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7.01 The Hartford Green Capitol Project: Stormwater Management Techniques for Low-impact Development

Friday, October 4, 2013
10:30 AM-11:30 AM
Track: Environmental Stewardship and Sustainability
Format: Case Study
Organization: IFMA
Knowledge Level: 200 level
Session Description: The Hartford Green Capitol Project demonstrates several methods for retrofitting an existing property with low impact stormwater management techniques. The methods used were: a green roof, pervious surfaces, rain gardens and a rainwater harvesting system.

Green roofs capture rainwater for evapotranspiration; delay and lessen runoff into storm drain systems; reduce heat island effects; can reduce heating and cooling costs; and can provide ecological value to urban areas.

Pervious walking and parking areas reduce stormwater runoff, recharge groundwater, and eliminate ponding. The porous parking area paving is located on the north and west sides of the Capitol facing Bushnell Park, and pervious walkways are around the building and along the areas where the cistern and rain gardens are located.

Rain gardens reduce the need for grey infrastructure, conventional pipe structures, and provide ecological and aesthetic value to urban areas. Rain gardens on either side of the driveway entrance from Capitol Avenue demonstrate a residential application, while another along the driveway southeast of the Capitol building demonstrates a street retrofit for urban applications. It is hoped that these rain gardens will spark interest for creating bump-outs or bio-swales for urban parking lots or streetscapes. The design at the Capitol provides treatment for the first flush of a rain event.

The rainwater harvesting demonstration consists of a cistern to capture rainwater from several of the building’s roof leaders and reduces runoff by storing it for use to supplement the irrigation system on the Capitol grounds. The cistern is installed below ground at the southeast corner of the Capitol building. This system utilizes roof top rainwater to reduce irrigation costs.

Learning Objectives:
  • Learn about the concept of a low-impact development retrofit on a National Historical Landmark property.
  • Review the four different stormwater management methods used in the project.
  • Discuss the practical application and considerations for selection of methods for implementation.
  • Your questions and concerns addressed.
  •     Conference Proceedings
    Speaker:

    Joseph Drew, MBA, CFM, PMP, SFP, SFIA Facility Sustainability Fellow
    Connecticut General Assembly
    Facilities Project Manager
    Office of Legislative Management

    Jay Drew is the facilities project manager for the Connecticut General Assembly. He holds an MBA in sustainability from the San Francisco Institute of Architecture, where he also serves as the Facility Sustainability Fellow. Jay was appointed to the IFMA Subject Matter Expert Team for sustainability, working to develop the online and classroom curricula for IFMA's Sustainability Facility Professional credential. He now sits on the IFMA International Sustainability Committee as the Connecticut Chapter Sustainability Liaison. More recently, Jay was named an IFMA Content Analysis SME for the following competency areas: emergency preparedness and business continuity, communication and quality, working to review, revise and redefine the facility management body of knowledge.