Common Mistakes in Bridge Construction

Common Mistakes in Bridge Construction

The best way to avoid bridge failures is to expect them to happen and develop a good risk management strategy. Don’t just wait to cross that bridge when you get there. This is the only way to protect the public from injuries, loss of life, property damage and destruction. Some bridge collapses are mysteries when they first happen. It isn’t until a detailed investigation is completed that the true cause is revealed.

I am going to list a few common mistakes in bridge construction:

1. Poor Bridge Maintenance: The collapsing of bridges could be prevented with more strict inspections and frequent routine maintenance. Rusted parts must be replaced, drainage areas cleared in case of natural disasters and reinforcements added especially when the use of the bridge has increased. The Connecticut Turnpike over the Mianus River collapsed due to the failure of steel pins that had corroded. I can not believe the lack of bridge maintenance! Can’t get over it.

2. Cheap Materials: A bridge is only as strong as what it’s built with. No one likes to spend money, but excessive cost-cutting can leave the bridge vulnerable to collapses. Not only is the bridge put in a more precarious situation, but saving money on materials can also lead to more costly repairs down the line.

3. Design Defect: While some bridges are constructed perfectly with high-end materials, they can still fail if the design is flawed. Bridges with a poor design could fail to hold enough weight or withstand natural conditions. There are bridges whose collapse was unpreventable before the bridge was ever built.

4. Natural Disasters: Today’s changing climate and the extreme weather events associated with it is causing chaotic weather. Most collapses happen on bridges that were built a long time ago when designers couldn’t imagine the kind of storms they’d have to withstand today. We can’t control the weather, but we can build structures strong enough to withstand such natural disasters. There is always room for improvement.

5. Accidents: Whether it’s a truck hitting a support post, a train falling off the tracks or a boat colliding into a foundation, accidents are one of the leading reasons bridges are damaged or come down. Bridge engineers must plan for all types of incidents. They will have to also bear in mind what the future holds for us. Will there be driverless cars, larger ocean tankers, and cruise ships, along with pilotless drones that could impact bridges in the near and distant future? I think it’s possible, most of it is already happening.

I am definitely no expert in any of these aspects, but keep these failures in mind next time you sitting in your car under a train bridge and the robot for you to go is red.

Sources:
Wikipedia
Civil Digital
Asset Works
Engineers Journal


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I started working at Leads 2 Business in 2014. I was part of the Tenders Africa team and have now recently moved to Private Projects. I love every second of it!

Industry Events: South Africa August 2019

Industry Events: South Africa August 2019

 

Event:

The Property Show Durban 2019

Date:

03 to 04 August 2019

Event Location:

Durban Exhibition Centre, Durban, South Africa

Event Description:

The Property Show, acquired by Private Property, is the ideal platform for anyone looking to further their property journey whether it’s buying, selling, renting or investing. The Show brings together all the brands under one roof and includes financial service providers, estate agents, developers, conveyancers and additional services.

Event Details:
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Event:

Design South Africa 2019

Date:

07 to 11 August 2019

Event Location:

Gallagher Convention Centre, Johannesburg, South Africa

Event Description:

Design South Africa is the perfect platform to source South African and international furniture and product design as well as lighting, interior design, surface and materials for the residential, commercial, hospitality and office sectors. It is geared towards doing business, writing orders and setting up new business networks and relationships.

Contact Details:

Tel: +27 (0)11 549 8300
Email: 100percent@reedexpoafrica.co.za

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Event:

Global Lift & Escalator Expo 2019

Date:

27 to 29 August 2019

Event Location:

Sandton Convention Centre, Johannesburg, South Africa

Event Description:

GLE Expo is an opportunity for global players in from the industry of elevator and escalator to explore Africa’s market potential, engage with prospective buyers, widen knowledge, network with regional players and expand businesses to this continent.

