1. Solar energy device is roof mounted and does not exceed the exiting building height at the highest point |
2. The solar energy device system weight does not exceed four pounds per square feet (4 psf) |
3. The solar energy device is installed within 24” of the roof immediately below |
4. The maximum concentrated load imposed by a solar energy device support onto the roof structure is a maximum of 60 pounds (0.18kN); and, |
5. For wood construction, the maximum spacing for supports of the solar energy devices shall be 48” on center, and shall be anchored to solid roof rafters or to solid blocking with a minimum on one 5/16” diameter lag screw embedded a minimum of 2 ½” or as recommended by the manufacturer, whichever is more stringent. For other types of construction, the support shall be approved by the Building and Safety Department |