Civil Engineering Reference
In-Depth Information
Table 15.3
General criteria for sites to come within the scope of the regulations
Column 1
Column 2
Column 3
Categories of dangerous substances
Quantity in tonnes
1. VERY TOXIC
5
20
2. TOXIC
50
200
3. OXIDISING
50
200
4.
EXPLOSIVE (where the substance or preparation falls within the defi nition given in Note 2(a))
50
200
5.
EXPLOSIVE (where the substance or preparation falls within the defi nition given in Note 2(b))
10
50
6.
FLAMMABLE (where the substance or preparation falls within the defi nition given in Note 3(a))
5000
50 000
7a. HIGHLY FLAMMABLE (where the substance or preparation falls within the defi nition given in
Note 3(b)(i))
50
200
7b. HIGHLY FLAMMABLE liquids (where the substance or preparation falls within the defi nition given in
Note 3(b)(ii))
5000
50 000
8. EXTREMELY FLAMMABLE (where the substance or preparation falls within the defi nition given in
Note 3(c))
10
50
9.
DANGEROUS FOR THE ENVIRONMENT in combination with risk phrases:
(i)
R50: 'Very toxic to aquatic organisms'
200
500
(ii)
R51: 'Toxic to aquatic organisms'; and
500
2000
(iii)
R53: 'May cause long-term adverse effects in the aquatic environment'
10.
ANY CLASSIFICATION not covered by those given above in combination with risk phrases:
100
500
(i)
R14: 'Reacts violently with water' (including R14/15)
(ii)
R29: 'In contact with water, liberates toxic gas'
50
200
respect of the establishment, installation, process or
dangerous substances as the case may be; and inform
the competent authority of the details of the revision.
determining and implementing the major accident
prevention policy
➤
The roles and responsibilities of personnel involved
in the management of major hazards at all levels in
the organisation
15.15.4
Regulation 9 - On-site emergency plan
➤
Training needs of such personnel and the provision
of the training so identifi ed
➤
Identifi cation and evaluation of major hazards
➤
Procedures and instructions for safe operation,
including maintenance of plant, processes, equip-
ment and temporary stoppages
➤
Arrangements for managing change
➤
Procedures to identify foreseeable emergencies by
systematic analysis and to prepare, test and review
emergency plans to respond to such emergencies
All operators of COMAH sites must prepare an emer-
gency plan in consultation with:
➤
Employees
➤
The competent authority
➤
The emergency services
➤
The local health authority
➤
The local authority.
The plan must be written and should refl ect the following
principles. It must include:
➤
Procedures for the ongoing assessment of compli-
ance with the objectives set by the operator's major
accident prevention policy and safety management
system
➤
The organisational structure, responsibilities, prac-
tices, procedures, processes and resources for
