A stormwater management plan controls runoff on DMV projects. In DC, sites disturbing 5,000 sq ft must retain the 1.2-inch storm. See the state rules.
An erosion and sediment control plan is required at 50 sq ft in DC, 5,000 in MD, and 10,000 in VA. See the DMV land-disturbance thresholds and what one needs.
What is a site plan for a building permit? What it must include, how it differs from a plot plan and survey, who prepares it, and what it costs.
What is a grading plan and when do you need one? What the drawing shows, who prepares it, the DMV stormwater rules that trigger it, and typical costs.
From Feasibility to Final Permit.
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