Contact Details:

Tel: +27 (0)81 275 2823
Email: segren@virgo-comm.com

Event Details:
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Event:

ICT Infrastructure 2019

Date:

28 to 29 August 2019

Event Location:

Emperors Palace, 64 Jones Road, Kempton Park, Johannesburg, South Africa

Event Description:

ICT Infrastructure 2019 will explore considerations and solutions across the entire ICT value chain with the goal of information sharing for the benefit of South Africa’s ICT infrastructure, and thus its citizens and businesses.

Contact Details:

Tel: +27 (0)11 543 7000
Email: charmaine.manicom@ee.co.za

Event Details:
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Featured Project: La Lucia Mall Upgrade, KwaZulu-Natal

 

 

Description
Internal and external refurbishment of La Lucia Mall, situated at 90 William Campbell Drive in La Lucia, Umhlanga, KwaZulu-Natal. The internal refurbishment includes the ablutions, floors (marble floor is being replaced with porcelain tile), ceilings, shopfronts, columns, electrical, mechanical, fire and signage. The external refurbishment includes painting, façades, and new entrance canopies. Approximate GPS Coordinates: -29.753794, 31.064577. Estimated project value: 61 million.

 

Status Region
Underway Umhlanga
Category Value
Building Approximately R61 million
Industry Timing
Retail & Renovations January 2019 to July 2019 (6 and a half months) – Extended to between August & October 2019
Sector Class
Private Invited/Negotitated

 

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About Bianca Warwick

I had the privilege of joining the Leads 2 Business content team in January 2012. I work in the exciting Projects department, following the progress of construction developments in KwaZulu-Natal and the Free State.

Featured Company: WBHO

Who’s who in your Industry? This week we are featuring WBHO, Gauteng. Nelius Smith is Civil Engineering Estimator for the Roads & Earthworks Division of WBHO and you can read what he has to say here…

 


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About Michelle Engelbrecht

: I started working at Leads 2 Business in February 2014 till now, I'm an L2Q Account Executive and deal with Main Contractors. Leads 2 Quotes is my main focus and the growth of the sales in L2Q.

Project Infographic: Northern Cape

Project Infographic: Northern Cape

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About Marlaine Andersen

I have been working for Leads 2 Business, in the Private Projects Department, for 10 years this July. I am Deputy HoD for Private Projects. Researching mining projects and projects through-out the African continent are my areas of research and I find them most interesting.

How Funding affects Construction in Africa

posted in: General 0

Construction is a vital sector of any country’s economy because the physical construction of the developments become the backbone of the nation’s economy that enables goods and services to be distributed within and outside the country.

Furthermore, the functionality of the designs and construction of the developments have an impact on the productivity with which other business activities can be undertaken. Thus it can be said that the infrastructure of a country influences the competitiveness of enterprises and the country’s abilities to attract foreign investment, which is important in an era of globalisation as nations compete to attract foreign domestic investment.

However, with the general economic weaknesses Africa faces as a developing continent it means that we do not enjoy the realities of the above utopia.

Construction in Africa is predominantly funded through the following four Funding mechanisms

Government Funding
The Government is spending the “peoples money” to fund the project.

Private Funding
A project which is funded by a private developer which can be a private individual or company.

Loans
Financial assistance provided by an international bank or international financial institution to the government which is repayable after some time with interest. e.g.   a loan from the African Development Bank or a generous loan from generous ‘ China ’

Public-Private Partnerships
A contract between a government institution and a private company, in which the private company bears significant risk and management responsibility, and payment is linked to performance.

Regional Construction Focus

East Africa

With 166 underway projects on our website: East Africa accounts for 23.4% of projects on the continent.

Southern Africa

With 1229 underway projects on our website. The region accounts for 30.7% of all projects in Africa.

Central Africa

With 14 underway projects on our website. The region continues to be negatively affected by lower commodity prices, as all countries in the region are resource dependent. In total Central Africa is home to a few major public projects worth about US$9.8bn.

West Africa

With 66 underway projects on our website. The region accounts for 26.1% of all projects in Africa.

North Africa

With 50 underway projects on our website. The region accounts for 13.2% of all trackable projects on the continent.

