Specifications include, but are not limited to: Thinning:. − No trees greater than 8 inches DBH shall be cut. -Trees shall be thinned so that healthy trees remain and the outside portions of their crowns are separated by 15 feet or more. Promoting a clumpy tree distribution is encouraged in order to maintain stand integrity, individual tree health, wildlife habitat, aesthetics, etc. For example, clumps of saplings can be retained at spacing closer than 15 feet where they do not serve as latter fuels to the overstory and where they can be spaced a minimum of 15 feet from other retained vegetation. -Prioritized order of favored leave trees of other species: Douglas Firs then Ponderosa Pines. Pruning: -All residual trees shall be pruned 10 feet, but never more than 50% of their live crown, whichever is less in a way that is aesthetically pleasing. It is not necessary to prune trees that are 5 feet in height or less. -Cuts should be at the branch collar - not too close (flush), and not too far away (stub) Particular attention needs to be expressed for the pruning on city property. This needs to be looked at and bid, at a quality over production standpoint, and can be bid that way as well. Disposal: -Chipping or masticating will be required throughout the unit. Any Material cut will need to be disposed of onsite. The Chips can be scattered throughout unit with no piles and no taller than 18 inches. -No Burning is allowed...
