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Water Tank Stand

Water Tank Stand

Water Tank Stand

Interesting project for a local business. A water tank stand. Beyond the seismic check for lateral loads is there anything else having to do with push over forces or overturning that I might be missing here? The stand will be stationary and fixed to the floor. The tank is a cubic shape with a 4'x4' footprint, and will attach to the stand at specific locations.

View model here:


When I used to do work for Boeing on stands there was certain internal codes that specified stability ratios etc...

A confused student is a good student.
Nathaniel P. Wilkerson, PE

RE: Water Tank Stand

Post loads on the floor of course. We did some scaffolding for Boeing and used UBC for seismic ('97).

I worked contract for Boeing in WA. What is behind the "person"?

RE: Water Tank Stand

That high with that small a base does create a tipping hazard - Worse in a seismic zone (upstate Washington or elsewhere) that MUST be acknowledged. (The answer might "No hazard" .. might be "Substantial Hazard". Depending on the answer, that establishes how you need to attach the frame to the floor/concrete/pad/grass/dirt/sand/cotton balls/bubblewrap.

The frame appears adequate against the Normal static loads if the foundation is adequate. on the 4x footprint, what is the filled weight? Forklift or crane lifting the tank back on top, or is it filled/emptied by pipe?

How is it attached to the wood frame? Permanent or temporary? Public use or plant/industrial use?

How are you preventing termite and wood rot damage over time?

RE: Water Tank Stand

Any careless fork truck drivers nearby?

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