1. Pictorial/Orthographic
Drawing Review
Pictorial/Orthographic

2. I. Pictorial Drawings – Shown as in a Photo – 3 Types - Axonometric
A. Isometric – Most common – Faces projected 30° above horizontal
B. Oblique Drawings – Front drawn as orthographic – top and side projected back at 15°-30°-45 – 2 Types
(1) Cavalier Oblique – Front and receding at same scale
(2) Cabinet Oblique – Receding axes at half scale

3. Perspective Drawings – Most realistic – Instead of lines being parallel receding lines meet at a vanishing point – 2 Types (1) Parallel – One point perspective (2) Angular Perspective (two point) – End different vanishing points at horizon

4. II. Orthographic Drawings – Nearly all
II. Orthographic Drawings – Nearly all construction projects – Showing various views – Projected at right angles

5. III. Construction Drawings
A. Plan View – Top view
B. Floor Plans – Layout/walls, windows, doors, rooms, stairs, etc.
C. Foundation Plans – Walls, slabs, piers, footings
D. Framing Plans – Structural layout for floors/roofs
E. Plumbing – Pipes, fixtures

6. G. Mechanical – Heating, ventilating, AC, HVAC H
G. Mechanical – Heating, ventilating, AC, HVAC H. Elevations – Stage of building, doors, windows, chimneys, show front, sides, rear I. Sections – Detail cut through a wall or other feature J. Details – Larger scale than plans, elevations and sections

7. IV. Dimensioning A. Scale – Floor Plans ¼” = 1” or
Quarter scale most common