Oddly I have put holes in a building of that exact type. However where the holes are made, we fitted splints along side to beef the cross-section, and the holes are small compared to the web width, and pretty much on the neutral axis. I'd certainly not do it without some considerable thought. Most services seem to be on banding of some sort.
If you look at how the building is put together, there are bolted joints and diagonal rods to keep the frame square, so clearly holes are OK in some places.
Oddly I have put holes in a building of that exact type. However where the holes are made, we fitted splints along side to beef the cross-section, and the holes are small compared to the web width, and pretty much on the neutral axis. I'd certainly not do it without some considerable thought. Most services seem to be on banding of some sort.
If you look at how the building is put together, there are bolted joints and diagonal rods to keep the frame square, so clearly holes are OK in some places.
