Page 178 - Yucaipa Sustainable Groundwater Management Agency - Yucaipa SGMA
P. 178
Relevant Experience Debris Management Improvement and Design for
Developing diversion systems for Mill Creek Diversion, San Bernardino Valley Water
recharge facilities Conservation District, San Bernardino County
Design development for improved
efficiency in operation and CWE developed design plans for a modified diversion system that
maintenance of off‐channel basin redirects debris and sediment while allowing flows to be routed to
diversion system the existing spreading grounds. The project involved hydraulic
Local experience with drainage modeling; Plans, Specifications, and Estimates (PS&Es)
modification design, permitting, and development; and permitting support for the development of an
cost estimation
improved water diversion system for the Mill Creek Spreading
Active Dates: 2015 ‐ 2017 Grounds to reduce and prevent debris from accumulating at the
Budget: $400,000 diversion gate. Tasks included: developing project concepts,
schematic design drawings, and preliminary cost estimates for
Reference:
three alternative concepts; evaluating the performance and
Mr. Daniel B. Cozad maintenance characteristics of the conceptual alternatives;
General Manager determining the most cost‐effective and maintainable design for
San Bernardino Valley Water Conservation
District the diversion system; analyzing existing conditions for flow
909.793.2503 depths, velocities, debris accumulation, and long‐term channel
dcozad@sbvwcd.dst.ca.us sedimentation trends; calculating the hydrostatic, hydrodynamic,
and debris impact loads for the 5‐, 10‐, 25‐, 50‐, and 100‐year
Key CWE Staff:
storms; and identifying required permits.
Ben Willardson
CWE
Yucaipa Sustainable Groundwater Management Agency - August 9, 2018 - Page 175 of 208