PipeAssess

Overview

• ▸Implements 15+ engineering assessment standards including API 579-1/ASME FFS-1 Parts 4, 5, 6 & 9 (crack-like flaws with Level 2 FAD), B31G, CEPA, PRCI, dent assessment, hydrotest, and highway/railroad crossing analysis
• ▸API 579 Part 9 engine implements a full Failure Assessment Diagram (FAD) framework with 20+ crack geometry solutions (cylinder, sphere, flat plate — surface, embedded, and through-wall), validated against the API 579-2 PTB-14 Example Problems Manual (30/30 cases)
• ▸ILI (In-Line Inspection) analyzer with smart CSV/Excel header detection, ML-assisted column mapping with persistent learning, and statistical wall-loss distribution analysis
• ▸Multi-tier subscription system with Stripe and PayPal payments, team/company accounts, discount codes, free trials, and per-module access control enforced server-side
• ▸Secure httpOnly-cookie JWT auth (no tokens in localStorage), CSRF double-submit protection, Google OAuth, rate-limited login, and per-user login session activity tracking
• ▸PDF report generation via ReportLab with inline calculation formulas (symbolic + substituted values + standard reference) for all assessment modules
• ▸Background task processing via Celery + Redis for long-running jobs; deployed on AWS EC2 behind Nginx with CI/CD via GitHub Actions