onlot sewage disposal system options...onlot sewage disposal system options upper makefield township...
TRANSCRIPT
![Page 1: Onlot Sewage Disposal System Options...Onlot Sewage Disposal System Options Upper Makefield Township –Act 537 Public Education Session #2 Tom Zarko, PE –CKS Engineers, Inc. June](https://reader035.vdocument.in/reader035/viewer/2022063006/5fb597e40df1bb4d654b601b/html5/thumbnails/1.jpg)
Onlot Sewage
Disposal System
OptionsUpper Makefield Township – Act 537 Public Education
Session #2Tom Zarko, PE – CKS Engineers, Inc.
June 8, 2017
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How Does a Conventional
Sewage System Work?
Building Sewer
Treatment Tank
Anaerobic (septic tank)
or Aerobic
Distribution Box or
Dosing Tank & Pump
Absorption Area
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Septic Tank -
First Stage of Treatment
Septic Tank - First stage of treatment
Collects wastewater
Separates:
Floatable solids (Scum)
Settleable solids (Sludge)
Liquid effluent
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Effluent Distribution -
Second Stage of Treatment
Gravity Distribution Box
Dosing Tank and Pump
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Drain field -
Third Stage of Treatment
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Perforated pipes in
gravel bedding
Effluent flows out of
pipes through gravel and
into the soil
Filters bacteria
Absorbs viruses
Retains certain
chemicals
(phosphorous &
nitrogen)
Recharges groundwater
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Approved Conventional Onlot
System Types
Three types:
Conventional In-Ground Trench or Bed System
Conventional Elevated Sand Mound System
Individual Residential Spray Irrigation System
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Conventional In-ground
Trench or Bed System
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Conventional Elevated Sand
Mound System
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Conventional Elevated Sand
Mound System
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ESM Under Construction Functioning ESM
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Individual Residential Spray
Irrigation System
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Individual Residential Spray
Irrigation System
Primary treatment - Provided by either septic tank or
aerobic unit
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Individual Residential Spray
Irrigation System
Secondary Treatment - Provided by either sand filter or
peat filter
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Individual Residential Spray
Irrigation System
Effluent is disinfected and stored in a tank until it can
be discharged through sprinkler system
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Permitted Alternative On-Lot
Sewage Disposal Systems
Alternative Individually Designed Composting Toilets
Flow Equalization
Alternative Peat-based System Options
Free Access Gravity Sand Filter
CO-OP RFS III System option
Leaching Chambers
Alternative Aggregates
Greywater Systems
At-Grade Bed Systems
Modified Subsurface Sand Filter for Fast Percolation, Shallow Bedrock Sites with No Water Table Present
Shallow Placement Pressure Dosed System
Drip Irrigation Systems
Steep Slope Elevated Sand Mound Beds
A/B Soil System
Non-Infiltration, Evapotranspiration Bed contained within a Greenhouse
AdvanTex AX-Series Treatment System
Air Injection Absorption Area Renovation
Drip Distribution PERC-RITE Primary Effluent
Drip Distribution PERC-RITE Micro-Mound
Floating Outlet (Flout) Siphon
Geotextile Sand Filters
Leaching Chambers
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Questions?
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