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Layout of Preparation

The first step is to outline the subject much the same way as it appears to the structural or architectural drawings. The layout for forming will look almost like the basement or foundation plan. An example can be given using a two foot wide panel since most systems are designed around panels of that size. Starting at the inside corners the form layout man draws in the corners to proper scale. The outside of the wall is figured in much the same way except at the corner. The outside corner is usually an angle which is used primarily for connection of forms. The size of the outside corner does not figure in the calculations. The next step is to prepare drawings of wall sections and possible elevations. In the wall section the height and thickness of the wall are drawn. The height of the wall will indicate the height of the form or forms required. In figuring the tie spacing the loads they must sustain should be determined. Form manufactures publish literature that can be used for the purpose. Tie location can also be shown on an elevation drawing to clarify special forming conditions. Formwork elevation drawings of the walls also serve other purposes. First of all, the arrangement of forms can be planned in proper position and in accordance with the wall section. Second, positions of hardware connections can be located as well as those of ties. On larger jobs, simple or complex, at the layout and detailing are prepared in the same manner. The many different types of forming such as Y-walls, shear walls, columns, piers, and other elements that require more intricate engineering and forming are discussed in other issues.