Factors Determining the Location of Stairs for SS 3

Class: SS 3
Term: First Term
Week: 8
Age: 16 years
Duration: 45 minutes
Subject: Carpentry and Joinery
Curriculum Theme: Building Construction and Services
Previous Lesson: Construction of Common Prefabricated Structures
Topic: Factors Determining the Location of Stairs
Subject Matter: location stairs

Specific Objectives

By the end of the lesson, pupils/students should be able to:

Cognitive Domain

• Identify at least five factors that determine the location of stairs.
• Explain the importance of each factor in stair placement.
• State the purpose of considering various factors before locating stairs.

Affective Domain

• Appreciate the necessity of adhering to building codes and safety standards when locating stairs.
• Show willingness to consider multiple factors for optimal stair placement.

Psychomotor Domain

• Sketch a simple floor plan indicating a suitable stair location based on given factors.
• Demonstrate how to assess a space for appropriate stair positioning.

Reference Materials

The following resources were used in planning this lesson:

• 2025 Revised 9 Years Basic Education Curriculum
• Relevant State Unified Scheme of Work
• Building Construction and Carpentry textbooks for SS 3
• The HeadTeacher Scheme of work

Instructional Materials

The teacher will teach this lesson with the aid of:

• Chalkboard/Whiteboard
• Markers/Chalk
• Diagrams of various floor plans
• Sketches of different stair types
• Building plans showing stair locations

Rationale for the Lesson

Understanding the factors that determine stair location is fundamental for students pursuing carpentry and joinery. This knowledge ensures that stairs are not only structurally sound but also safe, functional, and aesthetically integrated into a building design. It prepares students to make informed decisions in real-world construction projects.

Prerequisite/Previous Knowledge

Students should have basic knowledge of building components, different types of stairs, and fundamental principles of building design.

Lesson Content/Board Summary

Factors Determining the Location of Stairs

The proper location of stairs in a building is crucial for safety, functionality, and overall design. Several factors must be carefully considered:

1. Access and Circulation

Stairs should be located conveniently to provide easy access to and from different floor levels. They should not obstruct movement or create bottlenecks. Good circulation ensures a smooth flow of people within the building.

1. Convenience: Stairs should be easily accessible from main entrances and frequently used areas.
2. Flow: Avoid placing stairs in areas that disrupt natural traffic patterns.

2. Structural Considerations

The building’s structure must be able to support the weight of the stairs and the people using them. This involves assessing the load-bearing capacity of floors and walls.

1. Load Bearing: Ensure adequate support from beams, columns, or load-bearing walls.
2. Foundation: Consider the impact of stair loads on the building’s foundation.

3. Headroom

Sufficient clear headroom must be maintained above all parts of the staircase to prevent users from hitting their heads. This is a critical safety requirement.

1. Minimum Clearance: Adhere to specified minimum headroom requirements (e.g., 2.0m or 6 feet 8 inches).
2. Obstructions: Avoid placing stairs where beams or other structural elements would reduce headroom.

4. Lighting and Ventilation

Stairs should ideally be located where they can receive natural light and ventilation. This enhances safety, reduces reliance on artificial lighting, and improves comfort.

1. Natural Light: Proximity to windows or skylights is beneficial.
2. Air Circulation: Good ventilation prevents stuffiness and improves air quality.

5. Building Regulations and Codes

Local building codes and regulations dictate many aspects of stair design and location, including minimum dimensions, fire safety requirements, and accessibility standards.

1. Fire Egress: Stairs often serve as primary escape routes in emergencies, requiring specific locations and fire ratings.
2. Accessibility: Compliance with regulations for disabled access (e.g., ramps alongside stairs, lift provision).
3. Dimensions: Adherence to minimum rise, going, width, and landing sizes.

6. Aesthetics and Design Integration

The location of stairs can significantly impact the visual appeal and overall design of a building. They should integrate harmoniously with the architectural style.

1. Visual Impact: Stairs can be a focal point or blend seamlessly into the background.
2. Space Utilisation: Consider how stairs affect the perception and use of adjacent spaces.

7. Space Availability

The physical space available within a building is a practical constraint that influences stair location and type.

1. Floor Area: Stairs require a significant amount of floor space, which must be allocated efficiently.
2. Layout: The overall floor plan will guide possible locations for the staircase.

Teaching Methods/Instructional Techniques

Discussion, Explanation, Question and Answer, Demonstration, Visual Aids, Guided Practice

Instructional Procedures

Step 1: Introduction

Time: 5 minutes

Teaching Skill: Engaging/Recalling

Teacher’s Activity: The teacher greets the students and asks them to recall different types of stairs they have learned about. The teacher then asks them where stairs are usually found in buildings they know.

Pupils’ Activity: Pupils respond by mentioning types of stairs (e.g., straight flight, dog-legged) and common locations like near entrances or in hallways.

