Mt Difficulty Winery Wine Barrel Store
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Mt Difficulty Winery Wine Barrel Store; Photo Courtesy of Stormwater360.Project Name: Mt Difficulty Winery Wine Barrel Store
Year: 2012
Owner: Mt Difficulty Wines
Location: Bannockburn, Central Otago, New Zealand
Building Type: Commercial
Type: Extensive
System: Single Source Provider
Size: 9688 sq.ft.
Slope: 1.6%
Access: Accessible, Private
Submitted by: Greg Yeoman, Stormwater360

Designers/Manufacturers of Record:
Designer: Greg Yeoman, Stormwater360
Grower: Central Otago Property Services
Installation: Stormwater360
Modular Greenroof System: LiveRoof®
LiveRoof® Supplier: Stormwater360, New Zealand
Growing Medium: UrbanGreen Roofmix, Stormwater360
Architectural Designer: Wild Rooster Design
Mt Difficulty Winery Wine Barrel Store; Photo Courtesy of Stormwater360.Photographs taken during and upon completion of the installation of the LiveRoof living roof onto Mt Difficulty wines barrel store by Stormwater360.Mt Difficulty Winery Wine Barrel Store; Photo Courtesy of Stormwater360.
New Zealand's Central Otago Pinot Noir is a world renown drop of red and Mt Difficulty Wines are sure to feature right up there in many a decent wine list. Due to the increasing popularity of their wine, Mt Difficulty had to scale up their boutique winery to cope with the demand. In an effort to cater for the larger volumes of wine, a new barrel store was required.

"The Mt Difficulty Winery was designed as a low energy input winery. The entire winery is housed in insulated buildings, and our new barrel hall is sunk below ground level to enable even more stable and lower energy inputs. Any tanks which are housed outside are also insulated. Our policy has always been to build in energy efficiency for the long term and to seek out innovative technology to keep us ahead of current practice...The Mt Difficulty vineyards are managed in a way that reflects our commitment to be as gentle with the environment as we possibly can. We use no harsh insecticides or herbicides, preferring softer alternatives instead, many of which are organically certified," (Mt Difficulty Wines).

The task for the new barrel store in Bannockburn, Cromwell, New Zealand was to create a temperature controlled and environmentally conscious space that would fit into the surrounding Central Otago landscape. Winemaker and General Manager of Mt Difficulty wines, Matt Dicey worked alongside Wild Rooster Design to develop a design to fit the brief. The resulting building is an earth toned exposed aggregate pre-cast panel construction buried back into the hillside with a vegetated living roof covering the entire 900m2 roof footprint.

Temperature control is a vital component of wine making and was a key factor in the design. Matt Dicey comments "In many ways the design revolved around the functionality of the space. In an effort to keep the temperature at the correct constant temperature the building is set into the earth hillside at the back sides and a 150mm deep vegetated roof is being installed on the insulated roof slab. By spending a bit more money at the start on the design and construction, we will end up saving a lot on money on heating and cooling costs."
Photographs taken during and upon completion of the installation of the LiveRoof living roof onto Mt Difficulty wines barrel store by Stormwater360.Mt Difficulty Winery Wine Barrel Store; Photo Courtesy of Stormwater360.
Stormwater360 New Zealand was commissioned to carry out the design and installation of the living roof. Using the 6” deep LiveRoof pre-vegetated modular system, Stormwater360 contracted a local grower to propagate and grow the 4800 modules. Modules were planted by Central Otago Property Services with a mix of local native grasses, wild thyme and locally sourced stonecrop sedum. Stormwater360 designer Greg Yeoman discussed the design.

"The brief was to incorporate local grasses and stonecrop sedum. From this we developed a palette of grasses suited to the lightweight pumice based growing medium and mixed in locally sourced thyme for aromatics and sedum for colour." The design layout interacts with the surrounding hillside where 4,000+ native plants and trees are being re-established as part of the development. "The flowing lines of the plant groupings emulate the hill contours. The dramatic hillside is a great backdrop with the scarred sluice marks from the old gold rush days and rugged central Otago grasses."

The 900m2 (9688 sq ft) LiveRoof system by Stormwater360 New Zealand incorporates 150 depth lightweight UrbanGreen Roofmix substrate by Stormwater360 and is designed for biodiversity, evaporative cooling (using process water), heat retention and aesthetic enhancement of the barrel store roof for the Mt Difficulty Restaurant and tasting rooms above. Installation of the living roof was completed 30th March 2012 and due to ease of installation of the pre-vegetated modular system took 4 days to complete. The roof can be viewed looking down from the Mt Difficulty restaurant and tasting room while enjoying a glass your favorite wine.

At the time of completion, the 900m2 living roof was the largest single extensive living roof in New Zealand.

Additional thumbnail photos:

Mt Difficulty Winery Wine Barrel Store; Photo Courtesy of Stormwater360.Mt Difficulty Winery Wine Barrel Store; Photo Courtesy of Stormwater360.Photographs taken during and upon completion of the installation of the LiveRoof living roof onto Mt Difficulty wines barrel store by Stormwater360.Mt Difficulty Winery Wine Barrel Store; Photo Courtesy of Stormwater360.Mt Difficulty Winery Wine Barrel Store; Photo Courtesy of Stormwater360.
Mt Difficulty Wines is located at 73 Felton Road Cromwell, Bannockburn Central Otago 9384, New Zealand; 03-445 3445; mtdifficulty.co.nz‎; see their sustainablity page. Watch the 2:55 Mt Difficulty LiveRoof by Stormwater360.mp4 video on YouTube. For more information about the Mt Difficulty Winery project, contact Greg Yeoman of Stormwater360 at: +64 9 476 5586; or GregY@stormwater360.co.nz; visit www.stormwater360.co.nz. Learn about LiveRoof in The Greenroof & Greenwall Directory.
 
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