An aggregate pier foundation configuration establishes a one-foot minimum no-dig zone adjacent to the vertical shafts with a one-to-one temporary excavation slope. For temporary excavations only, all excavations must be backfilled and compacted prior to placing concrete.
1 1 1 1 AGGREGATE PIER AGGREGATE PIER 1 ft MIN. EXCAVATION NOTE: For temporary excavations only. All excavations will be backfilled and compacted prior to placing concrete. NO DIG ZONE 1 ft MIN. NO DIG ZONE
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