Root Pruning Only root prune to a depth that is required per development to a maximum of 24". Root prune prior to the removal of soil (lowering of grade) and backfill/cover aU newly cut roots. CUT ROOTS CLEANLY AT 90'. IF TEARIN(; OCCURS, CUT JUST BEYOND BEGINNING OF TEAR. BACKFILLALL CUT ROOTS IMMEDIA TEL YI IF ROOT PRUNING IS NECESSARY DUE TO UTILITIES, BUILDING A FOUNDATION, RETAINING WALLS, ETC., USE A SHARP NEW TRENCHER BLADE OR E9UIVALENT FOR A CLEAN cur. DISTANCE FROM TRUNK LESS THAN ROOT PROTECTION ZONE . ~ If disturbance line comes within the root protection zone, then root pruning is preferred.