OR FLAP DOT CRGNSA 100(8)_Photo Essay.pdf
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- Solicitation number
- 69056723B000019
About this file
This document provides a photo essay and statement of work for the OR FLAP DOT CRGNSA 100(8), Multnomah Falls Viaducts Repair Project. The project involves repairing deterioration on the West and East Viaduct structures including concrete patching, cathodic protection installation, and cementitious concrete coating and silane application to bridge rails. The photo essay documents existing conditions through 32 photos depicting deterioration such as delamination, spalling, cracking, and exposed rebar of the concrete longitudinal beams, crossbeams, deck, columns, and rock walls under both viaduct structures. Bidders are advised to field verify defect locations and types before bidding. The related federal contract opportunity is solicitation number 69056723B000019 for the Multnomah Falls Viaducts Repair Project issued by the Department of Transportation Federal Highway Administration.
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Multnomah Falls Viaducts Repair Project
July 27, 2023 1
PHYSICAL DATA
for
OR FLAP DOT 100(8),
Multnomah Falls Viaducts Repair Project
Photo Essay
West Viaduct Structure # 00840
East Viaduct Structure #00841
Submitted by
David Evans and Associates, Inc.
July 27, 2023
July 27, 2023 2
Contents
TABLE OF CONTENTS:
STATEMENT OF UNDERSTANDING
WEST VIADUCT
EAST VIADUCT
July 27, 2023 3
STATEMENT OF UNDERSTANDING
Photos provided in this photo essay were taken in 2015. Photos represent conditions below the viaducts, at that time. This photo essay is provided for use by prospective bidders because access to the underside of the viaducts is limited.
The Contractor is to field verify defect locations, defect type, and extents of defects. The
Contract Plans and Specifications are the contract documents and these photos are provided for information only.
July 27, 2023 4
WEST VIADUCT
July 27, 2023 5
Photo 1: West Viaduct
Photo Description: Photo taken from east end of West Viaduct looking west.
Notes: Photo shows proximity of tracks to structure, and proximity of rockfall detection fence to structure. Existing third rail is visible. Photo shows the need for contractor to construct level parking areas outside of the railroad Red Zone for materials and equipment storage during train passing.
July 27, 2023 6
Photo 2: Underside of West Viaduct
Photo Description: Photo taken under West Viaduct looking east. The deck soffit and crossbeams are shown, which receive concrete patching and cathodic protection.
Notes: Photo shows existing abandoned utility pipe. Photo shows the condition of the existing ground below the viaduct.
July 27, 2023 7
Photo 3: North Longitudinal Beam Delamination/Spalling
Photo Description: Upward view of a north longitudinal beam with exposed vertical and longitudinal reinforcing, spalling, and failing existing repairs on the West Viaduct.
The photo also shows the bottom view of the bridge rail which receives a cementitious concrete paint and silane application.
Notes: Photo shows presence of organic material covering concrete. Photo shows severity of existing deterioration.
July 27, 2023 8
Photo 4: North Longitudinal Beam Exposed Rebar
Photo Description: Upward view of a north longitudinal beam with exposed vertical and longitudinal reinforcing, spalling. The photo also shows the soffit of the deck.
July 27, 2023 9
Photo 5: North Longitudinal Beam Cracking
Photo Description: View of south face of a north longitudinal beam with cracking and possible near surface reinforcing located just under concrete surface (red arrow).
July 27, 2023 10
Photo 6: South Longitudinal Beam Delamination/Spalling
Photo Description: View of north face of a south longitudinal beam with delamination, spalling, and a void below. The existing abandoned utility pipe is also visible in the foreground of the photo.
Notes: Photo shows presence of organic material covering concrete. Photo shows severity of existing deterioration. After the concrete is repaired, the void below the beam will be filled with grout to restore bearing.
July 27, 2023 11
Photo 7: Crossbeam Delamination/Spalling
Photo Description: View of crossbeam with near surface stirrup reinforcing, delamination, spalling, and failing existing repair. The north column is visible on the left side of the photo.
Notes: Photo shows presence of organic material and staining of existing concrete.
Photo shows severity of existing deterioration.
July 27, 2023 12
Photo 8: Crossbeam Exposed Rebar
Photo Description: View of crossbeam with near surface stirrup reinforcing.
Notes: Photo shows presence of staining of existing concrete. Photo shows severity of existing deterioration.
July 27, 2023 13
Photo 9: Crossbeam Cracking
Photo Description: View of crossbeam with cracking and previous patch.
Notes: Photo shows presence of staining of existing concrete and prior patching repairs.
Photo shows severity of existing deterioration.
July 27, 2023 14
Photo 10: Deck Delamination/Spalling
Photo Description: View of deck soffit with delamination, spalling, and exposed reinforcing.
Notes: Photo shows presence of staining of existing concrete. Photo shows severity of existing deterioration.
July 27, 2023 15
Photo 11: Deck Delamination/Spalling
Photo Description: View of deck soffit with delamination, spalling, exposed reinforcing, and failing prior repairs.
Notes: Photo shows presence of staining of existing concrete and prior patching repairs. Photo shows severity of existing deterioration.
July 27, 2023 16
Photo 12: Deck Exposed Rebar
Photo Description: View of deck soffit with exposed near surface reinforcing.
Notes: Photo shows presence of organic material and staining of existing concrete. Photo shows severity of existing deterioration.
