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1 A Mechanical Ventilation Checklist A Use this checklist with Non-Distributed Ventilation Systems such as those usually found in dwellings with electric or hot water radiant or baseboard heating systems. Civic Address. Permit No._ Number of Bedrooms Total Interior Volume of Dwelling ft 3 (A) A bedroom is a room with an openable window (minimum dimensions apply), a closet and a closing interior door.5 ACH (air changes/hr) = Volume x = cfm ftj\ Exhaust appliances exceeding.5 ACH may require make-up air 1. Principal Fan a) Exhaust Rate: Use the bedroom count from Box (A) above and Table A. to determine Minimum Rate. Maximum Rate of 110 cfm if NAEFVA/Radon present. The Principal Exhaust Fan will be controlled automatically with an interval timer OR run continuously. Minimum required rate: Interval Timer Continuous cfm (Q cfm (D) b) Principal Fan CFM & Sone Rating: Make Model cfm <B> Sones: Interval, Continuous Box E Maximum allowed is 110 cfm if Make-up Air Required in Step 4. Fan Location: c) Principal Fan Duct Size: Use actual fan cfm in Box E above and Table Fan Duct size: inches. Duct type: Smooth Flex 2. Required Kitchen and Bathroom Exhaust Fans: Room Fan Make & Model Fan CFM CodeRcq'dMin ea*w.c pertible b actual Fan CFM 0.2*W.C per MmL Riling Duct Diameter (in) Table * Smooth Flex * For fan capacities exceeding Table , follow manufacturer's installation instructions or use good engineering practice to size duct. Used with Permission 10/98 HVCI Association of BC REVISED 1/99 12 HVCI Ventilation Guidelines Checklist APgl

2 3.Q Yes NAFFVA* or Radon Gas present in dwelling unit: Proceed to Step 4 & 5 DNO NAFFVA* or Radon Gas not present in dwelling unit: Omit Steps 4-7. Naturally Aspirated Fuel Fired Vented Appliance 4. Passive Make-Up Air Duct for Principal Fan: Use the Box E installed cfm and Table Make-up air duct diameter inches. Location. _ 5. Exhaust Appliance present which exceeds Box B 0.5 ACH: Yes, Proceed to Step 6 or 7. No such appliance OR only solid fuel burning NAFFVA and no Radon present. Omit 6 & Use Passive Make-up Air for Exhaust Appliance with actual installed exhaust rate of 126 cfm or less: Appliance Cfm Passive Make-up Air Duct Sized to Table : inches 7. Use Active Make-up Air for Exhaust Appliance with actual installed exhaust rate of more than 126 cfm. Make-up Air Fan required: Appliance Cfm _ a) Fan Make. Model.. Fan Cfm : must equal actual installed Duct diameter, inches exhaust rate of appliance. b) Fan Location Fan ducted to _ 1) Active Make-up air is delivered to an unoccupied area and not delivered directly to room containing the appliance: Transfer Grill required sized to Table (or isq in of gross area per 2 c&n): Transfer grill size sq. in. Location 2) Active Make-up air is delivered to an occupied area: Tempering required. Describe how make-up air will be tempered to at least 54 F (12 C). Installer Certification: I hereby certify that the design and installation of the ventilation system complies with the 1998 B.C. Building Code. Print Name_ Company Signature^. Phone Certification Stamp Stamp Expiry Date HVCI Stamps expire at Code Change. Used with Permission 10/98 HVCI Association of BC REVISED 1/99 Checklist A Pg 2 HVCI Ventilation Guidelines 13

3 B Mechanical Ventilation Checklist B For use with forced-air heating systems utilizing a ventilation air duct into the return-air plenum of a naturally-aspirating furnace. Use Checklist C if this furnace type is not within the heated building envelope (e.g., located in the garage) or if the furnace is a mid-efficiency (induced draft) or high-efficiency (sealed combustion) gas appliance or is an electric forced-air furnace. Civic Address Permit No. Total interior volume of dwelling ft 3 (A) 0.5 ACH = Volume X = cfm (B) Exhaust appliances exceeding.5 ACH may require make-up air Furnace: Model: Is furnace within the heated building envelope? Yes No The installation of this system assumes the Principal Ventilation Exhaust Fan rate is provided. 1. Install a 4"0 outdoor ventilation air duct into the furnace Return Air System. In Interior Climates, Winter Design Temperature less than -10 C. this duct must have a motorized damper interconnected to the Furnace Blower. Damper Make Voltage.,. 2. Required Kitchen and Bathroom Intermittent Exhaust Fans: Room Fan Make & Model Fan CFM Code Req'd Mia 9.TW.C. perttble9j13.3.b actual Fan CFM 9.2-W.C per Minf. Ruing Duct Diameter (in) Table * Smooth Flex * For fan capacities exceeding Table , follow manufacturer's installation instructions or use good engineering practice to size duct. 3. Exhaust Appliance present which exceeds Box B 0.5 ACH: Yes, Proceed to Step 4 or 5. No such appliance OR only solid fuel burning NAFFVA and no Radon present. Omit 4 & Use Passive Make-up Air for Exhaust Appliance with actual installed exhaust rate of 126 cfm or less: Appliance Cfm Passive Make-up Air Duct Sized to Table :. inches Used with Permission 10/98 HVCI Association of BC REVISED 1/99 14 HVCI Ventilation Guidelines Checklist BPgl

