Assertion: reservoir's foot | /r/HasProperty | 0.91 m
Facets:
Source sentences:
text: To minimize foundation seepage through the alluvium, 3 feet (0.91 m) thick cut-off walls of plastic concrete were constructed across the three alluvial channels and excavated at least 2 feet (0.61 m) into bedrock.
text: The cut-off wall, which consists of a 3 feet (0.91 m) thick plastic concrete mix constructed through the weathered portion of bedrock, varies in depth from 10 feet (3.0 m) to 110 feet (34 m) and totals 250,000 square feet (23,000 m2).
text: Throughout the summer, the water level is lowered by up to 3 feet (0.91 m) to provide for downstream irrigation needs, and is further lowered after September to provide necessary water storage capability to prevent possible downstream flood damage during the Willamette Valley's rainy season.