I believe the cross-slope listings were pulled and the only allowed 
configuration is DOWN-slope.

From: Sprinklerforum [mailto:[email protected]] On 
Behalf Of Travis Mack
Sent: Thursday, February 21, 2019 3:31 PM
To: [email protected]
Subject: Re: Sloping Sidewalls

If you are spraying across you are good. Just can’t be at the low end shooting 
up.
Travis Mack, CFPS, CWBSP, RME-G, SET
480-505-9271
MFP Design, LLC
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Sent from my iPhone

On Feb 21, 2019, at 4:21 PM, Matthew J Willis 
<[email protected]<mailto:[email protected]>> wrote:
8.7.4.2.2 (16) notwithstanding..

Are we allowed to install sidewalls along the slope (running with the slope), 
if the general requirements of 8.5 are met?

In other words, think of a church assembly area. Sidewalls up the slope. First 
one at 10’ AFF, next at 12’ AFF, etc. Spraying perpendicular (across) the slope.

I always thought the 2/12 was to avoid sprinklers trying to spray up the slope 
from down low.

Wanting to clear my mind….

R/
Matt


Matthew J. Willis, CWBSP
Design Manager /3-D Specialist
Rapid Fire Protection Inc.<http://rapidfireinc.com/>
1530 Samco Road
Rapid City, SD 57702
Office-605.348.2342
Direct Line-605.593.5063
Cell-605.391.2733
Fax:-605.348.0108

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