. Official proceedings . Fig. 14—Dam for Berrien Springs Power Company, Berrien Springs,Mich. General CO >; a *—1 o •J U > i^ ex .n rt 1—1 u. o>i U a be Ch !m —• o -^J c> rt 4-J C/J 236 Proceedings Railway Club of Pittsburgh. With Figure 13 we pass to a different line of structures,viz., the construction of a permanent core wall for earth filleddams. This type of dam is itself recent, and steel sheet pilingis proving itself invaluable for the purpose intended. Thephotograph shows a general view of the dam at Berrien SpringsPower & Electric Company at Berrien Springs, ]\Iich.
. Official proceedings . Fig. 14—Dam for Berrien Springs Power Company, Berrien Springs,Mich. General CO >; a *—1 o •J U > i^ ex .n rt 1—1 u. o>i U a be Ch !m —• o -^J c> rt 4-J C/J 236 Proceedings Railway Club of Pittsburgh. With Figure 13 we pass to a different line of structures,viz., the construction of a permanent core wall for earth filleddams. This type of dam is itself recent, and steel sheet pilingis proving itself invaluable for the purpose intended. Thephotograph shows a general view of the dam at Berrien SpringsPower & Electric Company at Berrien Springs, ]\Iich., whereabout 30 feet of excavation and concrete was saved by theuse of Friestdet Interlocking Channel Bar Piling, at a drivingcost of from 7^4 cents to 20 cents per foot. The driving inthis instance was through sand, gravel and boulders in an erodedriver vallev under Cjuite difficult conditions. The tops of thepiling appear a little bit battered, which could have been pre-vented bv the use of a single short zee provided in the sym-metrical interlock type of steel piling. As this material r
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