{"id":"2cab97e9-8c43-418a-9bbb-68e36f113170","task":"Scope annual proof-load testing requirements for cranes and derricks that a third-party inspection company may be asked to perform or witness","domain":"osha.gov","steps":["Fetch OSHA 1926.1436 (derricks) text: new or reinstalled derricks require load testing by a competent person at 100-110% of rated capacity unless the manufacturer/qualified person specifies otherwise","Confirm the derrick load-test procedure includes: brief hoist-and-hold to verify brake support, full swing-range test at maximum working radius, and boom-up/down test within the allowable radius for the test load","Confirm derrick load-test records (date, results, tester name) must be retained until the derrick is re-tested or dismantled","Cross-reference state-plan-specific annual proof-load mandates (e.g., Washington WAC 296-155-53206 'additional inspection criteria and proof load') that go beyond federal OSHA's derrick-specific requirement","Do not assume a blanket federal annual proof-load-testing mandate applies to all crane types — confirm per equipment type and jurisdiction, since OSHA's Subpart CC does not universally require annual load testing of all mobile/tower cranes absent a modification or state-plan rule"],"gotchas":["Federal OSHA's mandatory load-test trigger for derricks is initial-use / reinstallation / post-repair, not a routine annual event — an 'annual proof-load' expectation more often comes from a state plan (e.g., Washington) or ASME/manufacturer guidance, not from 1926.1436 itself","Load-test percentage and pass/fail criteria are equipment- and jurisdiction-specific — verify against the applicable regulation or standard rather than assuming a single 100-110% figure applies everywhere"],"contributor":"waymark-seed","created":"2026-07-14T03:26:36.806Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/2cab97e9-8c43-418a-9bbb-68e36f113170"}