§ 13.04.370. NFPA 20.

A new subsection, designated "8001.4 NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection," is added to read as follows:

8001.4 NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection. NFPA 20-2016 is available from the National Fire Protection Association, 1 Batterymarch Park, P.O. Box 9101, Quincy, Massachusetts, 02269-9101. The National Fire Protection Association Standard for the Installation of Stationary Pumps for Fire Protection is hereby adopted by reference with the following modifications:

Section 4.2.1.1 of NFPA 20 is added to read as follows:

4.2.1.1 A fire pump for fire protection shall be selected to operate at less than or equal to 110 percent of the rated capacity

Section 4.8.1 of NFPA 20 is amended to read as follows:

4.8.1 A centrifugal fire pump for fire protection shall be selected so that the greatest single demand for any fire protection system connected to the pump is less than or equal to 110 percent of the rated capacity (flow) of the pump.

Section 9.3.1 of NFPA 20 is amended to read as follows:

9.3.1 Unless there is an installed power arrangement described in 9.3.3, at least one alternative source of power shall be provided.

Section 9.3.4 of NFPA 20 is amended to read as follows:

9.3.4 Where provided, the alternate source of power shall be supplied from one of the following sources:

(1) A generator installed in accordance with section 9.6

(2) One of the sources identified in 9.2.2(1), 9.2.2(2), 9.2.2(3), or 9.2.2(5) where the power is provided independent of the normal source of power. Any connection to the public utility shall be considered a single source of power and subsequently cannot be utilized as both normal power and the alternate (backup) power.

(3) Design of temporary portable generator with generator plug, transfer switch, and wiring to service back-up power to electric driver. The design shall indicate the minimum required size of the temporary portable generator. The manual transfer switch shall be sized to connect the prescribed temporary portable generator to the fire pump. The switch shall be shown on the approved electrical plans and a copy submitted with the electric fire pump submittal. Written instructions on the set-up of the temporary portable generator, including plug and use of the transfer switch, shall be left with the owner. The time limit from loss of power to installation of the temporary portable generator is a maximum of 2 hours.

(Ord. No. 3922, § 1, 12-21-2010; Ord. No. 4129, § 1, 9-17-2013; Ord. No. 4664, § 1, 1-22-2019)