Nashville Music City Center
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The Nashville Music City Center Greenroof completed in June, 2012; Photo Courtesy of Greenrise TechnologiesProject Name: Nashville Music City Center
Year: 2012
Owner: City of Nashville
Location: Nashville, TN, USA
Building Type: Municipal/Government
Type: Extensive
System: Custom
Size: 191000 sq.ft.
Slope: 25%
Access: Inaccessible, Private
Submitted by: Joe Donnelly, rooflite® & Greenroofs.com

Designers/Manufacturers of Record:
Architect: Thompson, Ventulett, Stainback & Associates; Tuck Hinton Architects; and Moody-Nolan Architects
General Contractor Joint Venture: Bell & Associates Construction, Clark Construction Group, Harmony Construction Group
Pre-vegetated Mats: Sempergreen
Waterproofing Membrane: Sika Sarnafil
Roofer: Baker Roofing
Greenroof Design: Roofmeadow, with TVS
Anti-Slip System: Type N with Net and Sills, Optigreen®
Greenroof Installation: Greenrise Technologies
rooflite® Blender: Garick
Growing Medium: rooflite® Extensive MCL
Drainage: Enkadrain®/W 3601, Bonar
Maintenance: Greenrise Technologies with oversight from Roofmeadow
Optigreen® Distributor: Conservation Technology
Construction on the 4-acre roof beginsConstruction progressesAlmost finished
The Nashville Music City Center is a 1,200,000 square foot convention center completed in June, 2012 in the SoBro (South of Broadway) district in Nashville, Tennessee. Five stories high, the wavy roof has three independent green roof sections which mimic the area's rolling hills. The official groundbreaking for the Music City Center was held on March 22, 2010, and the new building opened in early 2013. The Music City Center makes it a part of their mission to focus on environmental sustainability and the Music City Center is LEED Gold certified for New Construction by the U.S. Green Building Council.

The new convention center hosts visitors and serves as a central meeting point for Nashville's residents. A wide green pavilion encircles the building on all sides, calling Nashvillians to enjoy the area's newest landmark and offers public space for art and music.

"The Music City Center has many sustainable features, including a green roof and a water reclaim tank so that excess rain water can be used for things such as flushing the toilets and site irrigation. In addition to these sustainable features, the Music City Center Team also envisioned installing solar panels. The Music City Center building was designed to accommodate a solar panel system over the grand ballroom portion of the roof. That portion of the roof is approximately 1 acre in size and is designed to hold approximately 4-6 lbs/sf," Nashville Music City Center website, see below.
Greenrise Technologies places rooflite® growing media using pneumatic blower trucks in December, 2011; you can see the Anti-Slip System Type N with net and sills from Optigreen. Photo Courtesy of rooflite®Sempergreen vegetated mats; Photo Courtesy of Greenrise Technologies
"The 191,000-square-foot greenroof was designed for stormwater retention and urban heat island reduction. It was essential that this iconic building embody the essence of “Music City, USA,” so the greenroof design represents the frets and body of a guitar—including solar panels incorporated into the design of the guitar body itself—while the roof “rolls” symbolize the rolling hills of Tennessee. From a performance perspective, the system is built to handle a 2.6-million-gallon stormwater offset. We carefully selected the most heat-tolerant, drought-tolerant plants, and we also blended and installed bioretention soil and structural soil for the greenroof as well as the surrounding grounds. Slated to receive an award from the national organization, Green Roofs for Healthy Cities, this project represents the ultimate fusion of aesthetics and engineered performance," (Greenrise Technologies).

The Music City Center's structure is comprised of 13,000 tons of structural steel and 110,000 cubic yards of concrete. The green roof has undulating surfaces with pitches ranging from 16 - 25%, which required slope stabilization of the media. Since the growing media depth was shallow at less than three inches deep, pre-vegetated sedum mats from Sempergreen were specified. "Roofmeadow specified Bonar's Enkadrain®/W 3601, a new thin drainage composite that is part of the Enkadrain family of sustainable products, as an underlayment and drainage system for the roof's organic materials," (Bonar Case History). And the Anti-Slip System Type N with net and sills from Optigreen® was used to hold the rooflite® Extensive MCL substrate and the sedum mats. Here are just some additional noteworthy Architecture and Design features:

* The total land area of the site is 16 acres and features a 65-foot difference in elevation from the northwest corner of the site to the southeast corner.
* The total square footage of the facility, including parking, is 2.1 million square feet. The actual building is 1.2 million square feet.
* A 360,000 gallon rainwater collection tank stores rainwater from the roof which is used to irrigate outdoor landscaping and flush the hundreds of toilets in the building.
* An array of 845 solar panels.

In 2014 the Music City Center in Nashville was the recipient of the Green Roofs for Healthy Cities Green Roof Special Recognition Award. The co-recipients for the Special Recognition Award were Roofmeadow, who designed the green roof, provided construction oversight, and oversees maintenance; Greenrise Technologies, who constructed the green roof and also conducts green roof maintenance; and tvsdesign, lead architect, who conceived the green roof project and laid out the signature green diamond pattern. In 2013 the Music City Center was named the winner of the 2013 Governor’s Environmental Stewardship Award in the Building Green category.

Additional thumbnail photos:

Construction on the waves; Photo Courtesy of rooflite®The Nashville Music City Center Greenroof completed in June, 2012; Photo Courtesy of rooflite®, © Aerial Innovations of TN, Inc.The Nashville Music City Center Greenroof completed in June, 2012. Photo Courtesy of Greenrise Technologies, © Aerial Innovations of TN, Inc.Featured for the month of February in the 2014 Greenroofs & Walls of the World(TM) Calendar. Photo Courtesy of rooflite®, © Aerial Innovations of TN, Inc.Blue Angles flying over the Music City Center; Photo Courtesy of Greenrise Technologies
Visit the Nashville Music City Center here; see their Green Roof page where you can see a 2:06 construction video; and visit their Facebook page. Watch the Clark Construction Webcam and the 2:15 video Nashville Music City Center - Project of the Week 11/10/14 from Greenroofs.com on the greenroofsTV channel on YouTube. See the project profiles from Greenrise Technologies; Bonar; and Big River Industries. Read the October 31, 2014 Music City Center Recognized with Green Roof Award of Excellence Prior to CitiesAlive Conference in Nashville Green Roofs for Healthy Cities Media Release; June 2014 Case study: Music City Center green roof by Allan Wingfield in Geosynthetics; May 16, 2013 Who Will Mow The Lawn On Music City Center’s Roof? No One by Blake Farmer from Nashville Public Radio; January 13, 2012 Music City Center Roof Goes Green by Adam Ghassemi from NewsChannel5.com; the January 9, 2011 Music City Center trims green roof plan by Anne Pain in The Tennessean; and the November 18, 2011 Currently Under Construction - The Music City Center Green Roof by Evan Morettini from the Roofmeadow blog, with lots of construction photos. The Nashville Music City Center is featured in the 2014 Greenroofs & Walls of the World(TM) Calendar for the month of February.

Learn about the following companies in The Greenroof & Greenwall Directory:
rooflite®; Roofmeadow; Sika Sarnafil; Optigreen; Sempergreen; Bonar (formerly Colbond); and Garick.
 
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