http://www.engineeringnews.co.za
  SEARCH
Login
R/€ = 17.87Change: 0.26
R/$ = 15.88Change: 0.14
Au 1183.75 $/ozChange: -11.70
Pt 924.50 $/ozChange: -12.00
 
 
Note: Search is limited to the most recent 250 articles. Set date range to access earlier articles.
Where? With... When?








Start
 
End
 
 
And must exclude these words...
Close Main Search
Close Main Login
My Profile News Alerts Newsletters Logout Close Main Profile
 
Agriculture   Automotive   Chemicals   Competition Policy   Construction   Defence   Economy   Electricity   Energy   Environment   ICT   Metals   Mining   Science and Technology   Services   Trade   Transport & Logistics   Water  
What's On Press Office Tenders Suppliers Directory Research Jobs Announcements Letters About Us
 
 
 
RSS Feed
Article   Comments   Other News   Research   Magazine  
 
 
Jul 20, 2012

Post-2010 construction activity slump continues

Back
Construction|Parktown|Africa|Cement|Civils|Cleaning|Concrete|Engineering|Environment|Flow|Health|Housing|Installation|Pipe|Pipes|PROJECT|Projects|Safety|Technology|Trenchless Technologies|Water|Africa|South Africa|Cleaning|Directional Drilling Services|Fibre-optic Infrastructure|Flow|Maintenance|Municipal Infrastructure|Pipes|Service|Services|Steel|Drilling|Infrastructure|Sam Efrat|Pipe|Valves|The 2010 FIFA World Cup|World Cup Games|Fibre Optic
Construction||Africa|Cement|Civils|Cleaning|Concrete|Engineering|Environment|Flow|Health|Housing|Installation|Pipe|Pipes|PROJECT|Projects|Safety|Technology|Water|Africa||Cleaning|Flow|Maintenance|Pipes|Service|Services|Steel|Drilling|Infrastructure||Pipe|Valves||
construction|parktown|africa-company|cement|civils|cleaning-company|concrete|engineering|environment|flow-company|health|housing|installation|pipe-company|pipes|project|projects|safety|technology|trenchless-technologies|water|africa|south-africa|cleaning|directional-drilling-services|fibreoptic-infrastructure|flow-industry-term|maintenance|municipal-infrastructure|pipes-industry-term|service|services|steel|drilling|infrastructure|sam-efrat|pipe|valves|the-2010-fifa-world-cup|world-cup-games|fibre-optic
© Reuse this



Civil engineering and construction company Trenchless Technologies, which focuses mainly on municipal water and sewer rehabilitation, has felt the effects of a decline in construction following the 2010 FIFA World Cup.

“The big investments made by municipalities that hosted World Cup games have resulted in them spending most of their budget and they are still recovering,” says Trenchless Technologies MD Sam Efrat.

“A lack of recovery of municipal rates and taxes has put additional pressure on municipal budgets and this has resulted in a decline in municipal infrastructure spending,” he adds.

Efrat notes that companies that service the municipal infrastructure sector, such as Trenchless Technologies, have seen a decline in the projects put out to tender since 2010.

He points out that the company was involved in seven rehabilitation projects in 2010, five projects in 2011, and three projects in the first half of this year.

“Fortunately, we have seen an increase in the amount of tendered work available this year and are looking forward to a steady increase in projects in the second half of the year,” says Efrat.

He notes that the future outlook is very promising, as it is estimated that around R60-billion a year has to be spent over the next ten years to cope with the infrastructure required to secure South Africa’s water supplies, and much of this work will involve rehabilitation of our ageing municipal sewer and water pipes.

Drilling
Efrat points out that there has been, since March, an increase in the demand for directional drilling services, which comprises 30% of Trenchless Technologies’ business.

The company makes use of the directional drilling method to install fibre-optic infrastructure, as well as water and sewer pipes. As a result of the fibre optic roll-out and the increased rate of urbanisation in South Africa, demand has increased for directional drilling services.

