Plans (41) Dan Nelson ( ,
From: Mark VanDomelen
Sent: Monday, October 02, 2017 2:14 PM
To: Dan Nelson
Subject: FW: Red Rock Center Restrooms
FYI
From: Chris Spurgin [mailto:chrisOstackpdx.com] City of Tigard
Sent: Monday, October 02, 2017 1:51 PM
To: Michael Rudis Approved Plans
Cc: Mark VanDomelen; Krista Pettis; Steve Gabel; Scott Barry; Doug Fry B` ®ate t [7
Subject: Red Rock Center Restrooms r____ iL
Team,
I spoke with Mark Van Domelen today regarding the issues of the common area restrooms on the main level of
the Red Rock Center, Building C.
The City is interpreting the Code as follows:
• Required number of restrooms is based on area of occupancy. B Occupancy is one person for every 100
sf of area. Conference rooms, waiting rooms and staff lounge occupancies are assumed to be included
in this base occupancy.
• Dr. Gabel's space requires two restrooms because the base occupancy is less than 5,000 sf. and therefore
less than 50 occupants. 4,521/100=46 Occupants. OSSC Chapter 29 requires one Water Closet per
25 for the first 50 occupants. The two restrooms provided in different locations in the plan should be
noted as Unisex.
• The ground level restrooms may be removed in future TI permits as long as those future spaces provide
adequate restrooms to serve their individual spaces.
• The small tenant space on the second level will also be required to provide a single unisex restroom in
it's space because the occupancy is less than 15. 2902 exception 2 exempts the requirement for separate
facilities when the occupant load is less than 15.
• By this logic, Dr. Barry's space may be able to reduce his restroom count by one. 3,515/100=36
Occupants. 2 Unisex restrooms required. A permit revision may be required.
I hope this clears things up. Please let me know if you have any questions.
-Chris
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Chris Spurgin,AIA LEED AP NCARB Principal STACK architecture
t 503 481 1332 1 c 503 866 0459132 NE 7th Avenue PDX,OR 97232 I chris@stackpdx.com stackpdx.com
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