https://www.mercurynews.com/2020/04/22/covid-19-affordable-housing-construction-exceptions-rankles-trades-groups-health-officer/ > Under tightened coronavirus pandemic health orders, most of the Bay Area’s normally buzzing construction sites have gone silent. But you can still hear humming on a few plots — housing projects with affordable units. > Now, the Bay Area’s restrictions have raised questions of whether exceptions that allow projects with at least 10 percent affordable units to continue building is worth the risk of exposing workers to COVID-19, while market rate housing projects are at a standstill.