Fireplace Construction & Layout
Name:______
1. T/F Any zero clearance wood-burning, direct-venting, or vent-free fireplace must be installed, operated and maintained in strict compliance with code and manufactures specification. You as a draftsperson should confirm these specifications and provide the model number and other specific information next to the fireplace symbol on your plan or in a general note.
2. To provide it with its own oxygen supply for combustion, a fireplace requires an outside combustion air source that exits with ______inches of the firebox.
3. T/F Since it is not manufactured on site, the metal or zero clearance fireplace will not normally require a section drawing explaining its construction. A masonry fireplace will normally require a section drawing to accompany the plans.
4. T/F Some gas burning fireplaces do not need a chimney that extends to the roof but rather vent through an adjoining outside wall similar to a dryer.
5. The inner hearth is made of ______.
6. The purpose of the outer hearth is to ______.
7. According to the UBC, if the fireplace opening area is 6 sq ft. or greater the hearth must extend a minimum of ______inches either side of the opening and must extend at least ______inches in front of the opening.
8. The ideal dimension of a single face fireplace is ______inches wide by ______inches hight with a depth of ______. The ______fireplace design of the late 1800's is becoming more popular. It uses an increase in the height and width of the opening and a decrease in the depth of the firebox to increase the amount heat entering the room.
9. The sides of the firebox are slanted slightly to ______.
10. The tilt on the back wall of the firebox is designed to______.
11. The firebox is constructed of______.
12. T/F The lintel is a steel angle that supports the fireplace face.
13. Flue sizes are usually required to be ______or ______of the fireplace opening.
14. The flue usually projects ______inches above the chimney cap to prevent water from running into the flue.
15. A ______may be placed at the top of the flue to prevent combustibles from leaving the flue.
16. The fireplace footing is typically ______inches wider on each side than the fireplace, and is usually ______inches thick.
17. On the fireplace section view, use ______lines to outline all framing materials and ______lines at ______degrees to crosshatch the masonry on the fireplace section.
18. The firebrick symbol is a ______pattern drawn at a ______degree angle forming a grid.
19. Draw the lintel and damper with a ______line.
20. List the two uses of the damper:
1.
2.
21. The following items must be dimensioned on the fireplace section:
a) ______
b) ______
c) ______
d) ______
e) ______
22. Our codes require the top of the chimney flue to project ______feet above the highest point of the building within ______feet of the chimney.
23. Chimneys that are prefabricated consist of pipe sections that have double or ______walls.
a. Triple
b. Single
c. Quadruple
24. On a prefabricated fireplace an outside air intake provides air for______.
25. For what type of fireplace is a chase made rigid with decorative sheathing and supported from the roof, wall, and floor?
a. Masonry fireplace
b. Prefabricated fireplace
c. Gas fireplace
d. Metal or Zero clearance fireplace