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When choosing a rainwater tank, it is worth paying attention to the technical parameters of the tanks. Underground tanks are made of durable polyethylene and have a producer's certificate confirming their durability. Their monolithic structure, without seams, makes them 100% airtight.
The first aspect that is worth paying attention to when choosing a tank is the type of soil on which the tank will be located. Not every tank will be suitable for the given conditions. The permeability of the soil and the presence of groundwater must be taken into account. Some tanks cannot be installed in severe water and ground conditions. Other tanks may be, and others require special safeguards to make such an installation possible.
The next parameter that should be taken into account is the way of using the land above the tank. That is, whether there will be pedestrian, car or truck traffic over it. It is important because most of the tanks require additional assembly procedures so that cars can pass over the buried tanks. The depth of foundation of the tank under the ground should also be analyzed, because each tank has the maximum ground coverage specified by the producer.
The table below presents a list of tanks based on parameters such as capacity, possibility of foundation in groundwater, type of soil at the place of installation, maximum ground coverage without additional protection, movement over the tank. In addition, the table contains information about the tank accessories and possible applications for the storage of various types of liquids.TANK | BOLT | DROPWATER | JUMBOTANK |
SAMPLE PICTURE | |||
CAPACITY [l] | 1000 - 5000 | 2000 - 5000 | 10000 |
FOUNDATION OF THE TANK IN GROUNDWATER* | YES (gravel pack and collecting drainage connected to the pumping station tank should be used) |
NO | YES (collecting drainage connected to the pumping station tank should be used) |
TYPE OF SOIL AT THE INSTALLATION PLACE* |
Permeable and poorly permeable (gravel pack with fraction 8/16) |
Permeable | Permeable and poorly permeable (sand - cement pack) |
MAX. GROUND COVERAGE WITH GROUND WITHOUT ADDITIONAL PROTECTION [m]* |
0,4 (when deeper, a concrete relief slab should be used) |
0,6 (when deeper, a concrete relief slab should be used) |
1,0 (when deeper, a concrete relief slab should be used) |
MOVEMENT OVER THE TANK* | Pedestrian traffic | Pedestrian traffic | Pedestrian traffic |
Car traffic (reinforced concrete relief plate, cast iron hatch) |
|||
TANK ACCESSORIES | Superstructure, cover, basket filter included | Cover included | Polyethylene cover included |
APPLICATION* | Rainwater, septic tank | Rainwater, septic tank | Above-ground tank, septic tank, separator tank, fire protection tank; rainwater, liquid manure, drinking water |
* The information in the table is indicative. When selecting and installing, follow the manufacturers guidelines.
The Bolt underground tank is available in four capacities: 1000 l, 2500 l, 3500 l and 5000 l. It is designed for rainwater storage. The structure of the tank allows for its foundation in groundwater as well as in permeable and poorly permeable soils. The set includes a basket filter in the superstructure and a cover. There may be pedestrian traffic over the tank. The tank is also available as a septic tank without drainage. We also offer a complete BOLT RAIN rainwater collection system that allows you to use it for watering the garden. This system is equipped with a filter, siphon, automatic pump, box and hose.
The DropWATER underground tank is available in four capacities: 2000 l, 3000 l, 4000 l, 5000 l. It can be used as a rainwater store or a septic tank. It is designed for installation in permeable soils, where there is no groundwater. Pedestrian traffic is allowed above the tank. Included with the tank is a cover. This tank with a pump, filter, garden box and hose forms the WATER RAIN DROP rainwater collection system.
The 10 000 l Jumbotank has many functions. It can act as an underground and above-ground tank. It is used for the storage of rainwater, drinking water and liquid manure. It can be used as a septic tank, separator tank or fire-figting tank. The design of the tank allows for its foundation in groundwater as well as in permeable and poorly permeable soils. There may be pedestrian and car traffic above the tank. The tank is not intended for installation in places with constant vehicle traffic, e.g. in a road lane. A lid is delivered with the tank. This tank, together with the pump, filter, garden box and hose, forms a JUMBO garden set.
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