Petaluma Municipal Code Ch. 53 Compressed Gases

Section 5307.2 is amended to delete exception 1.

Section 5307.2.1 is amended to read as follows:

5307.2.1 Gas detection system. Indoor storage and use areas and storage buildings shall be provided

with a gas detection system complying with Section 916.

Section 5307.3.2 is amended to read as follows:

5307.3.2 Gas detection system. Where ventilation is not provided in accordance with Section 5307.3.1,

a gas detection system shall be provided in rooms or indoor areas and in below-grade outdoor locations

with insulated carbon dioxide systems. Carbon dioxide sensors shall be provided within 12 inches of the

[oor in the area where the gas is expected to accumulate or other approved locations. The system shall

be designed as follows:

1. Activates all audible and visible supervisory alarm at a normally attended location upon detection of a

carbon dioxide concentration of 5,000 ppm.

2. Activates an audible and visible alarm within the room or immediate area where the system is

installed upon detection of a carbon dioxide concentration of 10,000 ppm.