PDX 2026-501 (96) C6.02.pdf
PDF 853 KB Posted
- Solicitation number
- 147231
- Issued by
- Multnomah County, Oregon
About this file
This is a Grading Plan document prepared for the Portland International Airport North Runway Rehabilitation project located in Oregon. The plan provides detailed grading specifications for Runway 10L-28R, specifically covering the section from Station 230+00 to Station 241+00. The document includes finish paving contours, finish grading contours, existing contours, paving limits, and drainage infrastructure details such as catch basins, manholes, and storm pipes. The plan was designed by Gene Tupper and Garrett P. Stevens, with the drawing completed in October 2026 under design number PDX 2026-501 (96) C6.02. The grading plan references alignment geometry and paving limits detailed in sheets C1.01 through C1.11 and matches to adjacent sheets C6.01 and C6.03.
The contractor is required to remove a minimum of 4 inches of soil between the project grading limits and outer edges of existing paved sections, with additional material removal directed by the Port as needed to eliminate deeper roots or objectionable organic material. The top 2 inches of disturbed infield grading shall consist of topsoil meeting specification T-905 requirements. The finish grade includes a 1.5-inch pavement drop at the edge of the shoulder to infield grading. The document is drawn to a scale of 1 inch equals 50 feet and includes a Taxiway Free Object Area (TOFA) designation. The plan was digitally signed by Registered Professional Engineer Garrett P. Stevens (License No. 89696PE, expiration 06/30/28) on October 6, 2026.
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Text version
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PORTLAND OFFICE
5500 MEADOWS RD., #250
LAKE OSWEGO, OR 97035
503.419.2130 OFFICE
503.639.2710 FAX
SCALE:
RUNWAY 10L-28R STA 230+00 TO STA 241+00
1" = 50'1
TAXIWAY A
N
SCALE: IN FEET
0' 25' 50' 100' 150'
RUNWAY 10L-28R
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SEPT EMBER 0 8 , 2
GARRETT P. STEVENS
EXP: 06/30/28
ENGINEER
RE
GIS
TERED PROFESSIONAL
OREGON
89696PE
10/5/2026
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DESIGN NUMBER PROJECT NUMBER
2"
G R
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4:24:07 PM CAASLAND c:\users\caasland\dc\accdocs\hntb corporation\88598 - pdx north runway rehab\project files\shared cad\sheets - civil\grading plans.dwg
DISC. SHT. NO.
DRAWING SCALE IS RED8&ED �0� 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
GRADING PLAN
RUNWAY 10L-28R STA 230+00 TO STA 241+00
GENE TUPPER
G. STEVENS
C. AASLAND
B. FOSTER
OCTOBER 2026
96 CD
PDX 2026-501 C6.022024D011 102981
KEY PLAN
SCALE : N.T.S.
N
FINISH PAVING CONTOUR MAJOR
(SHOWN @ 1' INTERVALS)
FINISH PAVING CONTOUR MINOR
(SHOWN @ 0.2' INTERVALS)
FINISH GRADING CONTOUR MAJOR
(SHOWN @ 1' INTERVALS)
FINISH GRADING CONTOUR MINOR
(SHOWN @ 0.2' INTERVALS)
EXISTING CONTOUR MAJOR
EXISTING CONTOUR MINOR
PAVING LIMITS
TAXIWAY FREE OBJECT AREA (TOFA)
DISTURBANCE BOUNDARY
CATCH BASIN
MANHOLE
SLOTTED MANHOLE
CLEANOUT
EXISTING STORM PIPE
EXISTING UNDERDRAIN
RUNWAY/TAXIWAY LIGHTS
FLOW DIRECTION (PROPOSED SURFACE)
LEGEND:
26.0'
26.0'
26.2'
26.0'
26.2'
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NOTES:
1. GRADING BASED ON 10L-28R CENTERLINE
ALIGNMENT. SEE SHEETS C1.01 THROUGH C1.11 FOR
ALIGNMENT GEOMETRY AND PAVING LIMITS.
2. AS A MINIMUM, CONTRACTOR SHALL REMOVE THE
UPPER 4" OF SOIL BETWEEN THE PROJECT GRADING
LIMITS AND THE OUTER EDGES OF THE EXISTING
PAVED SECTIONS. ADDITIONAL MATERIAL SHALL BE
REMOVED, WHEN DIRECTED BY THE PORT, TO
ELIMINATE DEEPER ROOTS OR OTHER
OBJECTIONABLE ORGANIC MATERIAL. STRIPPING OF
THIS MATERIAL SHALL BE CONSIDERED UNSUITABLE
EXCAVATION.
3. THE TOP 2" OF DISTURBED, INFIELD GRADING SHALL
CONSIST OF TOPSOIL MEETING THE REQUIREMENTS
OF T-905.
4. FINISH GRADE INCLUDES 1-1/2" PAVEMENT DROP AT
EDGE OF SHOULDER TO INFIELD GRADING.
TOFA
S EPT EMBER 0 8 , 2 0 2 0
GARRETT P. STEVENS
EXP: 06/30/28
ENGINEER
RE
GIS
TERED PROFESSIONAL
OREGON
89696PE
MULTICORELINK:GRADING PLANS-GRAD PLAN 1
MULTICORELINK:GRADING PLANS-GRAD PLAN 3
| Sheets and Views |
| GRADING PLANS-GRAD PLAN 2 |
| 2026-10-06T16:19:32-0700 | |
| DIGITALLY SIGNED | |
| Garrett P Stevens |
File details come from the government source that posted it. Updated .