CSI/NAICS Codes

Code	Description
310000	Earthwork
310110	Maintenance of Clearing
310120	Maintenance of Earth Moving
310513	Soils for Earthwork
310516	Aggregates for Earthwork
310519	Geosynthetics for Earthwork
310610	Schedules for Clearing
310660	Schedules for Special Foundations and Load Bearing Elements
310660.16	Caisson Schedule
311000	Site Clearing
311413	Soil Stripping and Stockpiling
312000	Earth Moving
312200	Grading
312216	Fine Grading
312219	Finish Grading
312300	Excavation and Fill
312316	Excavation
312319	Dewatering
312323.13	Backfill
312333	Trenching and Backfilling
312500	Erosion and Sedimentation Controls
312513	Erosion Controls
313200	Soil Stabilization
313219.13	Geogrid Soil Stabilization
313236	Soil Nailing
313500	Slope Protection
313700	Riprap
314000	Shoring and Underpinning
314100	Shoring
314119.13	Aluminum Hydraulic Shoring
314133	Trench Shielding
314833	Micropile Underpinning
315000	Excavation Support and Protection
315100	Anchor Tiebacks
316200	Driven Piles
316600	Special Foundations
316613.13	Rammed Aggregate Piles
316615	Helical Foundation Piles
316800	Foundation Anchors
316816	Helical Foundation Anchors