2019 Tech Report Jan-Feb

Let’s look at some installations that meet some of the requirements.

8. Here the downward direction is not as great but still not acceptable although the height requirements were followed.

7. On this condenser the height requirements were followed but, the termination is not directed upward.

Acceptable installations

From Appendix A: 15.5.1

The termination of discharge is considered the final several feet of the relief piping. The vent end point of relief pipingmay

include a design to prevent rain and snow from entering. Many designs provide amethod to prevent rain and snow from

entering. The design at the vent end point may be a “tee” diffuser, a “double 45 degree” diffuser, (No Picture Available)

a “bull’s horn” diffuser,

RETA TECHNICAL REPORT PAGE 4