Written instructions and specifications that appear on construction drawings to provide important information about materials, methods, standards, and requirements that apply to the entire project or multiple drawing sheets.

General notes are written instructions and specifications that appear on construction drawings to provide important information about materials, construction methods, applicable standards, and project requirements that apply to the entire project or multiple drawing sheets. These comprehensive written instructions serve as a critical communication tool between architects, engineers, and contractors, ensuring that essential project information is clearly conveyed and consistently applied throughout the construction process. General notes complement the graphic information shown in drawings by providing detailed explanations, clarifications, and requirements that cannot be effectively communicated through drawings alone.

The primary purposes of general notes include communicating project-wide requirements and standards that apply to multiple building components, specifying materials, methods, and quality standards for construction work, referencing applicable building codes, standards, and regulations, providing clarification for drawing symbols, abbreviations, and conventions, establishing coordination requirements between different trades and systems, defining responsibilities for various aspects of the work, and ensuring consistent interpretation and application of design intent throughout the project.

Types of general notes are organized by their scope and application, including project-wide general notes that apply to the entire construction project, discipline-specific general notes for architectural, structural, mechanical, or electrical work, drawing-specific general notes that apply only to particular sheets or details, code compliance notes referencing applicable building codes and standards, material specification notes defining quality and performance requirements, and coordination notes addressing interfaces between different building systems and trades.

Fun Fact: The first standardized general notes appeared in architectural drawings in the 1920s when the American Institute of Architects (AIA) began promoting consistent documentation practices. Before this, each architect had their own system, leading to confusion and errors. Today’s general notes can contain over 100 individual requirements on complex projects, and studies show that well-written general notes can reduce construction change orders by up to 30% by clearly communicating requirements upfront!

• General Conditions
• General Contractor