Discover our commitment to excellence through district specifications and standards.
ND-01 – Notice to Contractors
ND-02 – Manhole Construction Notes
ND-03 – Manhole Diameter Requirements
ND-04 – Manhole Cover and Grade Ring
ND-06 – Acceptance Testing, Final Completion, and Warranty Requirements
ND-07 – Standard Manhole Connection
ND-08 – Standard Manole Detail 48″ Dia Concrete Sewer or Larger
ND-09 – Standard Concrete Manhole Modification Detail on 48″ Dia Sewer or Larger
ND-10 – Standard Frp Tee Base Manhole Detail 48″ Dia Frp Sewer or Larger
ND-11 – Standard Manhole Detail Frp
ND-12 – Standard Polymer Manhole Detail for 42″ Dia Sewer or Smaller
ND-14 – Standard Polymer Manhole Detail for 48″ Dia Sewer or Larger
ND-15 – Partial Manhole Replacement or Adjustment
ND-16 – Manhole Connection to CIPP Lined Pipe
ND-05 – Flow Control and Bypass Pumping Requirements
ND-17 – Standard Service Connection
ND-18 – Standard Service Connection – CIPP Lined Pipe
ND-19 – Standard Service Connection – Abandonment
ND-13 – Standard Grease Interceptor
ND-20 – Structural Support at Crossing
ND-21 – Casing and Pipe Installation