. Electric railway journal . Fig. ig—Southern Pacific 1200-Volt Lines—Center PoleConstruction on Tangent Track in City Streets structioh 30 ft. ong, but 34-ft. poles are used for doublecross-arm and auxiliary mesenger cable sections. POLE DETAILS The general construction of the several types of polework is clearly shown in the drawings, but it may be ofinterest to give further particulars about different equip-ment details. Fig. 21—Southern Pacific 1200-Volt Lines—Cross-SpanConstruction on Tangents more than il/2 in. deflection at the top when carrying aninstallation of the weights noted. When
. Electric railway journal . Fig. ig—Southern Pacific 1200-Volt Lines—Center PoleConstruction on Tangent Track in City Streets structioh 30 ft. ong, but 34-ft. poles are used for doublecross-arm and auxiliary mesenger cable sections. POLE DETAILS The general construction of the several types of polework is clearly shown in the drawings, but it may be ofinterest to give further particulars about different equip-ment details. Fig. 21—Southern Pacific 1200-Volt Lines—Cross-SpanConstruction on Tangents more than il/2 in. deflection at the top when carrying aninstallation of the weights noted. When set 6 ft. in con-crete each pole was to withstand a pull, applied at a dis-tance of 18 in. from the top, of the calculated amount dueto a windstorm of 60 Under this pull, placedat 600 lb., the pole was to show a deflection of not morethan \ l/2 in. All poles were given one coat of red paint be- ELECTRIC RAILWAY JOURNAL. [Vol. XXXVIII, No. i ♦
Size: 1646px × 1518px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
