Specifications (specs) are detailed written descriptions of materials, products, workmanship standards, and construction methods required for a building or infrastructure project. Specifications accompany drawings as part of construction contract documents, providing information that cannot be shown graphically. They describe quality standards, acceptable products or manufacturers, installation methods, testing requirements, and performance criteria. Specifications ensure contractors understand exactly what is required and provide benchmarks for quality assurance during construction. Municipal infrastructure projects use specifications to ensure consistent quality across projects and contractors. Standard specifications for common work items (like road construction or pipe installation) improve efficiency and quality while project-specific specifications address unique requirements.