Waste electrical and electronic equipment (WEEE): appropriate measures for permitted facilities – 2. General management appropriate measures – Guidance

1. You must take the following measures, where appropriate, to prevent events that may lead to an accident.

Segregating waste

2. You must keep incompatible wastes apart.

Preventing accidental emissions

3. You must make sure you contain the following for off-site disposal or route to the sealed drainage system as appropriate:

  • process waters
  • site drainage waters
  • emergency firefighting water
  • oil or chemical contaminated waters
  • spillages of oils and chemicals

4. You must be able to contain surges and storm water flows. You must provide enough buffer storage capacity to make sure you can achieve this. You can define this capacity using a risk-based approach, for example, by considering the:

  • nature of the pollutants
  • effects of downstream waste-water treatment
  • sensitivity of the receiving environment

5. You can only discharge waste-water from this buffer storage after you have taken appropriate measures, for example, to control, treat or reuse the water. Discharges to ground, surface water or sewer must be lawful and must comply with any consents or permissions that are required.

6. You must have spill contingency procedures to minimise the risk of an accidental emission of raw materials, products and waste materials, and to prevent their entry into water.

7. Your emergency firefighting water collection system must take account of additional firefighting water flows or firefighting foams. You may need emergency storage lagoons to prevent contaminated firefighting water reaching a receiving water body. This should be considered as part of your fire prevention plan.

8. You must consider and, if appropriate, plan for the possibility that you need to contain or abate accidental emissions from:

  • overflows
  • vents
  • safety relief valves
  • bursting discs

If this is not advisable on safety grounds, you must focus on the probability of the emission.

security measures

9. You must have security measures in place (including staff) to prevent:

  • entry by vandals and intruders
  • damage to plant and equipment
  • theft
  • fly-tipping
  • arson

10. Facilities must use an appropriate combination of the following measures:

  • security guards
  • total enclosure (usually with fences)
  • controlled entry points
  • adequate lighting
  • warning signs
  • 24-hour surveillance, such as closed-circuit television (CCTV)

Fire prevention

11. There are 3 fire prevention objectives. You must:

  • minimise the likelihood of a fire happening
  • aim for a fire to be extinguished within 4 hours
  • minimise the spread of fire within the site and to neighborhood sites

12. You must have a fire prevention plan that meets the requirements of our fire prevention plan guidance.

Other accident prevention measures

13. You must maintain plant control in an emergency using one or a combination of:

  • alarms
  • process trips and interlocks
  • automatic systems
  • manual interventions

14. You must:

  • make sure all the measurement and control devices you would need in an emergency are easy to access and operate in an emergency situation
  • maintain the plant so it is in a good state through a preventive maintenance program and a control and testing program
  • Use techniques such as suitable barriers to preventing moving vehicles equipment
  • have procedures in place to avoid incidents due to poor communication between operating staff during shift changes and following maintenance or other engineering work
  • where relevant, use equipment and protective systems designed for use in potentially explosive atmospheres

Record keeping and procedures

15. You must:

  • keep an up-to-date record of all accidents, incidents, near misses, changes to procedures, abnormal events, and the findings of maintenance inspections
  • carry out investigations into accidents, incidents, near misses and abnormal events and record the steps taken to prevent their reoccurrence
  • maintain an inventory of substances, which are present (or likely to be) and which could have environmental consequences if they escape – many apparently innocuous substances can damage the environment if they escape
  • have procedures for checking raw materials and wastes to make sure they are compatible with other substances they may accidentally come into contact with
  • make sure that any documents that may be needed in the event of an incident are accessible

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