On all public ways, bridges, viaducts or other public places of the city which are or shall hereafter be improved with granite, asphalt, macadam, brick, cedar block, creosoted block, or other artificial pavement of a permanent character, all street railroad rails which shall be laid shall be grooved rails as shown on the following profile of a section taken crosswise of the rail, and marked Exhibit 9-124-130, and in accordance with the following specifications:
The guard shall be three-fourths of an inch wide; the groove shall be one and three-fourths inches wide; the centerline of the web shall pass through a point nine-sixteenths of an inch from the gauge line; the tread of the rail shall be two and three-fourths inches wide on the horizontal, and two inches from the gauge line back to the point of bevel; the bevel shall be three-fourths of an inch wide on the horizontal and the intersection of the beveled line with the back of the head of the rail shall be at a point five-sixteenths of an inch below the top horizontal base line; the total width of the head of the rail shall be two and three-fourths inches and the total width of rail five and one-fourth inches on the horizontal; the top surface of the tread of the rail shall be at an angle with the top horizontal base line one degree and 30 minutes, and the intersection of the two lines shall be at a point on the head of the rail one and three-eighths inches from the gauge line. The depth of the groove shall be one and one-fourth inches and the guard shall be one-fourth of an inch thick, and the base of the rail shall be not less than one-half of an inch thick, and the base of the rail shall not be less than six inches wide. The height of the rail shall be nine inches measured from the top horizontal base line to the bottom of the base of the rail. The weight of the rail shall be not less than 129 pounds per linear yard.
In all cases where any public way, bridge, viaduct or other public place of the city is improved or shall hereafter be improved with granite, asphalt, macadam, brick, cedar block, creosoted block or other artificial pavement of a permanent character, any person owning, operating, controlling or leasing any street railroad track thereon, the rails in use upon which said street railroad track are of any pattern other than that known as the grooved rail pattern and referred to in this section, shall, within 30 days after notice from the commissioner of transportation, remove such rails and replace them with grooved rails of the pattern referred to herein. It shall be the duty of the commissioner of transportation to give such notice to any person at such time before the completion of the work under the contract for such improvement as in the discretion of such commissioner may seem best.
The mode of laying said rails so as to carry out the provisions of this section and the form of the rail so laid shall be under the supervision and subject to the approval of the commissioner of transportation. Provided, however, that nothing herein contained shall be construed as superseding or repealing any of the provisions contained in the respective contract ordinances under which persons operating such street railroads in the city are or may hereafter be operating such street railroads.
(Prior code § 188-16; Amend Coun. J. 11-8-12, p. 38872, § 173)
