Report to the Board of Public Improvements On the Water Supply of St Louis
Report to the Board of Public Improvements On the Water Supply of St Louis
Saint Louis Mo Water Commissioner
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47 'constitutes the present clarification plant. Water lifted by the low service pumps to the delivery well flows with its charge of chemicals to the basins. A filling conduit dividing at the northwest corner of the basin sys- tem connects on the west side with each of six masonry basins ; the branch is connected by four gates with the most northerly of this series, and extends eastward to the nearest (No. 9) of a parallel series of three new reinforced concrete basins. Between the new and old ...series of basins and connected with each unit is a masonry conduit. Water which has received chemical treatment may pass to any one or all of the masonry basins or to Basin 9. The present practice uses only Basins 1, 6 or 9 for filling. The six masonry basins are each 670x400 feet long: their capacity is about 25 million gallons each ; weirs between successive basins are 610 feet long. The sixth basin is connected by a duct near the surface with Basin 7 (40 million gallons capacity) whence flow is over successive weirs to Basins 8 and 9, which have a capacity of about 20 million gallons each.
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