Common Septic System Installation Issues As presented by: Rodger Schuldt TCEQ Installer II License # OS19898 TCEQ Maintenance Provider License # MP00545 TCEQ Site Evaluator License # OS20270
As presented by: Rodger Schuldt TCEQ Installer II License # OS19898 TCEQ Maintenance Provider License # MP00545 TCEQ Site Evaluator License # OS20270.
Dec 15, 2015
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Common Septic System Installation IssuesAs presented by: Rodger Schuldt
TCEQ Installer II License # OS19898TCEQ Maintenance Provider License #
MP00545TCEQ Site Evaluator License # OS20270
Locate sewer pipe stub outs◦ Newer homes
usually have one (1) stub out
◦ Older homes (sometimes referred to as retrofits) can have multiple stub outs all around the house
Site Evaluation
Identify other plumbing in the area◦ Water lines◦ Gas lines◦ Electric lines
Site Evaluation
Locate easements and setbacks◦ Pipelines◦ Utilities
Overhead and underground◦ Water wells◦ Existing sewer drain field
from other houses on the same property Can’t occupy the same space
Site Evaluation
Verify tanks and disposal field will fit as designed◦ Trees and out buildings
often are not accurately shown on designs, if at all
◦ Locate property lines
Site Evaluation
Analyze soil type while digging hole for tank(s)◦ Verify soil is same type as
listed in site evaluation paperwork If soil is different than is
identified in the site evaluation, stop work and notify the regulating authority
Soil Evaluation
Accessibility for heavy equipment◦ Backhoe or excavator◦ Dump trucks◦ Septic system delivery
trucks
Access to Work Area
Ground conditions◦ Muddy, soft ground◦ Existing septic tanks in
the new tank’s proposed location
Access to Work Area
Room to work◦ Room to set up
equipment◦ Place to pile spoil while
excavating◦ Place to spread the spoil
left over
Access to Work Area
Depth of sewer stub outs
Installation of Equipment
Depth of septic tanks
Installation of Equipment
Placement of lift station and/or equalization tank, if required
Installation of Equipment
Water source to fill tanks◦ Very Important!
Installation of Equipment
Sewer pipe between stub outs and tanks◦ Pipe size◦ Fall needed for positive
flow of sewer◦ Required clean outs
2-way vs. 1-way◦ Distance between clean
outs◦ Sanitary tee inside tanks◦ Proper sealing of piping
into tanks
Installation of Equipment
Approved chlorinator ◦ Liquid◦ Tablet
Installation of Equipment
Electrical connections◦ Location of electrical
supply◦ Disconnect location◦ Mounting of control box
and aerator Flood zone elevation
requirements◦ Auto dialer, if required
Installation of Equipment
Surface irrigation◦ Sprinkler placement◦ Trees and Fences◦ Crossing water lines◦ Setback distances from
water wells and property lines
Disposal Field
Subsurface irrigation (Drip emitters)◦ Trees in drip field area◦ Soil type in drip field area◦ Mounding vs. grade◦ Positive draining of
surface water◦ Sodding vs. seeding◦ Headers with vacuum
breakers◦ Proper depth of drip lines
Disposal Field
Back filling around tanks◦ Class III soil◦ Positive flow of surface
water away from tanks Bedding in sewer pipes to
prevent sagging of pipes Spreading or removing
left over spoil◦ This is subject to
contractual agreement
Completion of Installation
Questions?
Designed by: Ryan Schuldt
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