![]() With isometric offsets changing a pipe's routing from one plane to another or from one geographic direction to another, coordinates and elevations no longer provide all the dimensions necessary to describe a pipe's total length. ![]() As with example C, two 45° elbows are used, but rather than turning the elbows upward, they are laid on their side and do not change elevation. Both elbows are 45°, thus, the inclusion of the abbreviation TYP, meaning "typical." Example B demonstrates how horizontal offsets are created. Here, two 45° elbows are used to angle the pipe upward while continuing in a northerly direction. Example C is also a vertical offset, but notice, there is no change in the geographic direction the pipe travels. This example is labeled as a vertical offset because a change in elevation occurs when the 90° elbow is turned downward. A 45° elbow is required to return the angular offset to a due easterly direction. A 90° elbow is rolled downward and toward the east at a 45° angle. Example A of Figure 13-16 begins with a line traveling north. NOTE: AS YOU ENTER THE TEXT YOU WILL NEED TO ADJUST THE ROTATION ANGLE AS SHOWN.įigure 13-16 represents only three of the many offsets that can be created using 90° and 45° elbows. ![]() SET UP TWO TEXT STYLES FOR ISOMETRIC DIMENSIONS AND CALLOUTS.
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