(1) Development shall seek to promote economic stability and employment opportunities by fostering diversified land uses in addition to continuing agricultural practices. Urban and rural design policies should be established to provide guidelines for ensuring that the nature and pattern of public and private development is in keeping with the existing sense of community and the rural character and quality of life of the Hamakua coast;

(2) While the authority's development responsibilities apply only to the area within the district, the authority may engage in any studies or coordinative activities permitted in this chapter which affect areas lying outside the district, where the authority, in its discretion, decides that those activities are necessary to implement the intent of this chapter. The studies or coordinative activities may address facility systems, resident and industrial relocation, and other activities with the county and appropriate state agencies. The authority may engage in construction activities outside of the district; provided that such construction relates to infrastructure development or residential or business relocation activities; provided further, notwithstanding section 206E-7, that such construction shall comply with the general plan, development plan, ordinances, and rules of the county in which the district is located;

(3) No plan or implementation strategy shall prevent continued activity or redevelopment of existing agricultural and other uses which meet reasonable performance standards;

(4) Major scenic, cultural, environmental, and open space resources such as the Waipio Valley rim shall be preserved through appropriate regulation and design review;

(5) Historic sites and culturally significant facilities, settings, or locations shall be preserved;

(6) Land use and redevelopment activities within the district shall be coordinated with and, to the extent possible, complement existing county and state policies, plans, and programs affecting the district; and