D.C. Mun. Regs. tit. 10, r. 10-C310
An application for conceptual review shall include architectural plans or model photographs sufficient to indicate the general exterior massing, composition or design of the proposed work within its surroundings.
An application for preliminary review shall include architectural plans sufficient to indicate the exterior design of the proposed work within its surroundings.
A permit application for alteration or new construction shall include architectural plans of sufficient completeness to indicate the complete exterior design of the proposed work within its surroundings.
Architectural plans shall clearly show the character of the work to be performed. Plans shall be drawn to scale, fully dimensioned for critical measurements including overall width, length, and height. A progressively higher level of specificity with regard to the exterior design and dimensions shall be required for conceptual, preliminary, and construction permit applications.
Architectural plans shall be drawn and annotated in a manner that defines without ambiguity the nature and extent of proposed work.
Architectural plans for conceptual review, additions, new construction, and other substantial work shall normally include a site plan, existing conditions plans, floor plans, sections, and elevations showing adjacent structures.
Architectural specifications, materials samples, zoning envelope diagrams, shop drawings, or site mock-ups may be required if necessary for review.
The application shall clearly show the extent to which the existing building or structure is to be preserved, altered, or demolished.
An application for demolition shall include architectural plans or diagrams clearly showing the extent of proposed demolition.
An application involving an interior historic landmark shall include architectural plans sufficient to indicate the nature and design of proposed interior work. Plans may be in the form of or include annotated photographs.
An application for subdivision shall include a proposed plat of subdivision prepared by the Surveyor. An application for conceptual review of a subdivision shall include a proposed plat or a site plan clearly showing the proposed reconfiguration of the property.
D.C. Mun. Regs. tit. 10, r. 10-C310