WEST COAST ARBORISTS, INC. (3) - 2015

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The Contractor shall be responsible for locating all underground utility lines to Insure the safety of his/her work crew and to protect, in place, existing utility equipment before commencing any excavation. Contractor shall contact the Projects Manager or designee and Underground Service Alert (1-800-227-2600) 48 hours before commencing any excavation, to locate underground service lines. III. TECHNICAL, MAINTENANCE SPECIFICATIONS A. TF(EE INVENTORY (1) Upon contract award, the successful Proposer shall be required to provide a complete update of the City's tree Inventory at no additional cost to the City and submit the completed Inventory to the City within six (6) months of the contract award. The tree inventory data shall conform to the existing tree inventory database and Include but not be limited to the following data fields: (2) Tree Location A Global Positioning System (GPS) tree inventory shall be created with a new database using the City's standardized addressing system for all City owned or maintained easement. The Contm P.Mr shall hp rani ilrarl +n 2. The inventory shall be capable of showing the location of every existing tree site and vacancies on the City's existing GIS base maps (streets, parcels, addresses, ROW and hardscape, etc,). 3. The tree inventory shall be conducted by visiting each tree site or vacant planting site and plot the position. The data shall be compatible with the latest version of ArcView. The minimum accuracy shall be not more than one (1) sub -meter. 4. The systems should be able to export a shapefile that includes all tree attributes. Latitude/Longitude, Species, Height, DBH, Age or Date Planted (if available), ID number (for linkage to maintenance records), etc. (3) Tree condition General condition of individual trees 2. Condition of surrounding hardscape (i.e. displaced or recent repairs or any lift over three quarters (3(4") IV. GENERAL MAINTENANCE REQUIREMENTS All maintenance functions shall be performed In accordance with the following specifications, The City shall have the right to determine schedule days and the extent and frequency of additional .as needed" services. Standards and frequencies may be modified from time to time as deemed necessary by the City for the proper maintenance of the listed trees. All operations will be conducted so as to provide maximum safety for the public and minimize disruption of the public use of City streets.