Sewer Line or Septic Tank Line Replacement Procedure
- POST a QUESTION or COMMENT about the steps in replacing a leaky or damaged sewer pipe or main building drain between the building and the sewer or septic tank
Sewer or Septic Drain Line Replacement Procedure - complete guide:
This article series describes the detailed steps taken when, where, how, and why a sewer pipe or "drain line" is replaced.
By sewer line we refer to either the drain connecting the building to a public sewer or the drain pipe connecting the building to a private septic tank.
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Steps in Sewer Line Replacement
The sewer/septic pipeline which was replaced in this photo-illustrated
case runs from the building exterior to a septic tank located downhill from the home.
Technical reviewers are welcome and are listed at "References."
This is a chapter of SEPTIC SYSTEM INSPECTION & MAINTENANCE COURSE an online book on septic systems. Also see CLOGGED DRAIN DIAGNOSIS & REPAIR diagnosing septic backups and septic system failures versus clogged drains.
Because we were working in a tight space with nearby buildings and power lines, a skilled backhoe operator was essential for the work.

The backhoe operator was a master and could probably have moved eggs around without breaking them if he wanted to show off.
The old sewer line was excavated and removed from near the house down to near the septic tank using the backhoe.
The operator moved the concrete sections of sidewalk aside so that if we wanted, they could later simply be replaced and re-used. (Later we elected to have them removed from the site entirely).
Final excavation of the drain line near the septic tank and near the house were completed by hand so as to avoid possible damage to a near by deck
pier, to the waste line we wanted to connect-to just outside the foundation wall, and to the septic tank.
The details of this sewer line replacement article are divided as shown at our Recommended Articles list below.
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Citations & Reviewers
In addition to any citations in the article above, a full list is available on request.
- New York State Department of Health, APPENDIX 75-A WASTEWATER TREATMENT STANDARDS - INDIVIDUAL HOUSEHOLD SYSTEMS , [PDF] New York State Department of Health, 3 February 2010, retrieved 3/1/2010, original source: https://www.health.ny.gov/regulations/nycrr/title_10/part_75/appendix_75-a.htm
- Thanks to Thomas Gleason, excavators, Poughkeepsie, NY 845-454-3730, for the excavating work at the project photo documented here in September 2006
- Thanks to Cleveland Plumbing, the prime plumbing contractor, Staatsburgh, NY 845-485-7700 for the plumbing work and drain clog diagnosis work documented here in September 2006
- Advanced Onsite Wastewater Systems Technologies, Anish R. Jantrania, Mark A. Gross. Anish Jantrania, Ph.D., P.E., M.B.A., is a Consulting Engineer, in Mechanicsville VA, 804-550-0389
(2006), Advanced Onsite Wastewater Systems Technologies.
Outstanding technical reference especially on alternative septic system design alternatives. Written for designers and engineers, this book is not at all easy going
for homeowners but is a text we recommend for professionals--DF. >I>
- US EPA ONSITE WASTEWATER TREATMENT SYSTEMS MANUAL [online copy, free] Top Reference: US EPA's Design Manual for Onsite Wastewater Treatment and Disposal, 1980, available from the US EPA, the US GPO Superintendent of Documents (Pueblo CO), and from the National Small Flows Clearinghouse. Original source http://www.epa.gov/ORD/NRMRL/Pubs/625R00008/625R00008.htm Onsite wastewater treatment and disposal systems,
Richard J Otis, published by the US EPA. Although it's more than 20 years old, this book remains a useful reference for septic system designers.
U.S. Environmental Protection Agency, Office of Water Program Operations; Office of Research and Development, Municipal Environmental Research Laboratory; (1980)
- Eco John® Innovative Toilet Solutions, Global Inventive Industries, Fountain Valley CA, PDF, product brochure
- "International Private Sewage Disposal Code," 1995, BOCA-708-799-2300, ICBO-310-699-0541, SBCCI 205-591-1853, available from those code associations.
- "Manual of Policy, Procedures, and Guidelines for Onsite Sewage Systems," Ontario Reg. 374/81, Part VII of the Environmental
Protection Act (Canada), ISBN 0-7743-7303-2, Ministry of the Environment,135 St. Clair Ave. West, Toronto Ontario M4V 1P5 Canada $24. CDN.
- Manual of Septic Tank Practice, US Public Health Service's 1959.
- In addition to citations & references found in this article, see the research citations given at the end of the related articles found at our suggested
CONTINUE READING or RECOMMENDED ARTICLES.
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