Post on 26-Mar-2020
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PIERCE & ASSOCIATES
Eur Ing Anthony D. PierceBSc (Hons), C.Eng. FIET, SrMIEEE
Senior Partner
Engineering Consultants &
Training Specialists
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History
of
Live Working
in the
United Kingdom
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Progress
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• outages exceeding 4 hours considered totally
unacceptable
• top class service 1½ - 2 hours
"Supply reliability is seen as a high priority
by customers for them to class the service
they receive as high quality"
Market Research
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Electricity at Work Regulations
No person shall be engaged in any work activity on or
so near any live conductor (other than one suitably
covered with insulating material so as to prevent
danger) that danger may arise unless –
(a) it is unreasonable in all the circumstances for it to be
dead; and
(b) it is reasonable in all the circumstances for him to be
at work on or near it while it is live; and
(c) suitable precautions (including where necessary the
provision of suitable protective equipment) are taken to
prevent injury.
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Rubber Glove Working
• quality of life - better body mechanics
• easier = higher productivity = savings
• more flexible - tasks including faults
• manual handling
• utilisation of personnel
• reduced team sizes
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Typical Task Times (hrs)
T a s k M i n u t e s
C h a n g e n e a r p h a s e p i n i n s u l a t o r 1 0
C h a n g e n e a r p h a s e t e n s i o n i n s u l a t o r 2 5C h a n g e 3 - p h a s e c r o s s a r m 6 0
I n s e r t 3 - p h a s e t e m p o r a r y s e c t i o n 4 0A i r B r e a k S w i t c h r e p l a c e m e n t 1 2 0
R e p l a c e D r o p o u t e x p l u s i o n f u s e m o u n t 1 5I n s t a l l 3 - p h 5 0 k V A t r a n s f o r m e r 6 0
C h a n g e p o l e 7 5
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History of Glove Working
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History of Glove Working
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History of Glove Working
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Principles of Rubber Glove Working
Insulate
&
Isolate
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Insulate
1st point of contact
is the point where current enters the body
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Personal Protective Equipment
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Insulate
2nd point of contact
is the point where current leaves the body
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Rubber Protective Equipment
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Rule of Covering
• Correct classification
• First on – last off
• Work Area
• Rubber to rubber
• Brush contact
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Isolation
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Isolation
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Typical UK Tasks
• Pin insulators
• Tension insulators
• Fuse mounts
• Crossarms/configuration
• Pole changes
• Air break switches
• Reclosers
• Transformers
• Install/remove sections
• Jumper repair/cutting
• Conductor repair
• Surge arrestors
• Sectionalisers
• Bird divertors
• Tree work
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Engineering Consultants
& Training Specialists
Pierce & Associates