AL Sewer Projects Practice Questions - Alabama Sewer Projects Contractor Examination Exam

Which material is generally preferred for bedding flexible PVC sanitary sewer pipe?

Large angular boulders only Specified granular bedding free of large stones and debris, placed and densified as required Frozen chunks of clay excavated from the trench walls Uncompacted organic topsoil

Correct Answer:

Specified granular bedding free of large stones and debris, placed and densified as required

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