Text Size:   A+ A- A   •   Text Only

Structural Interpretations - by Subject

Or see Structural interpretations by Date | Code Section


Subject Code Section Date
20-Minute Fire Door Self-Closing Operation  - Rescinded Sections 3109(i)9, 4306(b), and 4306(f)3 11/19/1993
2004 OSSC Section 1109.14.2 - Single Station Alarms 1109.14.2 12/06/2005
2004 OSSC Section Appendix C - Equine Facilities Appendix C, Equine Facilities, ORS 455.315(1)&(2) 01/30/2006
A-3s Located in Basements or Above the First Floor  - Rescinded Section 303.2.2.2 10/08/2002
Acceptable Default U-Values  - Rescinded OSSC Table Nos. 53-0 and 53-P 04/15/1992
Acceptable Fiberglass Wall Insulation in Rim Joists Chapter 53, Section 5303(c) & (d); Chapter 17, Section 1714(c) 07/15/1994
Acceptable Installation of Wall Batt Insulation Chapter 53, Sections 5303(c) and Table 53-P 04/06/1994
Acceptable U-0.54 Doors for Prescriptive Compliance Paths  - Rescinded OSSC Table No. 53-P and Dwelling Code Section 5303(c)1 04/15/1992
Acceptable Window and Door Sealing Methods Chapter 53, Section 5303(e)2 04/29/1994
Agricultural Exemption ORS 455.315(1) and (2) 07/09/2008
Application of Concentrated Floor Load  - Rescinded Section 2304(a) 02/08/1994
Application of Table 53.P to Additions - Revised  - Rescinded OSSC Table 53, ORSC Chapter 11 11/25/2005
Areas of Rescue Assistance  - Rescinded Section 1107.2.1 07/14/1997
Areas of Rescue Assistance On Ground Floor 1107.1 02/21/2007
Automatic Fire Sprinkler Systems In Group E Occupancies  - Rescinded 1998 OSSC Section 904.2.4.1, 1996 OSSC Section 904.2.43.1 & IBC Section 903.2.2 08/02/2000
Automatic sprinkler requirements in F-1 woodworking operations. Section 903.2.3.1 04/02/2009
Averaging of insulation R-value for sloped roof insulation Section 1312.2.1 10/21/2003
Batt and Loose-Fill Glass Fiber and Mineral Fiber Used as Fire Blocking and Fire Stopping (Revised)  - Rescinded OSSC Chapter 25, Section 2516 (f) 2, 3 and Chapter 53, 5303 (e) 2; Dwelling Code Section R-402,7 and Chapter 53, Section 5303 (e) 2. 08/16/1995
Building Regulations by Other Agencies  - Rescinded OSSC Section 103; ORS 455.050; Federal Regulation P.L. 100-678 10/01/1993
Building Within a Building OSSC Sections 105, 508, 1713 and Footnote 7 of Table 38-A; U.B.C. Standard 38-1, Section 4-4 03/10/1994
CDX Grade Plywood as a Weather-Protective Barrier (Revised, editorial)  - Rescinded OSSC Sections 104.2.8, 1402.1 and 2310.2 & Dwelling Code Section 108 and 703.2 07/30/1993
Clarifications of the Prescriptive Bracing Requirements for Detached 1 & 2 Family Dwellings  - Rescinded Dwelling Code Sections 602.9 & 602.10, Tables 602.10 & 602.3(1); OSSC Chapter 23, Section 2320.5.4; IBC Section 2308.12.6(6); IR 97-1
Code Requirements by Lending Agencies  - Rescinded 455.040 01/26/1994
Connection Fracture of Surface Sheathing on Wood Diaphragms  - Rescinded Section 2513(a) 10/01/1993
Continuity of Exit Enclosures 1019.1 03/02/2007
Definition of a Vaulted Ceiling  - Rescinded OSSC Table Nos. 53-0 and 53-P 04/15/1992
Design of Post-Frame Buildings Not Required to be Designed Under the Architects Law  - Rescinded Section 302 & Section 2303 07/30/1993
Detectable warnings at vehicular way Section 1103.2.3.2 and definition of "Vehicular way" in OSSC Section 1102. 12/01/2005
Disabled Access to Church Baptisteries OSSC Chapter 31; ORS 447.210 and 447.280 07/03/1995
Disabled Person Access to Swimming Pools, Hot Tubs and Spas Section 3108(d)4 04/18/1995
Ducts/Air Transfer openings at fire-resistive horizontal assemblies  - Rescinded OSCC Sections 702, 710 & 711; OSMC Sections 601.1 & 801.2 05/02/2002
Elevator Shaft Fire Protection  - Rescinded Section 1706 09/11/1995
Emergency Exits from Bedrooms  - Rescinded OSSC Section 1204; Dwelling Code Section R-210 11/19/1993
