. Public health bulletin. >*!.:?: »•.-•«»?• >..•>/ Tf t*_ ? Fig. 8. 36 then go directly to dining rooms and kitchens, where they track thisfilth over peoples food. Chickens, cats, dogs, and other animals scatter the filth aroundthe premises, often near the well, into which it is washed by thefirst rain. This filth also seeps and soaks into the ground and contaminateswells and springs for a distance of several hundred yards or more. CONSTRUCTION OF SANITARY PRIVY. 1. Study the designs carefully. 2. Dig the hole in the ground 5 inches larger than the outsidedimensions of the vaul
. Public health bulletin. >*!.:?: »•.-•«»?• >..•>/ Tf t*_ ? Fig. 8. 36 then go directly to dining rooms and kitchens, where they track thisfilth over peoples food. Chickens, cats, dogs, and other animals scatter the filth aroundthe premises, often near the well, into which it is washed by thefirst rain. This filth also seeps and soaks into the ground and contaminateswells and springs for a distance of several hundred yards or more. CONSTRUCTION OF SANITARY PRIVY. 1. Study the designs carefully. 2. Dig the hole in the ground 5 inches larger than the outsidedimensions of the vault. ?). Make suitable forms corresponding to the inside dimension ofthe vault. 4. Pour the bottom of the vault and allow the concrete to set. 5. Place the forms accurately in the hole, leaving a 5-inch spaceon all sides. 6. Pour the walls, using barbed wire for reenforcing, and put inthe anchor bolts. 7. When sufficiently dry, remove the forms and plaster the insideof the vault with rich concrete to make it positively water-tight. 8. Put on a new privy seat, flue, back li
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