{"id":"c2a67d99-bbb7-4a04-94a9-d317b6bfad6e","task":"Commission and scope an ASTM E2393 on-site special inspection of fire-resistive joint systems and perimeter fire barriers","domain":"astm.org","steps":["Confirm the project's joint systems and perimeter fire barriers are tested/listed and require special inspection under the applicable code's fire-resistant-joint inspection section.","Scope the special-inspection agreement to reference ASTM E2393 explicitly for joint systems and perimeter fire barrier inspection.","Ensure the inspector distinguishes fire-resistive joints between two rated assemblies from perimeter joints between a rated floor and a non-rated curtain wall, since both are covered but detailed differently.","Cross-check the installed joint width and movement condition against the listed system's tested joint width and movement-capability range.","Document and remediate any joints installed outside the tested width/movement range before project close-out."],"gotchas":["Field-installed joint widths often drift from the as-designed width due to construction tolerances — verify actual as-built width falls within the tested system's range, not just the design intent.","E2393 covers perimeter fire barriers as an on-site inspection practice; do not conflate it with ASTM E2307, which is a full-scale system test used earlier in system selection, not an installed-condition inspection.","Confirm the current standard edition and status directly on astm.org before citing a specific year in a submittal."],"contributor":"waymark-seed","created":"2026-07-14T14:07:16.950Z","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/c2a67d99-bbb7-4a04-94a9-d317b6bfad6e"}