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UK: Why National Highways’ A46 road scheme stands out a green mile in drive for net zero carbon

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s960 A46 Kier Warwick 960 640 1

Contractors have gone that extra green mile when resurfacing a dual carriageway on the National Highways’ network – by recycling more than half of the materials from the old road back into the new one and cutting the carbon footprint by 23%.

Some 17,432 tons of material were reused from the layers of road surface and saved from landfill as well as helping to make the A46 Warwick Bypass much smoother and safer for drivers.

A stretch of the busy road had deteriorated to a condition that, following a number of temporary repairs to ensure safety, a full depth reconstruction was needed, digging down almost 15 inches to replace the layers of road surface.

Kier led the project on behalf of National Highways and recruited Aggregate Industries (AI) to carry out the resurfacing on 3.5 miles of the northbound carriageway between Sherbourne roundabout and the Leek Wootton roundabout.

Much of the material in the lower levels contained tar which is classed as carcinogenic – has the potential to cause cancer – and must be dealt with as hazardous waste and disposed of at a licenced waste processing facility.

But tar-bound material can be safely recycled and encapsulated back into the pavement layers by processing and re-mixing it.
Kier and AI devised a low carbon pavement solution for the resurfacing project and discovered the greenest and most cost-effective way to do this was by recycling the existing carriageway material and reducing the amount that would have to go to landfill.

The old layers of road were recycled back into the new carriageway using AI’s ex situ cold recycled Foamix asphalt. Foamix is a fully cold process and can be laid and compacted at a much safer ambient temperature which reduces the asphalt fumes on site which workers are exposed to.

The material was mixed on site to minimise vehicle movements and reduce the scheme’s carbon footprint. Using recycled material meant there was less raw material needed for the works too and without the trips to the waste site as well, around 82,000 road miles were saved on this scheme.

Some 56% of materials were recycled from the old road into the new one. Any remaining material not used in this scheme, which ran between late July and September, was recycled back across the road network through other projects.

National Highways Project Manager, Ryan Davies, said:

We have committed, through our net zero carbon plan, to rapidly cut carbon from road construction, maintenance and operations, and support the transition to zero emission vehicles. 

A vital part of meeting our ambitious objectives is having the support of our supply chain on schemes such as this. Through close collaboration with partners such as Kier and AI we are taking great strides on our journey to net zero carbon.

National Highways has already started sustained action towards decarbonising England’s motorways and A-roads so they can continue to bring significant benefits to motorists, communities and businesses in a net-zero future. 

The net zero plan will put roads at the heart of Britain’s net zero future through three key commitments; achieving net zero for its own operations by 2030; delivering net zero road maintenance and construction by 2040; and supporting net zero carbon travel on our roads by 2050. 

AI’s National Technical Manager, Neil Leake, said:

Good collaboration and an innovative approach were at the heart of this scheme, with people working together to achieve the same low carbon goal. We had some significant challenges to overcome to make sure this scheme could be delivered on time and still meet the low carbon goal we set ourselves.

Kier Managing Director, Scott Cooper, said:

This is the first time that Foamix has been used on this type of road on the Area 9 Strategic Road Network and this work on the A46 scheme really demonstrates how innovation and excellent collaboration across the value chain is needed if Kier and our partners are to succeed with reaching our net-zero ambition and combatting climate change.

General enquiries

Members of the public should contact the National Highways customer contact centre on 0300 123 5000.

Journalists should contact the National Highways press office on 0844 693 1448 and use the menu to speak to the most appropriate press officer.

Nation

Despite Lagos Government’s Closure Order Over Pupil’s Death, Dowen College Continues Classes Online

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Dowen College

The management of Dowen College, Lagos, has announced the commencement of online academic activities.

This is despite the Lagos State Government’s order of indefinite closure of the school following the death of 12-year-old Sylvester Oromoni (Jnr), a pupil allegedly beaten by colleagues for refusing to join a cult.








On Friday, the Lagos Government announced the closure, adding that this was pending the outcome of an investigation into Oromoni’s death.

