Understanding House PlansChapter 7Interior Design

Who is involved?• Design and construction of a house involves many

people working together• Owner• Architect• Designer• Contractor• Banker• Various tradespeople

Architectural Drawings for a House• Contains information about the size, shape, and location of all parts of the house • Universal language of the construction industry uses lines, symbols, views, and notes to convey Ideas

Architectural Drawings for a House• Drawn in proportion to actual size• Drawn to scale• When an architectural drawing is either smaller or larger

than the actual object

• Normally drawn at a scale of ¼” = 1’• One-foot measures on the house equal one-fourth inch in

the drawing• The scale for each drawing is indicated in the footnote

Prints of Architectural Drawings• Today, Computer-aided Drafting and Design

(CADD) drawings are used• Chief Architect

• When the drafter completes a set of architectural drawings, copies must be made for all members of the construction team

• A print is a copy of a drawing (blue print)

Alphabet of Lines• Seven different lines used in drawings• Allow the drafter to communicate ideas clearly

and accurately• Lines vary in thickness or weight• May be solid or a combination of dashes and

breaks

Alphabet of lines

• Phanton lines- alternate positions, repeated details, and paths of motion

• Visible lines- outline of the building and walls

• Hidden lines- edges of surfaces that are not visible in a specific view of the house

• Center lines- center of an arc or circle

• Dimension lines- show the size and location of the dimensions

• Extension lines- termination points of a dimension

• Break lines- object continues on

• Section lines- feature that has been sectioned

Symbols• Many features of a house cannot be drawn exactly

as the finished product• Standard symbols are used in drawings• Plumbing and electrical fixtures• Doors• Windows• Other common objects in a house