D.C. Mun. Regs. tit. 10, r. 10-C311
An application for new construction or substantial addition, including conceptual and preliminary review, shall include a brief written project description indicating the general nature of the project. This description shall state the program of uses, estimated gross floor area by use, number of residential units, scope of preservation work, and any other pertinent features of the project.
An application for construction of a project of special merit shall include a statement of the proposed grounds upon which the applicant intends to support this claim. The application shall also include a general description of the information the applicant intends to submit as evidence of ability to complete the project.
The applicant shall also submit any other information as may be necessary to understand and evaluate the project for consistency with the purposes of the Act.
D.C. Mun. Regs. tit. 10, r. 10-C311