@2018 Blue Ridge Home Inspection LLC & Blue Ridge Service Co.

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 WASTE LINE & SEPTIC INFO

WASTE LINE VIDEO INSPECTION

The waste line is what connects your drain lines to the municipal sewers or your septic system. 

In the waste line video inspection, a camera attached to a fiber optic cable is pushed down the waste line from a clean-out either inside or outside the structure to the municipal line or the septic tank. 

Waste lines can be of several different materials: PVC, ABS, Cast Iron, Terra-cotta

or Orangeburg Pipe.

 

All types of sewer lines can cause problems, but some more prone than others. The most common are roots clogging lines.  These can be cut most of the time by a drain cleaning company, but will return and need to be cut every couple of years, or until the pipe is replaced.

PVC and ABS have the least amount of problems.  Cast Iron does rust from both inside and out, which causes common repair or replacement.  Terra-cotta is prone to breaking- due to its brittle nature.  Orangeburg Pipe is the most prone to failure because it is "glorified cardboard" with water-proofing pitch applied. 

  

SEPTIC SYSTEMS
SEPTIC TANK

Everything that goes down any of the drains in the house travels to the septic tank.  The septic tank is a large treatment of the household wastewater by intercepting solids and settleable organic matter before disposal of the wastewater (effluent) to the drain field. 

 

FUNCTION OF THE SEPTIC TANK

The septic tank provides a number of important functions, through a complex interaction of physical and biological  processes.  The functions of the septic tank are: receive all wastewater from the house, separate solids from the wastewater flow, cause reduction and decomposition of accumulated solids, provide storage for the separated solids (sludge and scum), pass the clarified wastewater (effluent) out the drain field for final treatment and disposal.

 

PRIMARY TREATMENT

As stated, the main function of the septic tank is to remove solids from the wastewater and provide a clarified effluent for disposal to the drain field.  The septic tank provides a relatively quiescent body of water where the wastewater is retained long enough to let the solids separate by both settling and flotation.  This process is often called primary treatment and results in three products: scum, sludge, and effluent.

 

ESTIMATED SEPTIC TANK PUMPING FREQUENCES IN YEARS ( FOR YEAR-ROUND RESIDENCES)