In addition to the requirements in § 1926.1412(c), the following requirements must be met:
A load test using certified weights, or scaled weights using a certified scale with a current certificate of calibration, must be conducted after each erection.
The load test must be conducted in accordance with the manufacturer's instructions when available. Where these instructions are unavailable, the test must be conducted in accordance with written load test procedures developed by a registered professional engineer familiar with the type of equipment involved.