Residential Installations and Codes (110104h)

Question 1

B149.1-05 CAN/CSA gas code

Answer 1

Applies from the ground all the way to appliances.

Question 2

NBC & ABC

Answer 2

National building code.
Alberta building code.

Question 3

National oil heating code.

Answer 3

Covers installation of oil burning equipment.

Question 4

All furnaces installed in Alberta are certified by who?

Answer 4

CSA (Canadian standards association)

Question 5

Common vent.

Answer 5

Needs to be installed so it permanently maintains all clearances to combustibles.

Question 6

Base plate.

Answer 6

Main purpose is to stop any fire that may travel inside the chase that the vent is in.

Question 7

Hanging the furnace

Answer 7

Big No

Question 8

Understand heating

Answer 8

Always slope back to the furnace.
Must be securely positioned using metal stakes.

Question 9

Hanger length for supply and return duct.

Answer 9

3 inches longer then the die of the duct for supply for 1 inch clearance.

2 inches long for return air duct so it is snug to the roof.

Question 10

B-vent clearance from combustibles

Answer 10

1 inch

Question 11

L-vent (oil burning) clearance from combustibles

Answer 11

3 inches

Question 12

A-vent and super A-vent clearance from combustibles

Answer 12

2 inches

Question 13

Single wall vent and double wall vent clearances

Answer 13

6 inches for single wall.
1 inch for double wall.

Question 14

Solid fuel burning appliances with single wall venting need what for clearance?

Answer 14

18 inches of clearance.

Question 15

Clearance for exterior hoods from gas regulator.

Answer 15

1 meter for inlet or exhaust vent.
3 meters for moisture exhaust vents.

Question 16

Fresh air intake needs to have how much clearance from an exhaust?

Answer 16

10 feet or 3 meters.