2021-0173
INTRODUCED BY: MATTHEW JEWELL, PARISH PRESIDENT
(DEPARTMENT OF PUBLIC WORKS/WASTEWATER)
ORDINANCE NO. ___________
Title
An ordinance to amend the Code of Ordinances for the Parish of St. Charles, Appendix C, Subdivision Regulations of 1981, Section IV. Design standards. B. Sewer Systems. 3. Acceptance Test to include new language for testing of new wastewater infrastructure.
Body
THE ST. CHARLES PARISH COUNCIL HEREBY ORDAINS:
SECTION I. That the Code of Ordinances, Appendix C, Section IV. Design standards. B. Sewer Systems. 3. Acceptance Test. is hereby amended as follows with new text in underline and deleted text in strikethrough:
B. Sewage Systems.
3. Acceptance Test for new Pipe: Deflection, Lamp Testing and Video Inspection:
No infiltration is allowed within the gravity sanitary sewer system (Manholes, Mains, and Service Connections).
a. Unless previously approved by the Parish Engineer, all gravity and force main tests shall be pressure tested in accordance with all St. Charles Parish standards. In addition, all existing sanitary sewers shall be subject to infiltration, air pressure, and/or exfiltration tests, or a combination thereof in accordance with the requirements of the Parish Engineer.
b. When the Engineer elects the use of the infiltration test, the infiltration rate shall not exceed two hundred fifty (250) gallons per inch of diameter per mile per twenty-four (24) hours.
* A 5% deflection mandrel shall be used to perform the deflection testing for all new sewer gravity lines.
* Deflection testing shall be performed no sooner than 31 days after the pipe has been installed and all backfill operations completed.
* Deflection testing shall be performed after all infrastructures, including the compacted roadway foundation, have been installed.
* Deflection testing of all gravity lines and submittal of a deflection testing report by an approved lab is required prior to final inspection.
* The owner, his agent or the contractor shall cont...
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