repalcing a damaged broken pole

Initials of Controller/Date (Draft Number) to ensure traceability

WORK INSTRUCTION

Reference: 34-107

Revision: 0

Effective date: FEBUARY 2006

Total pages: 8

Title: REPLACE A DAMAGED / BROKEN STAY INSULATOR (LINE DEAD CONDITION)

Revision date: FEBUARY 2009

TESCOD APPROVED COMPILED BY FUNCTIONAL RESP APPROVED BY AUTHORISED BY Signed _ _ _ _ _ _ _ E FRASER

Signed _ _ _ _ _ _ _ GPN KRUGER

Signed _ _ _ _ _ _ _ C SMITH

Signed _ _ _ _ _ _ _ MN BAILEY

Compiler "SC Chairperson" for TESCOD DTM for MD (D Div)

Content Page

1. Introduction. ...............................................................................................................2 2. Requirements.............................................................................................................2 3 Supporting Clauses....................................................................................................4 4 Authorisation ..............................................................................................................6 5 Revisions ...................................................................................................................6 6 Development team.....................................................................................................7 7 General Comments....................................................................................................7 8 Annex A - Impact assessment ...................................................................................8

REPLACE A DAMAGED / BROKEN STAY Reference: 34-107

INSULATOR (LINE DEAD CONDITION) Revision: 0 Page: 2 of 8

When downloaded from the IARC Web, this document is uncontrolled and the responsibility rests with the user to ensure it is in line with the authorised version on the Web.

1. Introduction.

This work instruction was compiled from the analysis that was done on critical tasks that are being performed when maintaining network equipment to identify risks and hazards attached so that they could be addressed or remedied.

This document states the procedure of REPLACING A DAMAGED / BROKEN STAY INSULATOR (LINE DEAD CONDITION) thereby ensuring that work is performed safely risks and hazards are minimised.

2. Requirements

2.1 Tools and Equipment

a) Standard tool set

b) Earth Resistance tester

2.2 Personal Protective Equipment

All personal protective equipment shall be in accordance with DISASAAT8.

2.3 Work Instruction

2.3.1 Pre-job Planning

NOTE: Ensure that the personnel are trained and competent to perform the task allocated to them and they familiars to the area or environment: Lack of knowledge (area, environment, equipment) will lead to damage to equipment and injuries to staff.

NOTE: Job pressure During planning it must be ensured that all parts of work are allocated time correctly to avoid unnecessary job pressures.

NOTE: Ensure that appropriate PPE and safety equipment are identified and inspected.

NOTE: Conduct a pre-use inspection on all equipment and tools before they are used and ensure that they are serviceable and of good standards.

NOTE: Substances which can contaminate the environment during maintenance must be identified i.e PCB oil contamination and PPE be provided for where risks and hazards could not be minimised or removed.

a) Do an assessment at the site to determine the scope of work and the resources that would be required (people, equipment, PPE, etc.) - also to determine the cause of loss, upgrade/down grade, cable fault etc

b) Plan work and resources required for the task

2.3.2 On Site Risk Assessment

NOTE: Perform a proper risk assessment before task commencement and continuously during task execution in accordance with the prescribed procedure.

a) Conduct an on site risk assessment prior to commencement of work and continuous during the task execution as per SCSPVACU1.

NOTE: Ensure good visibility with additional lights/lighting where necessary.

NOTE: Identify and analyse risks and hazards associated with the task, eliminate, minimise, develop measures against i.e. compile procedures or provide PPE to safeguard maintenance staff.

2.3.3 Worksite Preparation




NOTE: Commencing with work preparation before line has been handed over or permission has been given.

NOTE: Ensure live equipment is isolated and earthed in accordance with ORHVS and correct earthing methods are employed.

a) If required it should be ensured that live equipment/conductors are isolated, safety tested and earthed in accordance with ORHVS (ESKPVAEY6).

b) No work preparation should commence before line has been handed over (works permit) in accordance with the ORHVS (ESKPVAEY6) or authorised person supervising the task has given permission for task commencement.

NOTE: All steps as identified in analysis of HV Operating is applicable

NOTE: Correcting/repairing any identified defects or replacing substandard/unserviceable/incorrect tools, equipment or material.

2.3.4 Working Execution

2.3.4.1 Removal of stay insulator

NOTE: Use correct tools and equipment for task allocated.