However, the school management in electronic mail sent to parents shortly after the shutdown announced that all academic activities will be held online until further notice.

The mail reads, “We wish to inform you that further to our meeting at the Ministry of Education the school will be shutting down all physical activities till further notice. All learning will move online in the interest of safety and transparency.”

The death of the 12-year-old has attracted outrage from Nigerians with many demanding justice for the young boy.

Others called on parents to withdraw their children from the school following the incident.

The school in its reaction to the incident claimed that the deceased sustained injuries while playing football and was given immediate medical attention by its resident nurse.

Subsequently, the student complained of having pains in his hip and was attended to again by a doctor and nurse and thereafter taken to his house, the school said.

The school further said it had carried out a preliminary investigation where it was confirmed that there was no case of bullying, adding that it has policies that are strongly anti-cultism.

A video shared by the family of the boy before his death showed him in a very bad shape and in pain.

The deceased was also said to have been forced to drink an unknown substance by the ‘bullies’.

Father of the late student had alleged that the parents of students responsible for torturing his son had made arrangements for them to fly out of the country.

“The parents of the boys are wealthy. They withdrew them. The school called the parents to pick their wards; interviewed them. Some of the parents are planning to fly the children out of the country,” the distraught father revealed.

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Nation

Despite Lagos Government’s Closure Order Over Pupil’s Death, Dowen College Continues Classes Online

Published

on

Dowen College

The management of Dowen College, Lagos, has announced the commencement of online academic activities.

This is despite the Lagos State Government’s order of indefinite closure of the school following the death of 12-year-old Sylvester Oromoni (Jnr), a pupil allegedly beaten by colleagues for refusing to join a cult.








On Friday, the Lagos Government announced the closure, adding that this was pending the outcome of an investigation into Oromoni’s death.

However, the school management in electronic mail sent to parents shortly after the shutdown announced that all academic activities will be held online until further notice.

The mail reads, “We wish to inform you that further to our meeting at the Ministry of Education the school will be shutting down all physical activities till further notice. All learning will move online in the interest of safety and transparency.”

The death of the 12-year-old has attracted outrage from Nigerians with many demanding justice for the young boy.

Others called on parents to withdraw their children from the school following the incident.

The school in its reaction to the incident claimed that the deceased sustained injuries while playing football and was given immediate medical attention by its resident nurse.

Subsequently, the student complained of having pains in his hip and was attended to again by a doctor and nurse and thereafter taken to his house, the school said.

The school further said it had carried out a preliminary investigation where it was confirmed that there was no case of bullying, adding that it has policies that are strongly anti-cultism.

A video shared by the family of the boy before his death showed him in a very bad shape and in pain.

The deceased was also said to have been forced to drink an unknown substance by the ‘bullies’.

Father of the late student had alleged that the parents of students responsible for torturing his son had made arrangements for them to fly out of the country.

“The parents of the boys are wealthy. They withdrew them. The school called the parents to pick their wards; interviewed them. Some of the parents are planning to fly the children out of the country,” the distraught father revealed.

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COVID-19: Nigeria records two deaths, 196 new infections Friday

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COVID 19 Alert

The Nigeria Centre for Disease Control (NCDC) has announced two additional COVID-19 fatalities and 196 new infections reported from five states of the federations and the Federal Capital Territory (FCT).

The disease centre disclosed this in an update shared on its Facebook page late Friday night, noting that the fatality toll now stands at 2,980.

According to the centre, the new cases have increased Nigeria’s infection toll to 214, 513.

The centre added that a total of 207,403 people have been successfully treated and discharged in the country, while 4,130 people are still down with the disease.

Breakdown

A breakdown of the NCDC data revealed that Lagos State, the epicentre of the disease, topped the chart with 138 infections.

Rivers State followed on the log with 23 cases, while the FCT reported 18 cases.

Imo State reported 15 cases. Bauchi and Gombe states recorded a single case each.

The NCDC also noted that Plateau State reported no cases on Friday.

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