Is it necessary to install small dikes in the pump area outside the tank farm?
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According to Clause 5.2.28 of the “Fire Protection Design Standard for Petrochemical Enterprises (2018 Edition)”, around equipment areas where there is a possibility of leakage or spillage of flammable liquids during start-up, shutdown, and maintenance operations, dikes with a height of no less than 150 mm and liquid drainage facilities shall be installed. Is it necessary to set up a small cofferdam in the pump area? ?
Absolutely. This is what I’ve seen everywhere; it helps prevent sewage from overflowing
The main purpose is still to prevent the spread of flammable liquids during start-up, shutdown, and maintenance, thereby facilitating the collection and disposal of flammable materials.
Wasn’t it made quite clear that there’s a risk of leakage?
It is recommended to install one, or simply install the pump in a suitable area near the tank farm, so that any leaked liquid can be drained into the tank farm.
As required by the specifications, it must be set up.
The requirements aren’t too strict, and they’re based on sound reasoning; so, let’s make the changes.
For standard designs, I usually go with 300mm, which leads to the collection tank.
For safety reasons, a cofferdam must be installed. In case of any leakage, it facilitates containment, preventing the accident from escalating
The specifications mandate that such setups are necessary; it’s just that people have different interpretations: specifically, which locations are prone to leaks?
It is recommended to have one, so that any leaked liquid can flow into the emergency pool, thereby preventing accidents