Figure 4-1(A). - Pictorial view of a typical bathroom.

Figure 4-1(B). - Waste and vent.

ability to read and interpret them. Imagine using only written instructions for the construction of a small building. It would take volumes of written material. Trying to understand and visualize all the details involved in a construction project would present a very difficult problem for anyone. For this reason, prints are used. They are also used by the supervisor to monitor the progress of construction.

You must be able to interpret the details, perform the work, and follow directions from these drawings. You must be capable of reading prints and passing along the information contained on the drawings. Figure 4-1(A) shows a typical bathroom. Compare the relationship between

Figure 4-1(C). - Water service.

the views in figures 4-1(B) and 4-1(C) with 4- 1(A)

BLUEPRINT LANGUAGE

There are various ways that a blueprint shows work to be done. Since the written word can be confusing and take up valuable time and space, other means have been developed. These means include various types of lines, symbols, abbreviations, and other methods of providing dimensions and working directions.

TYPES OF LINES USED ON DRAWINGS

The main types of lines a Utilitiesman should be able to read and understand are depicted in figure 4-1(D).