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The selection of fiberglass septic tanks is based on different buildings, and the design parameters are calculated by individual project designers.
In principle, the location of the fiberglass septic tank should not affect the building foundation. Generally, the distance from the domestic drinking water pool should not be closer than that of the underground water intake structure. When the foundation plane of the building is higher than the foundation plane of the septic tank, the distance between the outer wall of the septic tank should not be less than .
For the overall FRP septic tank, the minimum soil covering and the maximum soil covering should not be exceeded. In cold areas, when the minimum temperature is below ℃, the soil covering depth of the septic tank shall not be less than ℃. In areas where the average temperature in the coldest month is less than ℃, when designers consider the setting depth of the FRP septic tank, the depth of the FRP septic tank should be It is appropriate to set it below the freezing line in the area.
FRP septic tanks are installed under green belts, lawns, and sidewalks, and the covering soil should not exceed the limit. They can also be installed on roads.
When the manhole cover can't pass the car, use the lockable double-layer manhole cover and the cover holder. When the manhole cover can't pass the car, use the lockable heavy-duty double layer. Fiberglass septic tanks also take into account the needs of community greening or paving of roads and squares. Cast iron or polymer manhole covers are level with the ground. Where there is paved ground, the manhole cover can be appropriately lowered under the paved floor tiles. When the paved floor tiles are on the manhole cover, The manhole cover must be opened when it is necessary to open it.
If the volume of the FRP septic tank exceeds, two single tanks can be connected in parallel or in series. If connected in series, the designer and user must notify the manufacturer in advance of the preset, and the distance between the outer walls of the tank shall not be less than