Montana · answered by Verika · verified against sources
What slump is allowed for structural concrete on Montana highway projects?
"Maximum Target Value for Slump, inches 2" [1] "All concrete used for the drilled shaft must maintain a minimum of a 6- inch slump until 2 hours after the estimated completion." [7]
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Verika provides information with citations to help you find and understand the rules that apply to your work. It is not a substitute for professional engineering or legal judgment. Answer generated 2026-08-28; always confirm against the cited source for your project.