CCP Chimney Systems & Inspections 2

Question 1

A homeowner switched from an oil furnace to a wood stove using the same flue. Under NFPA 211, what is the minimum inspection level required?

Accepted Answer

Level 2

Answer

NFPA 211 requires a Level 2 inspection when there is a change in fuel type or appliance.

Question 2

Which situation most clearly justifies a Level 3 inspection?

Accepted Answer

A Level 2 inspection revealed a hazard that can only be assessed by accessing concealed areas

Answer

Level 3 is warranted when a Level 1 or 2 inspection suggests a hidden hazard requiring removal of building components.

Question 3

Per the commonly cited 3-2-10 rule, a masonry chimney must extend at least how far above any part of the building within 10 feet horizontally?

Accepted Answer

2 feet

Answer

The chimney must be 3 feet above the roof penetration and 2 feet higher than anything within 10 feet.

Question 4

During a sweep you find puffy, honeycombed creosote and a warped damper plate. What do these findings most strongly indicate?

Accepted Answer

A previous chimney fire

Answer

Puffed 'honeycomb' creosote and heat-warped metal are classic evidence of a past chimney fire.

Question 5

What is the maximum horizontal run commonly allowed for a chimney connector relative to the chimney height above the connector entry?

Accepted Answer

75% of the vertical chimney height

Answer

NFPA 211 limits horizontal connector length to 75% of the chimney's vertical height above the connector.

CCP - Certified Chimney Professionals Practice Test