Just taking into account the 1 525 projects that are marked as underway on our website out of the 6 412 captured,(with a cidb grading value 8-9. In stages between Conceptual – Underway) we can deduct that Africa requires an unprecedented magnitude of funds that individual countries do not have or just cannot afford to fully invest in. Furthering the dependency of international loans that we receive from the likes of China. This then minimizes the opportunities for local companies to make a sizeable splash in the construction pond.

The lack of funding or rather the ability for African nations to allocate more of their financial resources into construction has also cultivated a culture of non-payment of accounts. The amounts due to construction companies and a failure to make payment in time, lead to horrible liquidation or business rescue of established first-tier companies that boost the sector.

Furthermore due to the general economic weakness in the continent and a high need for infrastructure development means that we see more contracts that are uneconomical if work was to be given to local contracting professionals.

We further see delays in the completion of contracts within the scheduled times, if ever because of a lack of funds: which adversely affect the chances of any African nation attracting good and healthy direct foreign investment to boost the overall economy of the country. Furthermore, it affects local construction professionals because it becomes hard for them to afford to take the work.

Africa’s construction industry deficit is a cause of great distress. The problem of internal funding shortage and the large size of the infrastructure needs, require a lot of funding options. That we have! However, it would be great if we had ones that lessen the over-dependence on international loans because this allows excessive exposure and vulnerability of the continent and its resources.

Responsible lending and borrowing behaviour are required on the part of Africa and its development partners to avoid unsustainable external debt levels which are detrimental to Africa’s construction industry growth.

No matter what cause I pick for my topic, the prevalent effect seems to mimic a viscous airtime advance system cycle: You borrow airtime. Load airtime to pay back the service provider. Clear your debt. Be left with nothing. Then you have to borrow airtime again to survive and in the end, you have not looked after your own interests. In my opinion, the health and growth of the local construction scene by our own labour should be of main interest for the decision makers when funding the sector is concerned.

Concluding I have to admit, I would fail to propose a well developed, practically applicable solution model to the effects I have presented above. However as much as there are a whole lot of challenges surrounding construction operations in Africa, there is potential for growth. If we would just find suitable and positive investment strategies that will work for a developing continent, without harming the wealth of business knowledge, skills and labour we already have, in years to come the industry could be so well developed it would practically fund itself.

 

Sources:
George Ofori, Ph.D., D.Sc., Funding Construction Industry Development
Deloitte, Africa Construction Trend Reports
BDO South Africa, Saving the Construction Sector
African Business, Boosting development through sovereign wealth funds
Wikipedia

 


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About Minnie Zondi

I am an insanely optimistic ambivert that does everything from the heart instead of the mind. Deeply interested in people and matters that pertain to mankind.

The Difference between Residential and Commercial Construction

posted in: General 0

To understand the difference between Residential and Commercial Construction, you must first understand what each one is.

If your brain works anything like mine, when you hear the word “Residential” you may think of homes where there may be a street of houses which all look pretty similar from their green grass lawns and their borders of brightly coloured flowers, this is generally where you would find the consumers and generally where people would live.

When you hear the word “Commercial”, you may think of the public, attracting the public eye and making whatever your commercial item may be whether its a building or product it has to be what the people want, it has to sell to the consumers, generally where one’s workplace would be.

Commercial Construction

According to Wikipedia, “Commercial buildings are buildings that are used for commercial purposes and include office buildings, warehouses, and retail buildings (e.g. convenience stores, ‘big box’ stores, and shopping malls). In urban locations, a commercial building may combine functions, such as offices on levels 2-10, with retail on floor 1”.

A good example of a well-known commercial building in South Africa is the iconic Nelson Mandela Square in Sandton City, Johannesburg.

Here you will find a variety of restaurants, jewellers, banks, etc. and the list goes on. Buildings such as these provides ample job opportunities for people living in the surrounding residential areas.

Residential Construction

Residential Construction is a far more self-explanatory type of building.

