. L'éclairage des salles d'école; un manuel pour les conseils scolaires, les architectes, les surintendants et les enseignants. Le bâtiment sera vu, comme on devrait s'y attendre, quatre fois la hauteur du bâtiment. C'est-à-dire que les dimensions du lot seraient (80 + 160)X (65 + 160) ou 240 X 225 pieds. Si les bâtiments de la zone de capitulageavaient seulement 30 pieds de hauteur, les dimensions du lot seraient (80 + 120) X (65 + 120) ou 200 X185. De même, si le bâtiment doit avoir six ou huit pièces sur un étage, la taille du site peut être figurée en ajoutant quatre fois la hauteur des bâtiments opposés à chaque dimension de

• Contributeur: Reading Room 2020 / Alamy Banque D'Images
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. The lighting of school-rooms; a manual for school boards, architects, superintendents and teachers. thof the building will be seen, as we should expect, tobe four times the height of the building. That is, theminimum dimensions of the lot would be (80 + 160)X (65 + 160) or 240 X 225 feet. If the surroundingbuildings were only 30 feet high the dimensions ofthe lot would be (80 + 120) X (65 + 120) or 200 X185. Similarly, if the building has to have six oreight rooms on a floor, the size of the site can befigured out by adding four times the height of theopposing buildings to each dimension of our proposedbuilding, which should be aibout 90 X 100 for six-roombuilding and 95 X130 for an eight-room building.These calculations, though approximate and assum- SELECTION OF THE SITE 15 ing the need of light from all sides, will serve to indi-cate the amount of land needed in case the opposingbuildings stand on the property line. The width ofstreets bordering the site and the distance q, way ofpermanent buildings from the line separating the loton which they stand from that of the school may be. Fig. 4.—Space needed for 65x80 foot school-house if lighted onall sides and entirely shut in by buildings 40 feet high. Showsneed of another type of building. An H-shaped building (SeeFig. 7) would occupy two-thirds of the lot. credited to the advantage of the school lot. Wherethe land is very expensive an architect should beconsulted before any reduction in these demands ismade. He will be able to determine whether by vary-ing the type of building the given amount of landmay be made to sufSee or not. Corner lots increase by the width of the streets the 16 THE LiaHTING OF SCHOOL-ROOMS size of the lot for practical lighting purposes (seeFig. 5), but are often noisy and sometimes moreexpensive than a lot extending through the middleof a block from street to street. This has led incrowded localities to an adaptation in the form ofthe bjiildiag. Three types of building are found 1 h ! i

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