PN Engineering Datasets DATA DICTIONARY – Professional Specification -------------------------------------------------- This document defines the structure and attributes of all datasets released under PN Engineering Datasets. -------------------------------------------------- 1. Dataset Metadata -------------------------------------------------- dataset_name: RC_Walls_Dataset_V1 dataset_version: V1 element_type: Reinforced concrete columns pdf_count: 25 png_count: 25 -------------------------------------------------- 2. File Structure -------------------------------------------------- PDF files: • Flattened • Anonymous • Metadata removed • OCR-ready PNG files: • 1200 DPI resolution • Clean and uniform background • High contrast for Vision models Documentation files: • DATA_DICTIONARY • DATASET_INFO_TEMPLATE.json • DATASET_STRUCTURE_BLUEPRINT • INDEX.csv • LICENSE.txt • README -------------------------------------------------- 3. Drawing Contents -------------------------------------------------- Each drawing may include: • Reinforcement layouts • Longitudinal bars • Stirrups/ties • Sections in 1–3 views • Dimensions (millimeters) • Structural symbols • Work stages • Concrete classes • Notes and detailing conventions -------------------------------------------------- 4. Data Preparation Process -------------------------------------------------- • Anonymization (project & company data removed) • Noise reduction • PDF flattening • Cleanup of backgrounds • Export to high-resolution PNG -------------------------------------------------- 5. Machine Learning Use-Cases -------------------------------------------------- • OCR model training • Vision model detection of bars, symbols, dimensions • Generating embeddings for engineering LLMs • CAD-to-AI pipelines • BIM automation -------------------------------------------------- 6. Limitations -------------------------------------------------- Not for construction use. For training & research only. ---------------------------------------------- 7. SUPPORT ---------------------------------------------- If you have questions, need additional formats, or want a custom dataset (beams, slabs, foundations, walls, steel details, construction photos, BIM sets), please contact: PN Engineering Datasets Email: pawel.niczyporuk@gmail.com Thank you for your purchase! PN Engineering Datasets – 2025