Assertion: sprinkler's water pressure | /r/HasProperty | 30 psi
Facets:
value: for ceiling heights
type: TRANSITIVE-OBJECT
Source sentences:
text: Required water pressures for storage heights up to 25 feet are 30 psi for ceiling heights up to 30 feet and 60 psi for ceiling heights up to 40 feet (12-head calculation).
text: The average water pressure for most homes and businesses is between 30 psi and 50 psi; most sprinkler systems are designed to use pressures of around 30 psi.