If, in the opinion of the Medical Officer of Health, any noise arising from the carrying out of any construction work is likely to cause impairment to the hearing of workmen, the employer shall take all such steps as may be practicable to prevent the workmen from being exposed to the noise.

If, in the opinion of the Inspector, it is not practicable to prevent exposure to the noise by reducing the noise level, or by isolating or insulating the work, the employer shall cause every workman exposed to the noise to be provided with a personal ear protection device of a type approved by the Medical Officer of Health.”