NoDigTech Sleeve Structural Strength Calculator
AWWA Manual 11 chapter 6
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A. Makes any warranty or representation, express or implied, with respect to the accuracy, completeness, or usefulness of the information contained herein, or that the use of any method or process disclosed may not infringe privately owned rights; or
B. Assumes any liability with respect to the use of or for damages resulting from the use of, any information, apparatus, method, calculation, or process in this work.