A Brave New Age – Steel Fabrication into Industry 4.0

by Kevin Harris, Fabsmart

In the course of my work, I am fortunate to get an insider’s view of many steel fabrication operations in South Africa and what I have seen is that there are as many fabrication strategies as there are fabricators. Each fabricator has their own philosophy on pricing, drawing management, procurement, part processing, and assembly production and it has become clear that the old tried and tested fabrication methods are fast becoming outdated. One of the key differences between fabricators in this spectrum seems to be the company’s appetite for technology adoption. On one end of the spectrum, companies opt for a low tech, high labour approach where the methods are manual and labour intensive and on the other end, companies opt to invest large amounts of capital in cutting edge software and hardware where many of the processes become automated and less labour intensive. There are many factors that dictate which end of the spectrum a fabricator places him or herself and while there are no right or wrong positions, fabricators need to be clear about what they are trying to achieve. One thing that is becoming increasingly clear however is that fabricators on the low-tech side of the spectrum are starting to realise that they are falling behind, and some will not have the knowledge or capital to catch up. Its not all doom and gloom though and there are always solutions.

Specialised fabrication software and intelligent CNC machines were the first wave of fabrication technology improvements and in the last 10 years, we have seen levels of adoption where almost every fabrication shop is using software and CNC machines to some degree or other. For many, this would be a nesting program and a simple 2D plasma plate profiling machine and for others, this would be a sophisticated robotic system capable of programming itself. While for most, 3D modeling software isn’t new, downstream software to manage the rest of the process is still relatively unexplored. Depending on the fabricator’s strategy, it might be feasible to bypass the NC equipment stage because there is such high adoption in the supply chain, but it will not be possible to avoid implementing good software and I would urge fabricators in this scenario to think carefully about their plans.

The next wave of significant change in this industry is just starting to become visible. IoT or Internet of Things and its Industrial subset IIoT, is being referred to as the 4th Industrial Revolution or Industry 4.0 (after steam, electricity, and computers) and will become a major topic of discussion in the next decade. Adoption in agriculture and security is already significant but in our specific field of steel fabrication, it is a little behind the curve. IoT is essentially a name for internet connected devices that perform a specific task and then send their data to a cloud-based platform. This platform could either simply report that information back to a user via an app or message (SMS or email) or could trigger an automated workflow for that business. Let’s use an industrial example: A maintenance manager places an internet connected temperature probe onto a critical motor. The sensor takes readings at predefined time intervals and then transmits this data to a cloud platform. This platform then compares the reading against a pre-set range and when the reading falls outside of that range, the system can either send the maintenance department a message telling them that it is time to service the motor or it could be linked to another system (ERP such as SAP, SYSPRO etc) that automatically generates a works order for a maintenance technician or subcontractor. The data is also reported in real time via an app or desktop dashboard.

Industrial applications are very broad and varied and limited only to the imagination and knowledge of the client. Process variables such as voltage, current, level, pressure, light, level, noise, pH and many others can be used to create highly useful process dashboards and can effectively and efficiently automate significant portions of any process.

The kicker here is that companies with a low technology adoption rate will struggle to take advantage of this new wave of technology because they’re not yet tech-enabled. In order to leverage this new field of knowledge, it will be necessary for fabricators to at least have started to build a culture that is open to experimenting with new methods.

Let’s be clear though that these technologies are not implemented for their own sake but to solve fabrication problems. Before undertaking any technology development project, it is essential to think critically about what problem you are trying to solve. Buying software and collecting data for the purposes of producing a smart dashboard is useless if it doesn’t contribute to the elimination of constraints or risks in the process. By taking the time to properly consider your strategy (i.e. where you want to be in the spectrum described earlier) and identify the obstacles that prevent you from getting there, you might come to realise that there are solutions available that fit your organisation and don’t require massive cultural shifts or financial investments. For those that embrace it, IIoT will usher in a host of interesting and useful applications that will enable you to run a sharper, leaner and higher quality fabrication business.

Kevin Harris is Managing Director of Fabsmart and has a particular interest in technology and organisational effectiveness. He has 25 years of process engineering and high-level management experience in steel fabrication and other manufacturing industries.

Unpredictability: The New “Normal”?

Unpredictability appears to be the new normal. This may have been the most important lesson of 2018. For instance who would have thought that removing international sanctions from Sudan and Zimbabwe would lead to their economic and political collapse?

