Utility trenches running parallel to a foundation footing must maintain a minimum clear distance of eighteen inches outside the boundary. Utility trenches require backfilling and compaction per the geotechnical report. Excavation is restricted within the designated slope boundary adjacent to the footing.
18" NO DIGGING FOR PIPE TRENCH PARALLEL TO FOOTING WITHIN THIS BOUNDARY UTILTY TRENCHES BACK FILL & COMPACT PIER GEOTECHNICAL REPORT 2 1
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