and safety

✅ Conclusion:-

A well-designed staircase not only enhances vertical circulation but also ensures structural safety and comfort. The reinforced concrete stair details shared here are ideal for standard residential buildings, ensuring a perfect balance between strength and aesthetics.

Understanding stair plan and section detail drawings is essential for both civil engineers and architects. This example provides clear insights into stair planning, structural detailing, and execution. Save this reference for future construction projects or use it for academic learning.

By following these design specifications and drawings, contractors and engineers can ensure efficient execution and compliance with building codes.