For all commercial projects an engineered plan must be developed that provides proper erosion and sediment control during construction and addresses stormwater management post construction imperviousness control. A concept plan review is required for all commercial projects.
Building plans are required to be prepared by a licensed architect and/or engineer and properly sealed. Two sets of plans are required to be submitted.
Commercial plans must be prepared by a licensed engineer, land surveyor, or architect in the State of Maryland. The following stormwater management checklists are required at initial submittal: SWM Concept Plan Submittal and SWM Site Development Checklist.
Subdivisions, Commercial Buildings, Commercial Development*, any Structures, Parking Lots, Industrial Development, Road Construction, or Bridges (or any type of stream crossing).
*Disturbance is over 5000 sq. ft. or over 100 cubic yards of earth disturbed.
Any type of building structure (other than a single family residence, with or without basement or garage) or property used for a business, public use, or private. For the purpose of engaging in commerce, sales, education, government, industry, utilities, towers, or rentals (hotels, motels, townhouses, duplexes, condos, etc.)
All Commercial Plans require a detailed plan (at least 1" = 50' scale drawing or larger scale) which must be drawn up by a Civil Engineer.
Major Commercial Plans - above 20,000 square feet of earth disturbance, and/or over 500 cubic
yards of earth disturbed.
Minor Commercial Plans - 5,000 - 20,000 square feet of earth disturbance, and/or over 100-500
cubic yards of earth disturbed.