Timber Gridshell Structures

STEPHEN CORBETT and ANDREW HOLLOWAY THE GREEN OAK CARPENTRY COMPANY LTD

The Downland Gridshell Gridshell comprising 50 x 35mm oak laths.

The structure has a span of 12 -15 metres and is 50 metres in length overall

Architect Edward Cullinan

Architects Engineer Buro Happold Builder E A Chiverton’s Timber Structure The Green Oak

Carpentry Company

Sine curve motion induced into 50metre long oak lath.

The Archive Store. 50 x 10 M concrete block box with reinforced concrete core.

480 x 190 whitewood glulam beams assembled.

Deck and boundary arches complete and ready for scaffold.

GOCC carpenters begin assembly of the Peri ‘Rosetti’ scaffold system.

Scaffold complete for access and lowering.

Grading the oak laths.

Laths were finger jointed in the factory to 6M lengths and feather scarfed on site.

Walk the line!

Layer 1.

Layer 2 complete.

The node clamp.

All 4 layers assembled.

Peri props and ladder beams form the armature. Forming the shell commences.

Raking props assist in supporting the edges.

Going. . . .

Going . . .

Still going . . .

Still going. . .

Gone!

Edge condition.

Intermediate doubled up laths being inserted.

Shell edge locked down and cladding commences.

Ribbon roof support.

Ribbon roof decking assembly.

Roof cladding and polycarbonate clerestory complete.

Locally grown WRC cladding.

Laminating the oak boundary arches.

Cladding complete.

Completed building.

Savill Gardens Visitor Centre Gridshell roof comprising 80 x 50mm larch laths with ply skin.

The structure has a span of 24 metres and is 90 metres in length overall

Client The Crown Estates Architect Glenn Howells Architects Project Engineer Engineers HRW Roof Engineer Buro Happold Main Contractor William Verry Timber Structure Specialists The Green Oak Carpentry Company

Site testing the laths for defects by inducing curvature before installation onto the building

Edge condition and blocking prior to fitting layers 3 and 4.

Photos  of  the  Savill  Building  courtesy  of  Warren      

Timber Gridshell Structures

STEPHEN CORBETT and ANDREW HOLLOWAY THE GREEN OAK CARPENTRY COMPANY LTD

Thank you