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  1. Rehabilitation of Penstocks and Structures vs. Replacement

    Hydroelectric power plants provide a good portion of North America's  power with many of these plants installed in the 1960's. As with all structures and assets, deterioration occurs with time, eventually leading to their replacement or rehabilitation. Of all the assets in a hydro plant, the structural integrity of the penstock(s) is of key concern as well as looking for ways in which to increase power output. Fibrwrap will be holding a free webcast on Dec 2nd & 4th which will review the means on how to evaluate the structural integrity of an existing penstock, engineering and design considerations for the rehabilitation of a penstock and the rehabilitation of penstocks using traditoinal and new advanced materials including carbon fibre. Also within the presentation, means of how to increase the structural integrity of floor slabs and beams will be addressed regarding how larger and heavy equipment can be installed for additional power generation as well as seismic upgrades.

    Webcasts

    Webcasts

    Tue, 2 Dec 2014

  2. Refurbishing Surge Tanks and Penstocks

    Ten of Nova Scotia Power’s 33 hydroelectric generating facilities feature steel surge tanks and penstocks to supply water to the turbines.

    Magazine Articles

    Magazine Articles

    Sat, 1 Sep 2007

  3. STICKY WICKETS: Custom-Made Trolley Simplifies Penstock Inspections

    To inspect the steel penstocks that supply water to two of its hydro projects, Nova Scotia Power developed a custom-made trolley.

    Magazine Articles

    Magazine Articles

    Tue, 1 Apr 2008

  4. U.S. seeks firms to blast, repair penstocks at 96-MW Greers Ferry

    The U.S. Army Corps of Engineers seeks information on small businesses that can blast clean, repair, and paint two penstocks at the 96-MW Greers Ferry hydroelectric project in Arkansas.

    Online Articles

    Online Articles

    Tue, 1 Nov 2011

  1. U.S. seeks penstock repainting at 96-MW Greers Ferry

    Online Articles

    Online Articles

    Mon, 6 Feb 2012

  2. Installing a carbon fiber-reinforced polymer penstock at Brian J. Gallagher Generating Station

    Buckling of the steel liner of the penstock supplying the 4.6-MW Brian J. Gallagher Generating Station in Canada resulted in a 50% decrease in power output. The problem was repaired using carbon fiber-reinforced polymer.

    Magazine Articles

    Magazine Articles

    Tue, 10 Mar 2015

  3. French utility seeks power tunnel, penstock rehab at 34-MW Sabart hydro project

    Electricite de France (EDF) seeks bids to rehabilitate the power tunnel and replace penstock sections and the discharge conduit of the 34-MW Sabart hydroelectric project in France.

    Online Articles

    Online Articles

    Thu, 4 Sep 2014

  4. Replacing a woodstave penstock with a smaller-diameter pipe increases water flow

    The 40-plus-year-old penstock supplying water to the 29-MW Rocky River pumped-storage plant was replaced with a smaller-diameter pipe that actually increases water flow to the plant, boosting power generation.

    Magazine Articles

    Magazine Articles

    Tue, 20 May 2014

  5. Norway utility seeks turbine, penstock for new 5-MW Haukland

    Norway utility Dalane Kraft AS seeks bids to supply a turbine and a penstock for a new 5-MW Haukland hydroelectric project at Lund, Norway.

    Online Articles

    Online Articles

    Wed, 12 Oct 2011

  6. BC Hydro seeks penstock leak detection at 180-MW Bridge River 1

    Canadian utility BC Hydro seeks bids for penstock leak detection at the 180-MW Bridge River 1 hydroelectric project, with options to perform similar work at another five hydro plants in British Columbia.

    Online Articles

    Online Articles

    Thu, 16 May 2013

  7. U.S. seeks penstock flowmeter replacement at eight hydro projects

    The Bureau of Reclamation seeks bids to replace penstock flowmeters at eight hydroelectric projects in its northern and central California areas.

    Online Articles

    Online Articles

    Tue, 20 Jan 2015

  8. Penstock bids extended for 126-MW Passy, dropped for 101-MW Aston

    Electricite de France (EDF) has extended the deadline for bids to refurbish the penstock of the 126-MW Passy hydroelectric project and canceled bidding for penstock work at the 101-MW Aston project in France.

    Online Articles

    Online Articles

    Thu, 20 Jan 2011

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