12 1/2 Minutes AISC's Engineering & Research Department Bridge Crossings No. 09 By Robert A. Kase, PE Twelve Commandments for Economic Steel Box Girders Oakland's Amtrak Station The new C.W. Dellums Amtrak Station capitalizes on Oakland's tradition as a rail center Off The Beam Practical Cost Saving Ideas for the Design Professionals: Welding Calculate loads transferred through welds South Shore Plaza Keeping all of the stores open was critical during renovation and vertical expansion of this 40-year-old mall. Steel Frame Supports Giant Texas Telescope Structural steel maximized the strength-to-weight ratio while minimizing thermal mass Steel Mill Roundtable Some engineers and fabricators have expressed concerns about structural shape availability. However, the remaining mills express confidence that supply is more than adequate. News Briefs Steel Quiz Steel Interchange