reducing appraiser liability: using the ansi residential measuring standards presenter byron miller,...
TRANSCRIPT
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Reducing Appraiser Liability: Using the ANSI Residential Measuring Standards
• Presenter• Byron Miller, SRA, RAA, MSSE
• Principal Appraiser• BM Appraisals
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Presenter Biography
Byron Miller, SRA, RAA, MSSE - MN Certified Residential Appraiser - WI Certified Residential Appraiser - SRA Designated Member of the Appraisal Institute - RAA Designated Member of the National Association Realtors - BOD North Star Chapter of the Appraisal Institute - BOD Twin Cities Financial & Estate Planning Council (TCFEPC) - Instructor - Coursework Developer - Author - Software Developer - http://www.bmaprsls.com - [email protected] - 612.822.5985
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Seminar Objectives
• Discuss SFR Measuring Standard
• Discuss MFR Measuring Standard
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ANSI Z765-2013
Single-Family Residential Measurement Standard
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Z765-2013 Overview
Motivation for StandardID Five Causes of Measuring ErrorsPresent Major Components of StandardExamples
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Quiz
• Calculate first floor area of home– First floor areaBase Area: First Floor
40’ X 26’Bump-out: floor-ceiling height 6’ 8”
20’ X 4’ Fireplace Bump-out:
8’ X 4’Stair Opeining
6’ X 8’
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Quiz Floor Plan
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Quiz Floor Plan
• Which is the correct area?1040 SF1112 SF1080 SF1032 SF 992 SF
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Quiz Answers 1040 SF for gross area
40’ X 26’ = 1040 SF
48 SF for Void Area6’ X 8’ = 48 SF
992 SF for total finished area1040 SF – 48 SF = 992 SF
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Organization Background
• ANSI: American National Standards
InstituteOversees Standards DevelopmentNon-ProfitEstablished 1918125,000+ Member Companies
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Organization Background
• NAHB: National Association of
Home BuildersEnhance Housing & Building IndustriesProvide Affordable & Safe HousingEstablished 1942140,000+ Member Companies
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Motivation
• Why do we need a measuring
standard?
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Motivation
• What is it?– Voluntary Guidelines for describing,
calculating, measuring, and reporting of area
for Single Family Residential (SFR) attached,
detached & semi-detached (Duplex) homes.
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Motivation
• In the beginning…
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Motivation
• There was…, Gross Living Area (GLA)
• “Total area of finished, above-grade residential space; calculated by measuring the outside perimeter of the structure and includes only finished, habitable, above-grade living space. (Finished basements and attic areas are not generally included in total gross living area. Local practices, however, may differ).”
• The Dictionary of Real Estate Appraisal, 5th ed.
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Motivation
• Why do we need it? Inconsistent Measuring Methods
• Exterior area Measuring
• Interior area Measuring
• Mixture of both
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Motivation
• Why do we need it?Different Measurers & Uses
• Appraiser
• Assessor
• Realtor
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Motivation• Appraiser
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Motivation• Assessor
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Motivation• Realtor
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Motivation
• Why do we need it?Differing SF Measuring Methods Cause
• Confusion
• Inconsistent Results
• Conflict
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Motivation
One of the most common reasons
appraisers & realtors get sued is over
measuring disagreements
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Motivation
Consistent measuring methods
reduces liability
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Motivation
• History Behind Z765 Standard Building Owners & Managers Association (BOMA)
• 1915 develop commercial building measurement standard
• Current Version: Z65.1-2010 (Commercial buildings)
NAHB• 1994 NAHB research begins work on residential standard
• First Version: Z765-1996
• Previous Version: Z765-2003
• New Version: Z765-2013 – Summer 2013
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Motivation
• Z765 Participants (partial list) Appraisal Foundation American Institute of Architects Consumers Union Employee Relocation Council (ERC) Fannie Mae Freddie Mac HUD International Code Council Manufacturer Housing Institute National Association of Home Builders (NAHB) National Association of Realtors (NAR) Veterans Administration
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Motivation
• States that use ANSI Z765 (partial list)AlabamaArkansasColoradoKentuckyLouisianaNorth Carolina
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Five Deadly Measurement Sins
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Five Deadly Measurement Sins
• Five Causes of Measurement Errors Measuring Issues Missing Gross Living Area (GLA) Counting Non-GLA Complex Floor Plans Inaccessible Measurements
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Five Deadly Measurement Sins
• Five Causes of Measurement ErrorsMeasuring Issues
Equipment Failure Measuring Wheels Fiberglass Tape Measurers Laser Measurers
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Five Deadly Measurement Sins
• Five Causes of Measurement ErrorsEquipment Failure Example
Elongated Wheel
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Five Deadly Measurement Sins
• Five Causes of Measurement ErrorsMeasuring Issues
Equipment Failure Measuring Wheels Fiberglass Tape Measurers Laser Measurers
Squaring Error
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Five Deadly Measurement Sins
• Five Causes of Measurement ErrorsSquaring Example #1
Easy!
