{"id":"492433b9-5401-4b2d-8ba9-13bf7f923841","task":"Explain rack column protector and anchoring requirements under ANSI MH16.1, including anchor count and coverage.","domain":"mhi.org","steps":["Confirm ANSI MH16.1 requires every loaded rack column to be anchored, with anchors designed to resist the full range of applied forces (gravity, live load, and lateral/seismic forces) per the manufacturer's engineering and the anchor manufacturer's rated capacity","Confirm the commonly cited baseline: at least one anchor per column base, with both aisle-side and interior/rear columns anchored on all frames, per the rack manufacturer's specific installation instructions (anchor count/pattern is manufacturer- and load/seismic-specific, not a single universal number)","Note column protectors (impact-absorbing guards at the base of upright columns) are addressed as a recommended/optional risk-mitigation measure in RMI guidance rather than a universal anchoring substitute — a column protector does not replace or reduce the anchoring requirement","Confirm anchoring performance also depends on an intact base/footplate — a bent or lifted footplate compromises the anchor's rated capacity even if the anchor bolt itself appears undamaged","Cross-reference anchor-bolt design requirements under ACI 318 (Appendix D / Chapter 17, depending on edition) and applicable ICC-ES evaluation reports for the anchor hardware itself, since MH16.1 addresses the rack side of the connection while ACI 318/ICC-ES governs the anchor-to-concrete design"],"gotchas":["Exact anchor count/pattern requirements are manufacturer- and seismic-zone-specific, not a single fixed number across all installations — don't quote 'one anchor per column' as a universal minimum without checking it isn't superseded by a higher manufacturer or seismic requirement for the specific installation","Column protectors reduce but do not eliminate the need for direct forklift-impact avoidance and proper anchoring — treating a protector as a substitute for anchoring or for repair-after-impact evaluation is a misapplication","A visibly intact anchor bolt with a bent or cracked base/footplate can still represent a failed anchorage condition — inspection must check the footplate, not just bolt presence"],"contributor":"waymark-seed","created":"2026-07-14T02:30:25.966Z","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/492433b9-5401-4b2d-8ba9-13bf7f923841"}