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r <br />I. <br />11. <br />PROPOSAL J1 <br />PRO ECT SUMMARY <br />The City of Santa Ana Recreation and Community Services Agency (Parks Division) <br />is requesting the assistance of MWD and USBR in funding the retrofit of 8 park sites <br />with an efficient irrigation system designed to save a minimum of 29 acre-feet of water <br />annually. Attachment A lists water saving estimates based on a comparison of 1987 <br />usage, a year considered average by CIMIS, to industry -recognized standards <br />MAWA= (ETo)(0.8)(LA)(0.62). <br />To date, the City of Santa Ana has clearly demonstrated its commitment to the <br />implementation of the Best Management Practices through allocation of monetary <br />resources both in terms of staff and capital expenditures in retrofitting the irrigation <br />systems at 15 park sites throughout the city. <br />With the availability of increasingly sophisticated landscape systems, Parks Division staff <br />consulted with various manufacturers to find an irrigation system which would <br />comprehensively address their irrigation needs. Calsense, a state-of-the-art <br />computerized irrigation management system, was selected. The installation dramatically <br />reduced the water demand at the 15 park sites as illustrated in Attachment B. <br />Unique to our project, is the temporary assignment of a Park Maintenance Worker 11 <br />to the position of Water Resources Manager/Planner/Scheduler to spearhead the <br />project. The full duties of this position are outlined in Section IV of this proposal. We <br />are confident that once the installation of Calsense has been completed throughout the <br />city parks, monetary savings from water use reduction will justify the permanent <br />reclassification of a full time position to continue managing the project. <br />PRO FECT GOALS AND OBJECTIVES <br />The goal of this project is to further reduce our water usage by a minimum of 29 acre- <br />feet annually by installing the Calsense system at an additional 8 park sites. <br />A. Irrigation System Installation <br />Replace all irrigation controllers with the Calsense computerized irrigation <br />controllers in the 8 park sites. Flow sensors will be installed to provide <br />automatic shutdown in the event of a systems failure. To optimize the system, <br />moisture sensors will be installed and connected to the central controller. <br />3 <br />