Learning Point: Prior knowledge recall

Step 2: Explanation of Stair Purpose

Time: 7 minutes

Teaching Skill: Explanation/Clarification

Teacher’s Activity: The teacher explains the primary purpose of stairs as a means of vertical circulation between different levels of a building. The teacher highlights that their effective placement is key to safety and functionality.

Pupils’ Activity: Pupils listen attentively and ask questions for clarification on the importance of stair placement.

Learning Point: Stair purpose explanation

Step 3: Introduction of Factors

Time: 7 minutes

Teaching Skill: Introduction/Listing

Teacher’s Activity: The teacher introduces the concept that various factors influence where stairs are placed. The teacher writes “Factors Determining the Location of Stairs” on the board and begins to list the main categories, such as Access, Structure, and Safety.

Pupils’ Activity: Pupils listen and note down the main categories of factors introduced by the teacher.

Learning Point: Introduction to factors

Step 4: Discussing Key Factors (Access, Structure, Headroom)

Time: 8 minutes

Teaching Skill: Elaboration/Discussion

Teacher’s Activity: The teacher explains in detail the factors of Access and Circulation, Structural Considerations, and Headroom. The teacher uses diagrams of floor plans to illustrate good and bad placements regarding these factors.

Pupils’ Activity: Pupils participate in the discussion, observe the diagrams, and ask questions about how these factors apply.

Learning Point: Key placement factors

Step 5: Discussing Other Factors (Lighting, Regulations, Aesthetics, Space)

Time: 8 minutes

Teaching Skill: Explanation/Examples

Teacher’s Activity: The teacher continues by explaining Lighting and Ventilation, Building Regulations and Codes, Aesthetics and Design Integration, and Space Availability. The teacher gives examples of how each factor influences decisions.

Pupils’ Activity: Pupils listen to the explanations and examples, making mental notes of the practical implications of each factor.

Learning Point: Additional placement factors

Step 6: Practical Application/Discussion

Time: 5 minutes

Teaching Skill: Application/Critical Thinking

Teacher’s Activity: The teacher presents a simple floor plan and asks students to suggest the best location for a staircase, justifying their choice based on the factors discussed. The teacher guides them to consider all aspects.

Pupils’ Activity: Pupils discuss in pairs or small groups and then share their suggested stair locations and reasons with the class.

Learning Point: Practical location considerations

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

1. Mention three factors that determine the location of stairs.
2. Why is structural consideration important when locating stairs?
3. What is the purpose of ensuring adequate headroom on a staircase?
4. How do building regulations influence stair placement?

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Understanding stair location

Step 8: Note-Taking

Time: 4 minutes

Teaching Skill: Guided Writing

Teacher’s Activity: The teacher guides pupils/students to copy the essential Board Summary notes on factors determining stair location into their notebooks.

Pupils’ Activity: Pupils/students copy the notes carefully into their notebooks.

Learning Point: Copying key notes

Step 9: Conclusion

Time: 1 minute

Teaching Skill: Summarising

Teacher’s Activity: The teacher briefly reminds the students that careful consideration of all factors is paramount for safe, functional, and aesthetically pleasing stair design and placement. The teacher encourages them to always apply this knowledge.

Pupils’ Activity: Pupils listen and acknowledge the importance of the lesson.

Learning Point: Reinforcing stair location

Continuous Assessment/Further Study

Type: Homework

Instruction: Research and write short notes on the following:

1. Find out the minimum headroom requirement for stairs according to Nigerian building codes.
2. Draw a simple two-storey building floor plan and indicate a suitable location for a dog-legged staircase, justifying your choice with at least three factors.

Lesson Keywords

• Stairs – A set of steps leading from one floor or level to another.
• Location – The specific place or position of something.
• Circulation – The movement of people or air within a building.
• Headroom – The clear vertical space above a staircase.
• Building Codes – Legal requirements for the design, construction, and alteration of buildings.
• Egress – The action of going out of or leaving a place.

Differentiation

For weaker learners, the teacher will provide simpler floor plans and focus on identifying just three key factors (e.g., access, structural support, headroom) with visual aids. Faster learners will be challenged to consider more complex building scenarios, such as multi-storey buildings or buildings with specific functional requirements, and discuss the trade-offs between different factors.

Suggested Lesson Videos

Search on YouTube for: “Factors determining stair location in buildings” or “Staircase planning and design considerations”

Teacher Guide for Using This Lesson Plan

Before the lesson, ensure you have clear diagrams or sketches of various floor plans and different stair types. These visual aids are crucial for demonstrating the impact of each factor on stair placement. Begin by engaging students with their existing knowledge of stairs and their locations. Systematically explain each factor, using the visual aids to make the concepts concrete. Encourage active participation and critical thinking, especially when discussing practical applications. During Step 6, allow students to discuss and justify their choices for stair location on a sample floor plan. The Board Summary should be copied by students during Step 8. Pay close attention to students’ understanding during the evaluation in Step 7, providing immediate feedback and clarification. For weaker learners, simplify the examples and focus on core concepts. For advanced learners, introduce scenarios that require balancing conflicting factors.