PCA ARBORISTS & CONSULTANTS, INC. DBA PACIFIC COAST HORTICULTIST

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"1 CITY OF SANTA ANA 2. Controller programs shall incorporate the following: a. Calsense Central Control software shall be exclusively utilized for all controllers with available connections. Field checks shall be required to verify the success of programming as it applies to a specific location. Field checks will be the responsibility of the Contractor, who will report to CR. b. Water must be conserved while meeting the needs of the plant material. c. The City of Santa Ana Water Department (SAWD) management requirements shall be followed unless the CR approves an alternate schedule. d. Contractor shall avoid weekend watering unless approved by CR. e. Contractor shall water deeply and infrequently for all tree and shrub applications. f. Contractor shall utilize cycle/soak principles to encourage deep rooting of all plant material, especially turf. g. Evapotranspiration (ET) rates shall be utilized when considering programming. h. Contractor shall minimize runoff onto streets, sidewalks, and other non-target areas. i. Contractor shall provide sufficient time for the soil to dry out between irrigations. j. Contractor shall maximize community use of City property. k. Contractor will alter the irrigation programming to accommodate the field renovations to promote seed germination and establishment. 3. Irrigation systems shall be programmed to water between 10:00 A.M. and 6:00 P.M. (Monday- Friday) unless otherwise approved by the CR. 4. Contractor shall be responsible for programming all controllers (light energized Irrigation Technology, field controllers, battery-operated controllers, manual systems) not integrated into the central control system. 5. Program changes for the manual (non-centralized) controllers shall be done the same day of notification by the CR and changed per CR specification. 6. Verification of the updated irrigation schedule shall be the responsibility of the CR. The contractor shall work with the CR to ensure all programming changes have been entered and verified on the electronic programming log. 7. Contractor shall set and maintain the programming for the manual irrigation controllers to meet the criteria as stated above. The City reserves the right to inspect and monitor those settings and make recommendations to the Contractor. In case of a dispute, the CR will make the final determination. Any discussion of this type shall be recorded by the Park Inspectors on the work order form and kept on file. 8. In the event that any of the components of the irrigation system fail to provide full and proper coverage, Contractor shall provide alternate irrigation with full and proper coverage to all areas in the worksite at no extra cost to the City. 9. The controller program shall be sufficient to maintain a healthy landscape without excessive water use and shall be consistent with the established Irrigation Association (IA), Metropolitan Water District (MWD), and Santa Ana Water Department (SAWD) guidelines recognized throughout the industry. RFP 23-151 Landscape Maintenance Services Page 29 of 135