Efrat says there has been an increase in the number of tenders involving directional drilling, particularly on the long-haul fibre-optic networks between South Africa’s major cities.

The drilling process involves three main stages: drilling a pilot hole, pilot-hole enlargement, and pullback installation of the carrier pipe. The technique can be used in various ground conditions. The borehole is supported by a bentonite drilling fluid, which prevents the borehole from collapsing.

Current Projects
“We’re currently working on the Parktown water reservoir, where 300 m of 30-year-old steel piping was corroded and leaking.

“We are involved as a subcontractor to specialist contractors in the rehabilitation of concrete structures Con-Solve Civils. Con-Solve Civils is responsible for relining the reservoir, as the concrete has cracked and requires maintenance. A portion of Con-Solve Civils’ contract also requires the rehabilitation of the old 600 NB steel feeder pipes from one reservoir to another and the (bulk) pipe delivering water from the reservoir to the network.

Our work entailed cleaning the pipes, conducting closed-circuit television inspections and sliplining and grouting in place a new 560 PE 100 PN 10 pipe into the old 600 NB steel pipe and the installation of numerous new valves and chambers,” says Efrat.

The new high-density polyethylene pipe (HDPE) has a smaller diameter than the old steel pipe, but as it has a much smoother bore with a low coefficient of friction and better flow properties and this allows the replacement of the larger steel pipe with the smaller HDPE pipe while still maintaining the same amount of flow down the pipe.

Further, in July, Trenchless Technologies started work on Phase 5 of the Barberton asbes- tos cement pipe replacement project, using the trenchless technique of pipe bursting, where hydraulic rod pullers, as well as percussive hammers, are used to crack old pipe, which is pushed into the surrounding soil and simultaneously replaced with a new HDPE pipe that is pulled into position,” he says.

In urban areas where there are more pavements, roadways and housing, trenchless technology is more cost efficient and results in fewer disruptions than the conventional excavation method previously used.

“A lot of townships employ midblock sewers and it is also difficult to gain access to people’s properties to undertake the replacement by excavation – it is also extremely disruptive,” says Efrat.

He adds that trenchless technology mitigates many health and safety issues experienced when excavating in busy roadways, emits less carbon emissions and has less of an impact on the environment than traditional pipe-laying methods.

Edited by: Chanel de Bruyn
Creamer Media Senior Deputy Editor Online
© Reuse this

To subscribe email subscriptions@creamermedia.co.za or click here
To advertise email advertising@creamermedia.co.za or click here
 
Comment Guidelines (150 word limit)
 
 
 
 
 
 
 
 
Other Construction Materials and Equipment News
LEADING THE WAY The Association of South African Quantity Surveyors has embarked on a study to determine a more precise cost of green building in South Africa
Voluntary quantity surveying association the Association of South African Quantity Surveyors (ASAQS) is formulating plans to accelerate not only its own but also the general construction industry’s understanding and increased use of sustainable construction...
While there are several opportunities for the construction industry to integrate sustainable materials use in a project – from the design phase to the construction phase – there is still significant scope for the industry to be more innovative, says consulting...
INVERTED CULVERTS Rocla supplied several inverted culverts for use in cooling channels at a power station in Mozambique
Precast concrete products company Rocla earlier this year supplied precast concrete inverted culverts, lids and bases to use as cooling channels to the R2.24-billion, 100 MW natural gas-fired Gigawatt power station, near Ressano Garcia, in Mozambique.
More
 
