Õlieraldaja EQ BP

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

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OIL SEPARATOR SIZING CALCULATOR:

Certificate

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: