Section 6
SEC. 6. So much of the construction herein provided for as may be within the limits of the city of Manila as now or hereafter constituted, and upon any public road, street, highway, or place within the city limits, shall be subject to the following terms, conditions, and limitations as to construction, maintenance, and operation: The grantee shall in all cases lay and maintain his tracks so as to conform to the grades of the street, thoroughfares, bridges, and public places along or across which said trucks may be constructed, and whenever such grades shall hereafter be established or altered by the municipal authorities of the city of Manila the grantee shall immediately relay and maintain said tracks to such ; established grades at his own expense: Provided, That if any grade at which any such track is now laid is altered by the said municipal authorities within seven years from the date hereof, the city of Manila shall not only furnish the material to enable the grantee to conform the bed of his tracks to the altered grade but shall also furnish the material necessary to reconstruct the cement substructure of the track of the. grantee at the new grade: And provided further, That whenever the grade at which any such track is laid is altered by the said municipal authorities after more than seven years from the date hereof, the city of Manila shall furnish the materials to enable the grantee to conform the bed of his tracks to the altered grade, less the cement substructure of the track. The tracks, wires, and other constructions of the grantee shall be supported- by and across all bridges in the manner directed by the municipal authorities. The poles erected by the grantee for the operation of said electric railroad shall he of such height and shall be so located and' painted as the municipal authorities shall direct. The poles shall not be of such crooked or ungainly appearance as to disfigure the streets. The trolley wires of the grantee may be suspended by span wires or bracket, shall have double insulation, and shall be strung at such heights above the ground as the municipal authorities shall direct. Feeder wires shall be of the insulated type known as "triple braid weatherproof" and no overhead wire or conductor used as a trolley wire shall carry a voltage greater than five hundred and fifty volts, direct current, and the system used by the grantee in the generation, conduction, and distribution of electric current for the purpose of furnishing electric light, heat, and power shall be that known as the alternating-current system : Provided, That where it is desired to furnish heat, power, or are lighting, direct current may be used: And provided further, That in the carrying of currents, stringing of wires, insulation, and in all other respects the grantee shall comply with the rules and regulations adopted, or hereafter to be adopted, by the National Board of Underwriters of the United States for the safeguarding of the conduct and use of electric currents in cities. Every motor car run by the grantee shall be equipped with a fender of a type to be approved by the municipal authorities. The maximum rate of speed at which the grantee may operate his cars shall be fixed by the municipal authorities wherever the same shall be operated over or across a public street, highway, or place. Members of the police and lire departments of the city of Manila wearing official badges shall be entitled to ride free upon the cars of the grantee, subject to such reasonable and proper restrictions as may be imposed. The grantee shall hold the city of Manila harmless from all claims, accounts, demands, or actions arising out of accidents or injuries, whether to property or persons, caused by the construction or operation of the road. All reasonable or proper or necessary changes on the lines or routes of the grantee may be made by the grantee with the approval of the municipal authorities and the consent of the Governor-General. The city of Manila shall have the privilege, without compensation, of using the poles of the grantee for the purpose of installing, ' maintaining, and operating a fire and police telegraph system.