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L Line S p e c i s PIERCE & ASSOCIATES P s i e e t r c e...

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L i v e L i n e S p e c i a l i s t s P i e r c e & A s s o c i a t e s PIERCE & ASSOCIATES Eur Ing Anthony D. Pierce BSc (Hons), C.Eng. FIET, Sr MIEEE Senior Partner Engineering Consultants & Training Specialists
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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


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