In addition to meeting the purposes set forth in section 8-101 of this article, the standards shall be designed to satisfy the following specific criteria:

1. 1. The standards, so far as may be practicable, shall be formulated in terms of performance objectives.
2. 2. The standards, so far as may be practicable, shall further the improvement of energy conservation lighting practices, methods, equipment, materials and techniques.
3. 3. The standards shall encourage economically reasonable energy conserving lighting techniques to be used in the lighting of all existing buildings.
4. 4. The standards shall provide reasonable uniform standards and requirements for lighting and lighting materials for the improvement in efficiency of lighting systems.