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7TtLE 22, CALIFORNIA ADMINISTRATIVE CODE TITLE 22, CALIFORNIA ADMINISTRATIVE CODE 1P Department Approval of Source and Storage Capacities. Article 3. Distribution Reservoirs OTT Authority cited: Sections 208, 4010.1 (h), Health and Safety Code. Reference: 69600. Basic Design of Distribution Reservoirs. Sections 4010.1(h),4012,4013 and 4019,Health and Safety Code. }llSTO (a) Distribution reservoirs shall be covered. 1. Repealer filed 30.9A5; effective thirtieth day thereafter (Register aS', No.42). (b) Vents, overflows, drain outlets and other reservoir openings shall be located and constructed to protect the water stored in the reservoir from 64566 System Pressure. contamination. Vents and overflows shall be screened. Vents shall not open (a) Changes in distribution systems shall be designed to maintain an upward. Overflows shall be large enough to dispose of reservoir overflow rates operating pressure at all service connections of not less than 20 pounds per equal to the maximum reservoir filling rate. square inch gauge (prig) (140 kiloPascals gauge (kPag)) under the following (c) Provisions shall be made to facilitate removal of floating material from demand conditions: the free water surface and for dewatering the reservoir. (1) User maximum hour demand. (d) Outlets shall be designed and constructed to minimize movement of (2) User average day demand plus design fire flow. sediment from the reservoir floor to the distribution system water mains. (b) In a public water system supplying users at widely varying elevations, (e) Provisions shall be made for isolating reservoirs and appurtenant a water supplier may furnish a service to a user which does not comply with facilities from the distribution system without causing violation ofto (a) if the user is fully advised of the conditions under which minimum service 64566 Sl may be expected and the user's agreement is secured in writing.This waiver (f) Unless the Department's approval is obtained, distribution reservoir shall be applicable only to individual service connections. sites shall not be used for nonwater works purposes that would: (c) Water mains shall be designed to have at least five psig (35 kPag) (1) Result in unrestricted public access. pressure throughout any buried length of the main except when the main is (2) Create a contamination hazard. removed from service for repairs or maintenance.This requirement shall not (g) Reservoirs shall be disinfected and sampled for bacteriological quality apply to short lengths of water train near reservoir inlets and outlets provided: in accordance with the procedures described in "Methods for Disinfecting (1) The water main is on premises owned,leased or controlled by the water Tanks and Reservoirs", American Water Works Association Journal, 71 supplier;or (1):9950 Qanuary 1979). (2) The prior review and written approval of the Department is obtained. NOTE: Authority cited:Sections 208 and 4010.1(h),Health and Safety Code.Reference. NOTE Authority cited:Sections 208 and 4010.1(h),Health and Safety Code.Reference: Sections 4010.1(h),4012,4013 and 4019, Health and Safety Code. Sections 4010.1(h),4012,4013 and 4019,Health and Safety Code. 64602. Subsurface Distribution Reservoirs. 64568. Conditions for Adding Service Connections. (a) Subsurface distribution reservoirs shall be lined and shall be located: A new service connection may be added to a distribution system only if the (1) Above maximum anticipated ground water level. water system will comply with Section 69562 after the new service connection (2) At least 50 feet (15 meters) from the nearest sewer and at least 150 feet is added and adding the new service connection will not cause pressure at an (45 meters) from all other sewerage facilities. existing service connection to be reduced below the standards set in Section (b) The land adjacent to a subsurface distribution reservoir shall be✓h -,d 64566' to route surface water away from the reservoir. NOTE Authority cited:Sections 208 and 4010.1(h),Health and Safety Code.Reference: NOTE: Authority cited:Sections 208 and 4010.1 (h),Health and Safety Code.Reference: Sections 4010.1(h),4012,4013 and 4019,Health and Safety Code. Sections 4010.1 (h),4012,4013 and 4019,Health and Safety Code. 64570. Internal Combustion Engines. HISTORY: (a) Where water cooling jackets for internal combustion engines are 1. Repealer of subsection (c) filed 10-9.85;effective thirtieth day thereafter (Register connected to water mains, the jacket shall be designed so that the water s5,No.42). pressure inside the water main at the cooling jacket will at all times be greater 64604. Corrosion Protection. than the engine coolant pressure. Paints or other protective coatings shall comply with AWWA Standard (b) Bacldlow protection of the public water system shall be provided D102-78. wherever makeup water is supplied to the cooling system of an internal NOTE. Authority cited:Sections 208 and 4010.1(h),Health and Safety Code.Reference: combustion engine. Sections 4010.1(h),4012,4013 and 4019,Health and Safety Code. NOTE: Authority cited:Sections 208 and 4010.1(h),Health and Safety Code.Reference: Sections 4010.1(h),4012,4013 and 4019,Health and Safety Code. HISTORY: 1. Amendment fled 109-85;effective thirtieth day thereafter (Register 85, No.42).