Bonfires and Recreational Fires
2006 International Fire Code
2007 Minnesota State Fire Code

307.4.2 Recreational fires.  Recreational fires shall not be conducted within 25 feet of a structure or combustible material.  Conditions which could cause a fire to spread within 25 feet of a structure shall be eliminated prior to ignition.

307.5 Attendance.  Open burning, bonfires or recreational fires shall be constantly attended until the fire is extinguished.  A minimum of one portable fire extinguisher complying with Section 906 with a minimum 4-A rating or other approved on-site fire-extinguishing equipment, such as dirt, sand, water barrel, garden hose or water truck, shall be available for immediate utilization.