D.C. Mun. Regs. tit. 24, r. 24-3202
Current through Register Vol. 71, No. 49, December 6, 2024
Acids or other corrosive substances may be used for cleaning windows only under the conditions set forth in this section.
A scaffold shall be used.
If the scaffold that is used is of the swinging type, it shall be suspended by a wire rope.
The use of a fiber rope of any kind is prohibited.
A highly dilute solution that is not more than five percent (5%) hydrochloric (muriaic) acid shall be used.
The cleaner shall wear rubber gloves and shall apply the solution with a brush.
All parts of the scaffolding and other equipment shall be liberally washed with water after each use to prevent corrosive reactions.
D.C. Mun. Regs. tit. 24, r. 24-3202