. Il pollame case e attrezzature. Come disporre le piante di pollame ... , E lo spazio sotto il pavimento è strettamente en- • E.tratto dal bollettino 87, Dipartimento Canadese bf Agricoltura. In case di un motoref.solide fondamenta e pavimenti in cemento,il davanzale è comparativamente di poca importanza e usuallyconsists di un singolo 2x4, o, in alcuni casi, due 2x4sspiked insieme. Case con pavimenti in cemento dovrebbe beanchored, in modo che non possano essere spostate dal vento. 16 case di pollame e attrezzature per questo scopo, half-inch bulloni deve essere impostato nella parete la fondazione ad intervalli di circa dieci metri. Questi boltss

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. Poultry houses and fixtures. How to lay out poultry plants ... , and the space underneath the floor is tightly en- • E.tract from Bulletin 87, Canadian Dept. bf Agriculture. In houses withf.solid foundations and concrete floors, the sill is of comparatively little importance, and usuallyconsists of a single 2x4, or, in some instances, two 2x4sspiked together. Houses with concrete floors should beanchored, so that they cannot be shifted by the wind. 16 POULTRY HOUSES AND FIXTURES For this purpose, half-inch bolts should be set in thefoundation wall at intervals of about ten feet. These boltsshould be about one foot in length, with washers forboth ends. The bolts should be embedded in the con-crete, with the head down, and the threaded end extend-ing three or five inches above the top of the foundation, depending upon whether a single or double sill is to beused. This method of anchoring the sill is indicated in Fig. 11. The joistsin board floorsshould always bebridged by the useof diagonal strips, is shown in Fig.15. which stiffenthe floor and add. greatlystrength. Variousare used FIG. 13—FRAMING SILLS FORBOARD FLOOR to its methodsin con-structing the framework. It is possibleto frame a buildingvery cheaply, especially where upright boards are used forthe walls. Fig. 19 shows a cheap but practical frame, consisting of a single 2x4 sill, single studs at each cor-ner, with wall studs every five to ten feet to support thetop plates and girders or stringers, one of which shouldalways be provided midway between sill and rafter plateto stiflfen the walls and prevent warping of the boardsused for siding. Under ordinary conditions, a buildingconstructed in this way. with the outside covered with agood grade of prepared roofing, will answer, though itis too light for a permanent building or one of large size.Where tongue-and-grove siding is to be used, themethod of framing illustrated in Fig. 16 is commonlyemployed, the wall studs being spaced two feet from

Parole chiave associate all'immagine

• bookcentury1900
• bookdecade1910
• booksubjectpoultry
• bookyear1919