. Electric railway journal . San Francisco Track—Drop-Hammer for Breaking Concrete work. Some of this apparatus is special and was de-signed particularly to remove cable tracks. Much of it,however, is of a character which is entirely suitable toordinary construction and maintenance and could well be employed elsewhere. This work has been conducted by theengineering department of the company, which has chargeof all new construction and maintenance of way, and hasbeen under the direction of B. P. Legare^ejTgJneer of main-. San Francisco Track—Pronged Hook for Tearing UpConcrete tenance of way an
. Electric railway journal . San Francisco Track—Drop-Hammer for Breaking Concrete work. Some of this apparatus is special and was de-signed particularly to remove cable tracks. Much of it,however, is of a character which is entirely suitable toordinary construction and maintenance and could well be employed elsewhere. This work has been conducted by theengineering department of the company, which has chargeof all new construction and maintenance of way, and hasbeen under the direction of B. P. Legare^ejTgJneer of main-. San Francisco Track—Pronged Hook for Tearing UpConcrete tenance of way and construction, assisted by W. C. Cham-berlain, assistant engineer. ELECTRIC TRACK RECONSTRUCTION Most of the old electric track was built with a concretesubstructure, and its renewal means that this substructurehas to be removed. Where asphalt paving has been usedthis is first cut away. The concrete between the rails andabove the ties is then either loosened by a plow which is
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