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Five Deadly Measurement Sins
• Five Causes of Measurement ErrorsSquaring Example #2
Easy, Right?
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Five Deadly Measurement Sins
• Five Causes of Measurement ErrorsMissing Gross Living Area (GLA)
Four Season Porches Bonus Rooms Excluding Stairs Hallways (extending to unfinished spaces) Mother-in-law Units (attached through finished hall)
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Five Deadly Measurement Sins
• Five Causes of Measurement ErrorsCounting Non-GLA
Three Season Porches Decks Patios Non-attached Auxiliary Buildings
ie: Mother-in-law units above a detached garage
Garages Below-grade Including Stairs (double dipping)
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Five Deadly Measurement Sins
• Five Causes of Measurement ErrorsComplex Floor Plans
Upper level footprint doesn’t match main footprint Interior Cavities/Dead-space in walls Difficult Geometries Multi-Level Homes
Completely Above-grade Partially Above-grade
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Five Deadly Measurement Sins
• Five Causes of Measurement Errors Inaccessible Measurements
Upper Stories: two and above Condos Attached Townhomes Not accounting for wall thickness
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Z765-2013 Components
• Components of the ANSI Z765 Standard
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitionsArea Measurement & CalculationArea Reporting
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
Attached Single-Family Residential (SFR) Home A house that has its own roof & foundation, and is separated by
dividing walls that extend from the roof to the foundation. The
house does not share utility services with other attached houses.
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
Detached Single-Family Residential (SFR) Home A house with open space on all sides
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
Habitable Space A space in a building for living, sleeping, eating or cooking.
Bathrooms, toilet rooms, closets, halls, storage or utility spaces
and similar areas are NOT considered habitable spaces.
International Building Code (IBC) - 2009
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
Habitable Space A space that is usable year-round.
Interpreted definition ANSI-Z765
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
Finished Area An enclosed area in a house that is suitable for year-round use that
is consistent with the rest of the house
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
Unfinished Area Sections of the house that do not meet the criteria of finished area
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
Grade The ground level at the perimeter of the exterior finished surface
of a house.
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
Level Areas of the house that are vertically within two feet of the same
horizontal plane.
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
Square Footage (SF) Area of length X width. Units in square meters using Metric
(Standard International) measurements, or square feet using
English measurements.
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
Finished SF Same as finished area, although not a Z765 definition.
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
Unfinished SF Same as unfinished area, although not a Z765 definition.
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
FNMA definitions. Not defined in Z765 standard but presented here for
reference.
Gross Living Area (GLA)Below-Grade SF (BSF)
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Z765-2013 Components
• Components of the ANSI Z765 StandardGross Living Area (GLA)
For units in condominium or cooperative projects, use interior
perimeter unit dimensions to calculate the gross living area. In all other
instances, use the exterior building dimensions per floor to calculate
the above-grade gross living area of a property. Only finished above-
grade areas should be used— garages and basements (including those
that are partially above-grade) should not be included.
FNMA Guidelines: XI, 405.06 (11/01/2005)
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Z765-2013 Components
• Components of the ANSI Z765 StandardBelow-grade SF
Consider a level to be below-grade if any portion of it is below-grade—
regardless of the quality of its “finish” or the window area of any room.
Therefore, a walk-out basement with finished rooms would not be
included in the above-grade room count.
FNMA Guidelines: XI, 405.06 (11/01/2005)
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Z765-2013 Components
• Components of the ANSI Z765 StandardDefinitions
Garage A structure intended for the storage of automobiles and other
vehicles.
