Confined Spaces
Section 11 Plant and Equipment
Section 11 Plant and Equipment
Reference should be made to Common Elements and requirements,
which may supersede some parts of this Section.
11.1
SAFE ACCESS
11.1.1
Openings affording safe access to confined spaces, and through divisions,
partitions or obstructions within such spaces, need to be sufficiently large
to allow the passage of persons wearing the necessary protective clothing
and equipment, and to allow access for rescue purposes.
11.1.2
Experience has shown that the minimum size of an opening to allow
access with full rescue facilities with self contained breathing apparatus is
575mm diameter.
11.1.3
Different criteria apply when the critical entry dimensions extend over a
significant length or height.
11.1.4
In the case of a shaft containing a ladder or step irons, 900mm clear space
between the ladder/steps and the back of the shaft may be required.
11.1.5
Persons should not normally enter sewers, pipes, culverts, etc. with
dimensions smaller than 0.9m high by 0.6m wide.
11.2
PERSONAL PROTECTIVE EQUIPMENT
11.2.1
Respiratory protective equipment (RPE) provided or used for, or in
connection with confined space entry, shall be suitable for the purpose, ie.
correctly selected and matched both to the job and the wearer.
11.2.2
Ropes, harnesses, lifelines, resuscitating apparatus, first aid equipment,
protective clothing and other special equipment provided or used for, or in
connection with confined space entry or in case of emergency or rescue,
must be suitable for the purpose for which they are intended and account
taken of recognised standards where these exist (BSI/CEN).
11.2.3
Standard Personal Protective Clothing and Equipment should include the
following to the latest British or European Standard:
n
Safety Helmet
n
Overalls (anti static)
n
Safety Harness
n
Waterproof gloves
n
Safety Footwear with safety toe caps (may have non spark studs).
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April 2005
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