Type 2 SPD vs Type 3 SPD — Complete Comparison compares both options using the same project conditions.
Comparison Summary
| Parameter | Type 2 SPD | Type 3 SPD |
|---|---|---|
| Purpose | Review against system function. | Review against system function. |
| Design | Check risk, geometry and compatibility. | Check risk, geometry and compatibility. |
| Installation | Check routing, fixing and access. | Check routing, fixing and access. |
| Maintenance | Inspect condition and documentation. | Inspect condition and documentation. |
| Tender | Use measurable requirements. | Use measurable requirements. |
Selection Criteria
Select the option that satisfies the project standard, risk assessment, geometry, environment, client requirements and maintenance capability.
Technical Fit
Function, current path, compatibility and geometry.
Commercial Fit
Supply, installation, testing and lifecycle cost.
Tender Fit
BOQ, drawings, compliance and exclusions.
Maintenance Fit
Inspection, corrosion and replacement.
Keywords
Type 2 SPD vs Type 3 SPDComplete Comparisonprice comparisontechnical comparisontender comparison
Common Mistakes
- Comparing price without installation scope.
- Ignoring material compatibility.
- Using different design assumptions.
- Ignoring testing and handover documents.
FAQs
Which option is always better?
No option is universally better. Selection is project-specific.
Can lowest price decide?
No. Total scope and lifecycle should be compared.
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Project Selection Support
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