Appeal 33673

Appeal Summary

Status: Hold for Additional Info.

Appeal ID: 33673

Submission Date: 1/27/25 11:55 AM

Hearing Date: 2/5/25

Case #: B-002

Appeal Type: Building

Project Type: commercial

Building/Business Name: Binford Apartments

Appeal Involves: Erection of a new structure

Proposed use: Apartment leasing office and community clubhouse

Project Address: 6905 NE Hancock St

Appellant Name: Todd Moon

LUR or Permit Application #: Permit 22-176816-DFS-01-CO

Stories: 1 Occupancy: B, A-3 Construction Type: V-B

Fire Sprinklers: No

Plans Examiner/Inspector: Steven Mortensen

Plan Submitted Option: pdf   [File 1]   [File 2]

Payment Option: electronic

Appeal Information Sheet

Appeal item 1

Code Section

2019 OSSC 703.3, Item 4

Requires

The application of any of the methods listed in this section shall be based on the exposure and acceptance criteria specified in ASTM E119 or UL 263. The required resistance of a building element, component or assembly shall be permitted to be established by any of the following methods or procedures:

  1. Engineering analysis based on a comparison of building element, component or assemblies’ designs having resistance ratings as determined by the test procedures set forth in ASTM E119 or UL 263.
Code Modification or Alternate Requested

Allow intumescent coating as approved protection for steel brackets and bolt connectors used on heavy timber trusses which are supporting a roof that is required to have a 1-hr fire-resistance rating due to proximity to a property line. The wood portions of the trusses are designed for 1-hr fire-resistance.

Proposed Design

Sherwin-Williams FX5120 intumescent paint is applied to the steel connection plates and bolts at a thickness sufficient to provide a 1-hr fire-resistance rating according to the results output by the Firetex Design Estimator (FDE) software. The thickness is either 121 or 122 mils, measured in the field.

Reason for alternative

The plates are not a design covered by any specific UL 263 test and therefore do not meet the requirements for 703.2. Section 703.3, method 4 allows analysis based on comparison. As noted on the attached report, the output of the FDE software is as per the UL Listed/Verified process for UL263 / ASSTM E119.

The report concludes that the mil thickness provided on the steel members is sufficient to meet the requirements for 1-hr fire-resistance.

Appeal Decision

An alternate method for determining the fire resistance rating of corridor floor/ceiling assembly: Hold for additional information.

"Appellant has been sent an email clarifying the additional information requested. For information about how to file a reconsideration go to https://www.portland.gov/ppd/file-appeal/appeal-process or email PPDAppeals@portlandoregon.gov.
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