View Larger Image Bid Opportunity Byron Lee2019-06-21T09:31:57-04:00May 15th, 2018|Categories: GBCA News|Tags: bid opportunity, Delaware County, GBCA News, Springfield High School| GBCA is proud to offer our members bid opportunities. Here is a project bid opportunity in Delaware County. Share This Article, Choose Your Platform! FacebookXLinkedInPinterestEmail Related Posts Philadelphia City Council Recognizes GBCA as AGC National Chapter of the Year GBCA Celebrates Industry Leadership and National Recognition at Fall Membership Dinner GBCA Earns Two National AGC Awards Philly Has the Fundamentals. Now It Has to Reduce the Risk of Building