Pro tip: The new load charts on the Manitowoc 16000 are a game changer for tight city work.

We were on a job in downtown Seattle last month, and the old charts had us setting up 30 feet back from the building line. The new ones, with the updated wind and load moment data, let us move in to 20 feet. That extra ten feet of reach meant we could place steel for two floors without moving the rig. Has anyone else run into a situation where a simple chart update saved a whole day of work?

3 comments

3 Comments

the_seth2mo ago

Gotta be honest, that sounds like a paperwork win more than a real site win. Those new charts come with way tighter wind limits from what I've seen. Sure you can get closer, but you're one weather change from a full stop. Watched a crew get burned by that last year, lost half a day waiting for the wind to drop instead of just working from the safe spot. Sometimes the old numbers just build in a better buffer for real world mess.

samf952mo ago

Wait, you lost half a day just waiting on wind, @the_seth?

shah.evan1mo ago

The new limit on the 16000 is 12 mph sustained vs the old 15 mph for the main chart, you're right about that. But here's the thing, that 3 mph difference is for the full boom out, not for the closer pick radius we're talking about. I actually checked the manual on this, the wind limit for the inner 20 foot radius is still 16 mph because the load moment is way lower. So you're not losing as much buffer as it seems, especially on a tight city site where those extra feet of reach save you from a whole other crane setup day.