PDX 2026-5 (35) C6.08.pdf
PDF 239 KB Posted
- Attached to
- Portland International Airport Taxiway K West Gates E3 to E6 and Vehicle Service Road Rehabilitation
- Solicitation number
- 146992
- Issued by
- Multnomah County, Oregon
About this file
This document is an erosion control details sheet for the Portland International Airport Taxiway K West Gates E3 to E6 and Vehicle Service Road Rehabilitation project in Oregon. The drawing provides technical specifications and installation instructions for two primary erosion control measures: inlet protection and trench drain protection. The inlet protection detail illustrates the installation of a catch basin grate with a 1-inch rebar for bag removal, a 2-inch by 2-inch by 3/4-inch rubber block expansion restraint, and a filter sack within an existing catch basin connected to a storm pipe. The trench drain protection detail specifies the installation of geotextile fabric secured by grate covers on both sides across a 12-inch minimum trench opening width, with the fabric extending the full length of the trench drain and overlapping sections by a minimum of 2 feet to ensure continuous protection. The drawing is dated September 29, 2026, with a design number of PDX 2026-5 and sheet number 35.
The document was prepared by Chris Edwards (drawn by), reviewed by B. Nielsen (checked by), and submitted by P. Ebert, with final authorization by Brent Daniel Nielsen, a registered professional engineer in Oregon (license number 82697PE, expiration date 12/31/2026). The drawing is presented at a scale not-to-scale for reference purposes and includes a note that the drawing scale is reduced 50 percent when printed on 11-inch by 17-inch sheet size. The document is part of the project civil engineering documentation and serves as a technical reference for construction contractors and inspectors implementing erosion control measures during the taxiway and vehicle service road rehabilitation work.
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Text version
CATCH BASIN GRATE
1" REBAR FOR BAG REMOVAL
2" X 2" X 3/4" RUBBER BLOCK
EXPANSION RESTRAINT
FILTER SACK
EXISTING CATCH BASIN
STORM
PIPE
INSTALL GEOTEXTILE FABRIC,
SEE NOTES 1 AND 2
USE GRATE COVER
TO SECURE FABRIC
ON BOTH SIDES.
1'
APPROX. TRENCH
OPENING WIDTH
" M
IN
NOTE(S):
1. UNBOLT AND REMOVE GRATING
INSTALL FABRIC, AND REPLACE
AND BOLT GRATING.
2. INSTALL FABRIC THE FULL LENGTH
OF TRENCH DRAIN INDICATED.
OVERLAP SECTIONS BY 2' MINIMUM
TO PROVIDE CONTINUOUS
PROTECTION.
9/29/2026
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PRINTED:
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DESIGN NUMBER PROJECT NUMBER
2"
G R
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gr ay
10:42:56 AM EBERTP r:\aviation\pdx\2026\0005 - taxiway k west e3-e6 and vsr rehab\sheets - civil\erosion control details.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
TAXIWAY K WEST GATES E3 TO E6 & VEHICLE SERVICE ROAD REHABILITATION
EROSION CONTROL DETAILS
CHRIS EDWARDS
B. NIELSEN
P. EBERT
B. NIELSEN
OCT 2026
35 CD
PDX 2026-5 C6.082025D033 103134
JUNE 2 , 2 0 10BRENT DA NIEL NIELSEN
EXP: 12/31/2026
ENGINEER
RE
GIS
TERED PROFESSIONAL
OREGON
82697PE
BN
SCALE:
INLET PROTECTION
N.T.S.1 SCALE:
TRENCH DRAIN PROTECTION
N.T.S.2
| 2026-09-30T11:11:24-0700 | |
| Brent Nielsen | |
| I am the author of this document. |
File details come from the government source that posted it. Updated .