Section 11
SEC. 11. Before commencing with the construction of any section of said railroads, the grantee shall file with the Director of Public Works three copies of the plan and cross section thereof of the project and its construction, accompanied by three copies of the descriptive report. Upon receipt of the same, the Director of Public Works shall examine them without delay and remit them thereafter with his report to the Public Utility Commission, which shall submit them, with its recommendation, to the Secretary of Commerce and Communications, for his approval. Upon the approval of the plans, two of the three copies thereof and of the descriptive report shall be filed in the proper office of the Government and the other shall be delivered to the grantee. The maximum grade of the construction shall be two per centum and the minimum curve shall have a radius of two hundred meters.