The farmer his own builder : a guide and reference book for the construction of dwellings, barns and other farm buildings, together with their utilities, describing reliable methods, offering practical suggestions, presenting numerous details and formulas, and explaining simple rules for estimating the labor and materials required With special reference to concrete and carpentry . ents anyserious disturbance to the surface scum, which wouldretard the bacterial action, and is of the greatest im-portance. There is a slight accumulation of solids in 18 V C\J _L- SOIL. _ s&sl 9o 0 /i k- 12 Fig. 10
The farmer his own builder : a guide and reference book for the construction of dwellings, barns and other farm buildings, together with their utilities, describing reliable methods, offering practical suggestions, presenting numerous details and formulas, and explaining simple rules for estimating the labor and materials required With special reference to concrete and carpentry . ents anyserious disturbance to the surface scum, which wouldretard the bacterial action, and is of the greatest im-portance. There is a slight accumulation of solids in 18 V C\J _L- SOIL. _ s&sl 9o 0 /i k- 12 Fig. 104.—Method of aerating heavy soil by means of gravel. the bottom of the settling chamber, such as mineralmatter, which resists decomposition, and this sludgeshould be removed or drained off every couple of facilitate this operation the settling chamber maybe equipped with a valve D, controlled by an ironrod as shown in diagram. The mineral sediment thenpasses off into the disposal field. ig6 THE FARMER HIS OWN BUILDER FLOODING TILE FIELD The second and final step toward purification is in theapplication of the contents of the flush tank to the soil;and, as previously mentioned, this operation should beintermittent, to allow aeration. Without a siphon, it isnecessary to release the flush tank by hand once a day—an operation that should not take more than ten. Fig. 105.—Method of underdrainage. minutes of a boys time, and is controlled by the plugor valve E being lifted upward and replaced when thetank has emptied into the disposal field. This floods theentire tile field, whereas, if there were a small, contin-uous flow from the flush tank, that portion nearest thetank would absorb it all, and soon become saturatedand foul. The bacteria in this section could not livefor lack of air, while those in the farthest laterals would SANITARY DISPOSAL SYSTEM 197 not thrive in large numbers from lack of sewage tofeed upon. Sanitary results could be accomplished by surf;irriga
Size: 1403px × 1781px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherphiladelphiadmckay
