Lesson Notes By Weeks and Term - Senior Secondary 3

TERM – 2^ND TERM

WEEK SEVEN

Class: Senior Secondary School 3

Age: 17 years

Duration: 40 minutes of 5 periods each

Date:

Subject: Technical Drawing

Topic: BLUEPRINT

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

I.) Define a blueprint

II.) Discuss the importance of blueprint to construction.

III.) Read a blueprint.

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures,

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

NOTE

BLUEPRINT

A blueprint is a detailed technical drawing or plan that outlines the design and specifications of a building or structure. It typically includes information about dimensions, materials, and construction methods.

Blueprints are crucial in construction for several reasons:

1. They provide a visual representation of the final product, helping stakeholders, including architects, engineers, contractors, and clients, to understand the design intent.
2. Blueprints serve as a common language among professionals involved in the construction process, facilitating clear communication of ideas, requirements, and expectations.
3. They offer precise measurements and specifications, ensuring accuracy in construction and minimizing errors or misunderstandings during the building process.
4. Blueprints help in planning the sequence of construction activities and coordinating the efforts of different trades and teams involved in the project.
5. They often contain information required for obtaining permits and complying with building codes, zoning regulations, and safety standards.

How to read a blueprint

Reading a blueprint involves several steps:

1. Understand the Title Block: Start by examining the title block, which contains essential information such as the project name, drawing number, scale, date, and the names of the architect, engineer, and other relevant parties.

2. Review the Legend: Familiarize yourself with the symbols, abbreviations, and scales used in the blueprint. The legend provides key information about these elements.

3. Study the Plan Views: Begin with the plan views, which show the layout of the building from a top-down perspective. Pay attention to dimensions, walls, doors, windows, and other features.

4. Examine Elevations: Elevations depict the building's exterior views from different angles. Look for details such as heights, materials, and architectural features.

5. Analyze Sections: Sections provide vertical views of the building, showing details like wall thickness, ceiling heights, and structural elements. Study these to understand the building's internal structure.

6. Check Details and Notes: Look for detailed drawings and accompanying notes that provide additional information about specific elements, materials, construction methods, and other important details.

7. Consider Schedules: If applicable, review schedules such as door schedules, window schedules, or finish schedules, which provide detailed lists of components with specifications like sizes, quantities, and materials.

8. Evaluate Symbols and Annotations: Pay attention to symbols, annotations, and callouts throughout the blueprint, as they often convey important instructions, specifications, or references to other drawings.

9. Verify Dimensions: Double-check dimensions and scale to ensure accuracy. Use the scale provided on the blueprint to accurately measure distances and dimensions.

10. Refer to Specifications: If available, refer to the project specifications document for additional information on materials, finishes, and construction requirements that may complement the blueprint.

EVALUATION: 1. Sketch the Plan below.

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively