The local community stadium has these old steel-frame bleacher sections along the third base line that have been completely blocked off with caution tape because the metal supports underneath are looking highly sketchy. The parks department finally approved a small budget to cut out the worst of the corroded iron brackets and bolt down fresh structural channels before the high school tournament starts. The blueprint made it look like a straightforward case of unbolting the wood planks and swapping the metal braces, but working on outdoor stadium iron is a completely different beast.
The absolute worst part was dealing with the old structural hardware that has been baking in the rain and humidity for thirty years. Every single mounting bolt holding the wooden bench slats to the iron frame was completely seized into a solid lump of orange rust. Trying to break them loose with a standard impact wrench just ended up snapping the bolt heads clean off or stripping the sockets flat. I spent three hours crawled underneath the metal scaffolding with a heavy torch and a long breaker bar, heating up every single nut until the metal glowed red just to force the threads to turn a millimeter.
Then came the total nightmare of getting the new heavy steel angle iron pieces to align properly with the existing concrete foundation piers. Because the ground underneath the stadium has shifted slightly over the decades, the old concrete anchor studs were sitting almost an inch out of alignment with the pre drilled holes on our new metal frames. You can’t exactly move a solid concrete pier by hand. We had to use an industrial magnetic drill to slowly bore entirely fresh holes through half inch thick hardened structural steel while balanced at an awkward angle under the metal rafters.
The new support frames are securely bolted down to the concrete piers now and the first three rows of treated pine bench planks are locked in place with heavy-duty carriage bolts. The metal frame doesn’t vibrate or creak at all when you climb up the steps to test the load stability, but the old aluminum guard rails along the top deck are still completely covered in faded, peeling blue paint from the eighties.