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13 <br /> Part II. DEPRESSURIZATION PROTECTION <br /> Check option used: ❑ Aggregate(complete aggregate worksheet on next page) ❑ Prescriptive(complete worksheet below) <br /> � Performance(submit test report prior to final inspection) ❑ No fuel burning equipment <br /> PRESCRIPTiVE PATH WORKSHEET <br /> INSTRUCr1oNs COMBUSTION EQiJIPMENT SCHEDULE Permitted Equipment <br /> check all es ro sed Path 0 Path 1 Path 2 Path 3 <br /> Step 1. Complete the Combustion Space heating Sealed combustion Y Y Y Y <br /> Equipment Schedule on the right. ❑ Direct or wer vented N Y Y Y <br /> Step 2. Choose a Make-up Air Path with a ❑ Atmos hericall vented N N Y* Y <br /> Y(Yes)for all selected equipment. Water heating ,�f Sealed combustion Y Y Y Y <br /> Step 3. Complete the table below for the ❑ D'uect or wer vented N Y Y Y <br /> Make-up Air Path chosen,indicating ❑ Atmosphericall vented N N N Y <br /> flows in cfrn for exhaust and make- Hearth —gas ❑ Sealed combustion Y Y Y Y <br /> up air methods proposed. Only the Direct or wer vented N Y Y Y <br /> capacity of largest exhaust appliance ❑ Atmos herically vented N N Y* N <br /> in each category need be considered. Hearth— solid ❑ Closed controlled N Y Y* N <br /> Step 4. Fill out the Passive Make-up Air fuel ❑ Decorative N N Y* N <br /> Opening Schedule on the next page. *Onl one atmos hericall vented a liance ma be installed in Prescri tive Path 2 <br /> 0 Path 0 —Preseriptive Make-up Air Method Exhaust Passive Passive Powered Make-up <br /> Infiltration enin <br /> Clothes dryer: Passive infiltration for up to 175 cfins <br /> Passive o nin s for cfms over 175 <br /> Kitchen exhaust: Passive infiltration for up to 250 cfm <br /> Passive openings for cfms over 250 <br /> Powered to match flow for cfms over 500 <br /> Other exhaust:t Passive openings for up to 140 cfin <br /> Powered to match flow for cfins over l40 N/A <br /> Need not include central vacuum exhaust in Path 0. TOTALS <br /> ❑ Path 1 —Preseriptive Make-up Air Method E�chaust Passive Passive Powered Make-up <br /> Infiltration nin <br /> Clothes dryer:$ Passive infiltration for up to 175 cfm <br /> Passive o nin s for cfms over 175 <br /> Kitchen exhaust: Passive openings for up to 250 cfm <br /> Powered to match flow for cfms over 250 N/A <br /> Other exhaust:$ Passive openings for up to 140 cfrn <br /> Powered to match flow for cfms over 140 N/A <br /> TOTALS <br /> � If closed controlled combustion solid-fuel buming appliance is installed in Path 1,then the clothes dryer and any central vacuum that <br /> exhausts to outside must be rovided with make-u air b assive o enin to match flow.Otherwise need not include central vacuum. <br /> ❑ Path 2 — Preseriptive Make-up Air Method E�aust Passive Passive Powered Make-up <br /> Infiltration Openin <br /> Clothes dryer: Passive openings for up to 175 cfin <br /> Powered to match flow for cfms over 175 N/A <br /> Kitchen exhaust: Powered to match flow N/A N/A <br /> Other exhaust: Powered to match flow N/A N/A <br /> TOTALS N/A <br /> ❑ Path 3 — Preseriptive Make-up Air Method Eachaust Passive Passive Powered Make-up <br /> Infiltration enin <br /> Clothes er: Powered to match flow N/A N/A <br /> Kitchen exhaust: Powered to match flow N/A N/A <br /> Other exhaust: Powered to match flow N/A N/A <br /> TOTALS N/A N/A <br /> 14 <br />