Report on projects
Addendum to ESLCMarch 2010 report
Status Report Key
The status of all documents is indicated by the following code is reported on the right-hand side.
Key / Description1 / Investigation and project confirmation by ESLC
2.n / WG draft stage. n =Draft No.
3 / WG & ESLC Approval and editing stage
4 / Published – released by SABS and on NRS website
W / Withdrawn
S / Suspended or On-hold
[x/y:p/q,r/s] / x/y = Date commenced
p/q = Programmed date of publication
r/s = revised date of publication
d.o.p. / Date of publication
1
NRS Projects
NRS 000 - NRS DefinitionsPart 1: 2008 Compilation
Chairperson: N/A - Project Leader: Alvin Fredericks
2008 version Published – On going / Status 4 [11/05; 03/09]
NRS 002 - Graphical symbols for electrical diagrams
Chairperson: N/A - Project Leader: Makhosazana Mkongi (IARC)
Comparison of NRS 002 with IEC 60617 is being done to establish if there is a need to review NRS 002/ to use IEC document instead. / Status 1 [01/05; 11/05]
NRS 011 - Pilot cables
TESCODSC looking into this.
NRS 029 - Current Transformers
Chairperson: G Strelec (Eskom) - Project Leader: Makhosazana Mkongi
Comments by members were put onhold since there is further work required to be done on these documents, this was noticed on the Dx and Tx international tender enquiry feedback, and next work group meeting will be on the 11 March to discuss this. / Status 2.n [08/07; 11/09]
NRS 030 - Voltage Transformers
Chairperson: G Strelec (Eskom) - Project Leader: Makhosazana Mkongi
See 029 above. / Status 2.n [08/07; 11/09]
NRS 034 - Guidelines for the planning of electricity distribution networks
Parts 2 and 3
Chairperson: M Hyde (City of Cape Town) Project leader : Makhosazana Mkongi
No change / Status 1 [08/07:11/08]
NRS 037 - Telecontrol protocol
Chairperson Mervyn GiddeyProject leader: Paul Johnson
Part 2 Integrated substation control (ISC)
A workshop has been scheduled for 17 March 2010, to consider the scope of the proposed NRS 037 part 2.The need for a guide to the application of IEC 61850 has been indicated by several parties. / Status 1
NRS 040 - Network Operating
Chairperson: Koos Kraft (Eskom) - Project Leader: Koos Kraft (Eskom)
NRS 040-2 - Part 2 Voltage Colour Coding For Diagrammatic Displays In Control Room - Colour Coding For Wall-Mounted Operating Diagrams And Electronic Displays Relating To The Generation, Transmission And Distribution Of Electricity
Part 2 is due for its 5 year review. There is a need for changes to the document. The main title will also be changed to align with the other parts. The NRS 040 WG to provide experts for an adhoc team to review this part - No change since last ESLC meeting. / Status 1 [05/07:05/08]
NRS040-3 - Part 3 High-voltage operating regulations
To be published / Status 3.0 [08/05:11/06]
NRS040-4 - Part 4 Recommended model for the training, competency assessment and authorisation of the electricity supply industry for network operations
To be published / Status 3.0 [08/05:11/06]
NRS 040-5 - Part 5 Standard procedure and terminology for the issuing of operating instructions
Final version sent to SANS to be published. / Status 3.0 [08/05:11/06]
NRS 040-6 - Part 6 Earthing code of practice
Published. / Status 4 [08/05:11/06]
NRS 041/ SANS 10280 - Overhead power lines for conditions prevailing in South Africa
Chairperson: Rob Stephen (Eskom) - Project Leader: Vishal Sewchand / Status 2.3 [08/05:11/06]
NRS 041-1 / SANS 10280-1 - Amendment: Overhead power lines for conditions prevailing in South Africa Part 1: Safety Edition 2
Held WG meeting on 25 and 26 January 2010 to discuss draft. Task teams were formed at meeting to amend text and give clarity on outstanding issues. Draft resent to WG for comment. / Status 2.3
[08/05:06/10]
NRS 041-2 / SANS 10280-2 - Overhead power lines for conditions prevailing in South Africa Part 2: General Design considerations
Draft 2 awaiting development pending the completion of the amendment of SANS 10280-1. / Status 2.2
[08/05:11/0911/10]
NRS 047- Quality of Service
Chairperson Dirk Byker (Tshwane) ……………….. Project Leader: Alvin Fredericks
Part 1 – Minimum requirements
The WG will be reconvened to consider a revision of NRS 047-1 as proposed by Eskom Distribution / Status 2.3 [02/07:04/09]
NRS 048 Quality of supply
Chairperson: Tony Dold (eThekwiniMunicipality) - Project Leader: Paul Johnson
NRS 048-7 – Application practices for end customers.
