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Additional Resources

12th Street

In the Spring of 2016 the Department of Consumer and Regulatory Affairs (DCRA) requested that the Office of Planning (OP) review DCMR 12: Construction Code, Chapter 32: Encroachments as part of their agencies 2015 update of the construction code. OP conducted original research, compiled background information, and produced several reports including recommendations to update the projection regulations as part of their work. The links below are a collection of building projection resources referred to or developed by OP.

 

DCMR 12A-Construction Code, Chapter 32: Encroachment 

Current regulations in the construction code that define allowances for building projections into the public right-of-way.

 

Projection Schedule 

An easy-to-use guide to determining where different types of projections included in the regulations and their allowances into the public right-of-way.

 

Assessment of Building Projection Regulations 

An overview of the District of Columbia’s projection regulations including their intent, how they have evolved since 1872, and recommendations for future updates.

 

Calculating Building Width: Code Clarification 

DCRA’s January 25th, 2019 Letter of Direction clarifying how to determine the width of a building for calculating allowable width of window projections.

 

Window Projection Width Calculator 

A calculator that uses a building width to determine the maximum width of an individual window projection and total aggregate width of all window projections on a building facade.

 

Public Realm Design Manual 

A comprehensive review of the District’s public space regulations, standards, and policies that includes a chapter on projection regulations.

 

For More Information

Introduction to Building Projections in Washington, DC 

Intent and Impact of Projection Regulations in the District of Columbia 

Regulating Building Projections