Corrugated Metal Pipe Lantern

When I first started working on infrastructure projects in Indonesia, one of the materials I kept coming back to was corrugated metal pipe. It is not flashy, but it gets the job done in ways that concrete and other alternatives often cannot match. Over the years, I have specified and installed these pipes for everything from road construction drainage to bridge culverts, and I have learned a few things about what makes them work well and where they can fall short if you are