The current draft, which was reviewed by a task team in Jan 2010 is being prepared for circulation to the WG for vote later in March 2010. / Status 2 [ 02/06:06/09]
NRS 048-9–Load reduction practices, system restoration practices, critical loads and Essential load requirements under system emergencies
The ESLC vote closing date was 11 February 2010. The final edit has been prioritized and completed, and the ESLC vote summary is attached. Ready for publication. / Status 3[02/09:08:09]
NRS 049 - Advanced metering Infrastructure REVIEW/REVISION
Chairperson: to be proposedProject leader: Paul Johnson
- Legal challenge: Since the judgement in Dec 2009, that upheld the process of developing NRS 049 as fair, there are no further developments reported from the legal advisors.
- A WG meeting has been scheduled for 9 March 2010, to consider a) an amendment to NRS 049 first edition, for which a draft has been prepared and circulated, and b) a new part covering ‘smart prepayment systems. It is understood that the inclined block tariffs as announced by NERSA could have a bearing on the requirements specified in NRS 049, which current requires ToU tariffs to be supported (ref DoE Regulation 773, 2008)
NRS 052 - Photovoltaic Systems For Use In Individual Homes
Chairperson: L Drotsche (Eskom) Project Leader: Vishal Sewchand
Addressing technical review and work group vote comments on documents viz. NRS 052-1, NRS 052-2-1, NRS 052-2-2, NRS 052-2-3, NRS 052-2-4, NRS 052-2-5 and NRS 052-2-3. Resent note to WG members (who had not responded earlier) to forward their work group vote forms so as to obtain the required vote percentage for consensus. / Status 3 [ 02/07:06/09]
NRS 052-1 PART 1: Standardized Requirements Applicable To Individual Homes Remote From The Electricity Grid
NRS 052-2 SERIES – Photovoltaic Systems For Use In Individual Homes - Part 2: Test Procedures For Main Components
NRS 054 - Power transformers
Chairperson: P Busch (Eskom) Project Leader: Vishal Sewchand
Addressing further comments received on Draft 1 from manufacturers. P Busch has taken over from C Clark as new chairman and is currently reviewing the draft. / Status 2.1 [ 02/06:04/07; 11/09]
NRS 055 - Revenue protection
Chairperson: D Byker (Tshwane) Project Leader: Alvin Fredericks
The next WG meeting is on 18 March 2010 / Status 2.3 [08/09: 04/10]
NRS 059- Theft of neutral earthing copper
Chairperson: to be confirmed Project Leader: Alvin Fredericks
Reconfirmed and published / Status 4 [08/09: 04/10]
NRS 061-3 - Specification for overhead groundwire with optical fibre.
