Selecting pipe materials is not something New York City takes lightly, as it’s the availability of water that has allowed NYC to grow to its enormous size in a relatively small footprint. When choosing materials for its water mains, NYC looks for products that can withstand the tests of time and will not need replacement for more than 100 years.
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The year was 1989. The place was Anchorage, Alaska. The project was the installation of a gravity sewer line beneath Campbell Lake while it was drained for dam repairs. While this type of project and installation is unique in itself, the pipeline’s performance during a magnitude 7.1 earthquake more than 30 years after it was installed is equally remarkable.
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On the morning of Dec. 12, 2017, about 30 homes in Louisville, Kentucky’s Shelby Park neighborhood were without water, and others were experiencing low water pressure after a massive water main break at the intersection of Clay and Oak streets. More than 20 million gallons of water flooded the neighborhood, covering a three-block area.
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The town of Danville, Indiana, recently became the first in the state to specify and install zinc-coated ductile iron pipe. The 1,500 linear feet of 6-inch zinc-coated AMERICAN ductile iron pipe was used in a replacement project. Water Superintendent Jim […]
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This study looked at one city’s positive first experience with Horizontal Directional Drilling using ductile iron pipe and involved three successful pulls of 1,140, 940 and 740 feet.
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