PDX 2026-501 (147) C8.05.pdf
PDF 518 KB Posted
- Solicitation number
- 147231
- Issued by
- Multnomah County, Oregon
About this file
This is a Civil Utility Removal and Adjustment Plan prepared for the Portland International Airport North Runway Rehabilitation project in Oregon. The document serves as a technical drawing specification for utility management along Runway 10L-28R, detailing the removal, adjustment, and protection of existing utilities within the project area from Station 310+00 to Station 319+00. The plan identifies three specific utility assets requiring adjustment: a cleanout structure at Station 313+99.92 with finished elevation of 28.77 feet, a flush hydrant assembly at Station 318+24.66 with finished elevation of 28.64 feet, and three flush hydrant valves at Station 318+25.54 with finished elevation of 28.05 feet. All assets are referenced by their respective Asset IDs and current elevations, with specific offset measurements provided relative to the runway centerline. The project design was completed in October 2026, with the drawing certified by Professional Engineer Hans N. Conradt (Oregon PE #60434, expiring December 31, 2027).
The utility adjustment plan incorporates comprehensive protection and reconstruction protocols, including requirements to remove cleanout tops and covers to accommodate grading work, seal pipe openings to prevent debris intrusion, and reinstall components at final finished elevations upon grading completion. All utilities not explicitly designated for removal are to be protected in place during construction activities. The plan cross-references related electrical utility removal plans and additional detail sheets (C8.06, C9.11) for comprehensive project coordination. The drawing employs a graphic scale of 1 inch equals 50 feet and was optimized for viewing and printing with specific shading settings to ensure clarity of all plan elements.
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Text version
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UTILITY ADJUSTMENT TABLE
STATION
313+99.92
318+24.66
318+25.54
OFFSET
120.50 RT
130.11 RT
171.69 RT
ASSET
ID # DESCRIPTION
CLEANOUT
FLUSH HYDRANT ASSEMBLY
FLUSH HYDRANT VALVES (3)
EX.
ELEV.
28.59
28.77
28.05
FIN.
ELEV.
ADJ.
DETAIL
28.77 NARWFH000001423
28.64 RARSTSCO0002797
28.05 RAR
WVLV00002973
WVLV00002974
WVLV00002975
SCALE:
RUNWAY 10L-28R STA 310+00 TO STA 319+00
1" = 50'1
10/6/2026
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DESIGN NUMBER PROJECT NUMBER
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1:47:53 PM NCHOWDHURY c:\users\nchowdhury\dc\accdocs\hntb corporation\88598 - pdx north runway rehab\project files\shared cad\sheets - civil\utility adjustment plans.dwg
DISC. SHT. NO.
DRAWING SCALE IS REDUCED 50% WHEN SHEET SIZE IS 11" x 17"
DESIGN BY
DRAWN BY
CHECKED BY
DATE
SHEET NO.
SUBMITTED BY
DRAWING NO.
TYPE:
1/
4" 1/
2" 1"
1/
4" 1/
2" 1"
DATE BY REVISION APPDATE BY REVISION APP ##
IF ELECTRONIC SIGNATURE IS BROKEN OR MISSING - THIS IS NOT A LEGAL DRAWING
PORTLAND INTERNATIONAL AIRPORT
NORTH RUNWAY REHABILITATION
CIVIL UTILITY REMOVAL AND ADJUSTMENT PLAN
RUNWAY 10L-28R STA 310+00 TO STA 319+00
GENE TUPPER
C. EISELER
N. CHOWDHURY
H. CONRADT
OCTOBER 2026
147 CD
PDX 2026-501 C8.052024D011 102981
KEY PLAN
SCALE : N.T.S.
N
N
SCALE: IN FEET
100500 25 150
NAR = NO ADJUSTMENT REQUIRED (RETAIN AND PROTECT)
ADJ = ADJUST STRUCTURE TO NEW FINISHED ELEVATION
RAR = REMOVE AND REPLACE AT CURRENT LOCATION
LIMITS OF PAVING
LEGEND:
NOTE(S):
1. STATION OFFSET IN UTILITY ADJUSTMENT TABLE BASED
ON RUNWAY 10L-28R CENTERLINE.
2. SEE ELECTRICAL REMOVAL PLANS FOR ELECTRICAL
UTILITY REMOVALS IN THIS AREA.
3. ALL UTILITIES NOT DESIGNATED FOR REMOVAL SHALL BE
PROTECTED IN PLACE.
4. REMOVE CLEANOUT TOP AND COVER TO
ACCOMMODATE GRADING WORK. SEAL TOP OF PIPE TO
PREVENT DEBRIS FROM ENTERING THE PIPE.
FOLLOWING COMPLETION OF GRADING, REMOVE
SEALING MATERIAL AND INSTALL NEW TOP AND COVER
AT FINISH ELEVATION.
C8.06
C9.11 co CLEANOUT
EXISTING FLUSH HYDRANT ASSEMBLY
EXISTING FLUSH HYDRANT VALVES
C8.06
C8.06
RE
G ISTERED PROFESS IONALENG I NEER
MARCH 9 , 1999
60434PE
OREGON
12/31/27EXPIRES:
HA NS N . CONRA DT
| 2026-10-06T17:22:21-0700 | |
| Hans N Conradt |
File details come from the government source that posted it. Updated .