Invasive Tree of Heaven (Ailanthus altissima) Removal and Control

This subcontract involves the physical removal and biological control of invasive Tree of Heaven within Los Angeles County watershed projects. The scope of work requires the removal of mature parent tree canopies, the treatment of root sprouts, and the application of sunlight deprivation techniques using geotextiles or heavy-duty opaque sheeting. All activities must be performed in accordance with Integrated Pest Management protocols and adhere to the specific guidelines set by the MRCA and the Angeles National Forest. The primary objective is to deliver a cleared half-acre site with suppressed invasive growth. This project falls under NAICS code 561730 and is managed by Los Angeles County in California, with the place of performance located in the 91390 zip code area.