"When engineers see a bridge’s infrastructure is experiencing stress, they don’t wait for it to collapse before doing something." ...
Estimate a simply supported entertainment truss span with a main point load, distributed fixture load, self-weight, dynamic allowance, derating, sling angle factor, and left/right support reactions.
Check stage rigging WLL, sling angle tension, adjusted break strength, dynamic load allowance, and actual design factor from tagged component data.