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CITY OF KENNEWICK – MUNICIPAL SERVICES DEPARTMENT Storm Drainage Priority Rating System Policy Purpose: To protect the citizens and property of the City of Kennewick by reducing the damage and hazards associated with stormwater run‐off. Policy: Limited budgets necessitate the need to establish a prioritization system for upgrades to existing and installation of new storm drainage systems and to effectively prioritize storm drainage problem areas in accordance with the City of Kennewick Stormwater Comprehensive Plan and within Federal and State guidelines. The priority for project completion will be calculated based on the criteria presented below. Priority is based on safety and health first, property damage second and then other criteria of importance. 1) This problem poses a direct risk to personal health and safety (i.e. pending within the travel way that could potentially cause loss of control of a vehicle): A) Yes 10 points B) No 0 points 2) Potential estimated property damage: A) $25,000 or more 10 points B) $10,000 to $25,000 8 points C) $2,000 to$ 10,000 5 points D) $500 to $2,000 3 points E) Less than $500 1 point 3) Storm intensity at which this problem will re‐occur: A) Less than a 5‐year return 5 points B) 5 year return 4 points C) 10 year return 4 points D) 20 year return 2 points E) 50 year return 1 point 4) Geographic/ Topographic Considerations (Does the onsite grading or surrounding area contribute to the potential for City liability): A) On‐site grading contributes 5 points B) Surrounding geography contributes 5 points 5) Maintenance considerations: A) Will reduce future maintenance 10 points B) Minimizes future maintenance 5 points 6) Miscellaneous considerations: A) Provides a multiple use facility 2 points B) Improves water quality 2 points C) Can be grouped with another project 1 points 7) Negatives: (choose only one) A) Requires right‐of‐way or easement acquisition ‐ 5 points B) Requires a maintenance intensive facility ‐ 10 points E. Russell Burtner Municipal Services Executive Director Revised: Sept. 2007