SCH Number 2014112036

Project Info

Title

Tramway Road/A-Line Road/F-Line Road/Road 90A Shaded Fuel Break Project

Description

This project consists of installing head cut stabilization and control infrastructure at a knick point along Gumsey Creek located within the southern portion of Childs Meadows. Project work will be completed in several discrete work elements which must be undertaken to provide the best change that the active head cut is arrested from future migration, erosion, and sediment delivery. Completion of all project work will take approximately 4 weeks to complete, including staging equipment and materials, construction of the structures, and final landscaping. The exact timing of the phases, in relation to one another, will be determined in consultation with the heavy equipment and restoration contractor(s) at the time of the project implementation. Initial construction logistics will involve the evaluation and protection of important site characteristics and construction logistics will involve the evaluation and protection of important site characteristics and construction access. During construction of the erosion control structure a stream diversion plan will be in place that minimizes downstream turbidity. The specific requirements of the plan along with Best Management Practices and specific Mitigation Measures have been designed in a manner that reduces water quality impacts to a less than significant level. The head cut control structure is designed to provide maximum assurance that the head cut will be arrested in place while providing an esthetically pleasing, biotechnical component that is consistent with existing conditions in the Childs Meadow area. The grade control structure will include 4 design elements: (1) a vegetated rock grade control structure, (2) several rootwad revetments, (3) Live fascine willow plantings, and (4) log covered willow baffles.

3 documents in project