Technical questions first
- What is the actual defect?
- What mechanism caused it?
- Which limit states or durability requirements are affected?
- Is immediate risk control required?
- What evidence supports acceptance, repair or strengthening?
Independent technical evidence
Separate the structural consequence from the contractual argument
A useful engineering opinion distinguishes observed facts, probable cause, structural effect, required action and residual uncertainty. Contractual responsibility is then determined under the project’s governing agreements and law.