Poultry culture sanitation and hygiene . 192 POULTRY CULTURE and most substantial foundation and floor is made of 81 to 82 show views of the construction of the mainpart and one wing of the new 180 feet unit system breeding-house at the North Carohna Experiment Station. Figure83, 4 shows the survey outfit and a means of finding the this is not available a line can be stretched and, by aidof the level and straight edge, the level Kne can be 83, 7 shows the forms in which the concrete foundationis made. This foundation is 4 inches wide and 1 foot above
Poultry culture sanitation and hygiene . 192 POULTRY CULTURE and most substantial foundation and floor is made of 81 to 82 show views of the construction of the mainpart and one wing of the new 180 feet unit system breeding-house at the North Carohna Experiment Station. Figure83, 4 shows the survey outfit and a means of finding the this is not available a line can be stretched and, by aidof the level and straight edge, the level Kne can be 83, 7 shows the forms in which the concrete foundationis made. This foundation is 4 inches wide and 1 foot abovethe ground at the highest point. It extends into the ground 1. Fig. 83.—Construction of the foundation and floor. 1, The cinders,which are being leveled and tamped (2) after being wet down (3); 4 is thesurvey outfit to find the level; 5, mixing the concrete; 7, the forms whichextend 1 foot into the ground and in which the 4-inch concrete wall is made;8, the 3-inch coat of coarse concrete; 9, the bolts set into the concreteto which the 4 by 4 inch sills are to be bolted. foot. The floor space inside the frames is filled in with cindersof a good grade to within 4 inches of the top of the foundationframes. These cinders are wet down and tamped (Fig. 83, 2,3). Figure 83, 8 shows 3 inches of crushed rock and sand andcement. The crushed rock and sand should constitute 7parts and Portland cement 1 part. The gravel, sand, andcement are mixed dry, then wet down and mixed again to theproper consistency, loaded into wheelbarrows, wheeled tothe proper places, and tamped down. On top of this is placed THE CONSTRUCTION OF POULTRY HOUSES 193 1 inch of cement,
Size: 2122px × 1178px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectpoultry, bookyear1921
