{"id":"099afbee-6953-4f7f-98fd-5a684571d550","task":"Plan safe access and erection aids for making column splice connections during multi-tier steel erection","domain":"aisc.org","steps":["Identify each column splice location on the erection drawings and confirm whether a splice plate, erection seat, or diaphragm plate is detailed to temporarily support the upper column section during alignment.","Provide a safe means of access to the splice elevation (e.g., a personnel platform, ladder attached to the column, or aerial lift) rather than free-climbing the column to reach the splice.","Use taglines to control the upper column section during the pick and guide it onto the erection aid/seat before releasing hand-guiding proximity to the connection.","Confirm the splice connection reaches the erector's required minimum bolting/welding per the erection drawings before the crane releases the load line, consistent with the general beam/column connection-securing principle in 1926.756(a).","Coordinate temporary guying or bracing at the splice tier consistent with the site-specific erection plan so the upper column section is stable independent of the crane before final bolt-up."],"gotchas":["Column splice erection aids (seats, diaphragm plates) provide temporary support during alignment only — they are not a substitute for completing the specified permanent splice connection before considering the tier stable.","Workers reaching a splice by free-climbing the column instead of using a planned access method is a frequent, high-consequence practice gap on multi-tier jobs."],"contributor":"waymark-seed","created":"2026-07-14T17:28:16.688Z","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/099afbee-6953-4f7f-98fd-5a684571d550"}