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Z765-2013 Components
• Components of the ANSI Z765 StandardMeasurement & Calculation of Area
Units of Measurement Attached SFR Finished Area Detached SFR Finished Area Above- & Below-Grade Area Distinctions Above- & Below-Grade Finished Area Openings to Floor Below Area Ceiling Height Requirements Building Protrusions
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Z765-2013 Components
• Components of the ANSI Z765 StandardReporting of Area
Rounding Above & Below Finished Area Above & Below Unfinished Area
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Where the Rubber Meets the Road
• Examples
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Where the Rubber Meets the Road
• Example #11- Story 26’ X 40’, Flr-Ceiling Bump, No Bsmt.
1076 SF Above-grade
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Where the Rubber Meets the Road
• Example #21-Story 26’ X 40’, Bay Window Bump,No Bsmt.
1040 SF Above-grade
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Where the Rubber Meets the Road
• Example #31-Story 26’ X 40’, Bay, 25% below-grade Bsmt.
1004 SF Above-grade , 1040 SF Below-grade
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Where the Rubber Meets the Road
• Examples #42-Story 26’ X 40’, Bay, Bsmt + 6’ X 6’ Open Foyer
2044 SF Above-grade, 1040 SF Below-grade
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Where the Rubber Meets the Road
• Examples #52-Story 26’ X 40’, Flr, Bsmt + 6’ X 6’ Open Foyer
2044 SF Above-grade, 1076 SF Below-grade
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Where the Rubber Meets the Road
• Examples #62-Story 26’ X 40’, Flr, 25% below-grade Slab
1040 SF Above-grade, 1076 SF Below-grade
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ANSI Z765-2013• Where to find:
http://www.homeinovaton.com/about/bookstore
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Questions to Ponder
• ANSI Z765-2013 Questions
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ANSI BOMA Z65.4-2010
Multi-Family Residential Measurement Standard
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Measuring Multi-Family Residential Properties Using BOMA Z65.4
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Z65.4 Overview
ScopeKey FeaturesApplicabilityHistoryDefinitionsZ65.4-2010 SynopsisExample
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Z65.4 Scope
• 4+ Unit Residential Measurement Standard for – Measuring– Calculating– Reporting
Seven Types of Building AreaAny ideas what they are?
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Key Features• Flexible
– Individual Units | Whole Building
• Consistent– Standard Rules for Measuring & Reporting Area
• Two Measuring Methods– Gross – Net
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Building Types
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BOMA History
• National Association of Building Owners and Managers– Founded 1907– Changed name to BOMA in 1968
• Information source– Bldg. Codes, Legislation, Statistics, & Technology
• 16,500+ members
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BOMA Z65.4 History
• Z65.1-2010 Office Bldg. Standard– Original Standard Circa. 1915
• Z65.2-2012 Industrial Bldg. Standard• Z65.3-2009 Gross Area Bldg. Standard• Z65.4-2010 Multi-Unit Res. Standard• Z65.5-2010 Retail Bldg. Standard• Z65.6-2011 Mixed-Use Bldg. Standard
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Quiz
• Calculate the Following for a Unit:– Construction Gross Area (CGA)– Void Area
Wall Width: 2’ thick between living units 1’ thick otherwise
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Quiz Floor Plan
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Quiz Floor Plan
• Which is correct for CGA?1040 SF1144 SF1077 SF1024 SFNone of the above
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Quiz Answers
1077 SF for Construction Gross Area (CGA)41’ X 22’ + 11’ X 11’ + 9’ X 6’ = 1077 SF
100 SF or 121 SF for Void Area10’ X 10’ = 100 SF (Net Method)11’ X 11’ = 121 SF (Gross Method)
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Z65.4-2010 Definitions
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Definitions
• Building Perimeter– External perimeter around level or floor
• Center Line– Mid-point of wall
• Common Area– Shared by two or more units
• Construction Gross Area (CGA)– Total area of all floor calculated using perimeter
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Definitions
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Definitions• Demising Wall
– A wall between areas; may be same or different
• Finished (wall) Surface– Face of wall | window; painted or clad wallboard
• Limited Common Area– Private balconies, decks, patios, or porches
• Living Unit– Residential Habitable Unit
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Definitions
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Definitions
• Major Vertical Penetrations (MVP)– Floor opening for ductwork & building utilities
More than one SF | 0.1 Sq. MetersLocated anywhere in CGA
• Multi-Unit Residential Building– Building with 4+ residential Units
Includes: corridors, lobbies, parking, stairs, & storage
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Definitions
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Definitions• Occupant
– A person(s) living or squatting in a living | storage unit
• Occupancy Voids– An opening between floors in a single living unit
Includes: stairs, elevators, and dumwaiters
• Unit Gross Area (UGA)– Overall area of either living or a storage unit
Method A, discuss in a bit
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Definitions
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Definitions
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Definitions
• Restricted Headroom Area (RH)– Area in living unit that does not meet IBC 1208.2
minimum ceiling height.
