When used in this act:

(a) “Acquire” means the acquisition of property or interests in property by purchase, gift, condemnation or other lawful means and may include the acquisition of existing property and improvements already owned and previously financed by the county;

(b) “benefit district” means an area deemed by the governing body to be benefited by an improvement and subject to special assessment for all or a portion of the cost of the improvement;

(c) “consultant” means engineers, architects, planners, attorneys and other persons deemed competent to advise and assist the governing body in the planning, making and financing of improvements;

(d) “cost” means all costs necessarily incurred for the preparation of preliminary reports, the preparation of plans and specifications, the preparation and publication of notices of hearings, resolutions and other proceedings, necessary fees and expenses of consultants and interest accrued on borrowed money during the period of construction; and the cost of issuing bonds, including amounts necessary to fund reserves, together with the cost of land, materials, labor and other lawful expenses incurred in planning and doing any improvement which may include a charge of not to exceed 5% of the total cost of an improvement or the cost of work done by the county to reimburse the county for the services rendered by the county in the administration and supervision of such improvement by its general officers. Where property and improvements already owned by the county and previously financed by the issuance of revenue bonds is acquired the cost shall include not to exceed the principal amount of such outstanding revenue bonds plus the amount of matured interest, interest maturing within 90 days, and the amount of any call premium or purchase premium required;

(e) “county” means Sedgwick county, Kansas;

(f) “governing body” means the board of county commissioners;

(g) “improve” means to construct, reconstruct, maintain, restore, replace, renew, repair, install, equip, extend or to perform any work which will provide a new facility or enhance, extend or restore the value or utility of an existing facility;

(h) “improvement” means any type of improvement made under authority of this act and includes reimprovement of a prior improvement. Such term shall not include residential wastewater treatment projects, projects located within a residential subdivision, or projects that would serve only residential areas or that would extend services only to residential areas;

(i) “newspaper” means any one of the official designated newspapers of the county;

(j) “storm water and sanitary sewer systems” means any trunk lines, outfall or intercepting sewers, manholes, pumps, pumping stations, lift stations, disposal plants, and any appurtenances and apparatus necessary for the collection, storage, treatment and disposal of storm water or sanitary sewage and wastewater;

(k) “street” means street, highway, road, alley, avenue, boulevard or other public way or any part thereof.