 
Latest News
Sappi CEO Steve Binnie
Updated 6 minutes ago Pulp and paper manufacturer Sappi’s continued strong recovery has flowed into the 2016 financial year, with the group posting a surge in profit for the three months to December 31. Profit for the first quarter of the new financial year increased to $75-million –...
Randgold Resources CEO Dr Mark Bristow
Updated 24 minutes ago The current stressed state of the mining sector was prompting governments and investors to work together to sustain the industry and make it deliver real value for all stakeholders, Randgold Resources CEO Dr Mark Bristow said on Wednesday. Speaking at the 2016...
A not-to-scale diagram showing radio waves from the previously hidden galaxies traveling through the Milky Way and being received on Earth by the Parkes telescope
Updated 53 minutes ago Astronomers from the University of Cape Town (UCT) and the South African Astronomical Observatory (SAAO) have played a leading role in a successful international cooperative programme to locate galaxies hidden on the far side of our own galaxy, the Milky Way. The...
More
 
 
Recent Research Reports
Construction 2016: A review of South Africa's construction industry (PDF Report)
Creamer Media’s Construction 2016 Report examines South Africa’s construction industry over the past 12 months. The report provides insight into the business environment; key participants; local demand; geographic diversification; corporate activity; black economic...
Energy Roundup – February 2016 (PDF Report)
The February 2016 roundup covers activities across South Africa for December 2015 and January 2016 and includes details of a Government Gazette notice that confirms Cabinet’s decision to move ahead with the 9 600 MW nuclear procurement programme; State-owned power...
Energy Roundup - December 2015 (PDF Report)
The December 2015 roundup includes details of State-owned utility Eskom’s application to claw back R22.8-billion; South Africa’s ranking as an investment destination for renewable energy; and a nuclear expert’s thoughts on reactor designs for South Africa’s nuclear...
Water 2015: A review of South Africa's water sector (PDF Report)
Creamer Media’s Water 2015 Report considers the aforementioned issues, not only in the South African context but also in the African and global context in terms of supply and demand, water stress and insecurity, and access to water and sanitation, besides others.
Input Sector Review: Pumps 2015 (PDF Report)
Creamer Media’s 2015 Input Sector Review on Pumps provides an overview of South Africa’s pumps industry with particular focus on pump manufacture and supply, aftermarket services, marketing strategies, local and export demand, imports, sector support, investment...
Liquid Fuels 2015: A review of South Africa's liquid fuels sector (PDF Report)
Creamer Media’s Liquid Fuels 2015 Report examines these issues in the context of South Africa’s business environment; oil and gas exploration; fuel pricing; the development of the country’s biofuels industry; the logistics of transporting liquid fuels; and...
 
 
 
 
 
This Week's Magazine
Power and automation company ABB is in the launch phase of its highest payload, multipurpose industrial robot, the IRB 8700. The robot has a reach of 3.5 m and can handle a payload of up to 800 kg. “When designing the IRB 8700, we emphasised reach and payload, as...
Identity and Access Management (IAM) is a critical facet of a connected security ecosystem, as controlling the confidentiality, integrity and authorisation of data access and use is key to securing new digital business channels. However, companies face several...
RORY YOUNG Managed security services provide companies with a means to actively monitor their environment and ward against threats
Data underpins digital business models, the digital economy, the Internet of Things and the fundamental changes in the ways people interact and protecting data is crucial to securing new ways of doing business, says T-Systems South Africa information and...
The City of Cape Town will issue a tender for the procurement of electric buses for its MyCiTi service, in line with the council’s commitment to lower its carbon footprint, says executive mayor Patricia de Lille. The tender, to be advertised early in February, will...
The iSimangaliso Wetland Park Authority signed a R10-million contract last month with local tailings storage facility specialists Cyclone Engineering Projects to remove about 100 000 m3 of dredge spoil obstructing the natural course of the uMfolozi river, in...
 
 
 
 
 
 
 
 
 
Alert Close
Embed Code Close
content
Research Reports Close
Research Reports are a product of the
Research Channel Africa. Reports can be bought individually or you can gain full access to all reports as part of a Research Channel Africa subscription.
Find Out More Buy Report
 
 
Close
Engineering News
Completely Re-Engineered
Experience it now. Click here
*website to launch in a few weeks
Subscribe Now for $149 Close
Subscribe Now for $149