per cent of the piling these data shall be recorded during the entire period of driving. INSERT PG1s: li. The embedment of this piling has been chosen, based on an analysis of the properties of the soil, so as to provide the desired design capacity, It is not intended that a dynamic formula be used in the field to select or modify the desired depths of penetration of the piling. FIGURE 5,%6. (Continued,) 5-87