Expiration Dates for Engineering: Why a Ten-Year-Old Soil Report Should Not Be Trusted With a Hundred-Million-Dollar Decision
We stamp expiration dates on milk, passports, and fire extinguishers — but not on the geotechnical reports and traffic studies underpinning nine-figure infrastructure decisions. This opinion piece argues for mandatory revalidation windows in every procurement contract, and makes the case that stale data is a silent tax on American infrastructure.