NOTE: Falling equipment and tools on workers standing under person working in elevated position

NOTE: Ensure that working earth are recorded in the operating instruction and are removed as per regulations and plant is re-energised in accordance with ORHVS

NOTE: All steps as identified in analyses of working with and on extension/single ladders and operating a vehicle mounted crane is applicable

NOTE: All steps as identified in analysis of HV Operating is applicable

a) Do visual inspection on pole as well as stay rods.

b) Test pole according to procedure.

c) Position and secure ladder / bucket.

d) Secure pole before removing old stay insulator.

e) Place tools and equipment (snatch block and rope) in pouch.

f) Climb ladder / raise aerial device to working position, using fall arrest system according to procedures.

g) Secure snatch block.

h) By using a pulling device, slack tension on stay insulator.

i) Remove stay insulator

2.3.4.2 Install new stay insulator.

a) Install stay insulator

b) Slack pulling device and remove.

c) Inspect installation in accordance to construction specifications

d) Remove all tools and equipment.

e) Remove ladder from pole or lower aerial device.




NOTE: Never re-use guy grips

f) Ensure that plant is handed back where required and re-energised in accordance with ORHVS

2.3.5 Task Wrap Up

a) Remove all personnel, equipment and redundant material from site

b) Complete and submit required documentation

NOTE: Clean work area at the completion of the job because leaving off-cuts and material may result in injuries to the public/livestock and damage to the image of Eskom.

3 Supporting Clauses

Index of Supporting Clauses Content Page

3.1 Scope ............................................................................................................................... 4 3.2 Normative/Informative References................................................................................... 4 3.3 Definitions and Abbreviations........................................................................................... 5 3.4 Roles and Responsibilities ............................................................................................... 5 3.5 Implementation Date ........................................................................................................ 6 3.6 Process for monitoring ..................................................................................................... 6 3.7 Related/Supporting Documents ....................................................................................... 6 3.8 Forms and Records.......................................................................................................... 6

3.1 Scope

3.1.1 Purpose

The purpose of this document is to provide a person/s REPLACING A DAMAGED / BROKEN STAY INSULATOR (LINE DEAD CONDITION) with a step by step description of how to do the task, including the most critical hazards and technical specifications associated with the task.

3.1.2 Applicability

This Work Instruction is applicable to Eskom Holdings (Pty) Limited, it's divisions and wholly owned subsidiaries.

3.2 Normative/Informative References

Parties using this document shall apply the most recent edition of the documents listed below:

3.2.1 Normative References

The following document contains provisions that, through reference in the text, constitute requirements of this Work Instruction. At the time of publication, the edition indicated was valid. All controlled documents are subject to revision, and parties to agreements based on this Work Instruction are encouraged to investigate the possibility of applying the most recent edition of the document(s) listed below. Information on currently valid national and international standards and specifications can be obtained from the Information Centre and Eskom Documentation Centre at Megawatt Park.

OHSAct: Occupation Health and Safety Act 85 of 1993 and Regulations;




ESKPVAEY6: Rev 6, Operating Regulations for High Voltage systems;

DISASABW3: Rev 2, Distribution Standard On Fall Arrest Systems;

DISASAAT8: Rev 2, Provision and Use of Personal Protective Equipment.

SCSPVABB1: Rev. 1, Procedure for the application and maintenance of portable earths;

SCSPVABF4: Rev. 0, Procedure for Barricading;

SCSPVACK0 Rev 0, Identifying, Analysing, Documenting and Observing Dangerous/Hazardous tasks;

SCSPVACL6: Rev 0, Procedure For Using A Fall Arrest System; and

SCSPVACU1: Rev 1, Pre-task planning and feedback process.

ESKASAAW6: Rev 0, The use, care, maintenance and testing of high voltage operating sticks

SCSASAAZ9: Rev 0, Clearing and maintenance of servitude routes

SCSASABJ3: Rev 0, Lifting machine operators training

3.2.2 Informative

Not applicable

3.3 Definitions and Abbreviations

3.3.1 Definitions

All definitions in ESKPVAEY6 and OHSAct 85 of 1993 including the following are applicable:

a) Task Analysis: The systematic examination of all dangerous/hazardous tasks (work) in order to identify and quantify all the potential and existing inherent hazards that employees are exposed to while the tasks are being executed.

b) Risk Assessment: This process involves the combined functions of hazards identification, risk analysis, risk evaluation, determining the risk control strategy/s and the identification of the risk control measures that will be implemented during the task execution.

c) Dangerous/hazardous task: A specific element of work, which has produced and/or which possesses the potential to produce major loss or harm to people, assets, processes/production and/or the environment when performed properly.

d) Directive: A document which sets out a management objective, the appropriate policy if deemed necessary, as well as the functional accountability for activities to achieve that objective and the interface between functions affected by, or responsible for the execution of, such activities.

