Municipal blue book of San Francisco, 1915 . The city of San Francisco goes aliout the paving and repair ofher streets in a l)usiness-like manner. The new municipal asphaltplant recently constructed, including plant, property and railroadfacilities, cost approximately $130,000. The capacity is 180 loads,or 320 cubic yards, of wearing surface per day. All of the pavingmaterial is brought to the plant on cars, no teaming being sand, rock or gravel is then dumped from the cars into a con-crete receiving hopper with a capacity of 200 tons, or four this it is hoisted to


Municipal blue book of San Francisco, 1915 . The city of San Francisco goes aliout the paving and repair ofher streets in a l)usiness-like manner. The new municipal asphaltplant recently constructed, including plant, property and railroadfacilities, cost approximately $130,000. The capacity is 180 loads,or 320 cubic yards, of wearing surface per day. All of the pavingmaterial is brought to the plant on cars, no teaming being sand, rock or gravel is then dumped from the cars into a con-crete receiving hopper with a capacity of 200 tons, or four this it is hoisted to a screen and segregated into the properbin. The elevator capacity is eighty-five tons an hour. Asphaltis fed into the mixers in a liquid state, and forced from the measur-ing cylinder into the mixer by compressed air. Nine men are re-quired to operate the plant. All machinery is operated bv electricity. 1)i:part-Mext of Puulic Works 1-. ADOLPH JUDELLCommissioner ADOLPH JUDELL. Commis-sioner anci former President ofthe Board of Public Works, and aCivil Engineer of wide training and .experience, is a native of San Fran-cisco, where he was born , 1878. He is the son of HermanL. Tndell, a well-known merchantandresident of San Francisco since1859. After attending the public schools^Ir. Judell entered the Lniversity ofCalifornia, graduating- with the de-g-ree of B. S. from the Departmentof Civil Engineering in 1901. Im-mediatelv thereafter he entered theservice of the Santa Fe Railroad inthe department of survey and main-tenance of way, continuing until1902. At that time he assumed aresponsible position with the Progresso ^^lin-ing Company of California, conducting the progress and connection surveys forfive mines of the company. Two years later he was appointedAssistant Engineer for the Butte County Railroad, California, direct-ing the location and construction of an important division. ^Earlv in 190


Size: 1284px × 1946px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectpanamap, bookyear1915