Duluth UDC § 1015.01

a. Reinforced Concrete Pipe (RCP) – ASTM C 1479-01 b. Double Walled High-Density Polyethylene (HDPE) – ASTM D 2321 c. Corrugated Double Walled Polyvinyl Chloride (PVC) – ASTM D 2321 d. Corrugated Metal Pipe (CMP) – ASTM A 798 e. Non-Reinforced Concrete Pipe (NRCP) – ASTM C-14 2. Prior to approval of a Final Plat or issuance of a Certificate of Occupancy, the City may require the submittal of a certification from a mandrel testing agency (or similar) indicating that all installed pipe does not exceed 5% deflection. Video condition assessment shall be required by the City on storm drain installations before approval of the Final Plat or issuance of the Certificate of Occupancy. If required, video condition assessment should be done after completion of all activities that may damage the pipe but prior to placement of base, paving or landscaping over or near the pipe. If video condition assessment indicates problems such as pipe deformation, cracking or joint separation, or any structural pipe score higher than a “0” on NASSCO’s PACP (Pipeline assessment and Certification Program) inspection scale, the pipe shall be removed and replaced before approval is granted. 3. The Applicant for a Development Permit shall sign an affidavit at the time of Development Application acknowledging that compaction testing, pipe inspection, and bedding and backfill material analysis (for materials other than Graded Aggregate Base (GAB) or Crusher Run will be completed by the Applicant prior to approval of the Final Plat or issuance of a Certificate of Occupancy. The applicant will certify that they will correct any identified issues prior to approval of the Final Plat or issuance of a Certificate of Occupancy. 4. Applicant will provide an 18-month warranty on the pipe installation from the date of project close-out. 278 | P a g e Article Ten. Erosion Control and Stormwater Management