Field Safety & Construction Calculator Suite: Rigging, Lifting, Steel & Permits
Free offline construction safety calculator suite by Aienginear: pneumatic test safe distance (ASME PCC-2-2022), sling tension (ASME B30.9-2025), crane mat bearing, AISC 360-22 steel checks, fire curves, confined space, excavation, scaffold and NFPA 51B hot work permits, with printable tables and a tamper-evident audit trail.