As professionals, many of us are very much into data collection, analysis, and forecasting. Our era may then very well be coming to an end. This unpredictable era suits those who are pragmatic and very responsive to changes in their environment.

If it is not possible to reasonably predict the future then how does one make plans? For instance, how would a steel mill decide where to deploy capital if it cannot predict the volume and nature of future demand? Merchants, fabricators, and consultants who have relatively lower investment requirements face similar problems.

If Zimbabwe’s political crisis deepens the most important role for architects, engineers and fabricators would be to come up with quick deployment resting places for potential refugees. Moreover, food, water and sanitation requirements at camps could become extremely urgent. But how is a company executive to know that catering for refugees – rather than diamond mines – would be the next major demand. Even the South African government with all its resources does not seem to have anticipated the situation in Zimbabwe.

Deployable module, image source: http://www.arquitecturaviva.com/en/Info/news/details/8019
Deployable module, image source: http://www.arquitecturaviva.com/en/Info/news/details/8019

The answer may lie in reconfiguring ourselves and the companies in the industry to promote innovation and responsiveness. If an industry or firm adopts an attitude of tracking emerging needs and innovating consistently then it would be able to respond quickly to new and even unusual demands.

This will likely require a major shift in priorities for our industry members and associations. The first challenge will be to recognize that investment in people is significantly more important than in machines or other technology. This goes against the grains of most current management methods.

We are more likely to celebrate the newest imported fabricating machines and artificial intelligence gadgets – themselves products of prior innovation – than we are to support investment in key innovators in our own industry. Many of our industry members do not have experienced engineers within their companies. Our industry associations do not have architects who can plan and design emergency camps and settlements.

The underlying assumption is that our role is to produce standard products, and innovation is for others. Unfortunately, the competition is merciless and the environment too dynamic for us to focus on producing the same products and services for very long.

A company in Germany is unlikely to respond to a refugee crisis in Zimbabwe by asking South Africans to solve the problem. They will more likely solve the problem in Germany and sell their products to South Africa from Europe. If so then we either need to invest in innovation in our own backyard to compete or find ways to partner strategically with such innovative foreign companies so that we can absorb their culture through collaboration.

Deployable module, image source: http://www.arquitecturaviva.com/en/Info/news/details/8019

2019 will likely be less predictable than 2018. An attempt to plan for the year using historical data and standard forecasting methods is highly unlikely to work. A better approach may be to anticipate that we probably face several years of unpredictability and reconfigure ourselves to be able to respond quickly to sudden changes.

Construction Bolting: 10 Years On

By R J Pietersma, CBC Fasteners (Pty) Ltd

The use of construction bolt assemblies in terms of the new standard EN14399 has been underway for the best part of nearly ten years now. It has been a steep learning curve, to say the least. This article is to share some insights into technical jargon and risks.

Are South African Manufacturers geared up?

Up until the new power station builds very few construction bolts were being installed, hence there was a general lack of awareness and capability. This was on many fronts and not just bolting.  Medupi and Kusile changed this and it has clearly been established that design engineers, manufacturers and construction companies had a long way to go to catch up with developments internationally and best practice standards. This includes bolting amongst a whole range of other requirements.

Experience tells when choosing the construction bolt route, the first call is a manufacturer capability study with an audit of the production processes, quality system and compliance with ISO 898-1&2 as well as with all the requirements of EN 14399 and most importantly, EN14399-2. Unfortunately, in practice, bolt and nut assemblies still continue to be a last minute panic purchase.

SANS 10094

SANS 10094, the standard dealing with Construction Bolting has recently been updated and approved. This standard does not recommend grade 10.9 Hot Dip Galvanised (HDG) bolts because of the risks of HE or HisCC.  Nevertheless, in practice, there is still a call for this product. The risk can be controlled by the manufacturer avoiding acid contact and further controlling excessive hardness levels at the upper limit of grade 10.9.  Further risks associated with undue stressing of grade 10.9 HDG bolts will be avoided if good installation practice is adopted.

