PDX 2026-501 (78) C5.03.pdf
PDF 417 KB Posted
- Solicitation number
- 147231
- Issued by
- Multnomah County, Oregon
About this file
This is an Erosion and Sediment Control (ESC) plan document for the Portland International Airport North Runway Rehabilitation project located in Portland, Oregon. The plan provides detailed specifications for erosion control measures along Runway 10L-28R, specifically covering the section from Station 210+00 to Station 220+00. The document establishes minimum ESC requirements for anticipated site conditions and mandates that all graded or disturbed unpaved surfaces be permanently stabilized through seeding or approved jet blast material application. Dewatering land disposal must be placed outside active Operational Facilities Areas (OFAs) and submitted for Port approval in accordance with Department of Environmental Quality (DEQ)-approved Best Management Practices (BMPs). The plan was prepared by HNTB Corporation and dated October 2026, with professional engineering certification by Garrett P. Stevens (Oregon PE #89696, expiring 06/30/28).
The ESC measures outlined in this plan are minimum requirements that must be constructed in conjunction with all excavation and grading activities, with provisions for upgrades during construction to ensure sediment and sediment-laden water do not leave the site, enter drainage systems, be tracked on roadways, or violate applicable water quality standards. Daily inspection and maintenance of ESC measures is required, with inactive sites requiring inspection and maintenance at minimum every two weeks or within 24 hours following storm events. The plan includes specific details on inlet protection, disturbance boundaries, grading limits, seeding areas, and finish contours, with cross-references to alignment geometry and paving limit sheets (C1.01 through C1.11) and additional erosion control details supporting the overall project scope.
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Text version
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SCALE: IN FEET
0' 25' 50' 100' 150'
N
SCALE:
RUNWAY 10L-28R STA 210+00 TO STA 220+00
1" = 50'1
NOTE:
1. EROSION CONTROL BASED ON 10L-28R CENTERLINE ALIGNMENT.
SEE SHEETS C1.01 THROUGH C1.11 FOR ALIGNMENT GEOMETRY
AND PAVING LIMITS.
2. ALL GRADED OR DISTURBED UNPAVED SURFACES SHALL BE
PERMANENTLY STABILIZED BY SEEDING, OR WHERE APPROVED, BY
APPLICATION OF JET BLAST MATERIAL. SEE SPECIFICATIONS FOR
SEEDING AND JET BLAST MATERIAL.
3. ALL DEWATERING LAND DISPOSAL SHALL BE PLACED OUTSIDE OF
ACTIVE OFAS AND SHALL BE SUBMITTED FOR PORT APPROVAL WITH
DEWATERING PLANS. DEWATERING MUST BE PERFORMED PER DEQ
APPROVED BMP.
4. THE ESC MEASURES SHOWN ON THESE PLANS ARE MINIMUM
REQUIREMENTS FOR THE ANTICIPATED SITE CONDITIONS.
CONSTRUCT MEASURES IN CONJUNCTION WITH ALL EXCAVATION
AND GRADING ACTIVITIES. DURING THE CONSTRUCTION PERIOD
THESE MEASURES SHALL BE UPGRADED AS NEEDED TO INSURE
THAT SEDIMENT AND SEDIMENT-LADEN WATER DOES NOT LEAVE
THE CONSTRUCTION SITE, ENTER THE DRAINAGE SYSTEM, BE
TRACKED ON ROADWAYS, OR VIOLATE APPLICABLE WATER
STANDARDS.
5. INSPECT ESC MEASURES DAILY AND MAINTAIN AS NECESSARY TO
ENSURE THEIR CONTINUED FUNCTIONING.
6. ESC MEASURES ON AN INACTIVE SITE(S) SHALL BE INSPECTED
AND MAINTAINED A MINIMUM OF EVERY 2 WEEKS OR WITHIN 24
HOURS FOLLOWING A STORM EVENT (DEFINED AS DISCHARGE
FROM SITE).
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FINISH PAVING CONTOUR MAJOR
(SHOWN @ 1' INTERVALS)
FINISH GRADING CONTOUR MAJOR
(SHOWN @ 1' INTERVALS)
EXISTING CONTOUR MAJOR
DISTURBANCE BOUNDARY
GRADING LIMITS
CLEANOUT
CATCH BASIN
MANHOLE
RUNWAY/TAXIWAY LIGHTS
SEEDING AREA
INLET PROTECTION, SEE DETAILS
LEGEND:
26.0'
26.0'
26.2'
PORTLAND OFFICE
5500 MEADOWS RD., #250
LAKE OSWEGO, OR 97035
503.419.2130 OFFICE
503.639.2710 FAX
KEY PLAN
SCALE : N.T.S.
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10/5/2026
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DESIGN NUMBER PROJECT NUMBER
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4:13:39 PM CAASLAND c:\users\caasland\dc\accdocs\hntb corporation\88598 - pdx north runway rehab\project files\shared cad\sheets - civil\erosion control 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
EROSION AND SEDIMENT CONTROL
RUNWAY 10L-28R STA 210+00 TO STA 220+00
GENE TUPPER
G. STEVENS
C. AASLAND
B. FOSTER
OCTOBER 2026
78 CD
PDX 2026-501 C5.032024D011 102981
C5.18
DISTURBANCE
BOUNDARY (TYP)
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PERIMETER ROAD
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ARFF ROAD
INLET PROTECTION
(TYP)
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MATCHLINE, SEE SHEET C5.15
A
S EPT EMBER 0 8 , 2
0 2 0
GARRETT P. STEVENS
EXP: 06/30/28
ENGINEER
RE
GIS
TERED PROFESSIONAL
OREGON
89696PE
MULTICORELINK:EROSION CONTROL PLANS-EC PLAN 1
MULTICORELINK:EROSION CONTROL PLANS-EC DETAILS 1
MULTICORELINK:EROSION CONTROL PLANS-EC PLAN 12
| Sheets and Views |
| EROSION CONTROL PLANS-EC PLAN 0 |
| 2026-10-06T16:19:26-0700 | |
| DIGITALLY SIGNED | |
| Garrett P Stevens |
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