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Section 1-5.4 All systems shall be tested for leakage at 200 psi for one (1) hours <br />mininum. <br />Chapter 1-General Information -added <br />Section 1-5.6 is added to read: <br />Section 1-5.6 All sprinkler piping shall be either non-ferrous metallic pipe (copper, or <br />brass) or CPVC. All piping above the flow switch should be protected by sheet rock or <br />plywood. Note: No ferrous (black iron, iron or galvanized) pipe is permitted. Fire <br />sprinkler riser check valves shall be approved by the City and Fire Prevention Bureau. <br />CHAPTER 3-System Components -amended <br />Section 3-1.1 Valves and Drains is amended: <br />Section 3-1.1 Exception No. 1 (a) amended to read: <br />(a) To a Underwriters Laboratory (UL) listed Central Station Service. <br />(b) Delete (b) and (c). <br />CHAPTER 3--System Components -amended: <br />Section 3-3 Piping is amended: <br />Section 3-3 is amended to delete all references to ferrous metal pipe. Ferrous metal <br />pipe is not permitted. <br />Section 3-6 Alarms is amended to read: <br />Local water flow alarms shall be provided on all sprinkler systems. Water flow alarms <br />and valve tamper shall be connected to an Underwriters Laboratory (UL) listed Central <br />Station Service under the following conditions: <br />(a) All buildings with eight (8) or more units or, <br />(b) When there are four (4) or more buildings per complex or, <br />(c) When there are more than sixty-four (64) units per complex. <br />CHAPTER 4-System Design -amended <br />Section 4-1.2.1. Number of Design Sprinklers and Water Demand is amended to read: <br /> <br />