EN14399-3 (grade 8.8 and 10.9) vs.EN14399-4 (grade 10.9 only)

Why a universal standard is not adopted is a puzzle. Clearly, there were principles that were not negotiable which has led to two possibilities. The historical position has largely been maintained in that the EN14399-4 nut (previously DIN 6915), has a lower height. The intended reason is that the nut threads should fail first (not guaranteed) in the event of over tightening, purposefully avoiding a sudden bolt fracture, with installer safety being compromised. Usual construction practice is that one would like to see the bolt fail in the event of over tightening because one would know it had occurred, whereas with thread failure, this may not present immediately and a future calamity may be lurking when the right conditions prevail.  In South Africa, SAISC and SANS 10094 recommends the use of EN14399-3 in grade 8.8 and 10.9. Shear through threads is allowed whereas in EN14399-4 there is a shorter thread and the shear plane is through the shank of the bolt.

Whatever the bolt & nut assembly used, once pre-loaded and subsequently removed, they cannot be re-used. The reason is that the threads may have been subject to plastic strains during tightening.

1. Nut is galvanised however the galvanised appearance has been offset by the Mos2 coating 2. Note product ID on Bolt, 7024
1. The nut on left has been galvanised, designated by “Z” behind grade 10 2. Nut on right is not galvanised, apparent similar appearance is from Mos2 lubrication coating. 3. Note product ID, 716 on left nut and 117 on right nut.

The myth of Torque vs. Tension

The talk is always about torque, whereas the objective is clamp, a spring condition holding surfaces together.  Torque (or the torsional rotation effort) is merely the means to getting to the correct clamping force. This whole process would be simple were it not for the introduction of friction. When tightening a bolt and nut assembly, 50% of the effort is as a result of friction between the nut and washer face, 40% is in the thread contact and a mere 10% of the effort is creating the clamping force. This friction can vary. In a rusted bolt and nut (B&N), coefficient of friction it is as much as 0.35, in a un-lubricated hot dipped galvanised B&N is starts at 0.19 and increases up to 0.27 as additional torquing takes place.  With molybdenum disulphide lubrication (MoS2), coefficient of friction is between 0.10 from 0.16. So, by way of example, in the case of torquing an M20 bolt at 464 Nm with a coefficient of friction of 0.14, clamping force of 127kN is achieved; when the coefficient is 0.10, less torque of 363Nm will achieve an increased clamp load of 134kN.

This leads us to the next important point; The lubrication of nuts.         

Pre-lubricated nuts with molybdenum disulphide (MOS2)

There may be a misconception since there has been so much talk and use of pre-lubricated nuts that this is a new standard requirement. Whilst we recommend pre-lubricated nuts for the reason there is a tested coefficient of friction that can be relied upon, this is by no means a general requirement. EN14399 specifically makes reference to surface finish as processed, meaning lightly oiled, or as agreed between purchasers and manufacturer. Nevertheless, appropriate lubrication is required during installation, particularly with HDG bolts. In the case of no lubrication, galling will take place and in laboratory testing, we have established the potential for failure due to torsional tension.

In the case of the turn of nut method of fastening in the B&N assembly with lubrication, up to 25% to 35% additional clamp can be obtained than required by the standard. Without lubrication, the likelihood of thread failure is almost 100%.  All the torque value will be absorbed by the galling effect of the soft galvanised layer and if the bolt has not started to fail due to torsional tension, the correct tension will not have been achieved and a loose bolt left in place with future potential failure consequences.

We really do recommend pre-lubricated nuts that have been baked to a dry condition. The advantages; it avoids the wrong lubricant choice, the risk of attracting grit on nuts during installation due to sticky lubricant is reduced, the under or over application of lubricant is avoided and; of most importance, certification of the coefficient of friction is supplied, together with recommended torque values.  This testing in terms of EN14399-2 also provides confirmation that the B&N assembly complies with the rigorous requirements of the standard.

Another question that has been raised, is it possible of paint over-lubricated nut.  MoS2 is oilioscopic, which means it cannot tolerate detergents. So cleaning with an industrial degreaser would be the appropriate first step, then priming followed with a final overcoat. Under no circumstances should acid be used clean.

Installation equipment

Many bolters rely on the torque wrenches having been recently calibrated. One of the overlooked checks that needs to be undertaken is the wrench verification. This should take place on the day the wrench will be used by testing at least 3 bolts of the diameter to be installed with that wrench on that day. The verification takes place using a static torque meter.  The reason for this verification is that calibration can change if, for example, the wrench was dropped. We have observed that many installers do not do verify their equipment, nor have the required equipment to undertake the verification.  However if one is using the turn of nut method (TON), recommended by SAISC, verification of equipment can be avoided. Provide the markings are correctly made and the tightening process is properly supervised, TON will result in a reliably tensioned assembly.

