residential installations and codes (110104h)

Question 1

Does sheet metal have its own code?

Answer 1

no, but we have SMACNA we all use this set of practices

Question 2

what governing codes does the sheet metal trade fall under?

Answer 2

ABC (Alberta Building Code) or the NBC (National Building Code)

Question 3

Who does OH and S cover?

Answer 3

Employees and employers

Question 4

who must all furnaces be certified by?

Answer 4

CSA (Canadian standard association)

Question 5

What does SMACNA stand for?

Answer 5

Sheet Metal Air Conditioning Contractors National Association

Question 6

what is required for a heat loss calculation?

Answer 6

Blueprints

Question 7

what is the purpose of a heat loss calculation?

Answer 7

to determine the furnace size

Question 8

what does the Alberta building code require for ventilation requirements for a building?

Answer 8

a fan must be installed to exhaust air out and must be interlocked with a fresh air in

Question 9

What does HRV stand for?

Answer 9

Heat recovery ventilator

Question 10

what are three different types of installations for an HRV?

Answer 10

Stand-alone system
separate intake ductwork
no separate duct work

Question 11

once a house is framed what can the sheet metal worker do?

Answer 11

install rough in and duct work

Question 12

once there is concreate layed what can the sheet metal worker do?

Answer 12

install basment rough-in furnace

Question 13

what is the purpose of a range hood?

Answer 13

exhaust moisture and excessive grease out of the home

Question 14

what does high efficiency furnace venting require?

Answer 14

PVC BH S636

Question 15

what is also required for a high efficiency furnace venting system?

Answer 15

a floor drain line for the acidic condensate

Question 16

what can not be connected to the HRV system?

Answer 16

range hoods and dryer vents

Question 17

what does a fire stop do?

Answer 17

stop fire in the vent chase and also maintain clearances to combustibles

Question 18

what does an insulation stop do?

Answer 18

makes sure that he insulation does not contact the vent pipe

Question 19

what air can only be drawn through a metal duct or pipe?

Answer 19

Supply Air

Question 20

what is the whole cut on the side of the furnace on the bottom for?

Answer 20

kick boot / return air filter

Question 21

can the dryer vent joined be secured with screws?

Answer 21

no tape only as lint can build up on the screws

Question 22

what do you receive on the furnace once the inspection has passed?

Answer 22

inspection tag

Question 23

what is the minimum clearance for B-vent?

Answer 23

1”

Question 24

what is the minimum clearance for L-vent?

Answer 24

3”

Question 25

what is the minimum clearance for a-vent?

Answer 25

2”

Question 26

what is the minimum clearance for c-vent? (gas appliances)

Answer 26

6”

Question 27

what is the minimum clearance for C-vent? (liquid fuel appliances)

Answer 27

18”

Question 28

what is the minimum clearance for C-vent? Solid fuel

Answer 28

18”

Question 29

what must be 3 feet away form the gas regulator?

Answer 29

exhaust hood or exhaust for appliance, also intake hoods, mechanical INTAKE FR APPLIANCES MUST BE A MINIMUM OF 10’ AWAY

Question 30

what clearance is required for the front of a gas furnace?

Answer 30

24”

Question 31

what is the minimum gauge for a 6” pipe?

Answer 31

30g

Question 32

when must rectangular duct be cross broken?

Answer 32

when it over 12” long for added strength

Question 33

for basement heating the supply and return air must be a minimum 10 ‘ away from one another to ensure proper movement of air

Question 34

what must all boots have now?

Answer 34

a 1/2” safety hem

Question 35

can the roof jack be fasted anywhere?

Answer 35

no only on the high side of the roof