# General design characteristics.

- **operation:** document
- **citation:** 49 CFR 193.2151
- **title:** General design characteristics.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 1999-10-01
- **summary:** (a) An impounding system must have a configuration or design which, to the maximum extent possible, will prevent liquid from escaping impoundment by leakage, splash from collapse of a structure or part thereof, momentum and low surface friction, foaming, failure of pressurized piping, and accidental
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-193-2151.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-193-2151.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-193-2151
- **source url:** https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2151
**body:**

(a) An impounding system must have a configuration or design which, to the maximum extent possible, will prevent liquid from escaping impoundment by leakage, splash from collapse of a structure or part thereof, momentum and low surface friction, foaming, failure of pressurized piping, and accidental pumping.

(b) The basic form of an impounding system may be excavation, a natural geological formation, manufactured diking, such as berms or walls, or any combination thereof.
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- **body characters:** 477