TCM 321 MIDTERM STUDY GUIDE
Code - Answers - Is a model, set of rules. It is not a lot itself, but it can be adopted in the
law the "what"
Division 21 - Answers - Fire Supression
NFPA - Answers - National Fire Protection Association
Popular Codes Fire - Answers - NFPA 13- Fire Sprinkler Systems
NFPA 13R- (R) Residential
NFPA 14- Stand Pipes
IFC International Fire Code - Answers - Determines and dictates the number of fire,
hydrants and spacing required for buildings, fire flow requirements among other things
Division 22 - Answers - Plumbing
Popular Codes Plumbing - Answers - IPC- International Plumbing Code-Learn how to
size piping-waste,domestic water, roof drains
IFGC- International Fuel Gas Code- Determines gas piping sizing for fireplaces,
furnaces, boilers, etc
Division 23 - Answers - HVAC
Popular Codes HVAC - Answers - IMC- International Mechanical Code Standards
ASHRAE- American Society of Heating, Refrigeration, and Air Conditioning Engineers
SMACNA- Sheet Metal and Air conditioning contractors National Association
Basic Conversions - Answers - Cooling is measured in Tons
1 Ton of cooling is equal to 12,000 BTU (British Thermal Unit)
This is not the same Ton as weight
EX: Residential AC might be 3-5 Tons of cooling- That's 36000-60000 BTU
Watts to BTUs - Answers - 1 Watt =0.0569 BTUs per minute 3.41 BTUs
, Important for determining how much heat lights and other equipment are putting into the
space
EX: How many BTUs of heat gain to the space is there with (6) 50 watt LED light
fixtures? - Answers - 6 X 50 watts X 3.41 BTU/watt =1,023 BTU
Waste - Answers - DFU-Drainage Fixture Units Domestic Water
WSFU - Answers - Water Supply Fixture Units
GPM - Answers - Gallons per Minute
Universal flor measurements for domestic water and hydranic piping systems
Airflows - Answers - CFM-Cubis feet per Minute
Payback Analysis - Answers - (Cost of opt A - Cost of opt B)/ savings per year
EX: Payback analysis
Standard Unit Cost= $29,000
High Efficiency Unit Cost= $36500
Estimated energy savings cost per year =$675
How many years to return investment (RDI)? - Answers - 29,000-36500/675=11.11
years
What return timeframe makes sense?
5 yrs>; 5-10 yrs ; 10<yrs
Fire Area - Answers - Enclosed by fire walls
Fire Partition - Answers - Required five resistance rating in hours
Fire Door - Answers - Protects against passage of fire
Fire Wall - Answers - Continues from foundation to roof
Fire Separation Distance - Answers - Between buildings
Fire Protection Rating - Answers - Hours of "resistance"
FDC - Answers - Fire Department Connection
Flame & Smoke Rating - Answers - IBC requires material above ceiling (open return
plenum) have less than 25 flame spread & 50 smoke developed rating
Fire Separation Assembly - Answers - H or V of materials
Code - Answers - Is a model, set of rules. It is not a lot itself, but it can be adopted in the
law the "what"
Division 21 - Answers - Fire Supression
NFPA - Answers - National Fire Protection Association
Popular Codes Fire - Answers - NFPA 13- Fire Sprinkler Systems
NFPA 13R- (R) Residential
NFPA 14- Stand Pipes
IFC International Fire Code - Answers - Determines and dictates the number of fire,
hydrants and spacing required for buildings, fire flow requirements among other things
Division 22 - Answers - Plumbing
Popular Codes Plumbing - Answers - IPC- International Plumbing Code-Learn how to
size piping-waste,domestic water, roof drains
IFGC- International Fuel Gas Code- Determines gas piping sizing for fireplaces,
furnaces, boilers, etc
Division 23 - Answers - HVAC
Popular Codes HVAC - Answers - IMC- International Mechanical Code Standards
ASHRAE- American Society of Heating, Refrigeration, and Air Conditioning Engineers
SMACNA- Sheet Metal and Air conditioning contractors National Association
Basic Conversions - Answers - Cooling is measured in Tons
1 Ton of cooling is equal to 12,000 BTU (British Thermal Unit)
This is not the same Ton as weight
EX: Residential AC might be 3-5 Tons of cooling- That's 36000-60000 BTU
Watts to BTUs - Answers - 1 Watt =0.0569 BTUs per minute 3.41 BTUs
, Important for determining how much heat lights and other equipment are putting into the
space
EX: How many BTUs of heat gain to the space is there with (6) 50 watt LED light
fixtures? - Answers - 6 X 50 watts X 3.41 BTU/watt =1,023 BTU
Waste - Answers - DFU-Drainage Fixture Units Domestic Water
WSFU - Answers - Water Supply Fixture Units
GPM - Answers - Gallons per Minute
Universal flor measurements for domestic water and hydranic piping systems
Airflows - Answers - CFM-Cubis feet per Minute
Payback Analysis - Answers - (Cost of opt A - Cost of opt B)/ savings per year
EX: Payback analysis
Standard Unit Cost= $29,000
High Efficiency Unit Cost= $36500
Estimated energy savings cost per year =$675
How many years to return investment (RDI)? - Answers - 29,000-36500/675=11.11
years
What return timeframe makes sense?
5 yrs>; 5-10 yrs ; 10<yrs
Fire Area - Answers - Enclosed by fire walls
Fire Partition - Answers - Required five resistance rating in hours
Fire Door - Answers - Protects against passage of fire
Fire Wall - Answers - Continues from foundation to roof
Fire Separation Distance - Answers - Between buildings
Fire Protection Rating - Answers - Hours of "resistance"
FDC - Answers - Fire Department Connection
Flame & Smoke Rating - Answers - IBC requires material above ceiling (open return
plenum) have less than 25 flame spread & 50 smoke developed rating
Fire Separation Assembly - Answers - H or V of materials