• Storage Unit Area (SU)– Enclosed area used for storage
Not part of or connected to living areaMay be unfinished, have restricted headroom, limited
building services, & not suitable for a use as living unit
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Definitions
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Definitions
• Structured Parking Area (SP)– An attached enclosed vehicle storage structure
Excludes off-street uncovered parking, on-grade parking below an elevated building, and carports
Detached parking garages are considered separately
• Unit Net Area (UNA)– The net area of a living unit or a storage unit
Method B, discussed in a bit.
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Definitions
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Definitions
• Void– An open air space where a floor is expected
Not part of CGAVoid Examples: atriums, and 2-story foyersMajor vertical penetrations are not voidsDifferent from occupant voids
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Definitions
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Z65.4-2010 Definitions
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Meat & PotatoesHow to Apply Z65.4-2010
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Meat & Potatoes
• Overview of Standard– Unit Gross Area Method: Method A– Unit Net Area Method: Method B
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Meat & Potatoes• Gross Method: Method A
– Measures gross area of unit
• Net Method: Method B– Measures net area of unit
• Measurement Rules– Must explicitly specify which method used– Z65.4 does not specify units | precision
• Standard Application same for either Method
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Meat & Potatoes
• Four Steps in apply Z65.4 Standard– Determine CGA– Partition area by type for each floor– Determine boundaries of each type of space– Calculate all areas and tabulate
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Meat & Potatoes
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Meat & Potatoes
• Four Steps in apply Z65.4 Standard– Determine CGA
Measure | Plans & Spec Building perimeter boundary
Calculate Gross Area of each floor Based on building perimeter boundary
Sum all floors
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Meat & Potatoes
• Four Steps in apply Z65.4 Standard– Partition area by type for each floor (ID only)
Seven types of area What are they???
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Meat & Potatoes• Seven Types of Areas
– Major Vertical Penetration– Structured Parking– Living Units– Restricted Headroom– Limited Common Area– Storage Unit– Common Area
Voids aren’t considered a space, since they’re not part of CGA
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Meat & Potatoes
• Four Steps in apply Z65.4 Standard– Determine boundaries of each type of space
Figure out wall measuring point Interior finished side; also called near-side Exterior side (finished | unfinished); also called far-side Mid-point of wall
Use Wall Priority Diagrams to decide measuring point
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Meat & Potatoes
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Meat & Potatoes
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Meat & Potatoes
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Meat & Potatoes• Four Steps in apply Z65.4 Standard
– Calculate all areas and tabulateCalculate areas: Net | Gross method | both methodsTabulate areas of each type by:
Individual units; Net | Gross | both Each floor Sum all
Report in Global Summary of Areas form | similar form Report units in feet | meters Round to nearest square foot | square meter
Standard suggests follow steps in order
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Meat & Potatoes
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Putting it all Together
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Putting it all Together• Calculate the Following for Unit A:
– Construction Gross Area– Unit Gross Area– Unit Net Area– Major Vertical Penetration Area– Common Area– Limited Common Area– Void AreaWall Width:
2’ thick between living units 1’ thick otherwise
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Putting it all Together
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Putting it all Together 1077 SF; Construction Gross Area (CGA)
41’ X 22’ + 11’ X 11’ + 9’ X 6’ = 1077 SF
1023 SF; Unit Gross Area (UNA)41’ X 22’ + 11’ X 11’ = 1023 SF
900 SF; Unit Net Area (UGA)40’ X 20’ + 10’ X 10’ = 900 SF
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Putting it all Together64 SF for Major Vertical Penetration (MVP)
8’ X 8’ = 64 SF167 SF for Common Area (CA)
11’ X 21’ – (8’ X 8’; elevator) = 167 SF56 SF for Limited Common (LC) Area
6’ X 9’ = 54 SF100 SF for Void Area
10’ X 10’ = 100 SF (Method B)
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Putting it all Together
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Wrap-Up• Questions
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Fini!• ANSI BOMA Z65.4-2010: Multi-family
Measurement Standard
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ANSI BOMA Z65.4-2010• Where to find:
http://store.boma.org/t/categories/boma-standards