US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-870 — POWERED PLATFORMS296-870-60055WAC 296-870-60055WAC 296-870-60055. CommunicationsLast amended: 2015Year: 2026Length: 22 wordsOfficial source You must make sure an effective two-way voice communication system is provided between the equipment operators and persons stationed within the building.PreviousWAC 296-870-60050NextWAC 296-870-70005