CORE CURRICULUM
Introduction to Construction Drawings 00105-15
CORE CURRICULA
Introduction to Construction Drawings 00105-15
Session 2: Identifying Drawing Elements;
Dimensions and Drawing Scales; Using Scales
Session Two Objectives
When trainees have completed this session, they should be able
to do the following:
1. Identify and describe various types of construction drawings,
including their fundamental components and features.
Introduction to Construction Drawings 00105-15
Session Two Performance Task
Introduction to Construction Drawings 00105-15
Using the floor plan supplied with this module:
•Locate the wall common to both interview rooms.
Sections 1.3.1 and 1.3.2 –Lines
This legend is sometimes referred to as the alphabet of lines.
Line style can provide a lot of information to the user.
Sections 1.3.1 and 1.3.2 –Lines
Introduction to Construction Drawings 00105-15
Abbreviations are necessary due to the limited space available on
drawings. Note that capital letters are always used.
Section 1.3.2 –Symbols
There are literally thousands of possible symbols that can be
Introduction to Construction Drawings 00105-15
Section 1.3.3 –Gridlines
Gridlines on drawings are used in the same way they are used
Introduction to Construction Drawings 00105-15
Section 1.4.1 –Dimensions
Always take great care when making measurements, and be
Introduction to Construction Drawings 00105-15
Section 1.5.1 – Architect’s Scale
Triangular scales, or tri-scales, are the most popular since they
Introduction to Construction Drawings 00105-15
Section 1.5.1 – Architect’s Scale
As shown here, an architect’s scale for inches and feet
Section 1.5.2 –Metric Scales
Metric scales are always calibrated in units of 10—
Introduction to Construction Drawings 00105-15
Section 1.5.2 – Engineer’s Scales
Since it can accommodate large measurements, the
Introduction to Construction Drawings 00105-15
Wrap Up –Trade Terms
Architect
A qualified, licensed person who creates and designs drawings for a
construction project.
Architect’s scale
Introduction to Construction Drawings 00105-15
Wrap Up –Trade Terms
Introduction to Construction Drawings 00105-15
Engineer
A person who applies scientific principles in design and construction.
Engineer’s scale
Wrap Up –Trade Terms
Introduction to Construction Drawings 00105-15
Leader
Metric scale
A straightedge measuring device divided into centimeters, with each
Not to scale (NTS)
Next Session…
LABORATORY:
READING CONSTRUCTION DRAWINGS
Introduction to Construction Drawings 00105-15