Prior to beginning operations on this project, the PUBLIC WORKS DIRECTOR, or AUTHORIZED REPRESENTATIVE, shall make a determination as to the type of reduction method that shall be used for vegetative debris at each DMS. The following five (5) methods may be selected for the reduction of vegetative debris: 1) Chipping/Grinding 2) Below-Grade Air-Curtain Incineration 3) Above-Grade Air-Curtain Incineration 4) Portable Air-Curtain Incineration 5) Air Curtain Incineration The CONTRACTOR shall process (grind or burn, if applicable) all stumps and large logs hauled to the DMS. The price for processing the stumps and logs shall be included in the overall price for processing vegetative debris. The CONTRACTOR shall ensure all debris is processed and hauled from the DMS before moving to other sites, unless otherwise approved by the COUNTY. The CONTRACTOR shall provide sufficient site supervision of all assigned activities. The CONTRACTOR shall provide at least one (1) supervisor at every DMS.