F2 Flashcards
List the three main types of pictorial drawings
obliques
isometrics
perspectives
Describe: oblique drawing
the base line is drawn on the horizontal
projection lines extend at 45 degrees
details on the front view appear true
Describe: Isometric drawing
the base line is angled so that it cuts the horizontal at 30 degrees
Each of the three faces are distorted
A circular detail drawn on any face appears as an ellipse
Describe: Perspective drawing
made with one or more vanishing points
one vanishing point is a one-point perspective
two vanishing points is a two-point perspective
Describe: Orthographic projection (drawing)
shows all the views (elevations) of an object
Describe; Working drawing
may consist of a single drawing or a set of many drawings that provide all the info necessary to construct a part, machine or structure
Describe: Working detail drawing
provides all of the information that is necessary to construct an object
Describe: Working assembly drawing
shows how all of the parts fit together, and identifies each part on a list adjacent to the drawing
List the major division of a construction drawing
architectural
structural
mechanical
electrical
What is a blueprint
large number of exact copies of a drawing
List the five main types of working drawings
site/plot plans plan drawings elevation drawings sectional drawings detail drawings
Describe: Site/plot plans
top view of an entire property with buildings drawn in their proper locations
Describe: Plan or architectural drawing
most frequently used
concentrates on the inside
shows dimensions
indicates wall and floor finishes
Describe: Elevation drawings
is a front view of an object or structure
used to show how completed building will look
Elevations are usually referred to by compass points
Describe: Sectional drawings
shows the hidden detail beneath the surface
the precise location or cut of a sectional view is given in another drawing
Section reference symbol or eyeball
is another method of identifying the location of a section drawing
Describe: Detail drawing
shows a small part of the entire project in great detail
Describe: Shop drawing
is used to manufacture equipment that will be installed in a building
usually have a top, front and side view
may also have a pictorial for a 3D reference
Describe: As-built drawings
to keep record of how the project was actually built
helpful when repairing or renovating
Drawing conventions: Index page
consists of all the drawings in the set and acts as a table of contents
Drawing conventions: Title Block
lists pertinent information about the drawing revisions seal of authenticity name and address of project person who made the drawing person who check the drawing date
Drawing conventions:Revisions
must be recorded on the title block
Drawing conventions:Scales
always shown on the tile block
the first number on the scale refers to the drawing
Drawing conventions:Reference lines
Grid lines
Bay lines
Describe: Grid lines
are evenly spaced
identified by a letter across the top of the page
identified by a number along the side
Describe: Bay lines
are often irregularly spaced but tie into a particular feature of the structure itself
Drawing conventions: Keys and legends
used to indicate what each of the symbols stand for.
Drawing conventions:Notes
short pieces of text or script used to convey information that cannot be shown by drawing
Drawing conventions: Schedules
present info in tabular form for easy reference
Lighting schedule
Transformer schedule
Drawing conventions: Specifications
written description of work to be performed
good practice to install equipment as to the manufacturers specifications
List two types of wiring diagrams
point to point
highway drawings
