Specifications include, but are not limited to: Services for the following categories: Tree Removal and Stump Grinding Contractor shall remove the tree, brush, debris, wood, stump, root flare, and all visible surface roots to a depth of twenty inches, and back-filling with approved soil, seeding with approved grass seed and covering disturbed area with straw. Stumps must be ground within two (2) weeks of tree being removed and debris from stumps must be removed and backfilled within two (2) days. Payment for tree removal services will be per tree per Diameter at Breast Height (DBH) measured in inches and stump grinding will be per the diameter, in inches, of each stump. Both services subject to verification of work performed. Tree Removal Only Contractor shall remove the tree, brush, debris, and wood. Stump Grinding Only Contractor shall remove the stump, root flare, surface roots, and all associated debris to a depth of twenty inches, and back-filling with approved soil, seeding and straw. Debris from stumps must be removed and backfilled within 2 days. Stump measurements will be based on the diameter in inches of the stump measured just above the trunk flare. Payment for stump grinding services will be per the diameter, in inches, of each stump subject to verification of work performed.