The Downland Gridshell
Conservation Store and Workshop

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Excavation , Foundations and Ground Floor Blockwork

May 2000

Excavation of the site commenced, the excavated chalk was used as fill material for the construction and improvement of farm roads in the locality, avoiding expensive transport and tipping costs and minimising environmental impact.

gridshell excavation from the east

June 2000

Excavation completed in preparation for the installation of the large concrete ducts under the oversite.  These ducts form part of the environmental control system and circulating air will transfer excess heat from the building during warmer periods to the chalk below the building which will act as a heat sink.  Heat will be released back into the building when the air temperature in the building falls below that of the chalk.

gridshell drainage

July 2000

This picture shows the steelwork for the reinforced concrete strip foundations and the various stages of constructing the reinforced concrete slab; blinding with sand, waterproof membrane, concrete and in the distance the steel reinforcing for the slab.

gridshell slab

gridshell slab and reinforcing

August 2000

The foundation slab is complete and the extension to the slab to form the plant room on the lower floor is being constructed (08/08/00)

Foundation slab for delivery area

The blockwork and reinforcing for the walls to the ground floor store are rising quickly (08/08/00)

gridshell blockwork

The timber subframes  are in position for the doors from the reception area to the conservation workshop and special store (18/08/00)

Entrance and conservation workshop and store

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