| Includes | excavation and fill for foundations, structures, pavement, railways, ditches, channels, culverts, drains, and utilities. |
| May Include | foundation and underslab drainage. |
| Alternate Terms/Abbreviations | flowable fill: controlled density fill, unshrinkable fill, flowcrete, liquid dirt, fly ash slurry, flowable mortar, plastic soil cement, soil replacement, lean mix backfill, controlled low strength material. |
| See | 31 21 00 for off-gassing mitigation. 31 24 00 for embankments. 31 71 00 for tunnel excavation. 33 05 07 for trenchless installation of utility piping 33 05 97 for identification and signage for utilities |
| See Also | 33 41 00 for subdrainage |