Allison Xu Contributor Allison Xu is an investor at Bain Capital Ventures, where she focuses on investments in the fintech and property tech sectors. In the wake of COVID-19 this spring, construction sites across the nation emptied out alongside neighboring restaurants, retail stores, offices and other commercial establishments. Debates ensued over whether the construction industry’s seven million employees should be considered “essential,” while regulations continued to shift on the operation of job sites. Meanwhile, project demand steadily shrank. Amidst the chaos, construction firms faced an existential question: How will they…