SEDI Services International
Engineering & Project Consulting
We provide end-to-end engineering services, from infrastructure design through to consulting and on-site implementation support. Our inspection capability includes detailed structural assessments and UAV or drone surveys to capture accurate data quickly and safely. We also help organisations modernise with digital transformation solutions that improve efficiency, visibility, and control.
- Civil and Structural engineering consulting.
- Project management and technical advisory with over 120 years of experience.
- Feasibility studies and compliance reviews.
- Turnkey project oversight (design to implementation).
- Contractor management and site handover quality.
Site Mapping & As Built Reconstruction
A detailed engineering design assessment is required when communication infrastructure — such as towers or rooftop installations — shows signs of severe corrosion, metal fatigue, or structural distress. This process provides a systematic, engineering‑grade evaluation of structural safety, reliability, and remaining service life. It replaces assumptions with quantified data, ensuring that any compromised components are identified and addressed before they threaten stability or network performance.
1. Condition Assessment of Structural Components
A comprehensive inspection is conducted to determine the severity and extent of deterioration. This includes:
- Examination of steel members for corrosion, deformation, or section loss
- Inspection of joints, bolts, gusset plates, and connection assemblies
- Identification of fatigue cracking, stress concentrations, and weld defects
- Documentation of advanced corrosion zones and areas of accelerated degradation
This step establishes the baseline condition of the structure and highlights critical elements requiring immediate engineering attention.
2. Structural Integrity & Engineering Analysis
Once deterioration is documented, engineers perform a detailed structural evaluation that includes:
Stress and Load Calculations
- Modelling the tower or rooftop structure under wind, seismic, and operational loads
- Assessing whether weakened members still meet design requirements.
- Evaluating load paths, redundancy, and potential failure modes
Material Degradation Analysis
- Measuring corrosion depth and metal loss
- Assessing fatigue progression and crack propagation
- Estimating remaining service life based on degradation rates.
Risk Evaluation
- Determining the likelihood of failure under current and future loading conditions
- Prioritizing critical elements such as bracing, anchorage, and primary load‑bearing members
- Identifying components that pose immediate or long‑term safety risks.
This analytical phase transforms field observations into quantifiable engineering insights.
3. Remediation & Design Recommendations
Based on the engineering findings, a remediation plan is developed to restore structural integrity and extend operational lifespan. Recommendations may include:
- Repair of corroded or cracked members
- Reinforcement of weakened structural elements
- Replacement of severely compromised components
- Upgrading bolts, bracing, or anchorage systems
- Implementing protective coatings or corrosion‑mitigation measures
The outcome is a clear, actionable engineering plan that ensures the structure remains safe, compliant, and capable of supporting telecommunications operations.
Desired outcomes
A detailed engineering design assessment ensures:
- Early detection of structural risks
- Prevention of catastrophic failures
- Optimized maintenance and repair strategies
- Accurate capacity planning for future loading
- Continued network reliability and operational safety
By addressing compromised components proactively, owners avoid costly emergency repairs and ensure long‑term structural performance.