Multi Famiky Structures Flashcards
What is the minimum number of suites in a structure that would make it multi family
2
What must be installed between two suites in a structure that would make it multi family
Fire rated wall
When a house is uprgraded to include a basement suite, what 3 things must each suite have to give it legal suite status
Electrical meter
Gas meter
Heating and ventilation
What makes an R 2000 duplex unique in regards to fire rating
Fire rating must extend all the way to the soffet
Are Hrvs mandatory in r2000 duplexes
Yes
What is the maximum amount of story’s that can be built in Calgary with a wooden frame structure
4
What is another name for a four storey residential condominium complex
Low rise multi family structure
What is the most common method of heating in low rise multi family structures
Perimeter hot water heating
When cooling is designed into multi family structures, what is the most common method
Ceiling or wall installed heat pumps
What are the two reasons why hallway pressurization is so important
Stops odours
Fire management and escape planning
What other area in a multi family structure should maintain positive pressurization
Stairwells
When referring to high rise residential structures, what three methods of radiant heating are employed
Base board convectors
Radiant panels
In floor heating
Which type of multi family structure has the highest variance in individual comfort needs, making it the most challenging to design
Senior citizen complexes
What type of ventilation equiptment is commonly used in swimming pool and spa areas of multi family structures, as it is able to remove excess humidity
Heat recovery ventilator (HRV)
What must be installed in all ductwork penetrating fire walls
Fire smoke damper (FSD)
What type of rooftop equipment is typically used to provide hallway and stairwell pressurization
Make up airs (MUA)
What makes an MUA unit indirect fired as opposed to direct fired
Heat exchanger
Name three areas you can find negatively pressurized zones
Parkades
Commercial kitchens
Residential suites
What piece of ventilation equipment might be used to counter act the effects of high infiltration in a convenience store
Ceiling hung heat pumps, or fan coils
Which organization documents the standards for ventilation ACH required for exercise rooms, swimming pools and public areas
ASHRAE
Name two adavantages of hrvs used in exercise rooms, swimming pools and public areas
Provide better air quality
More economical to operate
Who tests fire dampers
Installer
What might a sheet metal worker install in an elevator machine room to eliminate pressurization issues
Transfer air ducts
What type of sensor is used in the control system of a fully enclosed underground parking garage to initialize ventilation equiptment
Carbon monoxide sensor
What automatic equiptment helps provide building security, maintain negative pressure and keeps cold air out in the winter when referring to a parking garage
Automatic garage doors
What does PTAC stand for
Package terminal air conditioners
Why are heat pumps so practical for multi family structures
Heat and cool the space with minimum ductwork
What standard must smoke dampers be tested to
UL555 standard (ULC)
What component on a heat pump allows it to heat in winter and cool in summer
Reversing valve
What two methods are used to indicate internal acoustic insulation
Dotted line
Cross hatching
What two methods might be used to signify external insulation on a blue print
Parallel dotted line
Cross hatching
What must be done when external insulation is used in roof top ductwork that will be exposed to the elements
External cladding
How thick should external insulation be on outdoor supply air ductwork
2”
Hallways are negatively or positively pressurized
Positive
Stairwells are negatively or positively pressurized
Positively
What two categories are multi equiptment installations divided into
Residential and commercial
How does this module define infiltration
Unconditional air entering a space
If an RTU was 5 ton (2000 CFM) and the economizer was set at 20% how many cfm of fresh air would be delivered into the conditioned zone
400 cfm
Convenience stores have such a high demand for cooling, list 4 things that contribute to this
Heat created by coolers
Slushy machines
Freezers
Door constantly opening
Name 4 factors that contribute to heat gain in a light commercial multi equiptment configuration
Abundance of windows
Equiptment and lighting
Infiltration
People
Zoning hvac systems increases comfort and efficiency true or false
True
When using zoning dampers on a residential system with only one furnace, what piece of equiptment must be added to the system for it to function properly? Where is this piece of equiptment installed
Bypass relief damper, installed between supply air and return air plenum
Roof mounted HVAC units can be referred to as package units, what 3 elements are combined to make up this package
Heating
Cooling
Ventilation
Describe a fully dedicated HRV system
Stands alone with its own ductwork distribution of fresh supply air and stale air exhaust
A partially dedicated HRV system is one where recovered fresh air supply is
Distributed to the rest of the building
What does HEPA stand for
HIGH EFFIENCY PARTICULATE ARRESTOR
Using a ceiling space for the return air plenum on a commercial project is only allowed if there are no ————— in ceiling space
Combustibles
