Minnesota Mechanical Code Flashcards
Heating, ventilation and air conditioning systems shall be designed and installed for efficient use of energy in accordance with the what?
International Energy Conservation Code
M 301.2
Appliances that are part of the building mechanical system shall not be converted to a different fuel, except where approved and in accordance with the what?
Manufacturers instructions
M 301.12
Mechanical systems in structures located in flood hazard areas shall be located at or above the what?
elevation required by the IBC
M 301.16
Walls enclosing occupiable rooms where food is stored, served or sold shall be constructed to protect against the entrance of ____________ in accordance with the building code.
rodents
M 301.17
Notches on the ends of solid wood joists shall not exceed what percent of the joist depth?
25%
M 302.3.1
Bored holes for the installation of piping shall be located at least _______ inches from the top or bottom of a solid wood joist.
5/8 inches
M 302.3.3
A bored hole in a floor joist is limited in diameter to _______ percent of the depth of the joist.
33 1/3 percent
M 302.3.1
Notches in the top or bottom of solid wood joists are limited to _______ of the depth of the joist.
1/4
M 302.3.1
Notches in the top or bottom of solid wood joists shall not be located in the middle _______ of the span.
1/3
M 302.3.1
In bearing partitions, wood studs may be cut or notched to a maximum depth of ______ percent of the stud depth.
25 percent
M 302.3.2
Studs used in nonbearing partitions are permitted to be cut or notched to a maximum depth of ______ percent of the stud depth.
40 percent
M 302.3.2
Unless doubled, studs within an exterior bearing wall may contain bored holes with a maximum diameter of ______ percent of the stud depth.
40 percent
M 302.3.3
For studs in a nonbearing partition, the maximum permitted diameter of a bored hole is ______ percent of the stud depth.
60 percent
M 302.3.3
Bored holes shall not be nearer than _______ inch to the edge of the stud.
5/8 inch
M 302.3.3
Cuts, notches and bored holes are prohibited in structural composite lumber, except where permitted by the manufacturers recommendations or where what else?
The effects are considered in the design
M 302.3.4
Appliances shall not be installed in a location where they may be subject to mechanical damage unless they are what?
protected by approved barriers
M 303.4
A boiler installed in a closet shall be what?
listed for installation in a closet
M 303.5
Holes in webs of nonstructural cold-formed steel studs shall be a maximum _____ inches in length.
4 inches
M 302.5.3
Sides of pits or excavations used for appliance locations shall be held back a minimum of ______ inches from the appliance.
12 inches
M 303.7
Where the depth of an excavation housing an appliance exceeds 12 inches below the adjoining grade, the walls of the pit or excavation shall be lined with concrete or masonry extending a minimum of _____ inches above adjoining grade.
4 inches
M 303.7
When located within a repair garage, appliances with an ignition source shall be elevated such that the ignition source is a minimum of ______ inches above the garage floor.
18 inches
M 304.3
Unless an exception for a specific appliance applies, a fuel-fired appliance is prohibited in all but which of the following rooms or spaces?
A. sleeping room
B. toilet room
C. crawl space
D. storage closet
C. crawl space
M 303.3
Where natural ventilation is used for a hydrogen generating appliance, the maximum rated output capacity shall not exceed 4 standard cubic feet per minute of hydrogen for each ________ square feet of floor area.
250
M 304.5.1
Where natural ventilation is used, indoor locations intended for hydrogen-generating operations shall communicate with the outdoors through openings with a minimum cross-sectional dimension of what?
3 inches
M 304.5.1