Residential construction is the business of building and selling individual and multi-family dwellings. The building unit is divided into single-unit, manufactured, duplex, apartments and condominiums. According to the Oxford English Dictionary, Residential means “designed for people to live in.”

The best example and probably the most obvious one is where you currently live,

Your furniture is made for comfort, your wall personalised with family photos, everything designed how you want it in order for you to be comfortable.

When you buy a new lounge suite for your home you do not invite all of your friends to come and test all the couches in the shops before you buy it, You test them out yourself,

For someone buying furniture for a commercially owned building they generally buy what looks best in a building, not so much what feels best. This is once again to impress the consumer/buyer.

Although Commercial Construction and Residential Construction have a few of the same factors such as the same professionals, Architects and Projects Manager involved with the design and construction, the outcome and the aim of each building being built is different.

It may be great to live close to your local shopping mall, however I would not recommend building a 3-bedroom stand-alone house right next door in your central CDB (Central Business District).

 

Sources:

Itsallaboutbusiness
Rennieproperty
Wikipedia
Oxforddictionaries
Redfin
Propertymetrics
Pexels

 


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About Caroline Crafford

I have been working at Leads 2 Business for 8 months now as a content research in the Daily Tenders department for South Africa, when I am not at work you will find me spending quality time with my husband and our beautiful daughter. You will always find a smile on my face and a snack in my bag.

Projects Infographic: East Africa

Projects Infographic: East Africa
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About Marlaine Andersen

I have been working for Leads 2 Business, in the Private Projects Department, for 10 years this July. I am Deputy HoD for Private Projects. Researching mining projects and projects through-out the African continent are my areas of research and I find them most interesting.

Industry Events: Africa April & May 2019

Event:

Meqasa Home & Property Fair

Date:

06 to 07 Apr 2019

Event Location:

Silver Star Tower, Accra, Ghana

Event Description:

“Amazing property deals you can’t miss!”
The meqasa Home & Property Fair offers property seekers the opportunity to meet with the nation’s top real estate developers, home loan specialists and home improvement vendors to help them find their dream homes, office space and real estate related products and services. There will be various opportunities for attendees to meet new people and identify those leads that are specifically relevant to their businesses.

Event Details:

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Event:

Nigeria Energy Forum

Date:

09 – 10 Apr 2019

Event Location:

Admiralty Conference Centre, Lagos, Nigeria

Event Description:

The Nigeria Energy Forum set to upscale the development of sustainable energy services for all through a capacity building, training and development programme for policymakers, business leaders, energy innovators, professional engineers, industry experts and academics in Nigeria and other African countries.

Contact Details:

Tel: +44 777 458 2543
Email: info@thenef.org

Event Details:

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Registration

 

 

 

Event:

East Africa Property Investment Summit

Date:

10 to 11 Apr 2019

Event Location:

Radisson Blu Hotel Nairobi Upper Hill, Nairobi, Kenya

Event Description:

The East Africa Property Investment Summit is a leading property event for the entire region’s real estate market. Driven by passionate professionals, fast-growing economies and exciting projects, the real estate sector provides potential and opportunity for the educated and savvy investor or developer.

Contact Details:

Tel: +27 (11) 250 2260
Email: info@apievents.com

Event Details:

Website
Registration

 

 

 

Event:

Kenya Homes Expo

Date:

11 to 14 Apr 2019

Event Location:

Kenyatta International Convention Centre, Nairobi, Kenya

Event Description:

The Kenya Homes Expo is the region’s biggest homes show. Targeting the entire African region with a major focus on East & Central Africa, the Kenya Homes Expo is an experiential platform that creates a level ground for real estate players to converge with a ready market for land, homes, financial advice and general real estate information. We are the heartbeat of East & Central Africa, the authoritative voice of the real estate market. Exhibitors ranging from landowners, realtors, contractors, landscape artists, to interior design companies and insurers and bankers, we successfully deliver eye-opening and innovative shows for the real estate industry.