Conclusion

Experience in the field is that there is a huge amount of poor communication between original design through the manufacturers of Bolt and Nut manufacturers and the installer tightening the final bolt. Some of the examples include a request for Nylock nuts for EN 14399 construction bolts, failing this, Clevelock nuts or rejection of pre-lubricated nuts because the black colour gives the impression the nuts have not been HDG. Fortunately, many mistakes are covered by the tendency to “over design/deliver”; not only in bolt manufacture but also in structure design. As a result, problems get caught in a normal distribution curve of the applied margin of safety and no adverse outcome take place.  Where outcomes are likely to be negative as in some of the above examples, responsible Bolt and Nut manufacturers make recommendations and institute appropriate training

The greatest adverse has been where design engineers have not been involved in the pre-qualification of manufacturers and audit of their quality systems and not have ensured complete certification is in place based on comprehensive testing. Thereafter they have not been on site verifying, compliance to their original specification (which is prescribed in regulations of the Occupation Health and Safety Act). Where all this has occurred timeously, we have seen trouble-free installation. Where this was deficient, particularly in the early stage of manufacturer prequalification, adverse outcomes have often prevailed. It is emphasised, the problems have not been the fastener manufacturer but the end users poor understanding of their requirements of a design engineer.  Unfortunately, the B&N manufacturers have often been unfairly fingered in the process.

POLASA’s First Board Meeting for 2019

The new POLASA Board, under chairmanship of Zola Hlatshwayo and Sagren Moodley as vice Chair,  met on 21 January 2019 and worked through the POLASA portfolios:

  • SHEQ  Enrica Furlan / Zola Hlatshwayo

A one day POLASA / ESKOM SHEQ workshop is being planned for 8 February 2019.  

  • Training  Enrica Furlan / Zola Hlatshwayo

Various training requirements were highlighted at the SCOT Steering Committee meeting last year.  Enrica met with Nombo and published a set of Minutes (dated 14 Jan 2019) setting out the required representation at the different work groups.

  • Design and Engineering  Robin Page / Nick van der Mescht

The recent SCOT Steering committee meeting was well attended and covered many areas of common interest.  This is being followed up.

  • Component supply & Localisation Sagren Moodley / David Mulle

The ESKOM LAP list comprises many pages listing all components – The DTI expanded the list to “high-level” descriptions which should be all embracing. This also cover all the Transmission line hardware not on the LAP lists. A follow up meeting with the major role players is being arranged.

  • Industry Sustainability V Kanyongolo / Peter Ramaite / Nick vd Mescht

The Internal Indaba on “Contractor Capacity Issues Facing the Line Construction Business” held on Tue 13 November 2018 must be followed up by the development of an Agenda for an External POLASA ESKOM INDABA.

  • EME’s & QSE’s Zola Hlatshwayo / Enrica Furlan / Peter Ramaite 

Below R3m sales:Exempted Micro Enterprise”. Above: “Qualifying Small Enterprise” Get an updated list of “Incubation” and “Parent” companies and understand how these should interact and contract.  Note the need for multiple relationships.

  • Export Promotion  Vincent Kanyongolo / Sagren Moodley

The ISF presentation and list of export promotion visits during 2019 was circulated to members.  We should also work more closely with successful exporters as well as Ms Chibone Evans of the SAEEC. (SA Electrotechnical  Export Council).

Please direct any queries or comments to:

POLASA Secretariat  (polasa@saisc.co.za) or (011) 726-6111

www.polasa.co.za

Outward Trade and Investment Mission to Cabo Delgado & Maputo Provinces of Mozambique

The Steel Tube Export Association of South Africa (STEASA) took part in a trade and investment mission to Mozambique arranged by the Department of Trade and Industry (dti) and office of the High Commission in Mozambique. The paramount and overarching objectives of the mission were to grant the South African government through the dti the prospect of continued economic collaboration and partnership with Mozambique, increase the formation of commercial partnerships and joint ventures between their businesspeople and for the realisation of higher levels of industrialisation through sustainable trade and investment.

In 2017, 30% of Mozambique’s imports came from South Africa which puts it in the first position in terms of the market share in the country. Total trade volume in 2017 stood at R51 billion and the trade balance between the two countries in 2017 was R 26.6 billion in favour of South Africa. Mozambique is a strategic and important partner to South Africa and is amongst the top five of our trade partners in the Southern African Development Community region.

