ARNOLD, Mo. — More rain is the last thing a neighborhood in Arnold needs. In July, heavy rain ruptured a culvert pipe behind a home in Woodridge Estates. Rain washed out a large section of the land ...
Stormwater culverts can be dangerous places, due to hazards such as crumbling concrete ceilings, submerged obstacles, and toxic gas accumulations. The PIPE-i robot was designed with that fact in mind, ...
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