EQ BP CLASS I
EQ BP class I oil trap with a bypass system.
In places where there may occasionally be a risk of a flood of precipitation and meltwater exceeding the capacity, the oil trap system must be provided with a bypass. Bypass allows excess flood water to pass by the oil trap chamber of the trap, preventing already collected oil from entering the rainwater system.
Sizing and selection of a sand-sludge separator:
A sand-sludge separator must always be designed before the oil trap to prevent rainwater from
entering directly the oil trap.
A sand trap can be in the same housing as the oil trap but it can also be an independent system. The
size of the sand trap is determined in the table below.
SAND- AND SLUDGE SEPARATORS
SIZING:
- process water with low sand content
- all rainwater collection areas where small presence of sand-sludge has been identified, such as petrol stations or petrol stations covered with a roof.
100 x NS
- petrol stations, car hand-wash stations, partial washing
- bus washers
- waste water from garages and car parking areas
- power plants, machine industries
200 x NS
- areas for washing construction machines, construction equipment washers, places for washing agricultural equipment
- truck washers
- automatic car washers, so-called roller washes or tunnel car wash
300 x NS
OIL SEPARATOR SIZING CALCULATOR:
Rainwater flow rate in l/(s*ha)which corresponds to the actual conditions on site. In case there is
no data available, use 80 l/(s*ha) for Estonia.
Area (ha)from which water flows into the trap
Calculation result (NS)to be rounded to the nearest highest number. For example, in the case of the calculation result where NS=8.8, EQ BP class I oil trap NS10/30 Taavis can be used.
DRAWINGS:
Files for download:
EQ BP class I oil separator NS10/30 Taavis
Files for download:
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EQ BP class I oil separator NS15/45
Files for download:
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EQ BP class I oil separator NS20/60
Files for download:
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EQ BP class I oil separator NS30/90
Files for download:
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EQ BP class I oil separator NS40/120
Files for download:
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EQ BP class I oil separator NS50/150
Files for download:
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EQ BP class I oil separator NS65/195
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EQ BP class I oil separator NS80/240
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EQ BP class I oil separator NS100/300
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