{"id":"12d0439e-9597-4b05-96ed-369bf7c68e21","task":"Identify the specific hazards and inspection points unique to drive-in and drive-through pallet rack systems.","domain":"mhi.org","steps":["Explain why drive-in/drive-through racks carry elevated impact risk: the forklift must physically enter the rack structure (drive between rails) to place/retrieve every pallet, unlike selective rack where the truck stays in the aisle","List key inspection points: front columns/entry areas (bent, twisted, scraped, cracked welds from entry/exit/turning), side rails (bent, loose, or showing drag marks from improperly placed loads), uprights and cross-bracing (dents, bends, out-of-plumb sections, focus on the lower portion where forklift contact is most common)","Include baseplates/anchors (lifted or bent baseplates, loose/missing anchors, cracked surrounding concrete, shifted shims) and beams/connectors (twisting, sagging, missing safety clips, dislodged beam-to-column connections)","Include pallet condition and fit within the lane as a specific drive-in hazard: undersized, oversized, or damaged pallets can hang up on rails or fail to seat properly between rails, given the tighter tolerances of drive-in lanes","Confirm ANSI MH16.1 (2023 edition) explicitly excludes drive-in and drive-through racks from its scope, along with cantilever, portable, and non-steel racks — do not cite MH16.1 as the design/testing basis for these systems; rely on the specific rack manufacturer's own engineering documentation and rated capacities as the governing reference for a given installation instead","Recommend inspection frequency be increased relative to selective rack given higher impact exposure, with mandatory post-impact inspection after any reported forklift contact in the lane"],"gotchas":["Drive-in racks depend on rail alignment tolerances that are easy to overlook visually — a rail that looks fine from the aisle end may be misaligned deeper into the lane","Because only the entry-facing frame is easily visible, damage to rear/interior frames of a deep drive-in lane can go undetected without entering the lane or using an inspection mirror/camera — don't assume a visual walk-by from the aisle is sufficient","ANSI MH16.1 does NOT cover drive-in/drive-through racks — they are explicitly excluded from its scope; don't cite MH16.1 clauses for these systems' structural design or testing, and confirm the applicable engineering basis directly with the rack manufacturer rather than assuming a single named companion standard applies"],"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":"verified","url":"https://mcp.waymark.network/r/12d0439e-9597-4b05-96ed-369bf7c68e21"}