PN Engineering Datasets
README – Professional Documentation
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Thank you for using PN Engineering Datasets.
This dataset contains real reinforced concrete (RC) engineering drawings
created by a professional structural engineering office with 15+ years of experience.

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1. Purpose of the Dataset
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The dataset is designed for:
• AI/ML training (OCR, Vision, multimodal LLMs)
• Structural engineering education
• BIM automation development
• CAD/drafting learning
• Civil engineering research
• Dataset benchmarking

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2. Dataset Structure
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/01_PDF/   
    Cleaned, flattened, anonymized PDF drawings

/02_PNG/  
    High-resolution PNG (1200 DPI) versions

/03_Documentation/  
    DATA_DICTIONARY, DATASET_INFO_TEMPLATE, DATASET_STRUCTURE_BLUEPRINT, JSON metadata, License, README

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3. File Formats
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PDF:
• Flattened  
• Metadata removed  
• OCR-friendly  

PNG:
• 1200 DPI  
• Clean background  
• High contrast  

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4. Usage Guidelines
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You MAY:
• Use for internal commercial AI training  
• Train OCR/CV/LLM models  
• Use in academic or enterprise research  
• Build derived datasets/models  

You MAY NOT:
• Redistribute or resell raw files  
• Upload raw drawings publicly  
• Claim authorship of the original drawings  

This dataset is suitable for commercial use inside your own tools, 
models, or research workflows. Redistribution of the dataset itself 
is not permitted — see LICENSE.txt for full details.

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5. Software Compatibility
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The dataset works with:
• Python, OpenCV, Tesseract, PIL  
• PyTorch / TensorFlow  
• Roboflow  
• All major OCR/CV frameworks  
• Engineering & BIM automation tools  

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6. Notes
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Not intended for real construction use.  
Provided strictly for research and training purposes.

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7. SUPPORT
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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