John E. Martin

John E. Martin is an industry consultant and former vice president of national account sales for Anvil International. He can be reached at jemassociates1944@gmail.com or 303-588-9806.

The roots of the Online Piping and Usage Specification resource

The original hard copy “guideline” manual would eventually become the Online Piping and Usage Specification resource, or OPUS.

John E. Martin

March 29, 2018

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MCAA’s Online Piping and Usage Specification resource was designed by tradespeople, for tradespeople.

The WWETT Show, Water & Wastewater Equipment, Treatment & Transport Show, is the event of the year for wastewater & environmental services professionals, is back—in person—in Indianapolis, February 22-24, 2022, conference starts February 21.

John E. Martin

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The roots of the Online Piping and Usage Specification resource

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