SAN RAFAEL, Calif.--(BUSINESS WIRE)--Adding to its range of industry leading roof and ground mount solar racking systems, SunLink Corporation today released a new cast-in-place foundation option for its proven ground mount PV racking system, Ballasted GMS. Unlike the current default construction method of shipping large pre-cast concrete ballast blocks to solar installation sites, the new cast-in-place option leverages off-the-shelf concrete forms and standard construction methods to pour concr