PDX 2026-512 (08) S0.003.pdf
PDF 161 KB Posted
- Solicitation number
- 146219
- Issued by
- Multnomah County, Oregon
About this file
This is a structural specifications document for the Portland International Airport Terminal and Concourses Wayfinding Signage project in Oregon. The document outlines material and fabrication requirements for architecturally exposed structural steel (AESS), structural aluminum, and cold-formed metal framing components used in the wayfinding signage installation. The project designates exposed structural steel in CM2 signs as AESS Category C (custom elements), requiring adherence to the 2016 AISC Code of Standard Practice with specifications for surface preparation, weld appearance, and finish quality. Structural aluminum components shall be fabricated in accordance with the Aluminum Design Manual Chapter M, utilizing 6061-T6 pipe sections with 300 series stainless steel fasteners and AWS D1.2 welding standards. Cold-formed steel studs must meet AISI standards with minimum yield strengths of 33,000 PSI for 33 and 43 mil thicknesses and 50,000 PSI for heavier gauges, with fabrication and connection requirements specified by the Steel Stud Manufacturers Association.
The specifications establish detailed fabrication tolerances, connection methods, and material isolation requirements to prevent galvanic corrosion between dissimilar materials. Cold-formed framing connections shall utilize approved screws such as Elco Dril-Flex, Hilti Kwik-Flex, or Hilti X-U fasteners with minimum clearances and spacing requirements. Field cutting is restricted to sawing, shearing, or plasma cutting methods, with notching and coping prohibited unless otherwise noted. The document was dated August 2026 with a professional license expiration of December 31, 2026, and was prepared by Jay Ostlund Architecture with structural engineering by Vodden and Associates.
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Text version
ARCHITECTURALLY EXPOSED STRUCTURAL STEEL (AESS)
THE FOLLOWING STRUCTURAL MEMBERS ARE DESIGNATED AS AESS AS DEFINED IN THE 2016 AISC CODE OF STANDARD
PRACTICE:
ITEM AESS CATEGORY COMMENTS
EXPOSED STRUCTURAL STEEL
IN CM2 SIGNS
C
REFERENCE TABLE 10.1 OF 2016 AISC CODE OF STANDARD PRACTICE. AESS CATEGORIES SHALL BE AS INDICATED
BELOW:
AESS CATEGORY MATRIX
CATEGORY CHARACTERISTICS
AESS C
CUSTOM
ELEMENTS
AESS 4
SHOWCASE
ELEMENTS
AESS 3
FEATURE
ELEMENTS IN
CLOSE VIEW
AESS 2
FEATURE
ELEMENTS
NOT IN CLOSE
VIEW
AESS 1
BASIC
ELEMENTS
1.1 SURFACE PREPARATION
TO SSPC-SP 6
X X X X
1.2 SHARP EDGES GROUND
SMOOTH
X X X X
1.3 CONTINUOUS WELD
APPEARANCE
X X X X
1.4 STANDARD STRUCTURAL
BOLTS
X X X X
1.5 WELD SPATTERS
REMOVED
X X X X
2.1 VISUAL SAMPLES
MOCK-UP
REQUIRED
MOCK-UP
REQUIRED
OPTIONAL
2.2 ONE-HALF STANDARD
FABRICATION TOLERANCES
X X X
2.3 FABRICATION MARKS NOT
APPARENT
X X X
2.4 WELDS UNIFORM AND
SMOOTH
X X X
3.1 MILL MARKS REMOVED X X
3.2 BUTT AND PLUG WELDS
GROUND SMOOTH AND
FILLED
X X
3.3 HSS WELD SEAM
ORIENTED PER CONTRACT
DOCUMENTS
X X
3.4 CROSS SECTIONAL
ABUTTING SURFACE
ALIGNED
X X
3.5 JOINT GAP TOLERANCES
MINIMIZED
X X
3.6 ALL WELDED
CONNECTIONS
X X
4.1 HSS SEAM NOT APPARENT X
4.2 WELDS CONTOURED AND
BLENDED
X
4.3 SURFACES FILLED AND
SANDED
X
4.4 WELD SHOW-THROUGH
MINIMIZED
X
X
X
X
NOT
REQUIRED
X
X
X
X
X
X
X
X
X
X
STRUCTURAL ALUMINUM
ALUMINUM FABRICATION AND ERECTION SHALL BE IN ACCORDANCE WITH THE ALUMINUM DESIGN MANUAL CHAPTER M. DIMENSIONAL TOLERANCES SHALL COMPLY WITH THE CODE OF STANDARD PRACTICE FOR FABRICATING AND
ERECTING STRUCTURAL ALUMINUM.
SHAPE GRADE
PIPE SECTIONS 6061-T6 (35 KSI)
FASTENERS SHALL BE 300 SERIES STAINLESS STEEL, CONDITION CW WITH A MINIMUM ULTIMATE TENSILE STRENGTH, FU=100KSI. WELDING SHALL CONFIRM TO AWS D1.2, STRUCTURAL WELDING CODE-ALUMINUM. FILLER ALLOYS TO BE
COMPATIBLE FOR WELDING TO BASE MATERIAL ALLOYS.
DISSIMILAR MATERIALS SHALL BE ISOLATED FROM EACH OTHER USING ONE OF THE FOLLOWING: PAINT, PLASTIC SHIM, STAINLESS STEEL SHIM, SEALANT OR TAPE OR APPROVED ALTERNATE.
