Public works . the intake, conduits and some of the buildings, alsoa part of the basins and the grit and mixing cham-bers. Other portions, of course, can be built a sec-tion at a time as the demands develop. The proposed system is divided into five sections—•tlie river plant, plant equipment, supply mains, res-ervoir, and service main. • QUANTITIES OF SLUDGE OBTAINED AT THE BACK RIVER SEWAGE TREATMENT WORKS Quantities of DigestedPrimary Sedimentation Tank SludgeProduced in Cubic Yards Year 90% Mois 1912 6,568 1913 11,348 1914 32,233 1915 47,010 1916 53,040 1917 51,029 1918 64,025 1919 59,886 1
Public works . the intake, conduits and some of the buildings, alsoa part of the basins and the grit and mixing cham-bers. Other portions, of course, can be built a sec-tion at a time as the demands develop. The proposed system is divided into five sections—•tlie river plant, plant equipment, supply mains, res-ervoir, and service main. • QUANTITIES OF SLUDGE OBTAINED AT THE BACK RIVER SEWAGE TREATMENT WORKS Quantities of DigestedPrimary Sedimentation Tank SludgeProduced in Cubic Yards Year 90% Mois 1912 6,568 1913 11,348 1914 32,233 1915 47,010 1916 53,040 1917 51,029 1918 64,025 1919 59,886 57,223 65 -o ,8773,2429,20913,43115,,29317,11016,349 Quantities of Primary Sedimentation Tank Sludge Disposed Of Delivered to th Reduction Co., Cubic Yds. 65% Mois. 13,63112,84812,80516,37719,322 Sold to the Reduction Co. Sold to Farmers Loads Wet, 90% Mois. 5100 40-18 847 31613 564 Dry 37. INTERIOR OF OXE OF THE SLUD(.;E REDUCTION PL.\XT BUILDINGS. PUBLIC WORKS Vol. 52. Xo. 12 The river plant includes the land, the necessaryprotection work on the river, intake, engine house,boiler house, grit chamber, mixing conduit, settlingbasins, filter plant, and other minor buildings, con-duits, etc. The estimated cost of this section is$3,711,000. The plant equipment includes high and low servicepumps with their auxiliaries, boilers, engine shops,locomotives, and filter plant eqtiipment. This isestimated to cost $1,447,000. The supply main section includes one 72-inch steelmain 9 miles long and the land and right-of-waynecessarv for it. The estimated cost of this is$1,589,000. The reservoir will be of concrete with a capacitvfor ,000 gallons and the cost of building thisand of the land for it is estimated at $1,130,000. The service main comprises two 72-inch steel lineseach 5 miles long, and cast iron mains necessary forconnecting up the distribution system. T
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmunicip, bookyear1896
