Mechanical Contracting & Plumbing January-December 1909 . e often madeuse of in public buildings, particularlyin school buildings. The trough ismade of cast iron or glazed stone ware,is trapped at the outlet and has an automatic water line, to be reached or removedby subsequent flushings. Fourth,—The lack of the constant at-tention required by this style of closetcauses the surface above the water lineto become fouled, producing a roughsurface, causing it to retain the excretaand become exceedingly foul condition is more prevalent incast iron closets, which are cheaplyma
Mechanical Contracting & Plumbing January-December 1909 . e often madeuse of in public buildings, particularlyin school buildings. The trough ismade of cast iron or glazed stone ware,is trapped at the outlet and has an automatic water line, to be reached or removedby subsequent flushings. Fourth,—The lack of the constant at-tention required by this style of closetcauses the surface above the water lineto become fouled, producing a roughsurface, causing it to retain the excretaand become exceedingly foul condition is more prevalent incast iron closets, which are cheaplymade and are coated with an inferiorenamel. In addition to these reasons, tin-amount of time, labor and water whichthese closets require for supervision andcleaning are, in the estimation of thewriter, sufficient reason why they shouldnot be installed in school buildings. My personal observation of tieurinals used in the school buildings of Installation of Plumbing in School Buildings By William G. Williamson, Sanitary Engineer, Detroit, Mich. 3 I I U5*. r/=rO/YT ELCl/AT/Or/ should be extended from the crock andenter the building to the point at whichthe several vertical stacks are to beconnected. Proper clean-outs should beprovided on all horizontal lines and atthe foot of every stack and all verticalstacks should extend at full sizethrough the roof to insure proper ven-tilation of the plumbing system. Therainwater and sub-soil drainage shouldbe connected into the house sewer out-side of the main house trap and beseparately trapped. Latrine Closets. There are now many sanitary en-gineers and plumbing inspectors who In comparison with a range of sub-stantial siphon closets, with a seat ac-tion flush, they are, in my opinion,much inferior. Second.—A considerable quantity ofexcreta is liable to accumulate in thetrough, producing offensive odors. Notonly is this true of the sides of thetrough, but we must take into consid-eration the amount of excreta, depositedin these ranges,
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