Common Hazards by OccupancyVersion en ligne The following are commonly violated hazards particular to different occupancies classified by the 2021 IFC. par Suzanne Freeman 1 Multi-Unit Residences 2 Manufacturing 3 Restaurants 4 Mercantile R-2, R-3, and I-1 occupancies, a smoke alarm required in each sleeping unit (907.2.11.2 & 1103.8) Fire safety evacuation plan (R-4) proof of staff training (405.6) Smoke detectors in motels for operation (901.6) Inadequate exhausting of flammable vapors (2404.7) Spontaneous ignition, oily rags (304.3.1) Chemical storage shall be identified in red letters (5003.8.7.2) No Occupant Load signs posted (1004.9) Illegal locks on egress doors (1010.2.10, 1010.2.4 & 1010.2.9) Grease accumulation on filters and/or in ducts (606.3.3.2) Candles on tables in unsafe holders (permit required) (105.5.36 & 308.2) Merchandise dispaly is neat and orderly (IFC 315.2) Storage of Class I-A flammable liquids in wholesale and retail sales areas shall not exceed 30 gallons in unsprinklered buildings.