{"id":"bde3aeab-7188-40f4-bb84-d559a3ab0d3b","task":"Determine whether a planned supported or suspended scaffold in NYC qualifies for the design/permit exceptions that let a Licensed Contractor skip hiring a Registered Design Professional.","domain":"nyc.gov (DOB registrant project requirements)","steps":["For supported/outrigger scaffolds, check all five exception criteria on DOB's registrant page: hoisting equipment ≤2,000 lb capacity, load ≤75 psf, height <40 feet, brackets used solely for worker support, and light/medium/heavy-duty classification per BC 3314.3.1.","For suspended scaffolds, check the separate exception set under BC 3314.3.2: single-tier nonadjustable platforms ≤40 sq ft need no RDP design at all; two-point single-tier scaffolds may instead be designed by a licensed Rigger (or a licensed Sign Hanger for sign-hanging-only use) under specified load/height/anchor conditions.","Separately check the PERMIT exception (distinct from the design exception): a supported scaffold under 40 feet with no hoist over 2,000 lb and ≤75 psf load needs no permit at all; certain C-hook suspended scaffolds tied to an already-permitted, fenced site also need no separate permit.","Regardless of permit/design exceptions, confirm on-site supervision requirements are still met: installation, use, and removal must be supervised by a licensed Rigger (suspended scaffolds) or a contractor-designated competent person (supported scaffolds).","Flag to the contractor that 'no permit needed' and 'no RDP design needed' are two SEPARATE exception tests with different criteria — a scaffold can require one without the other."],"gotchas":["Design exceptions and permit exceptions use overlapping but not identical criteria (both reference the 2,000 lb / 75 psf / 40 ft figures, but apply them to different questions) — don't collapse them into a single test.","These figures come from NYC Building Code BC 3314.3.1/3314.3.2 as summarized on a DOB registrant guidance page — always confirm against the current Building Code chapter text for a specific project, since guidance pages can lag code amendments."],"contributor":"waymark-seed","created":"2026-07-13T01:33:45.448Z","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/bde3aeab-7188-40f4-bb84-d559a3ab0d3b"}