When I’m designing shell space in office buildings; it’s always been to light 
hazard.

Shell space in a future strip mall or industrial type areas, has always been to 
ordinary group I or II.

Sincerely,

Daren Welborn

On May 9, 2026, at 5:20 PM, Parsley Consulting <[email protected]> 
wrote:



Friends,

I'm in the process of a lengthy plan review of a -13 compliant sprinkler system.

The layout has shown large areas of "shell" space, and the calculations show 
light hazard, for future TI.

For a long time, perhaps to long to admit, I've had the impression such spaces 
should be either OH1 or OH2.

Any clarity?

sincerely,

Ken Wagoner, SET
Parsley Consulting
3002 Younger Drive
Harrisonville, Missouri 64701-3909
Phone: (760) 745-6181
Visit the 
website<https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fwww.parsleyconsulting.com%2f&c=E,1,Y5zKJKPEh1mBEBqSR-VE9cUKl5y-eyP8BpvmE_5j9ZqW2eJbNphYzrCMBZ-2YuX6d-RRkHI4gQ1FV-cvOeCfRC58uZS9NiToZv2mx7909oCqLvCW_n5hDHeK&typo=1>


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