Lesson Notes By Weeks and Term - Junior Secondary 3

Simple blue print reading

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TERM – 3RD TERM

WEEK TWELVE

Class: Junior Secondary School 3

Age: 14 years

Duration: 40 minutes of 5 periods each

Date:

Subject: BASIC TECHNOLOGY

Topic:  SIMPLE BLUE PRINT READING

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

  1. Define simple blueprint reading.
  2. Identify and discuss the simple details of a building plan
  3. Identify and explain the meaning of symbols found in a building plan.

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers,

demonstration, videos from source

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

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S

ACTIVITY

STEP 1

INTRODUCTION

The teacher explains the meaning of simple blueprint reading to the students

Students pay

attention

STEP 2

EXPLANATION

Teacher discuss the key details of a building plan.

Students pay

attention and

participate

 

STEP 3

DEMONSTRATION

Teacher explains the meaning of symbols found in a building plan.

Students pay

attention and

participate

STEP 4

NOTE TAKING

The teacher writes a summarized

note on the board

The students

copy the note in

their books

 

NOTE

 SIMPLE BLUE PRINT READING

Blueprint reading is a fundamental skill in various industries, allowing individuals to interpret and understand the information presented in technical drawings or blueprints. A simple blueprint reading involves comprehending the basic elements of a blueprint to gather information about a design or construction project.

Simple Details of a Building Plan

Simple details on a building plan provide crucial information for construction and include various elements to communicate the design intent clearly. The following are key details commonly found in a building plan:

  1. Title Block: Typically located in the bottom-right or bottom-left corner.

It's contains essential information such as project name, drawing title, scale, date, and the name of the architect or designer.

  1. Scale: Often specified in the title block or legend. It's indicates the relationship between the dimensions on the drawing and the actual dimensions of the building. Common scales include 1/4" = 1' (quarter-inch scale) or 1:50.
  2. Site Plan: It is usually the first page or sheet of the building plan. It's illustrates the building's placement on the site, including property lines, nearby structures, landscaping, and access points.
  3. Floor Plans: Each floor of the building has a separate plan. It's depicts the layout of rooms, walls, doors, windows, and other features. Room dimensions, labels, and symbols are included.
  4. Elevations: Represented on a separate sheets for each side of the building (front, rear, and sides). Its provides vertical views of the building's exterior, showing the design and appearance. Includes information about materials and finishes.
  5. Sections: Typically found on separate sheets or within the floor plans. It is a cutaway views showing vertical slices through the building to illustrate interior details, structural components, and spatial relationships.
  6. Details and Specifications: May be included on separate sheets or alongside specific elements. It offers detailed information about construction methods, materials, and finishes. Include dimensions, materials, and installation instructions.
  7. Room and Door Schedules: Often found on floor plans or in a separate schedule sheet. It's lists all rooms, their dimensions, and other relevant information. Door schedules provide details about each door, including size, material, and hardware.
  8. Mechanical, Electrical, and Plumbing (MEP) Plans: Represented on a separate sheet dedicated to each system (mechanical, electrical, plumbing). It's illustrates the layout and specifications for mechanical systems (heating, ventilation, air conditioning), electrical systems (wiring, outlets, lighting), and plumbing systems (pipes, fixtures).
  9. Foundation and Framing Plans: Separate sheets detailing the foundation and framing. It's provides information about the structural elements, including foundations, beams, columns, and framing materials.

Common Symbols used and their Interpretation

Building Plan Symbols are used in a building plan to describe the functions and purposes of elements such as services symbols, lighting symbols, electrical symbols, elevation symbols, and section symbols.

The following are common symbols found on a simple building plan and their interpretations:

  1. Walls: Indicates the location and length of walls. Dashed lines may denote partitions or changes in wall types.
  2. Doors: Represents the location, swing direction, and type of door. The line indicates the direction the door opens.
  3. Windows: Denotes the position, size, and type of window. Diagonal lines may represent sliding windows.
  4. Stairs: Represents the location, design, and direction of stairs. The arrow indicates the direction of ascent.
  5. Columns: Indicates the position and size of columns. The shape may denote the column type.
  6. Electrical Outlets: Shows the location of electrical outlets. The dot represents the electrical receptacle.
  7. Light Fixtures: Denotes the position of light fixtures, chandeliers, or ceiling-mounted lights.
  8. Switches: Shows the location and type of light switches.
  9. Plumbing Fixtures: Indicates the location and type of plumbing fixtures.
  10. Furniture: Shows the placement of furniture such as sofas, tables, and beds within a space.

EVALUATION: 1. What is a blueprint reading?

  1. Mention and discuss 5 details commonly found in a building plan.

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively