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A test pipe of not less than one inch diameter, with a smooth bore corrosion resistant outlet giving a flow equivalent to one sprinkler of a type having the smallest orifice installed in the system, shall be provided on wet sprinkler systems. This test pipe shall be connected to the end of the most remote branch line at the highest level of the system. There shall be a separate test pipe for each system. A test valve, which is not exposed to freezing, shall be provided to allow use of the connection.
A test pipe as provided above shall be installed in each dry sprinkler system. The test valve shall be equipped with a brass plug or a nipple and cap.
(Prior code § 91-29; Amend Coun. J. 10-30-96, p. 31216, § 1)