“Construction” includes:
1. Preliminary planning to determine the feasibility of a project;
2. Engineering, architectural, legal, environmental, fiscal or economic investigations or studies, surveys, designs, plans, working drawings, specifications or procedures that comply with the Safe Drinking Water Act, and regulations adopted pursuant thereto; and
3. Other necessary actions related to a project including the erection, building, acquisition, alteration, remodeling, improvement or extension of a project, or the inspection or supervision of any item set forth in this section.