After Green Street acquired the former Missouri Boiler facility, we saw an opportunity to bring up a location once overlooked for its industrial use. As the surrounding Lafayette Square and Gate District neighborhoods continued to grow and become more modern, this was the perfect chance to revitalize and reuse the area. Today, Chouteau Crossing is home to two great businesses and two LEED-certified buildings. In 2011, we were awarded the City of St. Louis – Development of the Year, and this location also features St. Louis’ highest-rated LEED structure, the Sheet Metal Workers’ Local 36 facility.


Dynalabs is a growing pharmaceutical testing company who quickly emerged from the City of St. Louis’ business incubator. One of the ways we work with clients revolves around helping companies afford to grow, Dynalabs is a prime example. With a company like Dynalabs and plans for green construction, we were able to secure tax abatement, tax increment financing, brownfield tax credits, and $6 million in New Market Tax Credit allocation from the St. Louis Development Corporation. We were also able to develop an innovative lease structure to allow for ongoing business expansion, while allowing for the space requirements of their projected growth.

Recently, as their business has grown, Dynalabs was able to take advantage of our original development to expand. By utilizing the existing structure, we were able to plan for 2011, and growth in the years to come. Their building offered enough space for a second floor – which has a allowed for even more lab space. As partners with Dynalabs, we have also made it possible for their company principals to purchase the building from Green Street and become sole owners in the future.

Sheet Metal Workers’ Local 36

Local 36 Building St. Louis’ greenest building means taking into account every part of a project, to build sustainability into every square foot. The Local 36 building consists of industry-leading green technology, and also serves to lead the metal-working industry as an international training facility. With so many sustainable building practices rolled into one building, we were able to deliver a beautiful building that will reduce emissions through the test of time. Everywhere you look, inside and out, this building represents a greener, smarter future.

Building greener

This project’s LEED Platinum certification starts with green construction, we retained 70% of the original construction and used 40% regionally made materials to build new elements. While a lot of sustainable elements are easy to recognize, including recycled metal exterior panels and renewable cork and bamboo throughout the building, many go unnoticed. Starting at the roof, the Local 36 building has solar panels, wind turbines, a 6,000-square-foot green roof and a 4,000-square-foot rooftop garden. Deep below the ground – 18,200 feet more precisely – geothermal wells help regulate the heating and cooling for the entire building.


Some of the many other green elements focus on rainwater management, in which the vast majority of rain never reaches a sewer. The water is used to water the rooftop gardens, flush urinals and toilets, funneled to greenery around the parking lot, and whatever remains is stored in a detention pond to slowly release into the surrounding area.

It’s an investment in the future.

Project In Numbers
129,500 SF

LEED Certification

Sustainable Sites
  • Site selection
  • Development density and community connectivity
  • Brownfield redevelopment
  • Alternative transportation (public transportation access, bike storage, fuel efficient vehicles, parking capacity)
  • Site development (maximize open space)
  • Stormwater design (quantity, quality control)
  • Reduce heat island effect (roof materials and full build)
  • Light pollution reduction
Water Efficiency
  • Water efficient landscaping (reduced by 50%+ and no potable water used in irrigation)
  • Innovative wastewater technologies
Energy and Atmosphere
  • Optimize energy performance
  • 49% energy savings from calculated baseline
  • 15% onsite renewable energy via solar, wind and geothermal
  • Installation of solar voltaic system
Materials and Resources
  • Light colored roofing material for lower emissivity
  • 75%+ of construction waste diverted from disposal
  • 70% of the original building structure retained
  • 6,000 sq ft. green roof & 4,000 sq. ft. rooftop garden (Local 36)
  • 40% of construction materials regionally manufactured
  • Use of rapidly renewable materials (bamboo, cork)
  • Use of certified wood
Indoor Environmental Quality
  • Outdoor air delivery monitoring
  • Increased ventilation
  • Construction IAQ management plan – during construction, before occupancy
  • Low-emitting materials (adhesives, paint, carpet and composite materials)
  • Indoor chemical and pollutant source control
  • Controllability of systems for lighting and HVAC
  • Thermal comfort (design, verification)
  • Daylight (75%) and views (90%) throughout the building