Chairperson: - Project Leader: Vishal Sewchand
Part 3 system specifications to cover all hardware (standardize on 4 sizes of cable, include fittings). Eskom is developing a doc on this. Awaiting Eskom specification. No change / Status S [05/05:03:06]
NRS 062 & NRS 063 - Concentric and Split Concentric cables
The test requirements for bending and adherence which are required by the ESLC, are not included in SANS 1507-6 (adoption of NRSs 062 and 063). STANSA is to propose to their TC that these tests should be included in SANS 1507-6. / StanSa Project
NRS 079 – Standard For Mineral Insulating Oils (Uninhibited)
Chairperson: Tom Dalton Project Leader: Makhosazana Mkongi
Part 1 was amended upon proposals from the National Insulating Oil Steering Committee to include both inhibited and uninhibited insulating oils. The final, which was approved by Eskom is now being developed as an NRS specification. WG to be reconvened. / Status 1 [09/08: 06/09]
Chairperson: Tom Dolton Project Leader: Alvin Fredericks
Part 2: Guidelines for the management of insulating oil
In view of the amendment of part 1, publishing this document has been delayed in order to ensure that it aligns with part 1. / Status 3.0 [08/07: 03/08]
NRS 083 – Code Of Practice For The Application Of Electromagnetic Compatibility (EMC) Standards And Guidelines In Electricity Transmission And Distribution Networks
Chairman: None Technical Writer : Bart Druif Project leader: Vishal Sewchand for Part 4
Part 2: Installation practices:
After initial publication in Nov 2009, some technical errors that were introduced during the final edit were identified. These have been corrected and part 2 was reissued in February 2010 / Status 4
Part 3: Equipment installation in substation rooms: Illustrations.
After initial publication in Nov 2009, some technical errors introduced during the final edit were identified. These have been corrected and part 3 was reissued in February 2010 / Status 4
Part 4: Comments from WG meeting on 17 September 2009 are currently being addressed. Still awaiting comments from some work group members. Next stage will be to prepare draft to be sent for work group vote and technical review. / Status 2.1 [03/09;03:10
07/10]
NRS 085 - Management Of PCBs
NRS 085-1 - Polychlorinated biphenyls – Guidelines to develop a phase-out plan
Chairperson: Annalie Lombard Project Leader: Alvin Fredericks
Suspended / Status S [10/04: 05/05]
NRS 085-2 - Guidelines for disposal
Chairperson: Annalie Lombard Project Leader: Alvin Fredericks
Suspended / Status S [10/04: 05/05]
NRS 086 - Demand side management (DSM) interventions – Code of Practice
Chairman: P Vermeulen (City Power) Project leader: Paul Johnson
ESLC vote closed 11 December 2009. Approved, waiting final edit and publication / Status: 3
NOTE in abeyance from march 2007 to Sept. 2008
NRS 088-1 - Single mode optic fibre duct cables
Chairperson: D C Smith Project Leader: V Sewchand
Part 1: Product Specification
Published.
Part 2: Installation guidelines
Published / Status 4
[06/07:08/08;04/09]
NRS 089 - Maintenance of Electrical Network (Interim)
Chairperson: David Ntombela Project Leader: Makhosazana Mkongi
NRS 089-1 - Power Cables
2nd Interim published in 2007.No change. / Status 3.1 [02/06:02/07]
No change
NRS 089-2 - Overhead Distribution Systems
NRS 089-2-1 - Overhead lines
Sent for WG vote during January 2010
NRS 089-2-2- Inspection and supplemental treatment of treated wood utility poles
Sent for WG vote during January 2010
NRS 089-2-3 - The manual replacement of a rotten wooden pole structure
Sent for comments
NRS 089-2-4 - Clearing and maintenance of servitude routes
Sent for comments
NRS 089-2-5 - Insulators
Document reviewed by work group. / Status 3.1 [02/06:02/10]
NRS 089-3 - Substations
NRS 089-3-1 - Substations: General
NRS 089-3-2 - Substations: Power Transformers, circuit breakers, isolators and instrument transformers.
NRS 089-3-3 - Miniature substations, Distribution transformers and electrical enclosures
Published / Status 4 [02/06:02/10]
NRS 089-4 - Control Plant
2nd interim still to be published / Status 2.1 [02/06:02/07]
No change since the last ESLC.