3.3.2 Abbreviations

a) PTO: Principal Technical Officer;

b) STO: Senior Technical Officer;

c) TO: Technical Officer; and

d) CCC: Change Control Committee.

e) PPE Personal protective equipment

f) ORHVS: Operating Regulations for High Voltage Systems

3.4 Roles and Responsibilities




3.4.1 Responsibilities

The designated person or his delegate shall ensure that this procedure is implemented and adhered to. The authorised / responsible person is responsible for the safe execution of all work and activities as set out in this procedure.

3.5 Implementation Date

The implementation date is 2006

3.6 Process for monitoring

Refer to SCSPVABE0.

3.7 Related/Supporting Documents

3.7.1 Related Documents

a) Specifications;

b) Critical task analysis; and

c) Training module.

3.8 Forms and Records

3.8.1 Forms and Records

The completed report shall be returned to the Work Management Centre together with the work order via Work co-ordinator.

The completed reports / forms must be returned to respective departments for record keeping.

a) Works order

b) Operating Instruction form / Workers register / Permit

c) Risk Assessment

d) In / Out commission sheet / Stores return

4 Authorisation

This document has been seen and accepted by: Name Designation

MN Bailey Corporate Manager Divisional Technology C Smith TESCOD GPN Kruger Study Committee DM Ntombela Compiler

5 Revisions

Date Revision number Notes FEBRUARY 2006 0 Original issue as 34-107




6 Development team

This work instruction was previously prepared by:

GPN Kruger (Chairperson) F S O Western Region

WC Dick F S O North West Region

DJ Strauss T S O Western Region

DFB Ltter F S O Western Region

JE van Wyngaard F S O Southern Region

JJB Uys T S O North Western Region

GC Snyman F S O Central Region

JJN Steenkamp F S O Central Region

HJ Martens T S O Western Region

MJ Mogale F S O Northern Region

E Fraser F S E North West Region

DM Ntombela S Tech IARC-DTEP

PA Pretorius MEW Central Region

R Harburn F S O Easter

T Barnard Risk Analyst Southern

7 General Comments

Not applicable




Annex A (Informative)

8 Annex A - Impact assessment

Impact assessment Document title: REPLACE A DAMAGED / BROKEN STAY INSULATOR

(LINE DEAD CONDITION) Document no: 34-107 Revision no: 0

Activity Detail 1. What training is required to implement this document?

(e.g. Awareness training, practical / on job, module.) Practical / on job / module

2. Who will require training? (State designations.) PTO 3. What prerequisites are needed for students? PTO / STO 4. What equipment will be required for training? (Computers etc.) Working Earth, Link stick, Vehicle

mounted device, Standard tool Set etc.

5. What special tools will be required for training? None 6. What special requirements are needed for the trainer? SME 7. Time period for training to be completed? As per Training Module 8. What special tools / equipment will be needed to be purchased by

the Region to effectively implement? None

9. Are there stock numbers available for the new equipment? N/A 9. Does the document affect the budget? No 10. Time period for implementation of requirements after training is

completed? As per Regional CCC procedures

11. Does the Buyers Guide or Buyers List need updating? No 12. What Buyers Guides have been created? None 13. Was Training & Development consulted w.r.t training

requirements? Yes

14. Were the critical points in the document determined? No 15. Is any training material available on the subject in this document? No 16. Was the document SCSPVABE0 adhered to? Yes Total implementation period Total training cost Total cost of tools / equipment Total cost involved Comments:

Assessment Compiled by: Recommended by (Functional Responsibility): Name: HJ MARTENS / David

Ntombela Name: Nico Kruger

Designation: TSO / Senior Technician Designation: FSO Dept: FS WR / DT Dept: Technical Support Western Region Date: 03/01/06 Date: 03/01/06