Subdivision 5. International Energy Conservation Code

Section C402.2.1.1. is amended to read as follows: Low sloped roofs, with a slope less than 2 units vertical in 12 horizontal, directly above cooled conditioned spaces in Climate Zones 1, 2, 3 and 4 shall comply with one or more options in Table C402.2.1.1.

Table C402.3 is amended to read as follows: SHGC is Climate Zone 4 is changed from .40 to .35.

Section C405.2.1 Occupant sensor controls shall be installed in all classrooms, conference/meeting rooms, employee lunch and break rooms, private offices, restrooms, storage rooms, janitorial closets, enclosed stairways, and other spaces 300 square feet (28m2) or less enclosed by floor-to-ceiling height partitions. These automatically turn off lights within 30 minutes of all occupants leaving the space, and shall turn the lighting on to not more than 50 percent power.

Section C405.2.4 7. Lighting for parking areas shall have automatic controls so that after 15 minutes of non-activity, lighting power density can be reduced by 30 percent.

Section C405.10. Provide adequate on-site access for solar energy systems and provide interconnection pathways to building distribution. Documentation must be provided through construction documents and the main electrical service panel.

Section C406.5. Total minimum ratings of on-site renewable energy systems shall comply with one of the following: 1. Provide not less than 1.75 Btu (1850 W), or not less than 0.50 watts per square foot (5.4 W/m2) or conditioned floor area. 2. Provide not less than 5 percent of the energy used within the building for building mechanical and service water heating equipment and lighting regulated in this chapter.

Section C406.5 is added to read as follows: A minimum of 40 percent of heating and cooling load as calculated in section C403.2.2 must be provided by a district energy system.

Section C406.9. Hotels, motels, hospitals, restaurants, buildings with residential occupancies, buildings with laundry facilities or other high process service water heating needs or buildings showing a service hot water load of 10 percent or more of total building energy shall provide at least forty percent (40%) of hot water through instantaneous or tankless fuel-fired water heating systems, waste heat recovery from equipment or Combined Heat and Power (CHP), solar water heating systems.