July 27, 2023 17
Photo 13: Rock wall west of the West Viaduct
Photo Description: Looking south at rock wall west of the West Viaduct
Notes: Two guard rocks are tipped over. Another guard rock is missing. Wall rocks are displaced or missing. Existing rock wall with some chinking rocks in place and others missing. Vegetation covers areas of wall. Photo shows severity of existing deterioration.
July 27, 2023 18
Photo 14: Rock wall west of the West Viaduct
Photo Description: Looking south at rock wall west of the West Viaduct
Notes: Existing rock wall with some chinking rocks in place and others missing. Vegetation covers areas of wall. Photo shows severity of existing deterioration.
July 27, 2023 19
EAST VIADUCT
July 27, 2023 20
Photo 15: East Viaduct Structure #00841
Photo Description: Photo taken from shoulder of I-84 looking southeast.
Notes: Photo shows overall site.
July 27, 2023 21
Photo 16: Spans 2 and 3
Photo Description: Looking south at Spans 2 and 3. Rock fall detection fence wires visible. The photo also shows the bottom view of the bridge rail which receives a cementitious concrete paint and silane application.
Notes: The viaduct is shorter in these spans than in other spans.
July 27, 2023 22
Photo 17: Spans 12-13
Photo Description: Looking south at Spans 12 and 13. Rock fall detection fence wires visible. The photo also shows the bottom view of the bridge rail which receives a cementitious concrete paint and silane application.
Notes: The viaduct is taller in these spans than in other spans.
July 27, 2023 23
Photo 18: Taken from Span 20 looking east.
Photo Description: Photo taken from Span 20, looking east at north columns, existing stacked rock walls, and adjacent railroad.
Notes: The viaduct is taller in these spans than in other spans. Material on slope is loose.
July 27, 2023 24
Photo 19: Spans 24-25
Photo Description: Looking south at Spans 24 and 25. Existing abandoned utility pipe is visible behind the column.
Notes: The viaduct is taller in these spans than in other spans. Material on slope is loose. Existing patching is visible on the north longitudinal beam. Existing rock walls between north columns.
July 27, 2023 25
Photo 20: Spans 50-51 in center of photo
Photo Description: Looking south at Spans 50 and 51 in the center of the photo. Bent
50 middle footing is undermined (red arrow). The photo also shows the bottom view of the bridge rail which receives a cementitious concrete paint and silane application.
Notes: The viaduct is taller in these spans than in other spans. Material on slope is loose. Existing patching is visible on the north longitudinal beam. Existing abandoned utility pipe visible.
July 27, 2023 26
Photo 21: Spans 82-83
Photo Description: Looking south at Spans 82 and 83. The photo also shows the bottom view of the bridge rail which receives a cementitious concrete paint and silane application.
Notes: The viaduct is shorter in these spans than in other spans. Existing patching is visible on the north longitudinal beam.
July 27, 2023 27
Photo 22: North Longitudinal Beam Delamination/Spalling
Photo Description: Upward view of a north longitudinal beam with exposed vertical and longitudinal reinforcing, spalling, and failing existing repairs. In the desk soffit, there are spalls with exposed reinforcing.
Notes: Photo shows presence of concrete straining. Photo shows severity of existing
July 27, 2023 28
Photo 23: North Longitudinal Beam Cracking
Photo Description: Upward view of north longitudinal beam with existing repairs. The photo also shows the bottom view of the bridge rail which receives a cementitious concrete paint and silane application.
Notes: Photo shows presence of staining of existing concrete. Photo shows severity of
July 27, 2023 29
Photo 24: South Longitudinal Beam Delamination/Spalling
Photo Description: South longitudinal beam with failing repair, delamination, spalling, and exposed reinforcing.
Notes: Photo shows presence of staining of existing concrete. Photo shows severity of
July 27, 2023 30
Photo 25: South Longitudinal Beam Cracking
Photo Description: South longitudinal beam with cracking and possible delamination.
Notes: Photo shows presence of staining of existing concrete. Photo shows severity of existing deterioration.
July 27, 2023 31
Photo 26: Crossbeam Delamination/Spalling
Photo Description: Cross beam near surface reinforcing with failing repairs. Right side of photo shows the south column.
Notes: Photo shows presence of concrete straining. Photo shows severity of existing
July 27, 2023 32
Photo 27: Crossbeam Exposed Rebar
Photo Description: Cross beam near surface reinforcing (red arrows).
Notes: Photo shows presence of concrete straining. Photo shows severity of
July 27, 2023 33
Photo 28: Crossbeam Cracking
Photo Description: Cross beam cracking near south column.
July 27, 2023 34
Photo 29: Deck Delamination/Spalling
Photo Description: Deck soffit spalling and exposed reinforcing.
Notes: Photo shows spalls with green paint. Photo shows presence of concrete straining. Photo shows severity of existing deterioration.
July 27, 2023 35
Photo 30: Deck Cracking
Photo Description: Deck soffit with staining and cracking.
July 27, 2023 36
Photo 31: Column Delamination/Spalling
Photo Description: North column with cracking, spalling, and exposed reinforcing.
July 27, 2023 37
Photo 32: Rock wall at east end of East Viaduct
Photo Description: Looking south at the rock wall at the east end of the East Viaduct
Notes: Existing rock wall with some chinking rocks in place and others missing.
Vegetation covers areas of wall. Photo shows severity of existing deterioration.
July 27, 2023 38
Photo 33: Rock wall west of East Viaduct
Photo Description: Looking south at rock wall at the west end of the East Viaduct
Notes: Existing rock wall with some chinking rocks in place and others missing.
Vegetation covers areas of wall. Photo shows severity of existing deterioration.
File details come from the government source that posted it. Updated .