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Blue Tit leaving Nestworks Block at the Union Street Urban Orchard.  Photo: Peter Thomas

The adapted readymades, fashioned from a standard Lignacite block, were the first prototypes installed for the 2010 London Festival of Architecture, so its fitting that they were also the first to be occupied.

Commissioned by the Architecture Foundation as a permanent legacy for the festival, Nestworks feature in the ‘Union Street Urban Orchard Book : A Case Study of Creative Interim Use’ which will be available from The Architecture Foundation website and at the book launch tonight.

We discovered that the standard hollow block used to build some of London’s most celebrated architecture is made from concrete bulked with recycled woodshavings, a material that when used in nestboxes is proven to fledge more young than any other.

Synergistically the interior block dimensions are text book size for house sparrows, radically in decline in the area. Other species designed for are blue tits, great tits, starlings, wrens, robins and blackbirds.

A website, www.urbanbirds.net,  launches on Valentine’s Day to allow nesting activity to be tracked by families and bird lovers across the area. Nestworks is a public project and a people’s project, commissioned by the Architecture Foundation as a permanent legacy for the London Festival of Architecture.

Dayn Williams edited, and Dan Swietlik co-edited Carl Erik Rinsch’s futuristic action thriller short film, The Gift, which has won the inaugral Gold Film Craft Lion at the 2010 Cannes Lions International Advertising Festival.

You can read the full story here and watch it here.

The architecture and landscaping is an extension and embodiment of Creede and the very visible spirit that has created it.  The attitude and spirit of the mountain settlers was, and continues to be, unique.  Local architecture reflects the values and sensibilities of its people, and this is particularly visible in places somewhat off the beaten track, where people have had to wrestle with available raw materials to survive and to make their livelihoods.

51% studios are using the same kind of thinking that’s been used for well over 100 years in this valley, using the local site conditions and materials in frank ways that reflect awareness of their inherent attributes.

Green roofs have significant benefits both for the public/community and for the individual building owner. Primary public benefits include controlling stormwater runoff, improving water quality and improving air quality. The most significant benefits of green roofs for building owners are reductions in building operating costs, significantly longer roof life and lower life-cycle costs for the roof, and increased property value.

The green roof serves as a filter to reduce pollutants in the water and also to lower the temperature of the water that is eventually returned to the watershed.

Although a green roof initially costs more than a conventional roof — $10 to $20 per square foot for a green roof versus $5 to $10 per square foot for a conventional roof — they more than make up for that difference over time. Green roofs extend the lifespan of the roof membrane significantly by protecting it from sunlight and temperature variations. As a result, green roofs can conservatively be expected to last two to three times longer than a conventional roof. Experience with green roofs in Germany shows that 40+ and 50+ life spans for green roofs should be expected.

Because of their insulating properties, green roofs reduce the heating and cooling costs for buildings by at least 10 to 15 percent. A Canadian study showed that a 6-inch extensive green roof can reduce heat gains by 95 percent.

On the banks of Willow Creek, green roofs will also improve the aesthetic quality of the buildings, to soften them and integrate with the native prairie landscape, using desert plants which need low or no maintenance.

The steel structure of the indoor arena however quickly becomes expensive if asked to take on a sod roof in addition to snowloading. Structures that carry load through pure tension (hanging) require  a fraction of the material required by bending structures such as beams or trusses and provide an efficient way of carrying an extensive green roof in addition to non-uniform snow loads.

The design is responsive, site specific and provocative: informed by ornithological derives with Peter Holden, locally celebrated for initiating the annual peregrine falcon public views at Tate Modern. The project was commissioned by the Architecture Foundation, and takes its inspiration from Witherford Watson Mann’s Bankside Urban Forest Strategy.

Nestworks 1 2 3 are a direct response to the festival’s theme of exchange: of knowledge, habitat, materials. We discovered that the standard hollow block used to build some of London’s most celebrated architecture is made from concrete with 55% recycled woodpulp, a material that when used in nestboxes is proven to fledge more young than any other. Synergistically the interior block dimensions are text book sizes for house sparrows, radically in decline in the area. Other species designed for are blue tits, great tits, starlings, wrens, robins and blackbirds.

Nestworks 1 2 3 is a legacy project delivered with support from Peter Holden, the Architecture Foundation, Riverford Organic and Lignacite.

Maps showing locations of the Nestworks, some of which are hidden, will available in the Orchard at Union Street from June 19th, or to download.

A related birdwalk and a new talk by Peter and Andy Holden will take place on Saturday 3rd and Sunday  4^{th July}.  Peregrine viewings at the Tate are daily from 12 noon to 7pm, 17 July to 12 September 2010.