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ELEMENT 4 – OPERATIONS AND MAINTENANCE PROGRAM Sewer System Management Plan Audit (8/2/21 to 8/2/24) Page 22 of 47 ELEMENT 4 – OPERATIONS AND MAINTENANCE PROGRAM 4.1. UPDATED MAP OF SEWER SYSTEM REQUIREMENTS 7 “The Plan must include the items listed below that are appropriate and applicable to the Enrollee’s system. An up-to-date map(s) of the sanitary sewer system, and procedures for maintaining and providing State and Regional Water Board staff access to the map(s). The map(s) must show gravity line segments and manholes, pumping facili<es, pressure pipes and valves, and applicable stormwater conveyance facili<es within the sewer system service area boundaries.” 4.2. PREVENTIVE OPERATION AND MAINTENANCE ACTIVITIES REQUIREMENTS “A scheduling system and a data collec<on system for preven<ve opera<on and maintenance ac<vi<es conducted by staff and contractors. The scheduling system must include: • Inspec<on and maintenance ac<vi<es, Higher-frequency inspec<ons • Maintenance of known problem areas including areas with tree root problems • Regular visual and closed-circuit television (CCTV) inspec<ons of manholes and sewer pipes. The data collec<on system must document the data from system inspec<on and maintenance ac<vi<es, including system areas/components prone to root-intrusion resul<ng in system backup and/or failure.” 4.3. TRAINING REQUIREMENTS “In-house and external training provided on a regular basis for sanitary sewer system opera<ons and maintenance staff and contractors. The training must cover the requirements of this General Order; the Enrollee’s Spill Emergency Response Plan procedures and prac<ce drills, skilled es<ma<on of spill volume for field operators, and electronic CIWQS repor<ng procedures for staff submiing data.” 4.4. EQUIPMENT INVENTORY REQUIREMENTS1 “An inventory of sewer system equipment, including iden<fica<on of cri<cal replacement/spare parts.” 7 See Attachment D-4.1 of Reissued WDR (page D-4) ATTY/RESO.0077/CC RESO SEWER SYSTEM MANAGEMENT PLAN - EXHIBIT A REV: 07-14-25 LF Page 192 of 317