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Maintenance Program Environmental Assessment Maintenance EA Draft TXDOT MAINTENANCE PROGRAM ENVIRONMENTAL ASSESSMENT TABLE OF CONTENTS 1.0 INTRODUCTION ............................................................................................................................. 1 2.0 NEED AND PURPOSE .................................................................................................................... 2 2.1 Need for the Maintenance Program ...............................................................................2 2.2 Purpose of the Maintenance Program ............................................................................4 2.3 Objectives of the Maintenance Program ........................................................................5 2.3.1 Maintain and Improve Safety..........................................................................5 2.3.2 Maintain Efficiency and Traffic Flow ..........................................................15 2.3.3 Maintain Aesthetic Appeal ...........................................................................16 2.3.4 Provide Access ..............................................................................................19 2.3.5 Protect Environmental Resources .................................................................19 2.3.6 Improve the Value of TxDOT Infrastructure ................................................20 2.3.7 Prolong the Functional Lifespan of TxDOT Infrastructure ..........................20 2.4 Bridge Maintenance Program ......................................................................................21 2.4.1 Deck Sweeping .............................................................................................22 2.4.2 Joint and Bearing Cleaning ...........................................................................22 2.4.3 Paint Removal ...............................................................................................22 2.4.4 Paint Application ..........................................................................................22 2.4.5 Debris Removal and Channel Clearing .........................................................22 2.4.6 Power Washing and Sand Blasting ...............................................................22 2.4.7 Channel Stabilization ....................................................................................22 2.4.8 Pest Control ...................................................................................................23 2.4.9 Structural and Other Repairs .........................................................................23 2.5 Customer Service Maintenance Program .....................................................................23 2.5.1 Maintaining Travel Information Centers, Rest Areas, and Roadside Parks ..............................................................................................................24 2.5.2 Maintaining Picnic Areas ..............................................................................25 2.5.3 Maintaining Vehicle Pull Outs and Parking Areas .......................................26 2.5.4 Maintaining Access to Historical Markers and Sites ....................................26 2.5.5 Maintaining Restrooms at Ferry Landings ...................................................26 2.5.6 Maintenance of Entrances to TxDOT ROW .................................................27 2.5.7 Traffic Assistance .........................................................................................27 2.5.7.1 Special Events ............................................................................................27 2.5.7.2 Hazardous Material Spills ..........................................................................27 2.5.7.3 Accidents and Incidents .............................................................................28 2.5.7.4 Flood Water Removal ................................................................................28 2.5.7.5 Natural Disasters ........................................................................................28 2.5.7.6 Snow and Ice ..............................................................................................28 2.5.8 Adopt-a-Highway Program ...........................................................................29 2.6 Debris and Spills Maintenance Program ......................................................................29 2.6.1 Patrolling for Debris .....................................................................................30 2.6.2 Spot Litter Pick-Up and Disposal .................................................................30 April 2011 i TXDOT MAINTENANCE PROGRAM ENVIRONMENTAL ASSESSMENT 2.6.3 Removal and Disposal of Litter ....................................................................31 2.6.4 Hand Sweeping .............................................................................................32 2.6.5 Street Sweeping ............................................................................................32 2.6.6 Sweeping Ice Rock .......................................................................................33 2.6.7 Illegal Dumpsite Removal and Disposal .......................................................33 2.6.8 Removal of Illegal Signs on ROW ...............................................................33 2.6.9 Removal of Encroachments ..........................................................................34 2.6.10 Hazardous Material Cleanup for Spills, Abandoned Materials, and Leaking Storage Tanks .................................................................................34 2.6.10.1 Hazardous Material Spills ..........................................................................34 2.6.10.2 Abandoned Materials .................................................................................35 2.6.10.3 Storage Tanks.............................................................................................36 2.7 Drainage Maintenance Program ..................................................................................39 2.7.1 Maintain Ditches ...........................................................................................40 2.7.2 Reshape Ditches ............................................................................................42 2.7.3 Repair or Stabilize Slopes .............................................................................42 2.7.4 Maintain Culverts and Storm Drains ............................................................43 2.7.5 Repair and Install Riprap ..............................................................................45 2.7.6 Maintain Storm Water Pump Stations ..........................................................45 2.7.7 Removal of Beaver Dams .............................................................................45 2.7.8 Maintain or Implement Storm Water Pollution Protection Plan (SW3P) .....46 2.8 Ferry Maintenance Program ........................................................................................47 2.8.1 Dredging .......................................................................................................48 2.8.2 Oil and Fuel Storage and Transfer ................................................................49 2.8.3 Re-fueling .....................................................................................................50 2.8.4 Other Chemical Storage ................................................................................50 2.8.5 Grey Water Disposal .....................................................................................51 2.8.6 Public Area Maintenance ..............................................................................51 2.8.7 Deck Sweeping .............................................................................................51 2.8.8 Minor Routine Ship Maintenance .................................................................52 2.8.9 Maintaining Facility Equipment ...................................................................52 2.8.10 Contracted Maintenance ...............................................................................52 2.9 Maintenance Enhancement Program ...........................................................................53 2.9.1 Adding a Shoulder ........................................................................................54 2.9.2 Adding Handicap Ramps ..............................................................................54 2.9.3 Adding and Repairing Sidewalks after Construction ....................................55 2.9.4 Adding Turnouts ...........................................................................................55 2.9.5 Inspecting Driveways ....................................................................................55 2.9.6 Inspecting Utilities ........................................................................................56 2.9.7 Maintaining Landscapes ...............................................................................56 2.9.8 Maintaining Boat Ramps ..............................................................................57 2.10 Pavement Maintenance Program .................................................................................57 2.10.1 Maintain Base and Sub-grade of Travel Lanes and Shoulders .....................58 ii April 2011 ENVIRONMENTAL ASSESSMENT TXDOT MAINTENANCE PROGRAM 2.10.2 Maintain Flexible (Asphaltic) Surfaces of Travel Lanes and Shoulders ......59 2.10.3 Maintain Rigid
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