Assertion: aqueduct | /r/HasProperty | functioned without backup
Facets:
value: the minimum time it took
type: TEMPORAL
Source sentences:
text: Because the aqueduct functioned without backup, within the short period of seventy-two hours – the minimum time it took to shut the aqueduct down, drain the structure, and make a few key repairs – the amount of water in the Manhattan reservoirs would rapidly decrease.