Architectural and technical plans for a two-story residence designed for a narrow 5m x 20m lot in Veracruz, Mexico. This DWG file includes the ground floor, upper floor, and roof layouts alongside longitudinal and cross-sections, a front facade, and a foundation plan. It contains structural details for concrete castillos and enclosure chains, as well as a hydraulic isometric showing the municipal network connection, water tank, and internal plumbing. The drawings are annotated at 1:75 scale, featuring dimensions for masonry walls, a garage, and living areas. Casa habitación 5x20m con detalles estructurales e hidráulicos.