Table of Contents

Part 1: General

1.1 Objective Of Standard

1.2 Scope And Interpretation

1.3 Referenced Documents

1.4 Application

1.5 Legislation

1.6 Definitions

1.7 Abbreviations

Part 2: Performance

2.1 General

2.2 Performance: Management Of On-Site Domestic-Wastewater Systems

2.3 Performance: Site-And-Soil Evaluation

2.4 Performance: Wastewater Systems

2.5 Performance: Construction And Installation

Part 3: Management Of On-Site Domestic Waste Water Systems

3.1 Scope

3.2 Application

3.3 Context Of Use

3.4 Implementation Factors, Features And Procedures

3.5 Implementation Roles

3.6 Education And Training

3.7 Operation And Maintenance

Appendix 3a Operation And Maintenance Guidelines

Part 4: Means Of Compliance

4.1 Site-And-Soil Evaluation

4.2 Land-Application Systems

4.3 Wastewater-Treatment Units

4.4 Other Wastewater Systems

4.5 Construction And Installation

Appendices Related To Clause 4.1 Site-And-Soilevaluation

4.1a - Site-And-Soil Evaluation: Procedures

4.1b - Site-And-Soil Evaluation For Planning, Rezoning And Subdivision Of Land

4.1c - Site-And-Soil Evaluation For Individual Lots

4.1d - Site And Soil Properties

4.1e - Dispersive Soils And Sodicity

4.1f - Soil Permeability Measurement - Constant-Head Test

Appendices Related To Clause 4.2 Land-Application Systems

4.2a - Land-Application Systems - System Selection And Sizing

4.2b - Land-Application Systems - Guidance On Selection

4.2c - Water-Balance And Land-Application Systems

4.2d - Typical Domestic-Wastewater Flow Design Allowances

Appendices Related To Clause 4.3 Wastewatertreatmentunits

4.3a - Recommended Capacities For Conventional Septic Tanks

Appendices Related To Clause 4.5

4.5a - Construction And Installation Of Trenches, Beds And Eta/Ets Systems

4.5b - Construction Of Mound Systems

4.5c - Construction And Installation Requirements For Shallow Sub-Surface Drip Irrigation Systems

4.5d - Construction And Installation Requirements For Surface Irrigation Systems

Table

4.1.1 - Determination Of Soil Category

4.1a1 - Summary Of Investigation Procedures

4.1a2 - Soil Properties

4.1c1 - Site Assessment Factors - Individual Lot

4.1d1 - Assessment Of Soil Texture

4.1d2 - Abundance Of Coarse Fragments

4.1d3 - Size Of Coarse Fragments

4.1d4 - Structure

4.2a1 - Recommended Design Loading Rates For Trenches And Beds

4.2a2 - Recommended Eta/Ets Design Loading Rates

4.2a3 - Recommended Mound Design Loading Rates

4.2a4 - Recommended Design Irrigation Rate (Dir) For Irrigation Systems

4.2b1 - Land Application Systems - Limitations Due To Site, Soil And Climate Factors

4.2b2 - Selecting The Land-Application System To Fit The Site And The Soil

4.3a1 - All-Waste Septic Tank Capacities

4.3a2 - Greywater Septic Tank Capacities

4.3a3 - Blackwater Septic Tank Capacities

4.5a1 - Typical Dimensions Of Conventional Trenches And Beds

Figure

3.1 – Example Record Sheet

3a1 - The Septic Tank And Land-Application System

3a2 - The Septic Tank

4.1a1 - Soil Profile And Information Data Sheet: Example

4.1b1 - Site-And-Soil Evaluation Process For Subdivisions

4.1b2 - Slope Configuration In Relation To Surface Drainage

4.1c1 - Site Plan - Individual Lot: Example

4.1c2 - Site Information Sheet: Example

4.1c3 - Site-And-Soil Evaluation Form - Individual Lot: Example

4.1f1 - Permeameter Assembly

4.1f2 - Anti-Scouring Device

4.1f3 - Soil Permeability Field Record Sheet - Example

4.2c1 - The Natural Water Balance Of Land

4.5a1 - Conventional Piped Trench

4.5a2 - Self-Supporting Arch Trench

4.5a3 - Boced Trench

4.5a4 - Discharge Control Trench For Category 1 Soil

4.5a5 - Conventional Bed

4.5a6 - Eta/Ets Bed Details

4.5a7 - Eta/Ets Trenches

4.5b1 - Wisconsin Mound System

4.5c1 - Shallow Subsurface Drip Irrigation System

4.5d1 - Covered Surface Drip Irrigation System