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Grenfell Inquiry Updates Look at Architect Role

Monday, March 9, 2020

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In the recent development of the Grenfell Tower fire inquiry, lead architect from firm Studio E admitted that he had not read the Building Regulations covering fire safety in high-rises.

The Architects’ Journal reports that Bruce Sounes said that he was “largely unaware there was specific guidance in Approved Document B for buildings taller than 18 meters and did not know that aluminum panels could melt.”

Disaster Background

On June 14, 2017, Grenfell Tower—a 24-story, 120-home apartment building—caught fire and resulted in the death of 72 people. While the fire started in a fridge-freezer in an apartment on the fourth floor, the blaze then spread to a nearby window. The building had recently undergone a $12.73 million renovation designed by Studio E Architects that was completed in the spring of 2016 and is largely believed to be responsible for why the fire spread so quickly.

At that time, the building was refurbished with a system of polyester powder-coated aluminum rain-screen panels, insulated exterior cladding and double-glazed windows, as well as a communal heating system.

A Guardian investigation in 2018 revealed that nonflammable aluminum panels had initially been proposed for the refurb but were switched out to save money.

ChiralJon, CC-SA-BY 2.0, via Wikimedia Commons

In the recent development of the Grenfell Tower fire inquiry, lead architect from firm Studio E admitted that he had not read the Building Regulations covering fire safety in high-rises.

The publication found that, at first, under the local government’s preferred contractor, Leadbitter, subcontractor D+B Facades had provided a 3.3 million-pound (roughly $4.1 million) quote to fit a system of aluminum panels backed with mineral wool insulation.

A few months later, the council decided that Leadbitter wanted to spend too much on the refurbishment, and put the contract out to tender to save about 1.3 million pounds. It went with a different contractor, Rydon, which provided a lower bid, but fitted the tower with the combustible cladding that authorities believe contributed to the number of fatalities in the fire.

The Guardian found that the council had originally wanted to spend 6 million pounds on Grenfell, but later set a different budget of 9.7 million pounds, because it realized it needed to replace the heating system. Leadbitter was on course to spend 11.3 million pounds, which is why council says it put the contract back out.

Manufacturer Omnis Exteriors confirmed that they supplied the Arconic Architectural Product to Harley Facades—the subcontractor that Rydon utilized for the cladding work.

Around the same time in 2018, BBC News uncovered that the Reynobond PE cladding was subjected to European tests in 2014 and 2015 for “reaction to fire,” in which products are typically given an A to F rating, with A being the highest.

(Many officials believed that the legal standard for such towers was a B rating. While that belief had been contested among industry professionals, the legal minimum rating now, post-Grenfell fire, has been upgraded to A.)

The reports from the 2014-15 tests reveal that two types of the Reynobond, both of which were installed at Grenfell, had less than B ratings. One type, called “riveted,” received a C classification, while another, “cassette,” received an E classification.

The BBC obtained correspondence from Arconic to clients confirming the ratings.

The Inquiry

Phase One of the inquiry was completed last fall, with the findings published on Oct. 30. This phase was to look at what happened on the night of the fire itself, and the 1,000-page report criticized not only the response to the fire but the 2016 renovation as well.

Arguably of most importance, inquiry head Sir Martin Moore-Bick, a retired Court of Appeals judge, said that it seems that the refurbishment did not comply with the building regulations requirement to adequately resist the spread of fire.

“There is compelling evidence that Requirement B4(1) was not met in this case,” he said. “It would be an affront to common sense to hold otherwise.”

In addition to the preliminary conclusions on the 2016 refurbishment, the report also accuses the fire brigade’s response to the fire as having “systematic failures” with no contingency plan to evacuate the tower. It also criticized the brigade’s decision to maintain the “stay-put policy” even when the stairs were passable.

After the report, Dany Cotton, the London Fire Commissioner who was in charge of the response, resigned.

Natalie Oxford, CC-SA-BY 4.0, via Wikimedia Commons

The Architects’ Journal reports that Bruce Sounes said that he was “largely unaware there was specific guidance in Approved Document B for buildings taller than 18 meters and did not know that aluminum panels could melt.”

The second phase, which started Jan. 27, is to examine the refurbishment, including the installation of flammable cladding.

According to the Telegraph, this phase is said to be more complex than the first, which took 16 months to complete. Preparation for this phase has reportedly unearthed 200,000 documents and the phase will be split into eight “modules” with 21 companies and 600 individuals named as “core participants.”

Among the modules, the areas that will be investigated include the refurbishment itself, the testing of the cladding, complaints from residents prior to the fire, the management of the building and the aftermath of it all.

Some estimates say that it could take Moore-Bick until at least 2023 to publish a final report. Only then would police and prosecutors get a chance to review the findings and then pursue charges, if any.

A few days into the second phase, after much finger-pointing, lawyers for Studio E, Rydon, the TMO and Harley wrote to Moore-Bick arguing that their clients could claim privilege against self-incrimination and not answer questions, noting that they would only speak openly if the attorney general gave an understanding that nothing they said would be used against them in criminal prosecution.

In late February, United Kingdom Attorney General Suella Braverman announced that she was granting the undertaking. In her letter to the inquiry chair Martin Moore-Bick, Braverman wrote that receiving “substantive answers” to questions in the probe is of an important public interest.

Therefore, the undertaking will cover people, will not impact the ongoing criminal investigation and will not jeopardize criminal prosecutions.

Latest Revelations

After Sounes admitted to not reading the regulations, inquiry lawyer Kate Grange asked what steps he did take to familiarize himself with the project and with Approved Document B.

Sounes pointed to the use of fire consultants and claimed that the design responsibilities should have fallen on design-build contractor Rydon.

However, the lawyer pointed to a document between Studio E and Rydon that specified Studio’s duties. They included: “seek to ensure that all designs comply with the statutory requirements” and “with other consultants, where appointed, develop the scheme designs, agree with the contractor the type of construction and quality selection of materials.”

In addition, it also came to light that the tenant management organization had breached regulations in the appointment of Studio E in the first place. Studio E reportedly, deliberately deferred a chunk of its fees to stay under the threshold that would trigger an open public tender for design services.

The practice also admitted to having no experience in overcladding or refurbishing high-rises, meaning that it would’ve been unlikely that the firm would have won any public competitive procurement process.

Instead, the Studio landed the job “on the back of its work for the local council on the linked Kensington Academy and Leisure Centre.”

   

Tagged categories: Building Envelope; Cladding; Condominiums/High-Rise Residential; EMEA (Europe, Middle East and Africa); EU; Fire; Health and safety; Laws and litigation; Lawsuits; Safety

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