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Pearl Building Rating System - Estidama

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RE-R3: Ozone Impacts of Refrigerants & Fire<br />

Suppression <strong>System</strong>s<br />

Intent To promote the selection of refrigerants and fire suppression systems that minimise<br />

impacts on the environment<br />

Credit<br />

Requirements<br />

Requirement<br />

Achievement<br />

Credit<br />

Submission:<br />

Design <strong>Rating</strong><br />

Credit<br />

Submission:<br />

Construction<br />

<strong>Rating</strong><br />

Calculations and<br />

Methodology<br />

GENERAL<br />

Refrigerants<br />

� Demonstrate that all refrigerants to be installed within the project site boundary<br />

have an ozone depletion potential (ODP) of zero<br />

Fire Suppression <strong>System</strong>s<br />

� Demonstrate that all gaseous fire suppression systems to be installed within the<br />

project site boundary have an ozone depletion potential (ODP) of zero<br />

This credit only refers to refrigeration systems contained within the site boundary; (i.e.<br />

district cooling systems which provide only chilled water to the site are not subject to<br />

the requirement of this credit)<br />

ADDITIONAL REQUIREMENT/CLARIFICATIONS<br />

None<br />

This is a requirement. There are no Credit Points awarded.<br />

� Brief narrative describing how the project meets the credit requirements; and<br />

� Specification extracts for all proposed refrigerants and gaseous fire suppression<br />

systems confirming ODP of each refrigerant and gas is zero.<br />

� Updated narrative describing how the project meets the credit requirements; and<br />

� Manufacturer’s information for all installed refrigerants and gaseous fire<br />

suppression systems confirming ODP of each refrigerant and gas is zero.<br />

� The ozone depletion potential (ODP) of various refrigerants is given below:<br />

Chlorofluorocarbons ODP GWP Common <strong>Building</strong> Applications<br />

CFC-12 1.0 10,900 Refrigerators, chillers<br />

Hydrochlorofluorocarbons<br />

HCFC-22 0.055 1,810 Air conditioning, chillers<br />

HCFC-123 0.02 77 CFC-11 replacement<br />

Hydrofluorocarbons<br />

HFC-134a 0 1,430 CFC-12 or HCFC-22 replacement<br />

HFC-245fa 0 1,030 Insulation agent, centrifugal chillers<br />

HFC-407c 0 1,700 HCFC-22 replacement<br />

HFC-410a 0 1,900 Air conditioning<br />

<strong>Pearl</strong> <strong>Building</strong> <strong>Rating</strong> <strong>System</strong>: Design & Construction, Version 1.0, April 2010 147 of 223

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