NRS 089-5 - Streetlighting and Highmasts
NRS 089-5-1 - Maintenance planning for street-lighting
Published / Status 4[09/06:07/09]
NRS 090- Maintenance Work Execution
NRS 090-1 - The Jointing And Termination Of Mv And Lv Cables
To be replaced by SANS.
NRS 090-2-1 - Installation Of Line Surge Arresters Up To 33 Kv
NRS 090-2-2 - Installation Of Double Metal Oxide Surge Arresters Up To 33 Kv
Discuss with WG possibility of withdrawing and cancelling as a result of Eskom standards being made available.
NRS 090-3 - The Installation Of A Mobile Substation.Vinod to discuss with David Ntombela / Status S [02/05:02/07]
Onhold
Status S
Onhold
NRS 091 - Guidelines for Safety
Chairperson: Koos Kraft (Eskom) Project Leader: Koos Kraft (Eskom)
This document will have about 6 parts. Part 3 1st draft was completed on the 18 Feb and was sent to WG members for comments. Drafting of the next part will commence on the 16 and 17 March (WG meeting) / Status 2.n [12/05:02/10]
NRS 092 - Guidelines for the construction of Overhead Lines
Chairperson: Itumeleng Gamede (City Power). Project Leader: Ishmael Ledingwane (Eskom)
Awaiting publishing at SABS. / Status 3 ( 15/10/2007)
NRS 093 - Guidelines for the Management of Electricity Network Assets.
Chairperson: Andre Bekker Project Leader: Alvin Fredericks.
Part 1 has been published
It was agreed that part 2 which deals with Guidelines for implementation will be considered after parts 3 and 4 (Financial Management and Information requirements respectively).The meeting scheduled for 2 March 2010 was cancelled due to inter-departmental QMS audits. / Status 4 [02/06:02/09]
Status 2.3 (05/09: 03/10)
NRS 094 - Broadband Power Line Telecommunications for Distribution System Operators
Chairperson: Roland Hill Project Leader: Alvin Fredericks
Draft 4circulated to WG. The next meeting is scheduled for 17 March 2010. / Status 2.4 [08/06:08/07]
NRS 096-2 – Electricity Metering – Ancillary Specifications: Part 2 Standard test block connections for electricity metering
Published. / Status: 4.1 [11/07: 04/09]
NRS 097 - Grid Interconnection for embedded generation (EG)
Called for nominations for the WG and background information circulated to the ESLC on 24 Oct. 2008
NRS 097-1 - Distribution standard for the interconnection of EG
Part 1: HV and MV
Chairperson: tbc Project leader: Vishal Sewchand
Draft 1 was sent to WG members for comment. / Status 2.1 [10/08: 12/09]
NRS 097-2-1 - Grid interconnection of small scale embedded generation
Part 2: Small-Scale EG: Section 1: Utility Interface
Chairperson: Dr Gerhard Botha Project Leader: V Sewchand.
Sent for ESLC vote and language edit. / Status 3 [10/08:03/10]
NRS 998 - Technology Standardization Framework.
Project Leader: Vinod Singh
No change from previous ESLC meeting / Status 1 [12/07:12/08]
NRS 100 – Corrosion protection
Project Leader Khosi Mkongi
CANCELLED BY ESLC DUE TO LACK OF EXPERTS IN THE MUNICIPALITIES
NRS 101 – Theft of non ferrous metals
Chairperson Rens Bindeman Project Leader Alvin Fredericks
Three WG meetings have been held and the next meeting is on the 19 March 2010 / Status 2.2
Underground Distribution
SANS 1029/NRS 004 - Miniature substationsChairperson: To be decided - Project Leader: V Sewchand
NRS 004 was sent for publication / Status 3 [02/06; 04/09]
SANS 1874/NRS 006 - Metal-enclosed ring main units for rated a.c. voltages above 1 kV and up to and including 24 kV
Chairperson: Lenny Govender - Project Leader: V Sewchand
Published. / Status 4 [02/06; 04/09]
NRS 012 - Cables Terminations and live conductors within air-insulated enclosures
Chairperson: R Kelly (Eskom) - Project Leader: V Sewchand
Published. / Status 4[02/06:03/09]
NRS 028 - Cable Lugs And Ferrules - For Copper And Aluminium Conductors
Chairperson: - Project Leader: V Sewchand
On Hold. The cables WG will review this specification. / Status 1[11/05:12/06]
NRS 053 - Accessories for medium-voltage power cables (3,8/6,6 kV to 19/33 kV
Chairperson: R Kelly (Eskom) - Project Leader: V Sewchand
Published / Status 4[ 02/06:04/07]
NRS 067 - Compact cubicle, fixed pattern, switchgear for rated a.c. voltages….
