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STORMWATER TREATMENT

EcoTreat Class 1 Full Retention FR Series

The Global Water EcoTreat Class 1 Stormwater Treatment Device Full Retention is an oil water separator that effectively treats polluted run-off water. It is one of Global Water’s multiple stormwater treatment devices available.

Features of the Class 1 Full Retention device include:

  • tough one-piece roto-moulded construction
  • suitable for gravity or pumped inflows
  • compliance to EN 858-1 and performance tested by the University of South Australia
  • discharge quality meets EPA and Stormwater Australia guidelines

FEATURES

APPLICATIONS

The DrainAce Compact is commonly found in restaurants, basements of high-rise buildings, boardrooms, laboratories, doctor or dental surgeries, construction sites and portable buildings. Units are also available for greasy waste discharge from grease arrestors. 

APPLICATIONS

The EcoTreat Full Retention device can be installed in the following applications:

  • fuel depots and refueling stations
  • petrol station forecourts
  • industrial loading zones
  • aircraft/helicopter facilities
  • commercial trucking yards
  • mining and heavy vehicle service areas
  • transformer stations and wind farms

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PRODUCT INFORMATION

At high-risk sites like petrol stations and fuel depots, spills or overflows of petrol, oil or diesel need to be contained to prevent them from entering the stormwater drainage system.

Global Water’s EcoTreat Class 1 Full Retention device effectively treats every day episodic spills of diesel and oil, plus contains major spills that may occur.

The Full Retention FR Series is fitted with a coalescing treatment device that ensures any hydrocarbon contaminated run-off is treated to comply to the stringent Class 1 requirements of the EN 858-1, with a stormwater discharge quality of less than 5 mg/L oil content.

The FR series is suitable for primary and secondary stormwater treatment, successful in removing sediment, suspended solids and hydrocarbons.


Water Quality Certification

A full-scale performance test of the Global Water EcoTreat Class 1 Full Retention was conducted by the University of South Australia.

Five samples were collected using the outflow arrangement in accordance with the requirements of EN858-1. The mean concentration of the outflow tested C6-C40 was 1.52mg/L, considerably better than the minimum 5mg/L requirement of the Class 1 water quality requirements of European Standard EN 858-1 which is recognised universally as best practice by regulatory bodies.

  1. EcoTreatGross Pollutant Trap (Optional): The EcoTreat Gross Pollutant Trap is a particularly useful upstream addition to the treatment train where there is a high solid loading. The easy to clean silt basket removes gross pollutants plus a high percentage of sand and silt, reducing the load on the downstream treatment device.
  2. Emergency Storage Chamber: In high-risk environments where a major spill can occur, an Emergency Storage Chamber is installed prior to the EcoTreat Full Retention. This ensures the entire spill is contained during a catastrophic event.
  3. Flame Trap: The inlet pipe has a liquid seal which prevents flammable vapours from venting up into the pipework system.
  4. Solids Settling Chamber: All inflow first passes through the settling chamber, allowing removal of gross pollutants and fine sediment.
  5. Oil Separation/Storage Chamber: Captured oil and other hydrocarbons are held in the oil storage chamber. The capacity of this chamber meets the requirements of EN858-1.
  6. Auto Closure Device (ACD): The ACD is engineered to be sensitive to changes in liquid density as a result of fuel, oil or diesel build-up in the oil storage chamber. In the event of a spill, the ACD shuts off the outlet and stops any further discharge, containing the spill on site and preventing any contamination of the stormwater system.
  7. Oil Sensing Probe: In high-risk sites including petrol stations, the EPA requires an Oil Sensing Probe to monitor for high accumulation of hydrocarbons. When the level reaches the predetermined depth, an alarm is triggered signaling that a spill has occurred or that the unit requires maintenance.
  8. Silt Alarm (Optional): A Silt Alarm Probe can be mounted inside the main chamber to give a fault signal when there is an excess build up of silt and sludge. 

Specifications

Model Number 

FR-4 

FR-7 

FR-30 

FR-50 

Treatment flow rate (L/S) 

12 

25 

50

Capacity (L) 

1680 

1920 

4800 

7520

Diameter (mm) 

1300 

1300 

1850 

2850

Height (mm) 

1850 

2070 

2200 

2340

Weight (kg) 

54 

64 

158 

480

Inlet diameter (mm) 

125 

160 

250 

315

Outlet diameter (mm) 

125 

160 

250 

315

Oil storage volume (L) 

40 

70 

300 

500

Sediment storage volume (L) 

400 

700 

3000 

5000

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