COLD-FORMED METAL FRAMING
STEEL STUDS SHALL BE C-STUDS WITH A MINIMUM YIELD STRENGTH OF 33,000 PSI FOR 33 AND 43 MIL AND 50,000 PSI FOR 54, 68 AND 97 MIL THICKNESSES. GAUGE PLATE AND STRAPS SHALL HAVE A MINIMUM YIELD STRENGTH OF 30,000 PSI FOR 33 AND 43 MIL AND 50,000 PSI FOR 54, 68 AND 97 MIL THICKNESSES. COLD-FORMED FRAMING SHALL BE OF THE
SIZE, GAUGE, AND SPACING SHOWN ON THE DRAWINGS.
THE AMERICAN IRON AND STEEL INSTITUTE AND STEEL STUD MANUFACTURES ASSOCIATION (SSMA) STANDARDS ARE USED IN THIS PACKAGE. PRODUCTS USED SHALL MEET OR EXCEED AISI STANDARDS AND ARE DESIGNATED BY THE
FOLLOWING FOUR PART IDENTIFICATION CODE:
EXAMPLE: 362 S 162 - 33
362 INDICATES WEB DEPTH (IN 1/100 OF AN INCH)
S INDICATES SHAPE STYLE (S, T, U OR F)
162 INDICATES FLANGE WIDTH (IN 1/100 OF AN INCH)
33 INDICATES MATERIAL MIL THICKNESS (1 MIL = 1/1,000 INCH)
PROVIDE BRIDGING ADEQUATE TO DEVELOP THE FULL MOMENT CAPACITY OF STUDS IN CONFORMANCE WITH THE
STEEL STUD MANUFACTURERS ASSOCIATION'S (SSMA) RECOMMENDATIONS.
ALL FIELD CUTTING OF STUDS MUST BE BY SAWING, SHEARING, OR PLASMA CUTTING. OTHER CUTTING METHODS OF
COLD-FORMED MEMBERS ARE UNACCEPTABLE.
NO NOTCHING OR COPING OF STUDS IS ALLOWED, UNLESS NOTED OTHERWISE.
ENDS OF AXIAL LOAD BEARING WALL STUDS SHALL HAVE SQUARE END CUTS AND SHALL BE SEATED TIGHT AGAINST THE TRACKS WITH A MAXIMUM GAP TOLERANCE OF 1/8" BETWEEN THE STUD AND TRACK. FOR STUDS WITH A MATERIAL THICKNESS OF 68 MIL AND GREATER, THE MAXIMUM GAP TOLERANCE IS REDUCED TO 1/16".
SPLICING OF WALL STUDS OR HEADERS IS NOT ALLOWED, UNLESS NOTED OTHERWISE.
ALL HEADERS/BUILT-UP BEAMS AND BLOCKING ARE TO BE CONSTRUCTED WITH UNPUNCHED MATERIAL ONLY.
COLD-FORMED FRAMING CONNECTIONS SHALL BE AS FOLLOWS:
COLD-FORMED METAL FRAMING CONNECTIONS
FASTENER PRODUCT
SCREWS ELCO DRIL-FLEX OR HILTI KWIK-FLEX (ESR-3332)
PAF'S HILTI X-U (ESR-2269)
FOR SCREWS, PROVIDE 3/4" MINIMUM CLEARANCE FROM ALL EDGES AND 3/4" MINIMUM CENTER TO CENTER SPACING.
FASTENERS OF COMPARABLE SPECIFICATIONS AND LOAD CAPACITIES MAY BE SUBMITTED FOR APPROVAL.
WELDING SHALL CONFORM WITH AWS D1.3.
/4
/2
G R
A P
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S C
A L E
-F O
R R
E F
E R
E N
C E
O N
L Y
DRAWING SCALE IS REDUCED 50% WHEN SHEET SIZE IS 17" x 22".
SUBMITTED BY
DESIGNED BY
DRAWN BY
CHECKED BY
DATE
SHEET NO.
DRAWING NO.
TYPE
DISC. SHT. NO.
EAN PAN
NO. DATE BY REVISIONS
A
PP
C A
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NO. DATE BY REVISIONS
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IF ELECTRONIC SIGNATURE IS BROKEN OR MISSING - THIS IS NOT A LEGAL DRAWING
TYPE
D R
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IN
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B▲ A▲
7/21/2026 2:33:58 PM Autodesk Docs://PDX Moving Walkways, Play Area & Wayfinding Signage/PDX-103101-STR_Signage-Walkway.rvt
GENERAL STRUCTURAL NOTES - 2 - STRUCTURAL
PORTLAND INTERNATIONAL AIRPORT
S0.003
AUGUST 2026
A. MONNIER
J. DE BOER
S. THOMAS
JAY OSTLUND
TERMINAL AND CONCOURSES WAYFINDING SIGNAGE
PDX 2026-512
CD
1031012026D004
8111 SW Fifth Ave., Suite 2600 Portland, OR 97204 O 503.227.3251 - F 503.227.7980
EXPIRES 12/31/202606/30/2028
7/27/2026
| 2026-07-27T15:41:37-0700 | |
| James Vodden |
File details come from the government source that posted it. Updated .