 In 2010, Anadarko made its first discovery in the Offshore Area 1 of the deep-water Rovuma Basin, launching one of the most important natural gas discoveries in the last 20 years. Today, the company and its partners have discovered approximately 75 trillion cubic feet (Tcf) of recoverable natural gas resources in Offshore Area 1 and are working to develop one of the world’s largest liquefied natural gas (LNG) projects. Most companies in Mozambique both local and international are strategically positioning themselves to partake in the downstream supply chain offerings that will be realized during the construction of the onshore and offshore LNG facilities.

Steasa’s objectives on the mission was to engage meaningfully with prospective companies with proven competencies enabling them to bid on subcontracting tenders from the EPCM (McDermot, Chiyoda & Saipem) on the Golfinho- Atum Project. These companies would be in need of tubular related products for which supply could be sourced from SA based steel tube and pipe manufacturers in the upstream, midstream and downstream sectors.

The following was ascertained on the mission regarding the Golfinho- Atum LNG Project:

  • Chiyoda, the lead partner in the CCSJV consortium should be awarded the EPCM contract. The other partners are Saipem and McDermott, advised that the majority of the quotations are in and that they anticipate procuring close to $1 billion from South Africa over course of the project’s construction period (54 months commencing soon after FID which will be in Q1 next year).
  • It is highly likely that the following work packages will go to South African EPC contractors:
  • Marine Works (Jetty and Marine Offloading Facility)
  • Security Services
  • Permanent Fencing
  • Tugs & Barges
  • Geotech

Anadarko and Chiyoda advised that due to the sensitivities around local content (in Mozambique) they have to follow a completely transparent procurement process. As such they advised that it is important that would be South African suppliers register on the following website www.mzlng.com as forward work packages will be posted thereon and that the CCJS JV will use this portal extensively.

                                                                      www.steasa.com

POLASA Portfolios for 2019

At the first meeting of the new POLASA Board Zola Hlatshwayo and Sagren Moodley were confirmed as Chair and vice Chair for the new year – we congratulate them on the vote of confidence!

The following working POLASA portfolios were agreed upon:

  • Design and Engineering  – Robin Page / Nick van der Mescht
  • SHEQ – Enrica Furlan / Zola Hlatshwayo
  • Training – Enrica Furlan / Zola Hlatshwayo
  • Component supply & Localisation – Sagren Moodley / David Muller
  • Industry Sustainability – Vincent Kanyongolo / Peter Ramaite / Nick vd Mescht
  • Export Promotion – Vincent Kanyongolo / Sagren Moodley
  • Exempted Micro Enterprise & Qualifying Small Enterprise – Zola Hlatshwayo / Enrica Furlan / Peter Ramaite 

Each of the above subjects is addressed and driven by POLASA in co-operation with the applicable ESKOM executives with the listed incumbents acting as co-ordinators. 

Any of our POLASA members wishing to contribute or participate are invited to contact the relevant POLASA Board member(s) or send an e-mail with details to polasa@saisc.co.za

Otherwise keep your eyes open for the various POLASA notifications or Newsletters. When last did you visit www.polasa.co.za ?

This is indeed the last opportunity to wish each of you, your colleagues and families a blessed festive season and a fruitful New Year! Thank you for your ongoing moral and practical support to our Association!

POLASA Secretariat  (polasa@saisc.co.za) or (011) 726-6111

                                                                                        www.polasa.co.za

Holiday Checklist for roofs

Before putting your feet up for a well-deserved rest during the festive season we recommend you spend some time checking the wellbeing of your roof and drainage system so as to avoid any emergency repairs or costly callouts during the Builders’ Holidays.

To date there has not been much rain but have had a lot of strong dust laden wind which can have a negative impact on the performance of gutters and downpipes. It is common in these conditions for downpipes to be blocked by a combination of silt and debris, particularly if you have not cleared the leaves from the winter and small branches from windstorms. In metropolitan areas the combination of dust and air bourn pollutants mixed with moisture from light rainfall forms a highly corrosive poultice. Make sure the connection between the gutter outlets and downpipes or swan-necks are intact.

Ensure all valleys are free of debris, especially on low sloped roofs. The slope in a valley is only 70% of that of the adjacent roof so any blockage will force water up under the cladding. The upslope edge of chimneys and rooflights present a similar scenario.

