The Director of Permitting, Inspections, and Enforcement hereinafter referred to as "the Director," and shall be interpreted to include any designee of the Director. The Director shall keep official records of applications received, permits and certificates issued, fees collected and reports of inspection hours. Construction documents shall be retained in accordance with the retention policies of the Department of Permitting, Inspections, and Enforcement. The Director shall have the authority as necessary in the interest of public health, safety and general welfare, to adopt and promulgate rules and regulations, to interpret and implement the provisions of this Subtitle to secure the intent thereof, and to designate requirements applicable because of local climate or other conditions. Such rules shall not have the effect of waiving the provisions of COMAR that are specifically provided for in this Subtitle, nor shall such rules violate engineering practices involving public safety.