The Plumbing Efficiency Research Coalition is set to begin its long-anticipated Drainline Transport in Buildings study. The effort is aimed at determining if decreasing levels of water flow––caused by increasingly efficient plumbing fixtures––are sufficient to clear debris from plumbing pipes.
Essentially, plumbing experts have expressed concerns that the industry has reached a tipping point in terms of the ability of low-flow fixtures to adequately transport waste through drain lines, particularly in larger commercial systems with long horizontal runs to the sewer. Soon, they worry, end-users and professionals will avoid using more efficient products.
That, combined with the fact that such problems have been reported with low-flow plumbing systems in Europe and Australia, has raised many questions.
“I look forward to the results of the Drainline Transport study,” says David C. Smith, PE, plumbing and fire protection department manager, Bala Consulting Engineers, King of Prussia, Pa. “Logic states that less water in the waste stream will not carry the waste as far in the drainage piping.”
By analyzing the drainage issue from a standpoint of slope, flush volume, toilet design, and whether periodic surges of water into a building drain can help, researchers hope to come away with a more informed understanding of the issue.
David E. DeBord, CPD, LEED BD+C, ARCSA-AP, a Chicago-based plumbing and fire protection engineer, wonders if ultimately the industry will need to reduce the size of piping to maintain the minimum velocities required to assure proper scouring, and whether a 1/8-inch minimum pitch per foot of piping is still sufficient in this new world of low-flow plumbing systems.
PERC’s coalition members include the International Association of Plumbing & Mechanical Officials (IAPMO), Alliance for Water Efficiency (AWE), the American Society of Plumbing Engineers (ASPE), the International Code Council (ICC), Plumbing-Heating-Cooling Contractors (PHCC), and Plumbing Manufacturers International (PMI). The group’s impending research is scheduled to be conducted at an American Standard testing facility. +
Related Stories
Building Team | Apr 14, 2022
TLC Engineering Solutions, Inc. acquires Moye I.T. Consulting, LLC
TLC Engineering Solutions, Inc. (TLC) is excited to announce that Moye I.T. Consulting, LLC (Moye Consulting) has joined the TLC team, expanding the breadth of its IT and Technology capabilities, as well as its national portfolio.
Wood | Apr 13, 2022
Mass timber: Multifamily’s next big building system
Mass timber construction experts offer advice on how to use prefabricated wood systems to help you reach for the heights with your next apartment or condominium project.
AEC Tech | Apr 13, 2022
Morphosis designs EV charging station for automaker Genesis
LA-based design and architecture firm Morphosis has partnered with automotive luxury brand Genesis to bring their signature brand and styling, attention-to-detail, and seamless customer experience to the design of Electric Vehicle Charging (EVC) Stations.
AEC Tech | Apr 13, 2022
A robot automates elevator installation
Schindler—which manufactures and installs elevators, escalators, and moving walkways—has created a robot called R.I.S.E. (robotic installation system for elevators) to help install lifts in high-rise buildings.
Government Buildings | Apr 11, 2022
Milan’s new US Consulate celebrates Italian design
In Milan, Italy, the new U.S. Consulate General broke ground on April 6. Managed by Overseas Buildings Operations (OBO), a U.S. government agency that directs overseas builds, the 10-acre campus will feature a new Consulate building, as well as the restoration of the site’s historic Liberty Building and reconstruction of a pavilion on the 80,000-square-foot parade ground.
Sponsored | BD+C University Course | Apr 10, 2022
Designing with commercial and industrial insulated metal wall panels
Discover the characteristics, benefits and design options for commercial/industrial buildings using insulated metal panels (IMPs). Recognize the factors affecting panel spans and the relationship of these to structural supports. Gain knowledge of IMP code compliance.
Laboratories | Apr 7, 2022
North Carolina's latest play for biotech real estate development
The Tar Heel State is among a growing number of markets rolling out the welcome mat for lab spaces.
Healthcare Facilities | Apr 7, 2022
Visibility breeds traffic in healthcare design
Ryan Companies has completed several healthcare projects that gain exposure by being near retail stores or office buildings.
Multifamily Housing | Apr 7, 2022
Ken Soble Tower becomes world’s largest residential Passive House retrofit
The project team for the 18-story high-rise for seniors slashed the building’s greenhouse gas emissions by 94 percent and its heating energy demand by 91 percent.
Architects | Apr 7, 2022
Perkins Eastman, Kliment Halsband Architects to merge
Perkins Eastman and Kliment Halsband Architects have announced their merger, which will combine the formidable talents, experience, and skills of both legacy firms. With Perkins Eastman celebrating its 40th anniversary and Kliment Halsband celebrating its 50th, this merger promises to create powerful synergies.