Chimney and Venting Essentials
Define a Standard - [ANSWER] A Standard is a set of technical definitions, specifications, and guidelines.Define a Code - [ANSWER] A Code is a model that is adaptable by law.What is the purpose of a Standard? - [ANSWER] A Standard clarifies how something should be done.What is the purpose of a Code? - [ANSWER] A Code clarifies what needs to be done.What is the legal status of a Standard? - [ANSWER] A Standard is not legalized.What is the legal status of a Code? - [ANSWER] A Code can be adopted into law.What is the AHJ? - [ANSWER] The Authority Having Jurisdiction UL103 - [ANSWER] Standard for Factory-Built Chimneys for Residential Type and Building Heating Appliances.UL127 - [ANSWER] Standard for Factory-Built Fireplaces.UL441 - [ANSWER] Standard for Gas Vents. These cover Types B and BW.UL641 - [ANSWER] Standard for Type-L Low Temperature Venting Systems.UL1482 - [ANSWER] Standard for Solid-Fuel Type Room Heaters.UL1618 - [ANSWER] Standard for Wall Protectors, Floor Protectors, and Hearth Extensions.UL1777 - [ANSWER] Standard for Chimney Liners.NFPA211 - [ANSWER] Standard for Fireplaces, Chimneys, Vents, and Solid-Fuel Burning Appliances.NFPA 31 - [ANSWER] Standard for Installation of Oil Fired Equipment.NFPA 54 - [ANSWER] National Fuel Gas Code.ANSI Z21.50 - [ANSWER] Vented Gas Fireplaces 1 / 2
ANSI Z21.60 - [ANSWER] Decorative Gas Appliances for Installation in Solid-Fuel Fireplaces.ANSI Z21.88 - [ANSWER] Vented Gas Fireplace Heaters.ANSI Z21.11.2 - [ANSWER] Gas-Fired Room Heaters, Volume 2, Unvented Room Heaters.A ladder should have a minimum of how many rungs above the point of contact with the roof? - [ANSWER] Three A ladder needs to be how far away from powerlines? - [ANSWER] A minimum of 10 feet A ladder should be placed at what angle from point of contact with the roof? - [ANSWER] A 4 to 1 angle. Ex: if it is 20 feet to the contact point the ladder should be 5 feet out from the contact point.Why should you walk on ridges or in valleys if possible? - [ANSWER] They are the stronger areas of a roof.What 2 type of respirators are available for technicians? - [ANSWER] Negative and Positive pressure respirators.Fatalities must be reported within how many hours? - [ANSWER] 8 hours.Accidents resulting in the loss of an eye, amputation or in-patient hospitalization must be reported within how many hours? - [ANSWER] 24 hours.What is the best course of action for the chimney technician if chimney swifts are encountered? - [ANSWER] It is best to return after they have migrated and cap the chimney.Which animals found in chimneys are the most common carriers of rabies? - [ANSWER] Raccoons and Bats Raccoon roundworm is found in? - [ANSWER] Raccoon feces left behind.What is Histoplasmosis and how can it be contracted? - [ANSWER] Histoplasmosis is a fungal infection that can be contracted when in contact with bird droppings and bat guano. The spores become airborne when the droppings and guano are disturbed.Flat wire brushes should only be used on what kind of chimneys? - [ANSWER] Masonry chimneys What is the brush of choice for factory built chimneys and stainless steel liners? - [ANSWER] A polypropylene brush. They are softer than wire brushes.A vacuum should have what capacity tank? - [ANSWER] A 10- to 30-gallon capacity tank.
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