plumbing design

Can Schedule 40 PVC Be Used for DWV Piping in Medical Office Buildings?

July 13, 2022

Gabriela Uribe, a Plumbing Designer with The Interfield Group, is working on a three-floor medical office building in Harris County, Texas, in which the second floor has two operation rooms […]


Wisconsin Approves Water Demand Calculator as Alternate Standard for Sizing Water Supply Piping

July 6, 2022

The Wisconsin Department of Safety and Professional Services has approved IAPMO’s Water Demand CalculatorTM (WDC) as an alternate method for estimating the demand load for a building’s water supply and principle […]


IAPMO Publishes the Water Demand Calculator as a Standalone Document

June 23, 2022

The International Association of Plumbing and Mechanical Officials (IAPMO®) has published IAPMO/UPC/Appendix M-2021, Peak Water Demand Calculator, as a standalone document. This document is a direct extract from Appendix M of […]


What Are Good Questions to Ask in the Beginning Phase of a Project?

June 23, 2022

Baltimore Chapter member Frederick Koelber, with Burdette, Koehler, Murphy & Associates, recently asked our experts on ASPE Connect, “What are good questions to ask the architect, structural engineer, civil engineer, […]


Learn About Pressure-Reducing Valves at the July Coffee with Caleffi

June 20, 2022

Maintaining water pressure within an acceptable range is vitally important in all types of building plumbing systems. Unregulated systems can cause high mechanical stress on system components, flow noise, valve […]


Extending the Water Demand Calculator to Commercial and Institutional Buildings

June 15, 2022

2021 ASPE Tech Symposium attendees discuss the future of pipe sizing, high-efficiency fixtures, and the Water Demand Calculator with four experts. by Toritseju Omaghomi, Natascha Milesi Ferretti, PE, Gary Klein, […]


Does a Coffee Maker Require a Backflow Preventer, Vent, and Drain for Commercial Jobs?

June 2, 2022

Markham Jarrett, a Plumbing Designer with Spectrum Design in Martinsville, Virginia, recently wondered if a coffee maker would have to follow the same code requirements as other beverage-dispensing machines, so […]


May 2022 Lessons in Firestop: Goldilocks and the Plumber

May 18, 2022

Does the title of this column sound like a love story? If it does, then I apologize to all of you romantics out there. This is more like a tragedy […]


Learn How to Design Heat Pump Systems for Water Heating at the May Coffee with Caleffi

May 10, 2022

The design of heat pumps that supply domestic water heating has improved dramatically over the years. Their ability to absorb low-temperature heat and transfer it from one place to another […]


What Are the Approved Fittings for Connecting Horizontal Branches to Vertical Stacks?

May 4, 2022

A mechanical engineering graduate student at the City College of New York, Artur Zych is looking to learn more about MEP engineering, so he visited ASPE Connect to ask our […]

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