PDX 2026-512 (54) E1.770.pdf
PDF 2 MB Posted
- Solicitation number
- 146219
- Issued by
- Multnomah County, Oregon
About this file
This is an electrical demolition reflected ceiling plan drawing for the Portland International Airport Terminal and Concourses Wayfinding Signage project. The drawing, prepared by PAE Engineers, depicts Concourse C Enplaning Sector 70 and outlines specific electrical demolition requirements related to existing signage and circuits. The plan identifies seven keynoted demolition tasks, including disconnecting existing blade signs, suspended signs, and surface-mounted signs, with instructions on whether to retain circuits for new installations or demolish circuits back to source. The drawing is dated August 2026 and was created as part of project PDX 2026-512, with the document stamped as approved on July 24, 2026.
The drawing serves as a technical reference document for contractors executing the wayfinding signage project at Portland International Airport. It includes detailed notations requiring contractors to maintain connectivity to downstream devices where removals occur and to mark relays and breakers as spare when circuiting is completely removed. One keynote specifies that existing circuitry of unknown configuration must be field-verified and documented on as-built drawings. The plan is drawn at a scale of 1/8" equals 1'-0" and was prepared by designer P. Marks, drawn by D. Peek, and checked by Jay Ostlund, with professional engineer Grant R. Parthemer's license number 44775PE (Oregon, expiring December 31, 2026) authorizing the document.
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Text version
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151 SW 1st Avenue #300 Portland, OR 97204
503.226.2921 pae-engineers.com
7/24/2026 8:48:53 AM Autodesk Docs://PDX Moving Walkways, Play Area & Wayfinding Signage/26-1037 - PDX Wayfinding MEP25.rvt
CONCOURSE C - ENPLANING - SECTOR 70 - DEMOLITION REFLECTED CEILING
PLAN - ELECTRICAL
PORTLAND INTERNATIONAL AIRPORT
E1.770
AUGUST 2026
G. PARTHEMER
P. MARKS
D. PEEK
JAY OSTLUND
TERMINAL AND CONCOURSES WAYFINDING SIGNAGE
PDX 2026-512
CD
1031012026D004
N
SCALE: 1/8" = 1'-0"
CONCOURSE C - ENPLANING - SECTOR 70 - DEMOLITION REFLECTED CEILING PLAN - ELECTRICAL
KEYNOTE(S) :
1. DISCONNECT EXISTING BLADE SIGN.
RETAIN CIRCUIT FOR NEW SIGN IN
THIS LOCATION.
2. DISCONNECT EXISTING SUSPENDED
SIGN. RETAIN CIRCUIT FOR
EXTENSION.
3. DISCONNECT EXISTING SUSPENDED
SIGN. DEMOLISH CIRCUIT BACK TO
SOURCE OR LAST UPSTREAM DEVICE.
4. DISCONNECT EXISTING SURFACE
MOUNTED SIGN. RETAIN CIRCUIT FOR
NEW SIGN IN THIS LOCATION.
5. DISCONNECT EXISTING BLADE SIGN.
DEMOLISH CIRCUIT BACK TO SOURCE
OR LAST UPSTREAM DEVICE.
6. EXISTING CONNECTION TO CIRCUIT
THROUGH RELAY INDICATED.
REMOVE HOMERUN FROM LOAD SIDE
OF RELAY. REMOVE EXISTING LINE
SIDE CONNECTION FROM PANEL TO
RELAY AND MARK RELAY SPARE.
7. EXISTING CIRCUIT NOT KNOWN.
CONTRACTOR TO FIELD VERIFY AND
DOCUMENT ON AS-BUILTS FOR
RECORD DRAWINGS.
24'16'8'4'0'
SCALE: IN FEET
NOTE(S):
1. WHERE DEVICES OR CONNECTIONS
ARE REMOVED, PROVIDE CONDUIT
AND WIRE AS REQUIRED TO MAINTAIN
CONNECTIVITY TO ALL DOWNSTREAM
DEVICES THAT REMAIN.
2. WHERE CIRCUITING IS REMOVED
COMPLETELY BACK TO RELAY
AND/OR BREAKER, MARK RELAY
AND/OR BREAKER AS SPARE.
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EXPIRES: 12/31/2026
P
A
I
44775PE
OREGONJ
U L Y 13 , 19 9
9G R
A
NT R. PA RTHEM
E R
07/24/26
| 2026-07-24T10:10:54-0700 | |
| Grant Parthemer | |
| I am approving this document. |
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