Hogwood Industrial Estate, Finchampstead, Wokingham, Berkshire, RG40 4QQ+44 118 430 8430
RAAC scanning in Crowthorne, Berkshire

RAAC Scanning in Crowthorne

Structured Carbon provides non-destructive RAAC scanning in Crowthorne and throughout Berkshire. The work is led by Neil Smuts (MCIOB, MInstNDT, FRCSP), President of the UK Concrete Scanning Standard and a Fellow of the Register of Concrete Scanning Professionals, the person who leads the national standard for concrete scanning. The scan confirms RAAC, maps the reinforcement, and gives John Staves (CEng FIStructE, MIoD), a chartered structural engineer and one of the UK's leading specialists in RAAC, the evidence his assessment needs.

  • Led by Neil Smuts, President of the UK Concrete Scanning Standard and Fellow of the Register of Concrete Scanning Professionals
  • Confirms RAAC and locates its reinforcement without opening up the structure
  • Building stays in use; quiet, room-by-room work
  • Results feed straight to a chartered RAAC engineer, John Staves CEng FIStructE MIoD

Based in Finchampstead, Wokingham. Crowthorne is local to us.

RAAC scanning in Crowthorne, Berkshire, by Structured Carbon
Thousands of m²of RAAC surveyed, with GSSI and Proceq radar and ultrasonic instruments read by the man who leads the national scanning standard
1 to 2 daysis usually how soon we can be on site in Berkshire; the report follows within five working days of the visit
Under 15%of replacement cost is where a bespoke CFRP scheme frequently lands across the RAAC tenders we cost
£10m PIprofessional indemnity held to a maximum of £10 million; every assessment signed by a Fellow of the IStructE

What RAAC scanning in Crowthorne tells you

Two things cannot be seen from below a ceiling: whether a panel is RAAC at all, and where its reinforcement is. Scanning answers both. It separates RAAC from dense concrete by its internal structure, and it maps the reinforcement in each plank, including whether the bars reach the bearings, which is where RAAC planks are most likely to fail. The results are logged to a location plan for every panel scanned, ready for structural assessment.

Who scans your building

Our scanning is led by Neil Smuts (MCIOB, MInstNDT, FRCSP), President of the UK Concrete Scanning Standard and a Fellow of the Register of Concrete Scanning Professionals. The UK Concrete Scanning Standard is the national standard for concrete scanning, and Neil leads it. That matters because scanning is only as good as the person interpreting it: RAAC, voids, dense concrete and previous repairs can all look alike to an untrained operator. Every scan we carry out in Crowthorne is read by the person who owns the Assess stage of our RAACSafe™ Protocol, and the results go directly to John Staves (CEng FIStructE, MIoD), a chartered structural engineer and one of the UK's leading specialists in RAAC, for assessment.

Is it RAAC or ordinary concrete? Identification in Crowthorne

The most common question from schools, academies, NHS estates and councils in Crowthorne is the simplest one: is this roof RAAC or ordinary concrete? From below they can look identical. Ground penetrating radar and ultrasonic scanning settle it in minutes per panel, because RAAC's light cellular structure and its reinforcement pattern read very differently from dense concrete. The same scan locates the reinforcement and checks whether it reaches the bearings, the single most important fact about a RAAC plank. Scanning is included in our visual survey, from £395, and in every engineering inspection.

Where RAAC hides in Crowthorne

Crowthorne is home to Wellington College, Broadmoor Hospital and the Transport Research Laboratory site now being redeveloped for housing. With around 15,200 residents in the Bracknell Forest Council area, it has institutional and school buildings of every period from Victorian to 1980s. Frimley Park Hospital, which serves this part of Berkshire, is a publicly identified RAAC hospital and is being replaced under the New Hospital Programme, which has put RAAC on the agenda for every estates team in the area. Buildings of that period are exactly where RAAC turns up: flat or low-pitched roofs, sometimes floors and walls, in schools, halls, health buildings, sports centres and offices built between the 1950s and the mid 1990s.

Where to begin if you manage property in Crowthorne

The question is not "does Crowthorne have RAAC" but "which of my buildings might". The answer sits in the construction dates. Buildings of the RAAC era in and around Crowthorne, Sandhurst and Bracknell typically include institutional and school buildings of every period from Victorian to 1980s. Pull the dates for each, note which have flat roofs, and treat every one that fits as unconfirmed until a RAAC scanning says otherwise. We are happy to look at the list with you before anything is booked.

