University City MO - Street Light Audit Report

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Street Light Audit Table of Contents STREET LIGHT AUDIT .............................................................................................................. 6 1.INTRODUCTION ............................................................................................................ 6 2.PROCESS OF DATA COLLECTION .............................................................................. 7 3.DATA RESULTS ............................................................................................................ 9 3.1.Total Inventory Overview .................................................................................................... 9 3.2.Inventory According to Current Policy .............................................................................. 10 3.3.Ameren Inventory ............................................................................................................. 11 Street Light Types .................................................................................................................... 11 Bulb Types ................................................................................................................................ 13 Inventory Results by Fixture and Bulb Type ............................................................................. 14 3.4.University City owned street lighting ................................................................................. 14 4.ENERGY/COST SAVING OPTIONS ............................................................................. 16 4.1.Retrofit bulbs ..................................................................................................................... 22 4.2.Decommission (300 ft) ...................................................................................................... 24 4.3.Decommission lights (300/200 ft) ..................................................................................... 26 4.4.Decommission unwarranted lights.................................................................................... 28 4.5. ....................................................................................... 30 4.6.Transfer cost of lights located adjacent to Washington universit ..................... 31 4.7.Acquisition of lights from Ameren ..................................................................................... 31 .............................................................. 32 Contracting maintenance ......................................................................................................... 33 6M Rate Comparison Costs ..................................................................................................... 33 Acquisition of Post Top style lights Only .................................................................................. 35 5.STREET LIGHT POLICY .............................................................................................. 36 5.1.University City Street Light Policy ..................................................................................... 36 5.2.Comparison Policies, Mo-DOT, RP-8-00.......................................................................... 37 Comparison Policies ................................................................................................................. 37 Mo-DOT Engineering Policy Guide (MoDOT, 2011) ................................................................ 40 5.3.Street Light Policy Formative Factors ............................................................................... 43 Roadway Classification ................................................................................................................ 43 Pedestrian Traffic ..................................................................................................................... 44 Street Width .............................................................................................................................. 44 Light Loss ................................................................................................................................. 44 Scotopic, Mesopic, and Photopic Ranges ................................................................................ 45 2 Page