B08_Attachment_6_Drawings_621.pdf

This is an architectural drawing sheet (A15) from the United States Department of the Interior, National Park Service, containing detailed construction specifications and details for building elements. The drawing is part of a larger set of architectural plans and includes multiple sectional and detail views related to window types and door configurations.

The sheet presents approximately 15-20 individual detailed drawings showing various construction assemblies, including head details, jamb details, sill details, and mullion configurations for different window types (labeled as Window Type D and Door Type A). Each detail includes specific measurements, material specifications, and cross-sectional views with annotations describing construction methods, materials to be used, and assembly requirements. The drawings utilize standard architectural notation and symbols, with dimension lines, material callouts, and assembly notes integrated throughout. A title block in the lower right indicates this is sheet A15 of a larger drawing set, with project identification information and related drawing references. The document serves as a technical specification guide for construction contractors and builders to ensure proper installation and detailing of fenestration and door assemblies according to federal building standards.