SEC. 43-54. EXAMINATION AND APPROVAL OF MATERIALS PRIOR TO USE.

   The director may inspect any and all materials before pouring the concrete. The contractor shall furnish the required samples when requested for the making of tests and other required examinations prior to the use of the materials. (Ord. Nos. 8590; 22026)

SEC. 43-55. ALL WORK TO COMPLY WITH ESTABLISHED LINES AND GRADES.

   The work authorized by construction permits issued pursuant to this article must be aligned with the stakes and set to the grade as determined by the director. (Ord. Nos. 8590; 22026)

SEC. 43-56. PROTECTION OF GRADE AND LINE STAKES.

   Stakes set by the director must be protected by the contractor. Grade and line stakes must be set by the director upon request. (Ord. Nos. 8590; 22026)

SEC. 43-57. LIGHTS AND SAFEGUARDS.

   The contractor shall provide necessary red lanterns and flares and safeguards so placed that pedestrians will not be injured and vehicular traffic shall not be unnecessarily impeded and be protected from injury. Provisions shall be made for the passage of water in the street gutter. (Ord. 8590)

SEC. 43-58. REMOVAL OF DEBRIS, ETC., UPON COMPLETION OF WORK.

   Immediately upon completion of the work the contractor shall remove from the area all unused material, dirt, debris and loose concrete. He shall see that the entire area is broom clean and usable. (Ord. 8590)

SEC. 43-59. CONSTRUCTION OF RETAINING WALLS ON PUBLIC PROPERTY.

   No buttresses, steps, projections, retaining walls or fences shall be constructed on any public property unless such construction is approved by the city council. (Ord. 8590)