I bid this job a few years ago. They want it done now and cannot do the job, no time for a long time. Its replace the concrete platforms and stairs for the entrances of the buildings in the commerical freight area.Send me a PM or emailIts there are a few units to do. Stairs were quoted galvanized 4" steps.Platforms were quoted pre fab. All I am is a recommendation.This is a pretty big job at least for me and my son.David RootReal world weldin. When I grow up I want to be a tig weldor.