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Structural engineers in Plymouth

Structural calculations, surveys and design for homes, developments and commercial buildings across Plymouth and south-west Devon.

Rock, slate and variable ground

Plymouth sits on Devonian limestone and slate, with rock frequently close to the surface. That often provides excellent bearing, but it brings its own problems: excavation is harder and more expensive, rockhead level varies sharply across a site, and services and drainage runs need planning around it.

Limestone also brings the possibility of solution features and voids in places. Where the ground is not consistent across a site, foundations can end up part on rock and part on softer material, which is a differential settlement risk that needs designing for rather than discovering.

Coastal exposure

Plymouth is an exposed coastal city, and wind loading is higher than in sheltered inland locations. Salt-laden air accelerates corrosion of exposed steelwork, fixings and reinforcement, which matters for balconies, canopies, external stairs and anything near the waterfront.

Durability is a design consideration here rather than a maintenance one, and detailing for it at the outset is far cheaper than remediating later.

Post-war construction

Plymouth was heavily bombed and substantially rebuilt, which leaves an unusually large stock of post-war construction, including system-built and non-traditional types alongside conventional building.

Non-traditional stock needs identifying by system before assessment, because each type has its own known behaviours. Post-war concrete construction also raises the usual questions about cover, carbonation and reinforcement condition.

Plymouth

Local considerations.

What tends to govern a structural job in this area.

Devonian limestone and slate with rockhead varying sharply across sites
Possible solution features and voids in limestone areas
Coastal exposure with high wind loading and salt-driven corrosion
Extensive post-war and non-traditional construction

Services

The full structural remit in Plymouth.

Every service is available here. Choose one to read more, or tell us your project and location.

Selected work

Real structures, surveyed and engineered.

All work →

Sport and recreationCharlton Athletic FC, The ValleyTwo steel monopitch stand roofs rising to 27 metres were assessed for a proposed solar PV installation. Both were cleared to carry the arrays as they stand, and the fragile roofs were surveyed entirely by drone with nobody working at height.

Read →

Manufacturing and industrialWienerberger, Tamworth

EducationCarlisle College

Film and mediaDragon Studios, Pencoed

Questions

Common questions

Do you cover Plymouth and south-west Devon?

Yes, across Plymouth and the surrounding area, and nationwide.

Is rock close to the surface a good thing?

Usually for bearing, but it makes excavation harder and rockhead level can vary sharply across a site. Foundations part on rock and part on softer ground are a differential settlement risk that needs designing for.

Does the coastal location affect design?

Yes. Wind loading is higher than inland, and salt-laden air accelerates corrosion of exposed steel, fixings and reinforcement. Durability is a design consideration here, not a maintenance one.

Can you assess post-war system-built housing?

Yes. Identifying the system type comes first, since each has its own known behaviours and failure modes.

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