Rhode Island Code of Regulations
Title 510 - Building Code Commission
Chapter 00 - N/A
Subchapter 00 - N/A
Part 4 - RISBC-4 Rhode Island Mechanical Code
Section 510-RICR-00-00-4.6 - Chapter 6
Universal Citation: 510 RI Code of Rules 00 00 4.6
Current through September 18, 2024
603.2 Duct sizing Delete and substitute the following:
603.2 Duct sizing ducts installed within a single dwelling unit shall be sized in accordance with ACCA Manual D or other approved methods. Ducts installed within all other buildings shall be sized in accordance acceptable methods.
606.2.1 Delete and substitute the
following:
606.2.1 Return air
systems smoke detectors listed for use in air distribution systems shall be
located as follows:
(1) Downstream of the air
filters and ahead of any branch connections in air supply systems having a
capacity greater than 944 L/Sec (2000
ft3/min)
(2) At each story prior to the connection to
a common return and prior to any recirculation or fresh air inlet connection in
air return systems having a capacity greater than 7080 L/sec (15,000
ft3/min) and serving more than one (1) story.
Revise section 607.5.5 as follows:
607.5.5 Shaft Enclosures: Shaft
enclosures in use group I and in high-rise structures that are permitted to be
penetrated by ducts and air transfer openings shall be protected with approved
fire and smoke dampers, installed in accordance with their listing. All other
use group shaft enclosure penetrations shall be protected with approved fire
dampers installed in accordance with their listing.
Retain sections 1, 1.1, 1.2, 1.3, 1.4 and delete exceptions 2, 3, 4 and 5.
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