STORMWATER MANAGEMENT FOR
INCREASE IN BUILDABLE LAND & PROPERTY VALUE
A reduction in detention requirements means more land can be used for revenue-generating development instead of detention. Multifunctional Design can increase the amount of buildable land by upwards of 45%.
LESS EXPENSIVE THAN TRADITIONAL STORM DESIGN
Multifunctional Design can be used to eliminate or reduce detention ponds, large pipes, catch basins, and stormwater quality units. Additional real estate is saved using areas already designated for landscaping and parking for conveyance and storage.
INCREASE BUILT LAND RESILIENCY
Multifunctional Design enhances resiliency to the built environment. Features such as bioswales, rain gardens, underground detention and permeable pavers enhance stormwater management capabilities that reduce vulnerabilities to flooding and increase groundwater recharge.
capturing, treating and preserving stormwater
The Low Impact Development (LID) paradigm, also known as Green Infrastructure (GI) is predicated on capturing, treating and preserving stormwater where it hits the ground. Common LID strategies integrate green space, native landscaping and passive natural treatment that mimics nature. LID commercial and residential communities are more valuable, more attractive and more environmentally sustainable. LID is simple, less costly and more effective than traditional stormwater management.
Common LID Solutions
- Biofiltration & Bioretention
- Porous / Permeable Paving
- Rainwater Harvesting
- Infiltration
- Roots & Street Tree Management
- Bacteria Filtering
- Nitrogen & Phosphorous Filtering
- Pretreatment
Let Us Tell You More About LID
Ask Us About A Lounge & Learn
Our Lounge & Learn will specifically discuss how to use LID and other innovative new design approaches, specifically addressing how this is being done in in your region. LID is being used throughout United States to add value to engineering firm’s offering and allowing them to differentiate themselves in the market, save real estate, to increase buildable land and lower developer’s overall costs.
Convergent Water Technology has been instrumental in making LID a viable option for developers throughout the USA. Our ability to assist in design, construction and maintenance of these features simplifies the entire process.
No obligation and includes certificate for 1-credit towards continuing education.
Featured LID Innovation
FocalPoint Biofiltration System
While automation is not new, stormwater automation is only in its infancy. It’s no wonder Construction EcoServices, a leader in Stormwater Innovation has been involved in many of the first stormwater automation projects. From managing subsurface underground detention / rainwater harvesting systems through weather predictive technology to creating automated settling ponds for stormwater quality, Construction EcoServices is once again on the bleeding edge of stormwater management. The future of stormwater is automated, through controls, sensors and telemetry, we will soon change the way stormwater is managed. A move from passive control to active control is on the horizon.
CASE STUDY
Going From Traditional Design to LID Notably Increased Profits
SUMMARY:
Located outside of the City of Houston in Fort Bend County, the single-family residential project known as Camellia is a great example of how Stormwater Multifunctional Design can benefit the community, future residents, and the developer of the project. An evolution of Low Impact Development (LID) / Green Stormwater Infrastructure (GSI) techniques, the Stormwater Multifunctional Design approach increased lot yield and saved noteworthy development costs.
SITUATION:
The original design intent 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. The results of this plan were:
- Lot Yield – 224 residential lots
- Cost Per Lot – $34,700
- Total Construction Cost – $7,770,500.
Could a Stormwater Multifunctional Design approach do better?
SOLUTION:
The Stormwater Multifunctional Design solution included bioretention basins that use high-performance biofiltration inside the medians of a development’s roadways to slow the flow of water, while also providing detention. The scalable biofiltration system FocalPoint was used, which combines the efficiency of high-flow rate engineered soils with the durability and modularity of a highly pervious expandable underdrain/storage/infiltration system. In addition, when dry, the bioswales would provide immense green space throughout the community with its decorative plantings allowing for 99% of the lots to face an amenity.
RESULTS:
The next generation biofiltration strategies allowed the engineer to use a smaller footprint, reduce contractor error during installation, and keep the long-term maintenance costs low. 99% of lots were amenitized by locations on green spaces, while the solution also reduced Total Suspended Solids by 85%, Total Phosphorus by 52%, and Total Nitrogen by 60%. In addition, the financial impacts of the Stormwater Multifunctional Design approach were:
- Lot yield – 99 more lots (323 total)
- Cost Per Lot – $13,543 less than traditional ($21,156)
- Total Construction Costs – $937,100 less than traditional ($6,833,400)
When Stormwater Multifunctional Design is utilized for stormwater management and flood mitigation, the result can be significant to the developer, making more real estate available, increasing lot yield and lowering overall costs.
