The 49ers released an update on the construction process of their new stadium in Santa Clara and things continue to hum along. According to the 49ers, steel installation is 60% complete and precast concrete is being installed. The precast concrete involves 2,000 sections for the stadium's treads, risers, and steps for seating, as well as various stadium walls. The work was done by Clark Pacific, the West Coast's largest precast firm, at its plant in Woodland, Calif. Source: SBNation.com