§ 9-20. Amendments to the 2012 International Mechanical Code.

The 2012 International Mechanical Code is amended in the following respects:

Chapter 1. Administration is hereby deleted in its entirety.

For the administration of this code, see the 2012 International Building Code and amendments .

Section 602.2 Construction is hereby amended by adding the following after the first sentence of the first paragraph:

When plenum enclosures are constructed of combustible materials all of the following shall apply:

a.

Sprinklers shall be installed within the plenum space as per the adopted International Fire Code.

b.

Area smoke detectors shall be installed within the plenum space as per their listing.

c.

Duct smoke detectors shall be installed in the return air system of all air moving equipment serving the plenum.

d.

The area smoke detectors and the duct smoke detectors shall shut down all air moving equipment serving the plenum whenever any smoke detector senses smoke.

e.

All smoke detectors shall be interlocked with the fire alarm system.

f.

In occupancies not required to be equipped with a fire alarm system, actuation of any smoke detector shall activate a visible and audible signal in a location approved by the city.

(Ord. No. 2821, § 1, 10-23-12)