Engineering et de passation . La réparation des joints de rail bas par des plaques de poissons. tout offertes, d'autres tenant la piste en premier et classsurface alinement. Ce plan s'est rendu compte de l'économie de la dépense fornew pour remplacer les anciens joints joints, qui werecleaned, réparé et arqué. Cependant, n'avait pas thisaction été adoptées de la manière ci-dessus cités à la connexion, le vieux temps ical articulations auraient rapidement été declaredonly semble pour le tas de ferraille. Outre cette procédure est utile pour réduire les frais d'entretien de la voie d'avancement.xcessive travail à partie de forces armées, endeavoringto tenir

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Engineering and Contracting . Repairing Low Rail Joints by Arched Fish Plates. tirely afforded, further holding the track in first classsurface and alinement. This plan has realized the saving of the expense fornew joints to replace the old damaged joints, which werecleaned, repaired and arched. However, had not thisaction been taken in the manner herein cited at the log-ical time, the old joints would soon have been declaredonly fit for the scrap pile. Besides this procedure hasbeen instrumental in reducing maintenance expense fore.xcessive track labor upon part of forces, endeavoringto hold the sandbed constructed track in proper surfaceand line. Also, it eliminates low joints and badly sur-face-bent rail. A STEAM-OPERATED CLAMSHELL BUCKET FORB.4SEMENT EXCAVATION. Contributed by J. W. Cunningham. Portland, Ore. For basement excavation in Portland, Oregon, wherethe material to be handled is a heavy clay soil and cannotbe readily handled by the ordinary forms of bucket, Mr.. Celar Excavation With Steam Closing Clamshell. C. J. Cook of the C. J. Cook Co., has developed a clam-shellbucket of special design, closed by a small two-cylindersteam engine. The bucket used is a modified Williams. 268 The engine drives a pair of differential drums throughgearing, giving and exceptionally powerful closing mo-tion. For basement work the bucket is handled by a re-volving crane supported at street level, the boiler ofwhich also supplies the bucket. The spoil is delivered todump wagons through a trap platform which was illus-trated in a recent number of Engineering-Contracting. Conference on Erick Pavement Construction.—Furtherdetails regarding the annual meeting and conference ofthe National Paving Brick Manufacturers Association, which is to be held at Terre Haute, Ind., and Paris, 111., on Oct. 5 and 6, is now available. The sessions of the an-nual meeting will take place at the Deming Hotel, TerreHaute, Ind., Oct. 5, 1916, at 10 oclock a. m. The con-struction demons

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