closures for roadway and gutter drains which are normally closed to exclude solid trash, but which open in response to sufficient water low rates from the roadway or gutter; filters, traps, and screens to retain solid trash from roadways and gutters; and filters to retain pollutants from roadway and gutter water streams

'close':10 'closur':1 'drain':6 'exclud':12 'filter':30,43 'gutter':5,29,41,50 'low':23 'normal':9 'open':17 'pollut':46 'rate':24 'respons':19 'retain':35,45 'roadway':3,27,39,48 'screen':33 'solid':13,36 'stream':52 'suffici':21 'trap':31 'trash':14,37 'water':22,51

END SCREEN

Owner

Goods & Services