Contact Details:

Tel: +254(0)72 522 5650
Email: info@kenyahomesexpo.com

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Event:

BotsReal Property & Infrastructure Forum

Date:

09 May 2019

Event Location:

Peermont, Gaborone International Conference Centre (GICC), Gaborone, Botswana

Event Description:

BotsReal Property & Infrastructure Forum will facilitate the platform for both private and public investors, developers and industry professionals, to network, debate and examine issues and opportunities around the countries property & infrastructure sectors. Through API Events’ regional network, the event will also attract international companies and investors looking for opportunities in Botswana as well as potential partners, suppliers and service providers.

Contact Details:

Tel: +27 (0)11 250 2260
Email: registrations@apievents.com

Event Details:

Website
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Event:

Mining Investment Conference & Exhibition Botswana

Date:

21 to 22 May 2019

Event Location:

Peermont, Gaborone International Conference Centre (GICC), Gaborone, Botswana

Event Description:

Mining Investment Conference & Exhibition Botswana is a strategic mining conference and exhibition for the leaders of the mining, quarrying and construction materials industries, bringing together attendees from countries.

Contact Details:

Tel: +65 6717 6016
Email: enquiry@spire-events.com

Event Details:

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Event:

Mining Investment West Africa

Date:

28 to 29 May 2019

Event Location:

Swiss Spirit Hotel & Suites Alisa Accra, Accra, Ghana

Event Description:

The Mining Investment West Africa is a strategic mining conference and exhibition for the leaders of the mining, quarrying and construction materials industries, bringing together attendees from countries. Ministers, mining companies, investors and service providers travel from all over Africa, Asia, North America, Europe and Middle East for two days of partnering, networking and business matching. Join us at an invaluable platform to seek new partnerships, new business and new opportunities.

Contact Details:

Tel: +65 6717 6016
Email: enquiry@spire-events.com

Event Details:

Website
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Industry Events in Africa March 2019

Industry Events in Africa March 2019

Construction Events

 

Event:

Mining Investment Nigeria

Date:

06 to 07 March 2019

Event Location:

Victoria Crown Plaza Hotel, Lagos, Nigeria

Event Description:

The Mining Investment Nigeria is a strategic mining conference and exhibition for the leaders of the mining, quarrying and construction materials industries, bringing together so many attendees from many countries. Ministers, mining companies, investors and service providers travel from all over Africa, Europe, Asia, North America and the Middle East for two days of partnering, networking and business matching.

Contact Details:

Tel: +65 6717 6018
Email: Mahesh.babu@spire-events.com

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Event:

Buildexpo Ethiopia 2019

Date:

21 to 23 March 2019

Event Location:

Millennium Hall, Addis Ababa, Ethiopia

Event Description:

BUILDEXPO Africa is the only show with the widest range of the latest technologies in construction machinery, building material machines, mining machines, construction vehicles and construction equipment. After 19 successful editions of BUILDEXPO in Kenya and Tanzania, East Africa’s largest building and construction fair, it had ventured into the Ethiopian market. The second edition of BUILDEXPO ETHIOPIA will provide an international business platform by enabling global investment opportunities.

Contact Details:

Tel: +971 4305 0755
Email: feedback@expogr.com

Event Details:
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Event:

Regional Energy Co-operation Summit: East

Date:

27 to 29 March 2019

Event Location:

Sheraton Addis, Addis Ababa, Ethiopia

Event Description:

The Regional Energy Co-operation Summit: East will take place from 27-29 March 2019 in Addis Ababa, Ethiopia. The meeting will unite regional governments from Kenya, Uganda, Tanzania, Rwanda and Ethiopia, leading utility and regulatory companies from the region as well as international financiers, donor organisations, power developers to focus on what is needed to unlock investment in energy and infrastructure for regional growth and development.  Co-locating with the 3rd Off the Grid Summit, the meeting’s agenda will provide networking opportunities and open discussions exploring practical solutions geared at increasing investor appetite in East Africa.

Contact Details:

Tel: +44 207 384 8048
Email: marketing@energynet.co.uk

Event Details:
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