Engineering Reqs for Agricultural Buildings Located in Flood Plans  - Rescinded Appendix Chapter 11 and 23 07/30/1993
Equine Exemption ORS 455.315(1) and (2) 07/09/2008
Establishing Allowable Area Section 503 03/23/2006
Expansion of Malls of Type V Construction 402.6 01/16/2007
Extent of Emergency Power for Means of Egress Illumination  - Rescinded Section 1003.2.9.2 11/12/2002
Finger Grips in Handrails  - Rescinded OSSC Section 3306(i); Dwelling Code Section R-214.1 11/29/1993
Fire Separations in Multifamily Dwellings  - Rescinded OSSC Section 1202(b) & Dwelling Code Section R-218.1 05/24/1993
Floor Vapor Barrier Installation  - Rescinded OSSC Section 5303(f)4; Dwelling Code Section 5303(f)4 11/19/1993
Garage Floor Surfaces  - Rescinded OSSC Section 311.2 and Dwelling Code Section 309.3 10/01/1993
Habitable Space Development  - Rescinded OSSC Section 308; Dwelling Code Section 103; ORS Chapter 455 01/26/1994
Insulation of Electric Water Heaters  - Rescinded Chapter 53 11/19/1993
Insulation Requirements for Zero-Lot-Line Walls Chapter 53, Sections 5301(a) and 5302, Table 53-P 05/09/1994
Labor Camps  - Rescinded Chapter 12 11/19/1993
Landings at stairs 1009.4 08/22/2006
Locks and Latches on Emergency Egress Windows from Bedrooms  - Rescinded OSSC Section 310 & Dwelling Code Section 310 05/24/1993
Lumber Design Values  - Rescinded Dwelling Code Table No. 6/7 A & OSSC Table No.25-A-l & (table No. 23-A-l common code format) 04/29/1993
Masonry Chimney Cleanout (Revised, editorial)  - Rescinded OSSC Section 3102.3.7; OMSC Section 801.14; Dwelling Code Sections 1001.13 and 2105.3 07/30/1993
Measure Clear Opening of Required Doorways - Rescinded OSSC Section 3303(b) and 3304(f); Dwelling Code Section R-210 11/19/1993
Meranti as Decay Resistant Wood and Design Values  - Rescinded OSSC Section 2516(c); Dwelling Code Section R-309.1 02/08/1994
Metal and Wood Frame Wall Cavity Definition and Applicability for Tables 13-D and 13-E, Footnote 10, Nonresidential Buildings  - Rescinded Tables 13-D and 13-E, Footnote 10 05/06/1999
Moving and Change of Occupancy of Prefabricated Structures and Mobile Homes - Rescinded OSSC Section 104 and 502; ORS 455.410 11/19/1993
Mud Sill Embedded in Foundation  - Rescinded Section 2516(c)(3) and Section R-309.1 09/07/1995
New Manufactured Windows with Storm Window Default U-Value  - Rescinded Section 5303(c)2 08/18/1992
Occupancy Classification for Fire Stations Section 302 01/21/2005
Occupancy Separation Between Kitchen and Day-Care Occupancies  - Rescinded Section 501 06/29/1992
One Percent Decorative or Unique Architectural Glazing OSSC Table No.53-O & Table No.53-P & Dwelling Code 5303(c)2 11/03/1992
OSHA Regulated Guardrails  - Rescinded Section 1712 08/24/1994
Periodic Special Inspections Section 1702.1 12/17/2004
Permit Application/Plan Approval  - Rescinded OSSC Section 104(c), 301, 302, 303; Dwelling Code Section R-116 11/17/1993
Plastic Pipe in Buildings of Non Combustible Construction  - Rescinded Section 401(a)(2) and 5303(a)(2) 10/23/1992
Plastic Pipe in Type 1 & 2 Buildings  - Rescinded Section 401 (a)(2) and 503(a)(2) 06/29/1992
Portable Electric Heaters for Main Source of Heat Revised  - Rescinded OSSC Section 310.11; Dwelling Code Sections 108 and 303.6 01/26/1994
Product Approvals and Listing Agencies Dwelling Code Section R-108.1 and 2 and R-118; OSSC Sections 105, 402, and 413; MSC Sections 105, 403, and 413 06/03/1994
Protection of Wood in Contact with Below Grade Concrete  - Rescinded OSSC Sections 2516(c)3, 5, and 7; Dwelling Code Section R-309.1 07/30/1993
Railroad Right-Of-Way as Required Yards Section 1002 06/01/1994
Rational Design of Structures Not Using Conventional Wood Framing Section 107; 2303(a) and (b) 09/20/1994
Replacement of Existing Glazing 3405.1 08/22/2007
