Mechanical Contracting & Plumbing January-December 1912 . yerhcal Section #t # #. --, # Details of the catch basin. down the relatively complex compoundsof the sewage and to bring it to theliquid form, although not necessarilypurified. The scheme for aeration, in otherwords the arrangements for bringing airin contact with the effluent of the tankand thus to favor the activity of theaerobic bacteria, bringiong about puri-cation, is provided for in a double lineof underground open-joint terra cottapipe. The liquid from the septic tankreaches these sub-surface drainage linesthrough a 5-in. cast i
Mechanical Contracting & Plumbing January-December 1912 . yerhcal Section #t # #. --, # Details of the catch basin. down the relatively complex compoundsof the sewage and to bring it to theliquid form, although not necessarilypurified. The scheme for aeration, in otherwords the arrangements for bringing airin contact with the effluent of the tankand thus to favor the activity of theaerobic bacteria, bringiong about puri-cation, is provided for in a double lineof underground open-joint terra cottapipe. The liquid from the septic tankreaches these sub-surface drainage linesthrough a 5-in. cast iron pipe, deliveringinto a catch basin where entrance ishad to these two lines. A vertical section and plan of detailsof the catch-basin are shown. There, ifdesired, the two sub-surface lines maybe supplied alternately, as it is gener-ally regarded as desirable to give suchpurification or oxidizing arrangementsa period of rest, so that they are neverin the condition of getting clogged, andtherefore of preventing the free accessof air. It will be noted that these puri-fying lin
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplumbin, bookyear1912
