📋 Overview
The ECDA/ICDA Assessment Tool provides a quick and insightful way to evaluate the corrosion-related risks in gas and liquid pipelines. Based on industry standards (e.g., ASME B31.8, NACE SP0502, API 1160), the tool helps pipeline engineers screen pipelines for potential external and internal corrosion threats, making it easier to plan inspections, prioritize maintenance, and implement preventive strategies.
🧾 Input Parameters
- ✅ Design Code (ASME B31.8, NACE SP0502, API 1160)
- ✅ Pipeline Length (km)
- ✅ Pipeline Age (years)
- ✅ Coating Condition (Good, Moderate, Poor)
- ✅ Soil Resistivity (ohm-m)
- ✅ Cathodic Protection Status (Active, Degraded, None)
- ✅ Flow Regime (Dry or Wet Gas)
- ✅ Internal Corrosion History (None, Minor, Frequent)
- ✅ Years Since Last Inspection
🧮 Calculations
- A risk score for both External Corrosion (ECDA) and Internal Corrosion (ICDA) based on weighted input parameters
- A combined view of integrity risk based on industry corrosion indicators
📤 Outputs
- ⚠️ ECDA Risk Level (🟢 Low, 🟡 Moderate, 🔴 High)
- ⚠️ ICDA Risk Level (🟢 Low, 🟡 Moderate, 🔴 High)
- 📝 Recommended Actions (e.g., schedule DA, monitor CP, increase inspection frequency)
- 📘 Design Code Reference shown in output