Scanning as part of a RAAC survey

Scanning sits at the front of a chain. Scan and survey establish the facts about each panel in Crowthorne; the assessment by John Staves (CEng FIStructE, MIoD), a chartered structural engineer and one of the UK's leading specialists in RAAC turns those facts into a decision; and where that decision is to strengthen rather than replace, the CFRP is designed to the scan and survey data, manufactured in the UK, installed with the building in use and monitored afterwards. Together they ensure safe, quality-controlled delivery throughout. Full RAAC surveys in Crowthorne include the scan as standard. Across the RAAC tenders we cost, a bespoke CFRP scheme engineered for that exact roof frequently comes in at well below 15 per cent of the cost of full replacement. On one tender, a roof costed at around £40 million to replace was priced for strengthening at under £4 million.

The practical questions, answered

How soon: we can usually be on site in Berkshire within one to two days. How long: the report follows within five working days of the site visit, depending on the size of the survey and the level of detail required. When: evening, weekend and holiday visits are no problem. With what: GSSI Flex NX and GSSI StructureScan Mini ground penetrating radar, Proceq GP8800 and GP8100 radar, the Proceq Pundit PD8050 ultrasonic tomograph, and other electromagnetic and ultrasonic NDT instruments. How much experience: we have surveyed thousands of square metres of RAAC. Insured: professional indemnity insurance is held to a maximum of £10 million, with public and employers' liability arranged on a per-site basis. Where: Berkshire, Hampshire, Surrey, Oxfordshire and Buckinghamshire are local to us, and we work across the UK, and Crowthorne is on our doorstep.

Who does the work

Two named specialists, one team

Neil Smuts, MCIOB MInstNDT FRCSP

Survey, scanning and monitoring. President, UK Concrete Scanning Standard

Neil leads the survey, scanning and monitoring side of every Structured Carbon project. He is President of the UK Concrete Scanning Standard, a member of the Chartered Institute of Building and the Institute of NDT, and a Fellow of the Register of Concrete Scanning Professionals. LinkedIn

John Staves, CEng FIStructE MIoD

Structural assessment and CFRP design

John is a chartered structural engineer and one of the UK's leading specialists in RAAC. He carries out the structural assessment and designs every strengthening scheme. John received both the Regional and the National Innovation Award at the HSBC Commercial Banking and Federation of Small Businesses Small Business Growth Awards for his work on RAAC repair. LinkedIn

Meet the team

Thank you, we have your enquiry

One of the team will come back to you within one working day. If it is urgent, call +44 118 430 8430.

Tell us about your RAAC

Free initial advice from a RAAC surveyor and a structural engineer, not a sales desk.

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Questions from Crowthorne

RAAC scanning FAQs

Can scanning tell RAAC from ordinary concrete?

Yes. RAAC has a light, cellular internal structure that reads very differently from dense reinforced concrete. That difference, plus the reinforcement pattern, is how a scan confirms the material.

Does the scan show where the reinforcement is?

Yes. Locating the reinforcement, including whether it extends to the bearings, is the main reason to scan RAAC. Bearing length is the single most important factor in how a RAAC plank behaves.

Do you scan the whole roof?

We scan every accessible panel that could be RAAC, recorded to a location plan. For a large estate in Crowthorne we agree the scope with you first, but the principle is that unscanned panels are unknown panels.

Who interprets the results?

Neil Smuts (MCIOB, MInstNDT, FRCSP), President of the UK Concrete Scanning Standard and a Fellow of the Register of Concrete Scanning Professionals, leads and reads every scan. The results go to John Staves (CEng FIStructE, MIoD), a chartered structural engineer and one of the UK's leading specialists in RAAC, for structural assessment.

Can you scan a school in Crowthorne during term?

Yes. Scanning is quiet, room-by-room work. We plan it around the timetable or use holidays and out-of-hours periods where a school prefers.

Is scanning enough on its own?

It confirms the material and maps the reinforcement. To know what condition the panels are in and what to do, you need the condition survey and a structural assessment as well. We offer all three together as a RAAC survey in Crowthorne.

What areas do you cover?

We are based in Finchampstead, Wokingham, so Crowthorne is on our doorstep. Berkshire, Hampshire, Surrey, Oxfordshire and Buckinghamshire are local to us, and we scan RAAC across the UK.

Not sure whether a roof in Crowthorne is RAAC? Send us the building's age and type and we will tell you whether a scan will settle it, and what it involves.