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plumbing01.htm Plumbing

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IDENTIFYING WASTE SYSTEM PIPELINES

7.   Waste system pipelines are identified by a symbol.

a.   Figure 1-15 shows the waste pipeline symbol.

FIGURE 1-15.    WASTE PIPELINE SYMBOL

FIGURE 1-15.   WASTE PIPELINE SYMBOL

b.   The arrows in the diagram in figure 1-16 show the location and direction of the waste pipeline.

FIGURE 1-16.    ARROWS SHOWING DIRECTION --WASTE PIPELINE

 

FIGURE 1-16.   ARROWS SHOWING DIRECTION --WASTE PIPELINE

8.   Fittings connect and change the direction of waste line pipe. These fittings are identified by symbols.

a.   Figure 1-17 shows waste-pipe-fitting symbols.

FIGURE 1-17.       WASTE- PIPE-FITTING SYMBOLS (CONTINUED)

FIGURE 1-17.   WASTE- PIPE-FITTING SYMBOLS

FIGURE 1-17.      WASTE- PIPE-FITTING SYMBOLS (CONTINUED)

FIGURE 1-17.   WASTE- PIPE-FITTING SYMBOLS (CONTINUED)

FIGURE 1-17.       WASTE- PIPE-FITTING SYMBOLS (CONTINUED)

FIGURE 1-17.   WASTE- PIPE-FITTING SYMBOLS (CONTINUED)

b.   Figure 1-18 shows waste-pipe-fitting symbols used on a diagram.

FIGURE 1-18.    DIAGRAM SHOWING WASTE- PIPE-FITTING

FIGURE 1-18.   DIAGRAM SHOWING WASTE- PIPE-FITTING

9.   Vents are used in the waste system to keep foul odors caused by waste disposal from entering the building. The types are drain waste vents (DWV) and vents through the roof (VTR).

a.   Figure 1-19 shows the vent abbreviations and symbol.

FIGURE  1-19.    VENT ABBREVIATIONS AND SYMBOL

FIGURE 1-19.   VENT ABBREVIATIONS AND SYMBOL

b.   Figure 1-20 shows vent to roof identified by symbol on a diagram.

FIGURE 1-20.   DIAGRAM SHOWING VTR


David L. Heiserman, Editor

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All Rights Reserved

Revised: June 06, 2015