NSF/ANSI 42-2022: Drinking Water Treatment Units, Aesthetic Effects
Picture a glass of water. Odds are it shares a striking similarity with the one above. We like our water a certain way, especially the […]
Realization of the Kelvin
Until 2019, the kelvin (K) was defined as “the fraction 1/273.16 of the thermodynamic temperature of the triple point of water.” The temperature measurement world […]
Special Inspections Accreditation Meaning
Special Inspection is required for specific types of construction work, as defined in Chapter 17 of the International Building Code (IBC). Typically, building components involve professional […]
ASTM F1953-10(2018): Grass Tennis Courts
Throughout tennis history, different types of surfaces have been used to create a tennis court, including clay, grass, hard, and carpet. Each surface affects the playing […]
ISO 21542:2021—Accessible Building Construction
With one in four American adults living with disabilities, designing for accessibility and diversity is necessary. It is an opportunity—both economic and creative—to design a better and […]
ISO 6887-1:2017—Initial Suspension And Decimal Dilutions
While many microbes are harmless to humans, others can cause serious problems. They can spoil food, introduce toxins, cause disease, etc. The importance of microbiological […]
ANSI Z80.9-2020: Optical Devices For Low Vision
There are at least 2.2 billion people globally with visual impairment, and out of these, at least 1 billion cases could have been prevented with […]
ANSI A117.1 vs. ADA Guidelines for Accessible Design
For compliance with both federal law and moral responsibility, there is a need to make buildings accessible. To meet this need, building designers, architects, and […]
ISO 13920:2023—General Tolerances For Welded Constructions
Even a part that looks perfect at a macro level will reveal imperfections at a micro view. As long as an imperfection will still allow […]
ISO/IEC/IEEE 24641:2023: Model-Based Systems Engineering
Today’s products contain systems that are becoming increasingly complex and software intensive. This presents challenges for organizations to effectively manage all the data across the […]