Landscape Contractor / Design Build Maintain

JAN 2018

LC/DBM provides landscape contractors with Educational, Imaginative and Practical information about their business, their employees, their machines and their projects.

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January 2018 51 I n f o r m a t i o n R e q u e s t # 4 4 3 Contractors who maintain water fea- tures and deal with algae blooms might want to keep abreast of the progress at Lake San Marcos in San Diego County, Calif., where soon a plan to solve a problem caused by nitrogen and phos - phorous contamination will begin. The treatment will include adding chemicals that make the phosphorous inert, and the removal of water from the deeper layers of the lake, which have higher concentrations of phosphorous and nitrogen. Multi-Step Plan to Prevent Algae Blooms Erosion control mattresses are often packed with stone but can be filled with other material if needed as happened to help prevent the loss of shoreline at Kuhio Beach in Honolulu, where a mattress was filled with sand. The geo-synthetic materials for the 90-foot long apparatus reportedly cost around $3,000. Innovative Way to Combat Beach Damage I n f o r m a t i o n R e q u e s t # 4 1 3

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