ISO-Compliant, Peer-Reviewed EPD for PVC Water and Wastewater Piping

Supporting Green Infrastructure and Sustainability Goals The Uni-Bell PVC Pipe Association (PVCPA) has introduced North America’s first industry-wide environmental product declaration (EPD) for PVC water and wastewater piping. Verified by NSF Sustainability, a division of the globally recognized NSF International, this EPD plays a crucial role in helping municipalities and businesses meet their green building and infrastructure goals. Developed in compliance with ISO 14025 international environmental standards, the EPD evaluates the environmental impact of seven different PVC pipe products across their entire life cycle. These include PVC pressure pipes for potable water, reclaimed water, and sewer force main systems, as well as PVC non-pressure pipes used in storm sewer and sanitary sewer systems. NSF Sustainability rigorously reviewed and validated the life cycle assessment (LCA), ensuring that all claims adhere to strict verification standards.Unmatched Longevity and Efficiency in Water Infrastructure Functional Unit The EPD measures environmental impact per 1,000 feet of installed PVC pipe with belled ends every 20 feet for 8-inch and 24-inch pipes, assessed over a 50-year building lifecycle. However, PVC pipes are designed for much longer use—over 100 years, as confirmed by multiple research studies and real-world excavations after 70+ years of service. The analysis also considers pumping energy required during use, following guidelines from the Product Category Rule (PCR). Unlike other piping systems, PVC pipes require fewer fittings, improving efficiency and reducing installation complexity. While the PCR mandates assumptions for fitting usage, real-world installations typically require far fewer fittings than the standard suggests, further enhancing PVC’s sustainability profile. Cradle-to-Grave Life Cycle Assessment System Boundary This EPD follows a cradle-to-grave system boundary, encompassing every stage from resource extraction to installation and end-of-life disposal. The life cycle impact assessment (LCIA) considers factors like material sourcing, manufacturing, transportation, and long-term use, ensuring a transparent and comprehensive view of PVC’s environmental footprint. With sustainability at the forefront, PVC piping systems continue to be a top choice for water and wastewater infrastructure, offering unmatched durability, energy efficiency, and environmental benefits. https://www.uni-bell.org/portals/0/ResourceFile/pvc-pressure-pipe-standards-for-sewer-force-mains.pdf

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