Nonprofits The Pew Charitable Trusts andCenter for Building in North America havereleased a report in support of single-stair apartment building designs made using data to provide a snapshot of their building safety performance and ability to reduce construction costs in the hopes of addressing housing shortfalls as fewer and fewer small and medium-size designs are being built across the country.The report finds that single-stair buildings can help architects achieve a better variety of configurations, contort to irregular-shaped lots, improve ventilation, and increase the amount of natural light that flows inside. This applies to buildings of between three to six stories. In January, we covered the rise of the reform movement and its quest to make building codes across the United States better resemble European models.It follows previous research on building codes and point access block buildings published last year by the Center for Building. The new report also includes da...