Welded Steel Pipe (WSP)
American Water Works Association Standard C200
Steel Water Pipe - 16 inch and Larger
&
AWWA Manual No. M11

WSP is supplied in standard diameters 16" through 144", thicknesses up to 1 1/4" and a standard lay length of 40 feet for operating pressures up to 500 psi.

Welded Steel Pipe (WSP) consists of a steel cylinder lined with cement mortar and coated with a dense cement mortar. An easily assembled watertight joint is provided by using bell and spigot steel joint rings welded to the ends of the cylinder and sealed with a confined round rubber gasket. Larger diameters, other lengths and designs for greater operating pressures and a wide variety of coatings and joint configurations are also available.

Welded Steel Pipe (WSP) Case Histories

Multi-Purpose Pipeline Project for Contra Costa Water District

The Contra Costa Water District (CCWD) serves a population of about 450,000 people in north, central and east Contra Costa County. Formed in 1936 to provide water for irrigation and industry, CCWD is now one of the largest urban water districts in California and a leader in drinking-water treatment technology and source water protection.
See case history

In June, 2004, Ameron was awarded a contract by Achen Gardner Engineering, LLC to manufacture the Welded Steel Pipe for the Chaparral Water Treatment Plant Influent and Discharge Line. The pipe consists of roughly 21,000 lineal feet of pipe and fittings, ranging in diameter from 16” to 54”.
See case history

Moss Landing Power Plant

Duke Energy is part of the Duke family of companies, which constructs and operates power plants worldwide. Duke Energy is a global energy company with more than $26 billion in assets, and is the largest electric and gas entity in the nation. On July 1, 1998, Duke Energy purchased the seven generating units and support facilities of Moss Landing Power Plant (MLPP) from PG&E as part of the utility's divestiture of fossil-fueled power plants and the transition of the California electric generation market to a competitive market.
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The City of Santa Rosa is the managing partner of the Santa Rosa Subregional Reclamation System, which reclaims water and distributes it on behalf of the Cities of Cotati, Rohnert Park, Santa Rosa, and Sebastopol, and portions of the unincorporated area of Sonoma County. The City treats water to a tertiary level. More than 50 percent of this reclaimed water (nearly 4 billion gallons annually) is used to irrigate approximately 5,700 acres of farmlands, including pastures, hay crops, vineyards, and row crops.
See case history