LID WINS AGAIN: Modern Bioswales and Detention to the Rescue

floodedFocalPoint Powered Bioswales Beat Hurricane Harvey

The original traditional-driven design approach of the 90-acre community was to use stormwater canals to manage stormwater while offering 100% of the homes to be built on an amenity. The canals would be required to manage the 100-yr 24-Hours Flood Event (approximately 13-inches in 24-hours) with detention canals. While a workable approach, was it the best approach? How did Construction EcoServices create a better solution that was quick to be tested by Harvey?

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FLEXIBLE DETENTION: Going Where No Detention System Has Gone Before

excavating-1Using R-tank for an Underground Detention System

The new Auction House Market in the Central Business District faced a tough obstacle, how do you manage runoff with a zero lot line and no landscape? After the civil engineer considered construction costs, installation processes and long-term maintenance, a modular subsurface detention system seemed to be the best option. However, the building was over 150 years old and was limited on space, so how could heavy excavation equipment be used? In addition, few contractors are familiar with installing modern underground detention systems. How could Construction EcoServices help solve these challenges?

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Queenston-Manor-3Traditional Design vs. FocalPoint HPMBS

Faced with the harsh reality that this project might no longer be viable due to the amount of area that would be lost to a detention pond, the engineering firm of Edminster, Hinshaw, Russ and Associates asked Academy Development if they would be open to a Low Impact Development-based design. 

  • Next generation LID design with FocalPoint gained two additional revenue generating structures by reducing the amount of space needed for detention.

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MIDTOWN DEVELOPMENT: The First Certified Greenroad

Bagby4_wThe True Value of LID Design

Not only is Bagby aesthetically appealing, it is also environmentally friendly and is one of Texas' first certidied Greenroads.

Landscaped planter boxes, paver sidewalks, and hardwood seating areas along the route are just a few of the additions that add to the pedestrian experience. Bagby is aesthetically appealing and is one of Texas' first certified Greenroads. 

  • FocalPoint required 1/20th of the space a typical biofiltration system

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GREEN ROADWAY: Modern Bioswales

Birnamwood_July2013-14Traditional Roadway vs. FocalPoint HPMBS

The first roadway project in the Houston area to implement Low Impact Development (LID) techniques and is viewed by Harris County as a stepping stone to implementing LID.

  • Media requirement by 2200 CY
  • Factors of safety increased dramatically
  • Reduced maintenance

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Increase Lot Yield Using LID

A decrease in peak runoff allows for up to a 40% decrease in detention volume. If you couple that with integrated drainage into your landscaping, developers begin to pick up real estate once lost to detention ponds.

  • Gained three additional lots, or 15% more homes

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PARKING LOT RETROFIT: Parking Lot Bioswales


No Net Impact to the Watershed

Aguirre & Fields specializes in infrastructure planning and engineering across the state of Texas designing projects with Low Impact Development in mind and now also uses their own facility as living laboratory. They now have one of the first LID based sites in Fort Bend County.

  • Reduced annual potable water use by over 50%
  • Water leaving the site has no net impact on the watershed

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