filling results in a land-disturbing activity of 2,500 square feet or less; (2) Boardwalks , trails, and pathways; (3) Historic preservation and archeological activities; and (4) Repair and maintenance of existing flood control and stormwater management
Read it in the chapter →How this ordinance defines it
The operative definition is the local one. Codes routinely subdivide a category into tiers — “day care 2, family”, “group home 2” — and attach different permissions to each, so only Alexandria’s own text settles what this covers.