Subtitle J is to be read and applied in addition to the regulations included in:

1. (a)
   Subtitle A, Authority and Applicability;
2. (b)
   Subtitle B, Definitions, Rules of Measurement, and Use Categories;
3. (c)
   Subtitle C, General Rules; and
4. (d)
   Subtitle U, Use Permissions. 

1. (a)
   Heavy commercial and light manufacturing activities employing large numbers of people and requiring some heavy machinery under controls that minimize any adverse effect on other nearby, more restrictive zones; and
2. (b)
   Areas suitable for development as heavy industrial sites, but at the same time protect those industrial developments from the intrusion of non-industrial uses that impede the full utilization of properly located industrial sites. 

The provisions of the PDR zones are intended to:

1. (a)
   Regulate the use of land and structures and the erection and modification of structures in areas characterized by PDR uses, typically with heavy truck traffic and loading and unloading operations;
2. (b)
   Encourage the retention of viable land to accommodate production, warehousing, distribution, light and heavy industrial, and research and development activities;
3. (c)
   Allow compatible office and retail uses and development;
4. (d)
   Minimize encroachment by uses that are incompatible with PDR uses, including residential uses, which could impair existing PDR activities;
5. (e)
   Manage transitions between PDR-zoned areas and surrounding neighborhoods; and
6. (f)
   Ensure the environmental performance of development.

1. (a)
   Height and number of stories;
2. (b)
   Density and lot occupancy;
3. (c)
   Yards and setbacks; and
4. (d)
   Environmental performance. 

1. (a)
   Agriculture, Large;
2. (b)
   Animal Sales, Care, and Boarding;
3. (c)
   Arts, Design, and Creation;
4. (d)
   Government, Large Scale;
5. (e)
   Government, Local;
6. (f)
   Production, Distribution, and Repair;
7. (g)
   Utility (basic); or
8. (h)
   Waste-Related Services. 

1. (a)
   The plane shall be measured ten feet (10 ft.) above the matter-of-right height of the abutting residential property line; and
2. (b)
   The measuring point shall be established at the middle of the abutting residential property line. 

1. (a)
   When the lot abuts an alley, from the center line of the alley to the rear wall of the portion immediately above the plane; or
2. (b)
   When the lot does not abut an alley, from the rear lot line to the rear wall of the portion immediately above the plane.

1. (a)
   A twenty-five foot (25 ft.) setback shall be provided from each lot line that is directly abutting a lot in a residential zone or developed with a residential use;
2. (b)
   A twenty-five foot (25 ft.) setback shall be provided from each lot line that is abutting an alley that serves as the zone boundary line between a PDR zone and a residential zone. The depth of setback shall be measured from property line of the PDR-zoned lot; and
3. (c)
   A fifteen-foot (15 ft.) setback shall be provided from each lot line, except a front lot line, that is abutting a street less than seventy feet (70 ft.) in right-of-way width that serves as the zone boundary line between a PDR zone and a residential zone.  

1. (a)
   The trees shall be maintained in a healthy growing condition;
2. (b)
   The trees shall be a minimum of eight feet (8 ft.) high when planted; and
3. (c)
   Planting locations and soil preparation techniques shall be shown on a landscape plan submitted with the building permit application to the Department of Buildings for review and approval according to standards maintained by the Department of Energy and Environment, which may require replacement of heavy or compacted soils with top and drainage mechanisms as necessary. 

1. (a)
   A solid wood or board-on-board fence, no less than eight feet (8 ft.) and no more than ten feet (10 ft.) in height; or
2. (b)
   A brick or stone wall, no less than eight feet (8 ft.) and no more than ten feet (10 ft.) in height. 

1. (a)
   A lot with a principal building that is one (1) story in height shall have a GAR of at least 0.1; and
2. (b)
   A lot with a principal building that is two (2) stories in height shall have a GAR of at least 0.2.  

1. (a)
   Promote and protect the public health, safety, and general welfare of the U.S. Capitol precinct and the area adjacent to this jurisdiction, in a manner consistent with the goals and mandates of the United States Congress in Title V of the Legislative Branch Appropriation Act, 1976 (Master Plan for Future Development of the Capitol Grounds and Related Areas), approved July 25, 1975 (Pub. L. No. 94-59, 89 Stat. 288), and in accordance with the plan submitted to the Congress pursuant to the Act;
2. (b)
   Reflect the importance of and provide sufficient controls for the area adjacent to the U.S. Capitol;
3. (c)
   Provide particular controls adjacent to properties having a well-recognized general public interest; and
4. (d)
   Restrict some of the permitted uses to reduce the possibility of harming the site, building, or zone to be protected.  

1. (a)
   Agriculture, Large;
2. (b)
   Animal Sales, Care, and Boarding;
3. (c)
   Arts, Design, and Creation;
4. (d)
   Government, Large Scale;
5. (e)
   Government, Local;
6. (f)
   Production, Distribution and Repair;
7. (g)
   Utility (basic); or
8. (h)
   Waste-Related Services.

1. (a)
   Compatible with the present and proposed development of the neighborhood;
2. (b)
   Consistent with the goals and mandates of the United States Congress in Title V of the Legislative Branch Appropriation Act, 1976 (Master Plan for Future Development of the Capitol Grounds and Related Areas), approved July 25, 1975 (Pub. L. No. 94-59, 89 Stat. 288); and
3. (c)
   In accordance with the plan promulgated under the Act. 

1. (a)
   The Architect of the Capitol for review and report; and
2. (b)
   The Office of Planning for review, report, and impact assessment along with coordination of reviews in writing of all relevant District departments and agencies including:

   1. (1)
      The District Department of Transportation;
   2. (2)
      The Department of Housing and Community Development; and
   3. (3)
      The Historic Preservation Office if the application involves a historic district or historic landmark. 

1. (a)
   Encourage future development while enabling existing industries to remain in the District; and
2. (b)
   Protect surrounding residential areas from the adverse impacts of existing industrial support uses by means of the buffering standards.