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Elements of Effective Sign Maintenance. Rick Butner Pierce County Public Works & Utilities. Pierce County Sign Inventory. (~1,500 centerline miles of roads) 25,825 traffic signs 2,938 STOP & YIELD signs 6,745 warning (W-series) signs 3,160 Speed Limit signs
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Elements of Effective Sign Maintenance Rick Butner Pierce County Public Works & Utilities
Pierce County Sign Inventory (~1,500 centerline miles of roads) • 25,825 traffic signs • 2,938 STOP & YIELD signs • 6,745 warning (W-series) signs • 3,160 Speed Limit signs • 8,512 street name signs (33%)
Pierce County sign & markings staff • 1 - Traffic Operations Supervisor • 2 – Office Support Staff • 1 - Sign & Markings Supervisor • 1 - Seasonal Lead Sign Technician • 12 - Traffic Sign Technicians • 8 - Seasonal Temporary Employees
Sign Inventoryhow important is it? • A sign inventory is an important element of your sign inspection program. • A sign inventory can be anything from a card file to an inventory software program.
Pierce County Sign Inventory • Home Grown Software Program – “Rubble” • System Divided into Area’s and Sub Areas • Sign Work is Documented by Function Code • Ability To Track Work and Signs • Track work completed by function • Track signs by age and location • Document time for reports
Serial Numberstracking sign age 99100237
Pierce Countyregular sign inspection • Quarterly Full Sign Inspection • Includes stop and yield inspection • Monthly Stop and Yield Inspection • 8 additional monthly inspections • Our data shows that regular sign inspection reduces sign call outs
Inspection Intervalsyour geographical area ? • Vandalism • Gun Shot • Graffiti • Stolen • Natural Causes • Vegetation • Dirty • Environment
Vegetation Controlthe right tools for the job Loppers & Shears Pole Pruner
Load Management Load Storage Load Cover
Sign Retroreflectivity MUTCD requirements • Final Rule – published Dec 21, 2007 • Effective January 22, 2008 • 4 years to establish/implement assessment management method • 7 years to replace ground-mount signs • 10 years to replace overhead signs
Sign Retroreflectivity – MUTCD“shall” statement (standard): “Public agencies or officials having jurisdiction shall use an assessment or management method that is designed to maintain traffic sign retroreflectivity at or above the minimum levels in Table 2A-3.”
Sign Retroreflectivity – MUTCDguidance: “One or more of the following assessment or management methods should be used to maintain traffic sign retroreflectivity.”
Assessment/Management Methodsa required element • Visual Nighttime Inspection • Measured Retroreflectivity • Expected Life • Blanket Replacement • Control Signs • Other Supported Methods
Which Method to Use?Control signs /Measured retroreflectivity, Works for Us
Retroreflectivity Programtracking the results Type III Stop Sign – installed 1995
Asset Managementgetting the most of your dollars Cost to Replace = $ 165,000.
Uniformity & Consistency • Standards • Inventory • Maintenance Trucks • Inspection • After Hours Response