A.07.20_NWP-TDA-Extended-Lock-Outage-Poster-Board.pptx

1 MB Posted

Attached to
THE DALLES NAVIGATION LOCK UPSTREAM GATE REPLACEMENT, CONTROLS UPGRADE, AND DOWNSTREAM GUDGEON REPLACEMENT
Solicitation number
W9127N16R0002
Issued by

About this file

From the source

Slide Presentation

View the file

Other files

File Type Posted
A.07.23_Site_Visit_List_18_Nov_2015.pdf PDF
A.07.23_Site_Visit_List_7_DEC_2015.pdf PDF
Technical_Specifications_Amendment_0001.pdf PDF
W9127N-16-R-0002-0001_Amendment_Drawings.pdf PDF
W9127N-16-R-0002-0001.pdf PDF
A.07.20_17MAR15SITEVISIT.pdf PDF

On GovTribe

Work with this file

  • Download the original file
  • Contacts named in this file
  • Similar government files
  • Ask GovTribe AI about this file
Try for free Login

Text version

The file's text, extracted by GovTribe without its formatting.

The Dalles 2017 Extended Lock Outage Plan

Scope of work limited to critical items Improve life safety concerns Improve lock reliability Reduce risk of unplanned lock outages Plan for future extended outages 2017 Scope:

Replace downstream gate gudgeon hardware Replace upstream gate Upgrade controls Eliminate operator and interlock safety concerns

BUILDING STRONG®

PORTLAND DISTRICT

Current Issues – DS Gate

Gudgeons (top hinge point) Cathodic protection Vibration

Current Issues US Gate Fracture critical structure Cracked Welds and deformed members Gate is twisted, causing uneven lifting

Current Issues Controls High over voltage at operator panel and interlock failure 2013 – temporary fix installed Wire insulation breakdown 57 year old hardware difficult to maintain – lock reliability – outage concerns image4.jpeg image5.jpeg image6.jpeg image7.jpeg image8.jpeg image9.jpeg image10.jpeg image11.jpeg image12.jpeg image13.jpeg image14.jpeg image15.jpeg image1.jpeg image2.png image3.png

File details come from the government source that posted it. Updated .