The City of Del Mar Improves its Main Camino with Trees and Silva Cells – In early 2019, 85 new trees planted with Silva Cell along the Camino Del Mar Streetscape – Silva Cells captures over 20,000 gallons of stormwater from the streets and sidewalks while supporting load-bearing surfaces above. – An integrated solution to… More
– Innovative Storm Water Solutions employed through Silva Cell technology where runoff from the public streets at North City East is treated using median and curbside biofiltration facilities that incorporate underground detention modules for pollutant control, hydromodification, and 100-year peak flow migration. – Silva Cells captured over 80,000 gallons of stormwater from the streets and… More
Soil structure (how soil particles are held together to form larger structures within the soil) is recognized as an important property of a healthy soil. Grading, tilling, soil compaction and screening soils during the soil processing and mixing process damages structure. To counteract the loss of structure, specifiers then add to it, utilizing a mined… More
Over the past 20 years compost has become a standard amendment for landscape site soils and topsoil mixes, but specifications are far from standardized. While regional and project-specific conditions require variation in compost quality, there are basic parameters that every compost should meet for use in landscapes. There are also some common provisions that should… More
Over 20 years ago, the City of Del Mar along the southern California coastline began a citywide process to improve streetscapes with the intention to preserve and enhance the tangible qualities of the community. In 2019, construction began of the downtown streetscape portion, which will bring these concepts to fruition, building up the commercial center of… More
Unmanned Aerial Vehicles (UAVs) or “drones” evoke a variety of responses from people ranging from anger over privacy invasion to awe over the new perspectives on our world. But like the Force, drones are merely tools that can be used for either the Dark Side or the Light. My interest in drones is related to… More
This blog is the first in a series of three that focuses on maintenance for Green Infrastructure (GI) systems and includes design considerations for selecting and designing GI systems, developing O&M manuals, and training maintenance staff to maintain the installed GI facilities. Conventional or grey stormwater infrastructure systems require maintenance in order to provide the… More
Over the last several years, DeepRoot has written about reusing urban soils as a planting medium. To date, the following have been covered via the DeepRoot blog: Reusing Existing Urban Soil for Planting Urban Soil Assessment and Reuse: Part 1 and Part 2 Search for the “Perfect” Soil Specification The articles above create a basis… More
If you love trees but aren’t familiar with Diana Beresford-Kroeger, it’s time to acquaint yourself with her work. A botanist, medical biochemist, author, and activist, her background combines western scientific training with traditional folk-knowledge and methods. Perhaps her strongest talent is her ability to bring an understanding and appreciation of the scientific complexities of nature… More
We hear a lot of discussion about the need to increase urban tree canopy, and the area people often focus on when planting new trees is the strip of land along the street in front of homes or businesses. This strip is known as a planting strip, buffer, neutral zone, park strip, or in Great… More
Contrary to recent actions taken by the Federal government, Washington D.C.’s local government has made unprecedented strides towards creating a cleaner, more sustainable future. The District of Columbia has recently emerged as an environmentally progressive leader and is actively working to reduce greenhouse gas emissions, support clean energy innovation, and focus on livability for all… More
In Part One of this blog we set the stage to select quality trees by starting with a good specification, working within the normal project submittal process, and resetting our expectation of what constitutes a good quality tree. The requirements for inspecting the parts of the tree aboveground were reviewed. For the inspection of the… More
Soil. Stormwater. Sustainable Infrastructure.
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