Opinion: Overflow drains and scuppers

Inquiry: 00-09

Subject: Overflow drains and scuppers

Code:
UBC 1506.3 Overflow drains and scuppers

Submitted By: MN B.O. Uniformity Committee

Approved By: Thomas R. Joachim, State Building Official

Issue Date: January 12, 2000

Question: Does the code permit a single overflow scupper to serve more than one roof drain?

Answer: Yes, providing the scupper is sized to accommodate more than one roof drain.

Comments:
"The reason for having an overflow is to lessen the change of roof collapse due to accumulated water if the regular drain is clogged by leaves or other debris."

Inquiry:	00-09
Subject:	Overflow drains and scuppers
Code:	UBC 1506.3 Overflow drains and scuppers
Submitted By:	MN B.O. Uniformity Committee
Approved By:	Thomas R. Joachim, State Building Official
Issue Date:	January 12, 2000
Question:	Does the code permit a single overflow scupper to serve more than one roof drain?
Answer:	Yes, providing the scupper is sized to accommodate more than one roof drain.
Comments:	"The reason for having an overflow is to lessen the change of roof collapse due to accumulated water if the regular drain is clogged by leaves or other debris."