An inspection of the exterior of all holders shall be made at least once a month to ascertain the condition of paint, shell, framing and holder top. Guide rollers on water seal holders shall be inspected for lubricating, alignment, and clearance at least once a month. During winter months a crew shall be available to insure prompt removal of any unsafe accumulation of snow and ice on the top and other parts of the holder.
N.Y. Comp. Codes R. & Regs. Tit. 16 § 256.17