ter 15-27: Petition for Change of Compliance Tier
Page 2 of 3
OMC 15.27 Change of Compliance Tier Form 5-21-2019
PART 2 – WORKSHEET
Number of Dwelling Units:
1. Answer only if the Current Compliance Tier is Tier 1-NR: Are you submitting documentation
to show that you or the previous owners complied with the Mandatory Screening Ordinance (OMC
Section 15.26.230) on or before July 28, 2011?
If Yes: Continue to question 2.
If No: The building is assigned to Compliance Tier 1-NR. Skip to CONCLUSION.
2. Does the building contain a legally permitted, non-vacant Business or Mercantile occupancy in a
Wood Frame Target Story?
If Yes: Enter the date the non-vacant B or M occupancy was observed: _______________. The
building is tentatively assigned to Compliance Tier 3. Skip to CONCLUSION.
If No: Continue to question 3.
3. Does the building contain at least one legally permitted Dwelling Unit) in a Wood Frame Target
If Yes: The building is assigned to Compliance Tier 3. Skip to CONCLUSION.
If No: Continue to question 4.
4. Does the building contain 5 to 19 Dwelling Units?
If Yes: The building is assigned to Compliance Tier 2. Continue to CONCLUSION.
If No: The building is assigned to Compliance Tier 1-LB. Continue to CONCLUSION.
CONCLUSION: Check the Proposed Compliance Tier indicated by the responses to questions 1 – 4:
Tier 1-LB Tier 2 Tier 3
If the Proposed Compliance Tier is the same as the Current Compliance Tier: Do not submit this petition form.
If the Proposed Compliance Tier is different from the Current Compliance Tier: Complete Part 3 and submit this
petition form. The Bureau of Building will confirm the change in writing.
ITIONS (OMC Section 15.27.150)
g Unit. A Dwelling Unit shall include any individual residential unit in a building with R-1 or R-2 occupancy, as well
as any guest room, with or without a kitchen, in either a tourist or residential hotel or motel but shall not include a
housekeeping room. Any unit occupied as a Dwelling Unit, whether approved or not approved for such use, shall be
counted as a Dwelling Unit.
Story. A Target Story shall mean either (1) a basement story or underfloor area that extends above grade at any
point or (2) any story above grade, where the wall configuration of such basement, underfloor area, or story is substantially
more vulnerable to earthquake damage than the wall configuration of the story above, except that a story is not a target story
if it is the topmost story or if the difference in vulnerability is primarily due to the story above being a penthouse or an attic
with a pitched roof.
Target Story. A Wood Frame Target Story means a Target Story in which a significant portion of lateral or
torsional story strength or story stiffness is provided by wood frame walls.