Boulderâs notable tree tour includes a Cottonwood on the university campus that was planted in 1876, this tree is 136 years old, and thanks to proper pruning techniques, and some tender loving care from a qualified arborist, you can start giving thanks to trees and it will continue to thrive for many more years.
In order to become licensed as a Contractor (Class A, Class B, or Class C), applicants must complete eight hours of pre-license education. For Class A and Class B applicants, the pre-license education must be completed by a member of responsible management or the designated employee. For Class C applicants, a member of responsible management must complete the pre-license education.
CLASS B (minimum age 18): A Class B license is issued to those persons 18 years of age or older who have demonstrated their qualifications to operate any single vehicle with a gross vehicle weight rating of 26,001 pounds or more or any such vehicle towing a vehicle having a gross vehicle weight rating of not more than 10,000 pounds.