Chairperson: - Project Leader: V Sewchand
NRS 067 has been withdrawn due to the publication of SANS 1885/NRS 003. / Status W
NRS 074-2 - LV cables installation guidelines Part 2: Accessories
Chairperson: R Kelly (Eskom) - Project Leader: V. Sewchand
Work group meeting to be convened to address comments received on Draft 2. / Status 2.2 [08/08:08/10]
NRS 095 - Standardized Concrete Plinths for Minisub stations and Ring Main Units
Chairperson: Rhett Kelly (IARC) Project Leader: Vishal Sewchand (IARC)
Work to commence soon as NRS 004 has been sent for publication. / Status 2.1 [08/06:08/07]
NRS 099 - Medium Voltage Bulk Meter Kiosks (BMKs)
Chairperson: Rhett Kelly (IARC) Project Leader: Vishal Sewchand (IARC)
A work group meeting to be held on 26 March 2010 to address comments received on Draft 2. / Status 2.2 [06/09:11/10]
NRS 075 - Mechanical Torque Shear Connectors
Chairperson: P O’Halloran (CityPower) Project Leader: Vishal Sewchand (IARC)
WG meeting was held on 12 March 2010to address comments received on Draft 1. / Status 2.1 [06/09:11/10]
**** PIESA 003-3 published in 2002 (due for review) is a code of practice for the installation of LV cables, and was written around SA practices at the time. It could be considered as the basis for NRS 074-2. Suggest thatPIESA representatives be invited to be corresponding members of the
Metering
Chairman [see NOTE] PLs: Alvin Fredericks and Paul Johnson [part 9 & part 6-10 only]
NOTE The NRS 009 WG chairman position is vacant. With the adoption of all parts as dual numbered standards, it is proposed that the SANS 1524 WG will take over the NRS 009 WG activities and that the NRS 009 WG is disbanded. Alvin Fredericks (NRS PMA) is the convenor of the SANS 1524 WG
SANS 1524-1 - Electricity payment systems –Part 1- payment meters
Meeting held on 12 May 2009. Final draft of edition 5 was approved with some changes. All parts of 1524 have been submitted to SABS for editing.These include
the following:
SANS 1524-1-1; 1524-1-2; 1524-4; 1524-7 and 1524-8
NRS 009 – X Split prepayment metering.
Eskom is gathering information from suppliers –eThekwini have some information to share. Agreed that WG will wait for Eskom to develop a spec and offer this to the NRS 009 WG. / Status 1[08/06:12/07]
NO ACTIVITY
NR 009 part 6 – Interface standards
The publication of IEC standards covering the STS as developed in SA has triggered the need for some existing sections of NRS 009-6, and other parts to be revised or withdrawn, and integrated with the SANS 1524 series. A plan has been developed in conjunction with SABS TC 62 and the STS Association.
NRS 009-6-10Interface standards, On-line vending server –vending clients
Approved by ESLC in 2009. Waiting final edit and publication as a dual numbered standard. NO CHANGE since previous report [previously released to industry on NRS website as a draft for trial use.] / Status 2
Status 3
NRS 009 part 9 – Code of practice for the application of electricity sales systems
Approved by ESLC in Feb 2009. Waiting final edit and publication as a dual numbered standard. NO CHANGE since previous report / Status 3[07/07; 06/08]
1