Septic Systems Installation

Guidelines for designing proper performing OSSFs:

1.Flow equalization for all ATU's
2.Pressurized time dosing to field for systems with primary treatment only
3.Homeowner questionnaire
a.No ATU's if not perpetually occupied
4.Use TCEQ flows to establish average daily flows only
a.Use a project-specific peak flow multiplier for design
5.Do not depend on homeowner for success of system.
a.Automatic zone switching
i.verifiable
b.Automatic filter flushing
c.Automatic field flushing
d.Chlorine disinfection only if provider supplying Cl2 monthly
i.Ozone or UV disinfection, otherwise
e.Flow meter to verify system performance and usage
6.Electronic monitoring, if used, must verify system performance between visits
a.Auditable reporting
b.Verify communication integrity, at least monthly
c.Show system performance
i.Historical, at a minimum
ii.Real Time, for commercial
d.Service Provider's performance tracking
7.Commercial/Institutional Pretreatment Required
a.Determine wastewater characteristics
i.Influent
1.BOD, TSS, pH, COD, FOG, Temperature, Toxicity
2.Multiple samples
3.Multiple days
ii.Effluent
1.BOD >140
2.TSS >140
3.FOG > 10
4.pH = 7.0 approx.
b.Determine flows
i.GPM, avg
ii.GPM, peak
iii.GPD, avg
iv.GPD, peak
c.Determine balance of design using steps 1-5.



Previous Article : Septic System Pumps - - Next Article : Residential Septic System

Featured Articles
Providing Quality Service...Guaranteed In the Greater Austin Area of Travis, Hays, Williamson, Burnet, & Bastrop Counties , Onion Creek, Windmere, The Hills, Hays County, Dripping Springs, Buda, Jarrell, Georgetown, Brushy Creek, Bell County, Misc Locations.
Call (512) 338-1804 for fast, dependable service.
Seller Says "Too Bad" Seller Says “Too Bad” After Homebuyers Find Rotting Septic Tank Under Plywood(From Pumper Magazine, October 23, 2018) A news organization in Cortland Manor, New...
Maintenance Here's a little discussed but logical fact of life regarding septic systems: All septic systems require maintenance to keep them working correctly and to ensure...
Aerobic System Pumping Aerobic Treatment Units (ATU) generally require more frequent pumping than do septic tanks of comparable size. There are 2 reasons: The...
  • Septic System Pressure A low pressure distribution system overcomes these two drawbacks of the normal gravity fed system. The LPD system...
  • Septic Tank Backup Sewage odors, wet areas on the property, slow fixture drains, gurgling drain noises, or plumbing fixtures which backup...
  • Seller Says "Too Bad" Seller Says “Too Bad” After Homebuyers Find Rotting Septic Tank Under Plywood(From Pumper Magazine, October 23, 2018) ...
  • Septic Tank Repairs Additional PSA Member Benefits Should your system require additional service during the year, you will receive Priority Emergency...
  • Septic Cleaner Why an S.O.S. Inspection Agreement? Security - Without proper maintenance, your system will fail prematurely, causing:Health and...