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Working on an open parking garage in a midwestern city where freezing is a concern, and wondering if I need to need to bury my sanitary piping below frost depth? Garage is not heated, but piping will be buried under 5" concrete slab.
Anticipated flows are also low since it will just be from floor drains throughout the garage.
My storm piping from the top deck is piped to below frost depth because I anticipate higher/more consistent flows from precipitation.
Asking because the current depth of the basin for my duplex ejector pumps is too low and I want to know how deep the pipe needs to be buried.
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- 1 year ago
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