Specifications include, but are not limited to: PRUNING OF TREES – RESOURCES AND STANDARDS Pruning of trees shall consist of the following classes of pruning as developed and referenced by the following resources: - Tree Care Industry Association and follow the current American National Standard for Pruning of ANSI A300 Series of Standards for Tree Care Maintenance Operations. Information may be found at http://tcia.org/ Tree Care Industry Association and follow the current American National Standard for Arboricultural Operations” – Safety Requirements: ANSI Z133.1 – Safety Standard. Information may be found at http://tcia.org/ - “Pruning Trees near Electric Utility Lines”, available from Shigo and Trees Associates, LLC. Information may be found at www.shigoandtrees.com A. CLASS 2 PRUNING Standard pruning shall consist of the removal of dead, dying, diseased, decaying, interfering, objectionable, and weak branches, as well as selective thinning to lessen wind resistance. The removal of such described branches is to include those on the main trunk, as well as those inside the leaf area. B. CLASS 3 PRUNING Hazard pruning shall consist of the removal of dead, diseased, decayed, and obviously weak branches. C. CLASS 4 PRUNING Crown removal reduction pruning shall consist of the reduction of tops, sides, and individual limbs. It involves the removal of a parent limb or dominant leader at the point of attachment of a lateral branch. With all classes of pruning listed above, all cuts shall be made as close to the trunk or parent limb, without cutting into the branch collar or leaving a protruding stub. Topping of trees is prohibited. The Vendor shall be required to remove all pruned material, saw dust, debris and rake the work area clean. SPECIFICATION – SECTION B - COMPLETE TREE REMOVAL SERVICE TREE REMOVAL - COMPLETE The complete removal of trees shall include the removal of (grinding of the) stumps and all exposed roots to a depth of six (6”) inches below the adjacent ground surface. The Vendor shall be required to remove all tree components, ground material wood chips, debris and rake the work area clean. Whenever an agency has requested stump removal as part of Section B, the Vendor shall not charge separately for stump removal. SPECIFICATION – SECTION C – STUMP GRINDING SERVICE STUMP GRINDING Work to be performed under Section C includes the removal of stumps and all exposed roots from trees that were not removed as work performed under Section B and/or were pre-existing. Stumps shall be ground to a level of six (6”) inches below the adjacent existing ground surface. The Vendor shall be required to remove all ground material wood chips, debris and rake the work area clean.