1. All
  2. Blogs
  3. Conference Sessions
  4. Exhibitor Listings
  5. Magazine Articles
  6. Online Articles
  7. Webcasts
  8. Article
  9. Category
  10. Company
  11. Product
  12. Video


Penstock news and technical articles from Hydro World Magazine. Search Penstock latest and archived news and articles

  1. Rehabilitation of Penstocks and Structures vs. Replacement


    Tue, 2 Dec 2014

    structural integrity of the penstock (s) is of key concern as ..... 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

  2. Refurbishing Surge Tanks and Penstocks

    Magazine Articles

    Sat, 1 Sep 2007

    that contains the penstock . The concrete ..... high cliff. The penstocks at nine of the ..... dewatered the penstocks . With the penstock emptied, the contractor ..... Before beginning penstock inspections ..... Workers inspected penstocks using a custom

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

    Magazine Articles

    Tue, 1 Apr 2008

    inspections The penstocks at Nova Scotia ..... carried out a penstock refurbishment ..... inspections of the penstock interiors ..... of corroded penstocks ; and application ..... interiors of all penstocks on foot. However, the penstock that supplies

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

    Online Articles

    Tue, 1 Nov 2011

    repair, and paint two penstocks at the 96-MW Greers ..... capable of performing the penstock work. Responses are to ..... surfaces of two main-unit penstock assemblies, scroll cases, and wicket gates. Both penstocks are about 190 feet long

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

    Online Articles

    Mon, 6 Feb 2012

    blast clean, repair, and paint two penstocks and related equipment of the 96-MW ..... interior steel surfaces of two main-unit penstock assemblies, scroll cases, and wicket gates. Both penstocks are about 190 feet long, with diameters

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

    Online Articles

    Thu, 4 Sep 2014

    the power tunnel and replace penstock sections and the discharge ..... bids in 2011 to refurbish penstocks of a nearby plant in the group ..... Aston . It also took bids for penstock refurbishment at the 126 ..... the power tunnel and replace penstock sections, the discharge conduit

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

    Magazine Articles

    Tue, 10 Mar 2015

    transition section of this penstock buckled and deformed ..... the steel liner of the penstock supplying the 4.6 ..... generating stations are the penstocks . Unlike most other ..... rehabilitate damaged penstocks had significant economic ..... accessibility of the penstock (buried or above grade

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

    Magazine Articles

    Tue, 20 May 2014

    The 40-plus-year-old penstock supplying water to the 29 ..... storage plant. The original penstock , which operated from 1928 ..... ground installations such as penstocks . It is a structural filament ..... took 11 days to remove the penstock . "We cut the existing penstock

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

    Online Articles

    Wed, 12 Oct 2011

    seeks bids to supply a turbine and a penstock for a new 5-MW Haukland hydroelectric ..... to supply a new 1,110-meter penstock for the new power station, replacing ..... existing power station having two penstocks on the same route. Those tender

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

    Online Articles

    Thu, 16 May 2013

    BC Hydro seeks bids for penstock leak detection at the 180 ..... and installation of a penstock leak detection system on the Unit 2 penstock at Bridge River 1. A pre ..... require similar systems for penstocks of Units 1, 3, and 4 of