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Third Power Plant Overhaul Project
Project Update
Third Power Plant Overhaul Project Summary Third Power Plant Overhaul Project Schedule News & Multimedia
 
Project Update - Third Power Plant (TPP) Status Report – May 15, 2015
Mechanical Overhaul of Units G-22, G-23, and G-24: The $102M contract was awarded to Andritz Hydro, Inc. Onsite work and disassembly of the first generating unit, G24, began in March 2013. The unit is currently in final reassembly mode and scheduled to return to service in the fall of 2015. G23 will be overhauled next, followed by G22 and the overall project is projected to be completed by December 2017.
Overhaul of Units G-19, G-20, G-21: The uprate of generating units G19-G21 is in design phase with a 60% draft specification due in July of 2015. The scope of work is similar to that of the G22-G24 Mechanical Overhaul with the addition of replacement of new generators, shafts, and runner upgrades, which will add a total of 240 Megawatts of power generation at Grand Coulee. Design will continue into 2016 and the solicitation is scheduled for award in 2017. Model testing of the new runners is scheduled to occur in 2017-2018, followed by award in mid-2018. Construction is slated to begin in 2019.
 
 
 
 
As part of the Third Powerplant Overhaul Project, the contractor has prepared a simulation of the base scenario showing step-by-step how the units will be disassembled and placed in various locations. The animation was prepared using CAD files and other types of software listed in the credits. There is no audio in this version of the animation.

This interactive PDF showcases a 3D model of a generator and allows you to take it apart, rotate it, and view it in detail. Download the 9 mb PDF>>
 
Related Documents
Third Power Plant Generating Units Overhaul Activities EA Addendum
Third Power Plant Generating Units Overhaul Activities EA & FONSI
Grand Coulee's Third Power Plant 500-Kilovolt Transmission Line Replacement Project FONSI
Grand Coulee's Third Power Plant 500-Kilovolt Transmission Line Replacement Project EA (BPA)
 
Contacts
Brian Clark
bdclark@usbr.gov
Project Manager
Grand Coulee Power Office
(509) 633-9693
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Last Update: May 19, 2015 8:14 AM