Specifications include, but are not limited to: a. Tree Inventory The contractor shall conduct a comprehensive inventory of all street trees on public right of way and managed areas of city owned properties. This is the first inventory of Effingham’s trees with no existing data present. The following data shall be collected for each tree: • GPS coordinates • Street address • Relative location 5 | P a g e • Species (common and Latin name) • Size (DBH) • Condition rating including defects • Risk assessment • Arborist maintenance recommendation • General comments or notes The GPS tree data is required to be in ESRI’s GIS data format, ie.: Shapefile or Geodatabase (.gdb) format and must be able to be downloaded in an Excel file. The data will conform to the city’s GIS schema. The city will allow additional attributes to be collected beyond what is required within the schema. No proprietary software or tree inventory specific software will be accepted. The data will be collected and housed within the city’s GIS environment. All data collectors must be ISA Certified Arborists. No interns, volunteers, or apprentices may be involved with the data collection on this project. b. Urban Forest Management Plan (UFMP) An Urban Forestry Management Plan will be provided and include the following components based on the information gathered from the inventory: 1. A description of the City’s urban forest canopy cover and composition. 2. Recommended and prioritized urban forest management action items, based on a tree inventory. (i.e., prioritized planting locations, including removals, replacements, new plantings and a cyclical pruning schedule and map, etc.) 3. Recommend strategies for increasing or improving tree health and canopy in disadvantaged areas.
