Proper installation and regular maintenance of a septic system will maximize the system's durability, and also prevent foul-smelling malfunctions, health and environmental hazards.
- Before installation, consult local legislature regarding minimum distances from buildings, property boundaries, wells, water lines, etc.
- The tank should be located close to the building to ensure short waste line runs. The near nearby location also secures enough backfill to bury the septic tank during the construction of the building.
- The location of the tank should be easy accessible to allow uncomplicated septage removal. It must also be sited away from drainage swales or depressions where water can collect.
- The tank should rest on a uniform surface. The underlying soil must be sturdy enough to bear the weight of the tank and its contents. The trench in which the septic tank will be laid should be about 50 cm wider than the tank. It is advisable to lay a level of granular base for the tank.
- All joints must be sealed properly. The joints should be clean and dry before applying the high-quality joint sealer. Burying should not commence until the sealant setup period is completed. After all joints have been sealed, a water tightness test should be performed. Risers and covers should be also tested.
- Anchor the tank to the ground with non-stretching polyester belts. The use of at least 3 anchoring belts with a nominal capacity of 2500 kg is advised. The belts should be equipped with stainless steel or zinc-coated ratchet wheels.
- After setting the tank, levelling and joining the building sewer and effluent line, the tank can be buried. The burying material should be and free of larger stones and sharp objects as they could damage the tank.
- The burying material should be added in layers. Each layer should be compacted. In fine-textured soils such as silts, silt loams, clay loams, and clay, imported granular material should be used. This is especially important in areas with common freeze and thaw cycles. The soil movement during such cycles can damage the tank joints.
When you select a site for the depositing tank and filter/sand filtering field, you must take into account many different local matters. They include for example: Type of soil in the ground, position and height variations of ground water, vicinity and surface profile of bedrock, distance to bodies of water or boundary of plot of land. The most important issues when selecting a site for the system are instructions and regulations of the local authorities. The environmental authority of your municipality can help you with problems relating to selection and measurement of your site.
Careful work in the installation phase ensures that the system will work as it is supposed to. Installation of tank and pipes in accordance with these instructions and common good construction practice will make the waste waters pass through the system as planned and enable it to work impeccably. This will extend the emptying interval of the tank and reduce the need for maintenance. Onstallation and selection of an installation site also have a significant impact on how well the water is purified, when it eventually ends up in nature. The material used in absorption and filtering fields and the quality of soil at the construction site, particularly, have an effect on this.
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