4 5. Use Active Make-up Air for Exhaust Appliance with actual installed exhaust rate of more than 126 cfm. Make-up Air Fan required. Appliance Cfm a) Fan Make Model Fan Cfm must equal actual installed Duct diameter inches exhaust rate of appliance. b) Fan Location. Fan ducted to.. 1) Active Make-up air is delivered to an unoccupied area and not delivered directly to room containing the appliance: Transfer Grill required sized to Table (or isq in of gross area per i cfm): Transfer grill size sq. in. Location _ 2) Active Make-up air is delivered to an occupied area: Tempering required. Describe how make-up air will be tempered to at least 54 F (12 C). Installer Certification: I hereby certify that the design and installation of the ventilation system complies with the 1998 B.C. Building Code. Print Name Company. Signature Certification Stamp Phone Stamp Expiry Date HVCI Stamps expire at Code Change Used with Permission 10/98 HVCI Association of BC REVISED 1/99 Checklist B Pg 2 HVCI Ventilation Guidelines 15

5 B-C Mechanical Ventilation Checklist B-C Use this Checklist with HRV ventilation equipment - fully distributed systems - which use either a dedicated distribution or are connected to a forced air heating system and used continuously. Civic Address. Number of Bedrooms Total Interior Volume of Dwelling.5 ACH (air changes/hr) = Volume x 0.5 * 60 = ft 3 cfm Permit No..,,.. A bedroom is a room with an openable * window (minimum dimensions apply), a closet and a closing interior door rq\ Exhaust appliances exceeding.5 ACH may require make-up air L. Use the bedroom count from Box (A) above and Table A. to determine the minimum Principal Exhaust Rate provided by the HRV controlled automatically with an interval timer OR run continuously. Minimum Required Rate: 2. HRV Make Model HRV Capacity: "cftnl(c) cfm (D) 3. HRV's may be installed alone or the fresh air may be distributed by a forced air heating system. a) I i HRV with dedicated supply and exhaust duct system. b) HRVfreshair integrated with forced air heating system. 4. Required Kitchen and Bathroom Exhaust: ROOM EXHAUST RATE Required per Table B Make & Model EXHAUST EQUIPMENT CFM@.2" Manf. Rated *Duct Dia (in) smooth flex Exhaust CFM * Use Table For fan capacities exceeding Table , follow manufacturer's installation instructions or use good engineering practice to size duct. Used with Permission 10/98 HVCI Association of BC REVISED 1/99 16 HVCI Ventilation Guidelines T0TAI^=B0X D Checklist BCPgl

6 6-DYes NAFFVA* or Radon Gas present in dwelling unit: Proceed to Step 7 9 No NAFFVA* or Radon Gas not present in dwelling unit: Omit Steps 7-9. Naturally Aspirated Fuel Fired Vented Appliance 7. Exhaust Appliance present which exceeds Box B 0.5 ACH: Yes, Proceed to Step 8 or 9. No such appliance OR only solid fuel burning NAFFVA and no Radon present. Omit Steps 8 & Use Passive Make-up Air for Exhaust Appliance with actual installed exhaust rate of 126 cfm or less: Appliance Cfm, Passive Make-up Air Duct Sized to Table : inches 9. Use Active Make-iip Air for Exhaust Appliance with actual installed exhaust rate of more than 126 cfm. Make-up Air Fan required. Appliance Cfm a) Fan Make Model Fan Cfm must ^ actual kstalied Duct diameter inches exhaust rate of appliance. b) Fan Location. Fan ducted to. 1) Active Make-up air is delivered to an unoccupied area and not delivered directly to room containing the appliance: Transfer Grill required sized to Table c ri sqkof gross area per2cfm) : Transfer grill size sq. in. Location ^ _ ^ 2) Active Make-up air is delivered to an occupied area: Tempering required. Describe how make-up air will be tempered to at least 54 F (12 C). Installer Certification: I hereby certify that the design and installation of the ventilation system complies with the 1998 B.C. Building Code. Print Name Company Signature Certification Stamp Phone Stamp Expiry Date HVCI Stamps expire at Code Change Used with Permission 10/98 HVCI Association of BC REVISED 1/99 Checklist BC Pg 2 HVCI Ventilation Guidelines 17

1 Ventilation Checklist 1 Forced Air Systems SENTENCE (6)

1 Ventilation Checklist 1 Forced Air Systems SENTENCE 9.32.3.4(6) Use this Checklist where forced air heating system ducts intake and distribute ventilation air. 2014 Amendment to Section 9.32 Ventilation