- Floor layout plan identifying all rooms in the building/buildings connected to the system.
- Manufacturer's documentation for the system including the tank, pump, dripper lines etc.
- Draft Wastewater Maintenance contract A signed contract specifying that maintenance will commence within six months of the system commissioning..
Your engineer needs to provide:
- a design report that includes a site and soil assessment
- assessment of environmental effects and mitigation (AEE)
- Wastewater System Management Plan A plan that tells the owner how the system is designed to work and the maintenance requirements necessary to achieve this.
- dimensions on the site plan to show the clearance to buildings, retaining walls, boundaries, streams etc.
- on-site Wastewater Disposal Site Evaluation Investigation Checklist (known as the Appendix E form) completed and signed.
- site plan that shows:
- contours and gradients, flood plains (identify all within 50m of the disposal area), bore locations, water features, streams, existing underground services, cut and fill area, swimming pool or stormwater trenches, proposed planting etc.
- all buildings, retaining walls, position of the on-site waste water system, disposal field (with flush valves), reserve area, cut off drains, etc.