Trenching & Excavation basis: per linear foot (LF). Values are editable budget baselines for normal soil and normal access. Verify trench width/depth, soil classification, utility conflicts, excavation method, OSHA protective-system requirements, groundwater, haul distance, disposal requirements and project specifications before bid. Backfill/compaction and restoration are separate.

One linear foot of trench excavation at the listed nominal width and depth in normal soil using typical mechanical excavation methods. Baseline includes normal excavation equipment allowance and excavation labor. Conduit, duct banks, bedding, shoring, dewatering, rock excavation, unsuitable soil removal, imported fill, backfill, compaction, warning tape, haul-off/disposal, pavement or landscape restoration, permits and traffic control are excluded unless specifically identified.