Technical Specifications

All details are subject to change by engineering as related to any proposed project. If a particular item or situation is not addressed by a TriRiver Water specification or drawing, please refer to the North Carolina Department of Transportation Specifications and Details.

Service Areas 1 & 2 - Sanford

Sanitary Sewer

  1. General Specifications - Gravity Sewer Mains and Materials (PDF)
  2. SD-S-001, Residential Sewer Tap (PDF)
  3. SD-S-002, Sewer Tap Into Manhole (PDF)
  4. SD-S-003, Manhole (PDF)
  5. SD-S-004, Grease Interceptor (PDF)
  6. SD-S-005, Encasement Pipe - Use for Both Sewer and Water (PDF)
  7. SD-S-006, Exterior Drop Connection (PDF)
  8. SD-S-007, Interior Drop Connection (PDF)
  9. SD-S-008, Bedding for Sewer Mains (PDF)

Water - Revised September 2020, Serial Number 20-00397

  1. SD-W-001, Residential Water Meter and Tap (PDF)
  2. SD-W-002, Tap and Meter with Custom Setter (PDF)
  3. SD-W-003, Double Check Valve, 3-4 Inch to 2 Inch (PDF)
  4. SD-W-004, Double Check Valve Large Than 2 Inches (PDF)
  5. SD-W-005, Reduced Pressure Zone Assembly - 3-4 Inch to 2 Inch (PDF)
  6. SD-W-006, Reduced Pressure Zone Assembly Large Than 2 Inches (PDF)
  7. SD-W-007, Fire Suppression Back Flow Assembly (PDF)
  8. SD-W-008, Two Inch Blow Off Assembly (PDF)
  9. SD-W-009, Fire Hydrant Assembly (PDF)
  10. SD-W-010, 2.5in Hydrant Nozzle Threads (PDF)
  11. SD-W-011, Hydrant Tag (PDF)
  12. SD-W-012, Gang Meter (PDF)
  13. SD-W-013, 3 or 4 Inch Water Meter Vault (PDF)
  14. Technical Specifications Water Mains and Materials (PDF)

Service Areas 3 & 4 - Pittsboro

Town Engineering & Utility Standard Specifications

  1. Section 2 - Utility Trenching (PDF)
  2. Section 3 - Public Water Distribution Systems (PDF)
  3. Section 4 - Sanitary Sewer Systems (PDF)
  4. Section 5 - Sanitary Sewer Pumping Stations (PDF)
  5. Section 6 - Reclaimed Water Distribution Systems (PDF)