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City of Santa Ana <br />Records Retention Schedule <br /> <br />PUBLIC WORKS AGENCY <br /> <br />Resolution 95-018 <br /> Page L-5 of L-7 <br /> <br />RECORD RECORD RECORD RETENTION RETENTION REMARKS <br />CATEGORY SERIES DESCRIPTION START DATE PERIOD <br />SURVEY Bench Marks Vertical Survey Data Survey date Indetinitely V'[tal Record <br /> Centerline Ties Horizontal Survey Data <br /> Project Data Project Survey Data <br />TRAFFIC Accident Data/Diagrams Location/accident Diagram Date 5 yrs Intersection data <br /> type/collision diagrams <br /> Average Daily Count data Collection <br /> Traffic/Turning Counts Dates <br /> Dept. Traffic Orders Various parking & traffic controls Install Date Until <br /> Superseded <br /> Permit Parking Applications, etc. Expiration Date 1 yr <br /> School Crossing Study Study to justify Crossing Guard Completion Until <br /> Date Superseded <br /> Signal Cabinet Prints Signal wiring diagram Install Date Indefinitely <br /> Signal/LT Phase Warrant Studies to justify left turn installation 5 yrs <br /> Signal Maintenance Operation Maintenance (Claims/Historical) Maintenance <br /> Date <br /> Signal Timing Operation Timing (Claims/Historical) Timing Date <br /> <br /> <br />