What is a transition sump?
A liquid tight container typically installed at a point where product piping from an aboveground storage tank transitions to underground piping. Other forms of transition sumps may accomodate piping from an UST tank to AST generators, or for piping that resides only below grade.
What is a dispenser sump?
Dispenser Sumps – Dispenser sumps are designed to provide access to piping, flex connectors, shear valves, and other equipment located beneath the dispenser. Transition sumps are used to transition from above-ground piping to below-ground piping or, in some cases, to transition between different types of piping.
What is a sump flange?
FlexWorks Tank Sump Mounting Flanges are used to mount tank sumps to 4″ and 6″ UST bung fittings. The No-Bolt Style mounting flange is used to mount sumps to 4″ UST bung fittings and attaches to the bottom of the sump for added security and liquid-tight connection.
What is under dispenser containment?
Under-Dispenser Containment (UDC) Under-dispenser containment or UDC is containment underneath the dispenser system designed to prevent leaks from the dispenser and piping within or above the UDC from reaching soil or groundwater. UDC must be liquid-tight on its sides, bottom, and at any penetrations.
What is a STP containment sump?
Tank sumps are protective enclosures for pumps, piping and other accessories above the tank top. Tank sumps should be watertight and durable since they will protect the surrounding environment in the event of a piping leak.
What does STP sump mean?
the sump for the submersible turbine pump (STP) of an underground storage tank in Florida. Acetic acid produced by biodegradation of ethanol that found its way into the sump is one plausible answer.
Does def require secondary containment?
Secondary containment is required for the storage of all regulated hazardous materials. While diesel exhaust fluid is not considered a hazardous liquid by the EPA, this containment option will be a benefit to those customers concerned with ground and water contamination.
What is a UDC at a gas station?
UDC stands for “Under Dispenser Containment” and is sometimes referred to as a sump, as it is a collection point for gasoline leaks or drips from the piping or in-dispenser components.
What is a good sump pump to buy?
Best Sump Pumps of 2021
- Most Compact: Superior Pump Store 1/4-Horsepower Utility Pump.
- Best Submersible Pump: Zoeller M53 Mighty-Mate Sump Pump.
- Best Power: Wayne Submersible Cast-Iron and Stainless-Steel Sump Pump.
- Best Battery Backup: Wayne Upgraded Combination Battery Back-Up Sump Pump.
What do containment sumps include?
a) All containment sumps must consist of a factory manufactured containment that is liquid-tight on its sides, bottom and at any penetrations and is compatible with the substance conveyed by the piping. European suction piping systems are not required to have this containment.
Where is the STP located?
The South Texas Project Electric Generating Station (also known as STP, STPEGS, South Texas Project), is a nuclear power station southwest of Bay City, Texas, United States. STP occupies a 12,200-acre (4,900 ha) site west of the Colorado River about 90 miles (140 km) southwest of Houston.
Does DEF need spill containment?
Storage regulations for DEF change based on state, county and city specifications. However, some California municipalities such as Santa Fe Springs and Fontana require the secondary containment of DEF in the form of double-walled tanks, containment basins or berms around tanks.