Standard Specifications

Water-Related Public Works Standard Plans and Specifications

Please contact the Water Division office at 707-257-9521 with any additional questions.

  1. Combined Water Standards-(PDF)
  2. W-01 - 0.75-in and 1-in Water Service-(PDF)
  3. W-02A - 1.5-in Water Service-(PDF)
  4. W-02B - 2-in Water Service-(PDF)
  5. W-03A - 3-in Water Service-(PDF)
  6. W-03B - 4-in Water Service-(PDF)
  7. W-03C - 6-in Water Service-(PDF)
  8. W-04A - 2-in Fire Service-(PDF)
  9. W-04B - 4-in and Larger Fire Services-(PDF)
  10. W-04C.1 - Metered Fire Service with Private Hydrants
  11. W-04C.2 - Metered Fire Service with Private Hydrants Notes
  12. W-05A - DCV for .75-in and 1-in Residential Services-(PDF)
  13. W-05B - DCV for 1.5-in and 2-in Residential Services-(PDF)
  14. W-05C - DCV (Exterior) for 3-in to 8-in Residential Services-(PDF)
  15. W-05D.1 - Interior DCV BFD Installation for 3" to 8" for Residential Services
  16. W-05D.2 - Interior DCV BFD Installation for 3" to 8" for Residential Services Notes
  17. W-06A - RP (Exterior) for .75-in to 2-in Commercial Services-(PDF)
  18. W-06B.1 - Interior Reduced Pressure BFD Installation for Commercial Services
  19. W-06B.2 - Interior Reduced Pressure BFD Installation for Commercial Services Notes
  20. W-06C.1 - Exterior Reduced Pressure BFD Installation for Commercial Services
  21. W-06C.2 - Exterior Reduced Pressure BFD Installation for Commercial Services Notes
  22. W-06D.1 - Interior Reduced Pressure BFD Installation for Commercial Services
  23. W-06D.2 - Interior Reduced Pressure BFD Installation for Commercial Services Notes
  24. W-07A - DCV (Exterior) for 2-in Fire Services-(PDF)
  25. W-07B.1 - Interior DCV BFD Installation for Fire Services
  26. W-07B.2 - Interior DCV BFD Installation for Fire Services Notes
  27. W-07C - DCV (Exterior) for 4-in to 8-in Fire Services-(PDF)
  28. W-07D - DCV (Interior) for 4-in to 8-in Fire Services-(PDF)
  29. W-08 - Fire Hydrant-(PDF)
  30. W-09 - Valves-(PDF)
  31. W-10A - 2-in Blow-Off Assembly-(PDF)
  32. W-10B - 2-in Blow Off (TOP)-(PDF)
  33. W-10C - Transmission Valve_Blowoff_Bypass-(PDF)
  34. W-10D - Water Sampling Station-(PDF)
  35. W-10E - Motorized Transmission Valve_Blowoff_Bypass-(PDF)
  36. W-11A - 1-in Air Release and Vacuum Valve-(PDF)
  37. W-11B - 2-in Air Release and Vacuum Valve-(PDF)
  38. W-12 - General Water Notes-(PDF)
  39. W-13A - Water Trench Detail-(PDF)
  40. W-13B - DOT Water Main Casing-(PDF)
  41. W-14A - Thurst Block and Wingwalls-(PDF)
  42. W-14B - Water Main Restraint Details-(PDF)
  43. W-15 - Water Main Offsets-(PDF)
  44. W-16A - Hot-Tap Detail-(PDF)
  45. W-16B - Tie-In-(PDF)
  46. W-17 - Abandonment of Existing Water Facilities-(PDF)
  47. W-18 - Water Facility Obstruction Separation Requirements-(PDF)
  48. W-19 - Future Water Main Extension Stub-(PDF)
  49. W-20A - Water Service Responsibility-(PDF)
  50. W-20B - Water Service Responsibility (Unmetered Service)-(PDF)
  51. W-21 - Installation of Fire Hydrant Pavement Markers-(PDF)
  52. W-22A - Horizontal Separation Requirements from Utilities-(PDF)
  53. W-22B - Vertical Separation Requirements from Utilities-(PDF)
  54. W-23A - Pipe Connectivity-(PDF)
  55. W-23B - Exothermic Weld-(PDF)
  56. W-23C - Bond Cables-(PDF)
  57. W-23D - Cable Splice-(PDF)
  58. W-24A - Anode Installation-(PDF)
  59. W-24B - Anode Installation (Fitting)-(PDF)
  60. W-24C - Anode Installation (Vertical Offset)-(PDF)
  61. W-24D - Anode Installation (Leak Clamp)-(PDF)
  62. W-24E - Anode Installation - Drivable Magnesium Anodes-(PDF)
  63. W-25A - Insulating Joint-(PDF)
  64. W-25B - Insulating Joint Coating-(PDF)
  65. W-26A - Test Station and Terminal Box-(PDF)
  66. W-26B - Anode Test Station (Existing Pipe)-(PDF)
  67. W-26C - Test Station Cable Identification-(PDF)
  68. W-27A - Test Station (Corrosion)-(PDF)
  69. W-27B - Test Station (Foreign Pipeline)-(PDF)
  70. W-28A - Anode Test Station (DIP)-(PDF)
  71. W-28B - Anode Test Station (Fire Hydrant)-(PDF)
  72. W-28C - Anode Test Station (Valve)-(PDF)
  73. W-28D - Anode Test Station (Cross)-(PDF)
  74. W-28E - Anode Test Station (Casing)-(PDF)
  75. W-29A - Wenner Four Pin Resistivity Test-(PDF)
  76. W-29B - Barnes Layer Resistivity-(PDF)
  77. W-29C - Soil Box Resistivity Test-(PDF)
  78. Water Distribution Design Provisions-(PDF)