Specifications include, but are not limited to: The Town of Colma (Town) is seeking proposals from qualified consultants to provide consulting services for environmental review and clearance, conceptual design, detailed design, permitting, and design support during construction to install an off-channel full trash capture device system along the Colma Creek. Requested consulting services include an evaluation of options for trash capture devices, environmental review and permitting services (CEQA and NEPA), surveying as necessary for design, hydraulic analysis of the impacts of installing the device(s), and structural analysis as required for channel modifications necessary both to install the device(s) and maintain current channel capacity. The trash capture device(s) will be installed within the City of South San Francisco near the border with the Town of Colma. The trash capture system will be installed on easements belonging to One Shoreline on private property, fully offline, positioned outside the current concrete channel, and outside the BART ROW (Attachment A). The trash capture devices will treat flow from both tributaries of Colma Creek in the project area as shown on Attachment A. Colma Creek is currently designed to carry the 2% probability storm event (50-yr recurrence).
