LEED Version 4 Has Arrived! GRW provided A/E design services and managed the LEED documentation for the new LEED Silver-certified Ohio Army National Guard Joint Armed Forces Reserve Center (60,902 SF) and Field Maintenance Shop (24,963 SF) complex in Springfield, OH. The photo above shows the main entry space of the reserve center building, which serves both the Ohio Army National Guard and U.S. Army Reserves. The latest version of the LEED rating system includes eight new prerequisites, several new credits, and changes to most of the existing credits. Read more about LEED Version 4 Has Arrived!