If the lighting system is not installed in the building interior, then the company is disqualified for the Commercial Building Tax Deduction.
If it is, a few more questions about the functionality and the location of the lighting must be answered by yes, in order to be exempted from Standard 90.1. Otherwise, follow the applicable Standard 90.1-2001 and prescriptive interior lighting provisions 9.2 + 9.3. If the code application is required, follow all other applicable state and local code requirements.
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The very first question being asked is if the building where the interior lighting installed is larger than 5,000 sq.ft. If the building is smaller, then the building is exempted from mandatory automatic shut-off requirements, and the company can proceed to Section 9.2.1.2/Space Control directly.
If the building is larger than 5,000 sq.ft, the lighting must be utilized for non-stop operation so the lighting will be exempted from automatic switch-off requirements and the company can then proceed to Section 9.2.1.2/Space Control. Otherwise, all interior lighting is required to have automatic switch-off control. Choose one of the three switch-off control methods (based on Time Program, Occupancy Sensor or Unoccupied Signal) before proceed to the final step, which is Section 9.2.1.2/Space Control.
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Section 9.2.1.3/Mandatory Lighting Control Provisions: Additional Control
Each type of lighting must have an individual control unit. If the building is a hotel or motel, a master control unit must be installed at the main entry of each hotel guest room to control all fixtures and switched outlets.
Task lighting control must be integrated with light fixture and mounted on wall where it is conveniently and visibly located.
If the above requirements are all met, then proceed to Section 9.2.4/Installed interior Lighting Power and Section 9.2.5/Luminaire Watage.
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