The Department of Public Works shall be headed by a director who shall be qualified by training and experience.
The Department of Public Works shall perform all appropriate functions associated with:
A. 
Maintaining, constructing and reconstructing or supervising the maintenance, construction and reconstruction of streets, roads and drainage facilities.
B. 
Maintaining or supervising the maintenance of public buildings and grounds, including, without limitation, parks, gardens and shade trees.
C. 
Maintaining or supervising the maintenance of motorized and other equipment.
D. 
Installing, repairing and maintaining or supervising the installation, repair or maintenance of traffic signals, signs and electrical equipment.
E. 
Supervising animal disposal activities.
F. 
Maintaining or supervising the maintenance of the sanitary sewer system.
The Department of Public Works shall be organized pursuant to plan approved as provided in § 4-8 of this chapter.