Check that all fasteners are sound and that the weatherproof gasket under the washers have not perished. If you have cladding attached with drive screws (nails) it is futile to try and hammer them back into the timber purlins, rather replace them with a threaded roofing fastener designed for wood. Whilst the application of a sealing compound or bandage may temporarily provide a waterproof seal they do not reinstate the anchoring properties of the fastener against uplift from wind.

Check all flashings are free from Damage and are adequately attached. Ensure all counter flashings are fully embedded into parapet walls and behind chimneys.

Please visit our website www.samcra.co.za for other articles and papers on subjects pertaining to cladding.

STEASA – 2018 A Year in Review

The year 2018 like the years before has been a trying and challenging one for the steel tube and pipe industry as a whole, exacerbated on the domestic front by dwindling local demand and the constant influx of finished steel tube and pipe imports from Asia.

The export of steel tubes and pipes has encountered strong unabating headwinds in the global context when one considers the imposition of the USA’s section 232, sanctioning a 25% tariff on carbon steel tube and pipe imports. The attempts by government at different forums i.e recent AGOA forum, to get SA exempt from section 232 have so far been fruitless and another great fear looms if section 232 is extended to AGOA agreements, which would have an adverse impact of SA’s automotive exports. Practices of such trade protectionism by the USA has also prompted the likes of the EU to evaluate their “national security” regarding the trade of steel tubes and pipes and unfortunately when large trading blocs and countries are at loggerheads, emerging market nations like South Africa are collateral damage. 

On a positive and progressive front, the ASTPM has over the past year been engaged with SARS over the introduction of an import reference price on certain steel tube and pipe HS code lines as a mechanism of halting the unjust practices of under- pricing/ declaration, incorrect identification of products among others. The import reference price was officially instituted by SARS on 1st August 2018 and has thus far yielded great results. Associations such as SAMCRA and SAWA have also successfully had their product related import reference prices activated by SARS.

STEASA has taken a proactive approach to addressing export challenges which the industry is acutely aware off. Even with the current impediments to competitive exports, STEASA has been engaging with Trade Advisory, a specialised division of the University of NW Potchefstroom Campus, who have developed a Trade Export Decision Support Model (DSM) that helps companies to identify realistic export opportunities. TRADE-DSM (Decision Support Model) which is an analytical tool that identifies realistic export opportunities for both export-ready and active exporting companies that wish to expand their sales reach into foreign markets.  Part of the value in the TRADE-DSM lies in its ability to offer alternatives to exporters that are facing saturation and/or declining growth in their traditional markets.

Overall we have worked well with industry stakeholders and government stakeholders, the likes of the metals desk at dti, ITAC, Trade Investment Africa (TIA), Trade Investment South Africa (TISA), Gauteng Growth development Agency (GGDA) among others, in addressing our most salient  and on going efforts regarding  tariffs for the midstream and downstream, designation, export competitiveness, demand creation for the capacity for steel tubes and pipes, promoting concrete filled tubular columns and addressing standards and codes.

                                                                      www.steasa.com 

Enter the projects you are proud of for Steel Awards 2019!

The Annual SAISC Steel Awards is an opportunity to put your hard work on display. No matter how big or small,
enter the projects that you are proud of! All entered projects will appear in the Steel
Construction Journal and will be featured on the SAISC website. Finalists will be showcased at
the Gala Dinners, and the winning projects will be featured in a dynamic profile video.

POLASA Announces New Board Members

Thank you to those who could attend the POLASA OPEN INDUSTRY meeting followed by the POLASA AGM (Annual General Meeting) where the Board for the new year was unanimously elected. The meetings were held on the 7th of November 2019 at the Auckland Park Country Club. Our congratulations to the team that will lead us into the New Year:

Zola  Hlatshwayo  – Mkhulu Electro Distr. Projects

Sagren Moodley – Metpress

Peter Ramaite – Ramagale Holdings

Robin Page – Trans Design CC

David Muller – Preformed Line Products

Vincent Kanyongolo – Dyambwini Construction

Nick van der Mescht – Consultant

Enrica Furlan – Siyazama Prof Man Services

A special word of thanks to Mr Gary Whalley of Babcock Ntuthuko Powerlines who served on the POLASA Board with distinction from its inception!  We wish you every success in your new role!

                                                                            www.polasa.co.za