{"operation":"document","citation":"49 CFR 193.2159","title":"Floors.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":null,"effective_on":"1999-10-01","summary":"Floors of Class 2 and Class 3 impounding systems must, to the extent feasible—\n\n(a) Slope away from the component or item impounded and to a sump basin installed under § 193.2171;\n\n(b) Slope away from the nearest adjacent component;\n\n(c) Drain surface waters from the floor at rates based on a storm ","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-193-2159.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-193-2159.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-193-2159","source_url":"https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2159","body":"Floors of Class 2 and Class 3 impounding systems must, to the extent feasible—\n\n(a) Slope away from the component or item impounded and to a sump basin installed under § 193.2171;\n\n(b) Slope away from the nearest adjacent component;\n\n(c) Drain surface waters from the floor at rates based on a storm of 10-year frequency and 1-hour duration and other natural water sources; and\n\n(d) Be designed to minimize the wetted floor area.","truncated":false,"body_characters":429}