Required Grades of Wood Shingles and Shakes - Rescinded OSSC Section 3201(b)1; Dwelling Code Section 801.3; U.B.C. Standard 32-8 and 32-11 11/19/1993
Required Insulation Level at the Perimeter of Flat Ceilings  - Rescinded Chapter 53, Energy Conservation, Sections 5303(c), 5303(c)4 and Table 53-P 08/06/1993
Retrofit Glazing Requirements for Non-Residential Buildings  - Rescinded Sections 5303(d)1 and 5, and Table 53-C 11/29/1993
Scope of dressing and fitting room provisions 1109.10 06/06/2006
Seismic Importance Factor For Health-Care Facilities Table 1604.5 and ORS 455.447 03/23/2006
Shading Coefficient Conversion  - Rescinded Tables 13-D and 13-E 05/06/1999
Shafts for Metal Chimneys - Rescinded Section 1706 and Table 17-A 11/19/1993
Simplified Trade-Off Approach - Revised Section 1312.2.2 11/07/2001
Spacing Between Regulated Buildings, Mobile Homes, Manufactured Dwellings and Agricultural Buildings (Revised)  - Rescinded OSSC Section 504; Dwelling Code R-118 and R-202 01/25/1995
Special Inspections for Seismic Resistance Section 1707 01/01/2004
Special Inspector Certification Section 306(b) 10/01/1993
Sprinkler Plan Review Fees  - Rescinded Section 304(b) 10/01/1993
Sprinkler system installation in buildings with fire walls 705.2 06/02/2006
Stacked Decks 1406.3 05/15/2007
Stairs and Ramps Within Yard Where Opening Protection is Required  - Rescinded Sections 330l(b). 3305(i), 3306(a), 3306(m) and 3307(f) and Table 5-A 01/26/1994
Stories with one exit 1019.2 09/18/2007
Storm Windows Over Required Openable Exit or Ventilation Windows (Revised, editorial)  - Rescinded OSSC Section 310.4 & Dwelling Code Section 310.2 07/30/1993
Structures on State, Federal and Other Property ORS 455.040 and P.L. 100-678 (USC 40 § 619). 10/01/1993
Table 53-O Base Path 1 Limitations  - Rescinded Table 53-O 06/09/1992
Tennis Court Rooms  - Rescinded Sections 501, 505(£)2, 506(c), 3302(b) exception and Table 33-A 07/30/1993
Toilet Room Moisture Proofing Sections 104.10 and 1210 11/19/1993
Total Perimeter of a Building on Sloping Site in Calculating Height in Stories  - Rescinded OSSC Section 420; Dwelling Code Sections R-103 and R-118 11/19/1993
Trusses  - Rescinded ORS 455.010(6); OSSC Sections 306(a)14, and (f), Section 2303(a) and (b), Section 2504, 2510 Tables 25-A-l and Tables 25-A-2; UBC Standard 25-17,25.1744.25-18, Part V, 25.1825 and 26.1838(b)4 06/27/1994
Underfloor Insulation - Revised Residential Sections R109.1 & R109.1.5.2; Structural Sections 109.3.2 & 109.3.7 11/25/2005
Underslab Vapor Barrier  - Rescinded OSSC 5303(1)5; Dwelling Code Chapter 53 11/19/1993
Use of Exterior Insulation and Finish Systems (EIFS) R703.9 Oregon Residential Specialty Code (ORSC) & 1704.12 Oregon Structural Specialty Code (OSSC) 08/13/2008
Use of LMK Enterprises, Incorporated Sewer Pipe Lining System  - Rescinded Section 301.2 10/14/1997
Use of NEHRP 2000, Proposal 7-17R (Perforated Shear Wall Method) as an Alternative Method of Design of Shear Walls  - Rescinded Section 2315
Use of Perforated Shear Wall as Alternate Method  - Rescinded Section 2315.1, OSSC; "Perforated Shear Walls with Conventional and Innovative Base Restraint Connections" U.S. HUD 01/03/2000
Use of Plastic Piping in Fire Rated Buildings or Assemblies  - Rescinded Section 701.1.2 10/29/1997
Use of Yurts as Recreational Structures Section 310 07/14/1997
Values obtained from Simplified Trade-Off Approach (STA) method Section 1312.2.2 10/21/2003
Vapor Barrier Application -- Walls  - Rescinded Chapter 53 11/19/1993
Vinyl Protected Wallboard  - Rescinded Section 510(c) 11/19/1993
When Existing Buildings Must be Insulated to Code  - Rescinded OSSC Sections 104 and 502; Energy Code Chapter 53, Section 5301(a) 10/01/1993
Whole Building Approach (Revised) Chapter 13, Section 1311.1 05/25/1999