Inadequate work zone safety, no traffic devices, barriers apparent in photo. Workers should be using class two safety vests. It appears as if only one worker using eye and hearing protection, neither worker using a respirator. Dust and noise levels can be reduced through the use of appropriate engineering controls e.g. water spray, vacuum devices, noise reducing jack hammers and compressors.
1926.52(b) When employees are subjected to sound levels exceeding those listed in Table D-2 of this section, feasible administrative or engineering controls shall be utilized. If such controls fail to reduce sound levels within the levels of the table, personal protective equipment as required in Subpart E, shall be provided and used to reduce sound levels within the levels of the table.