AUTOMATIC TANK GAUGING: monitors permanently installed in the tank are linked electronically to a nearby control device to provide information on product level and temperature. During a test period of several hours when nothing is put into or removed from the tank, these monitors are used to automatically calculate the changes in volume that can indicate a leaking tank.
SITE-SPECIFIC FACTORS
If water collects in the excavation, the automatic gauging system must have a water sensor.
TANK-RELATED FACTORS
To date, this system has been used primarily at sites with gasoline or diesel storage tanks having capacities under 15,000 gallons
COST FACTORS
Total cost per tank | - equipment: $2,300 - $3,900 |
- installation: $500 - $3 |
Installation costs: | - for site that has conduits for cables: $500 - $1,500 |
- if conduit must be laid: $2,500 - $3,000 | |
- for a very complex site with many conduits running long distances, rewiring is necessary: up to $10,000 |
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