Grow ops, Mold and Risk Management · How Much Electricity? WConsider just the lighting...
Transcript of Grow ops, Mold and Risk Management · How Much Electricity? WConsider just the lighting...
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Grow ops, Mold andRisk Management
Grow ops, Mold andRisk Management
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WGrow homes are one thing, but as an Environmental consultant, I've been asked many times by Realtors and Home Buyers how to identify a Meth Lab.W Below are pictures of four Labs for your
review. I think it's pretty obvious which one is the Meth Lab. I hope this helps.
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You can see why this is such a problem!
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Grow ops and Mould
Grow op homes and Mold can be remediatedGrow op homes can be made safe- and become the cleanest on the block …
but
Competent validation and verification is essential
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Key questionsKey questions
WWhat is so bad about a grow op?WWhat are the issues?WHow can I ensure the issues are
resolved?
WWill the effects of a grow op resurface?
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Is it attic staining or is it toxic mould?Is it attic staining or is it toxic mould?
Not all are this easy to spot
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..Is this dangerous? If so why? Anything hazardous here?
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.. Toxic? Mould?
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Media says it’ll kill you!Media says it’ll kill you!
The media says that grow homes are nasty with mean people inside, maybe bikers, or worse ….
But its more about the clean up and indoor air quality (IAQ)
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The media message is extreme as are some stories
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What is Indoor Air QualityWhat is Indoor Air Quality
W IAQ is a term used to express the healthiness of the indoor environmentW It encompasses various toxins and
hazards that can affect homes.W It can be measuredW IAQ is a professional specialist field
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IAQ concerning IssuesIAQ concerning Issues
W More than 15% of the population is adversely affected by poor IAQ
W 50% of Canadian homes are damp and moldy.
W Some say 20% of Okanagan homes have had grow issues.
W Home inspectors have this on their radar.
W “grow” homes are most stigmatized
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INDUSTRY CHALLENGESINDUSTRY CHALLENGES
WBylaw infraction consequencesWClean up protocolWRecertification of home after
cleaningWAddressing media driven stigmaWResale value impacts
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BUYER CONCERNSBUYER CONCERNS
WGrow op stigma based on emotionWThere’s mold in the walls WThe problems come backW I will get sickWHouse has to be resaleable
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What’s a Grow House?What’s a Grow House?
WA home that is used for growing marijuanaW small operation where part of the home is
used as a grow operationW larger operation where the entire home is
full of plantsWHydroponicsW ChemicalsW Lighting
Water
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Small Grow Operation
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You may never know by looking at the home
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Large OperationLarge Operation
W Usually involved with organized crimeW MO #1
W Home is rented from an unknowing landlordW Entire house is turned into a grow operationW Very invasive and may cause damage
W MO #2W Home is purchased (often with cash)W Entire house is turned into a grow operation
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Lots of MoneyLots of Money
WOne large scale grow operation in a modestly sized residential homeW Average of 200 plants per home
W Stats from drug bustsW Four to six harvests in a yearW $200,000 to $300,000 to grow operationW Adds up to about one million dollars on the
street
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HydroponicsHydroponics
WGrowing without soilW can set up a large operation without
trucking in loads of dirtWNutrients and water fed directly to the
roots of the plantW Light provided with high intensity
lighting unitsW Climate is controlled with ventilation
systems
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HydroponicsHydroponics
W Can grow entirely indoorsW Plants can be very close togetherW Roots don’t have to spread out in soil
W Faster growthW Larger and more lush growth
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Affects On The HomeAffects On The Home
W ElectricalW StructuralW CosmeticWMold
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ElectricalElectrical
W Lighting and ventilation equipmentW Uses a great deal of electricity
WAd hock modifications of electrical systemWWhy?W Don’t want electric meter to suddenly
show increased energy usageW Don’t want to pay for the electricity
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How Much Electricity?How Much Electricity?
W Consider just the lighting requirements of a 1000 square foot grow operation –W Need 3,000 lumens of light per square footW Total of 3 million lumens requiredW 100 lumens per watt out of a HID bulbW Gives us 30 KW of electricity (that’s 125 amps at 240
volts!)W Light cycle is between 12 and 20 hours per dayW Using only 12 hours per day we get 360 KW-hrs per
day or about 130, 000 KW-hrs per yearW Using an average of 8 cents per KW-hr we get about
$10,000 per year
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How Much Electricity?How Much Electricity?
W In the previous calculation we only considered the lighting requirementsW Ventilation is also needed
W Two factors were calculatedW Amps required is about 125 amps (this may
be more than the service size for the entire house)
W Cost of about $10,000 per year
W This is enough to draw attention!
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Stealing ElectricityStealing Electricity
W To avoid drawing the attention of the electrical utility and the policeW Tampering with the meterW Tapping electricity from upstream of the
meter
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Meter TamperingMeter Tampering
W Remove the meterW Insert a shuntW Replace the meterWMost of the electricity goes through the
shunt instead of the meter
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Meter
Meter Base
UtilitySeal
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Meter Tampering Cont’dMeter Tampering Cont’d
W Tampering evident on close inspection by a meter reader or a police officer
W The electric utility may be tipped off because the home is now using too little electricity
W A less obtrusive approach is to steal only the electricity for the grow operation and pay for the normal household amount
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Tap Upstream of the MeterTap Upstream of the Meter
W Tap into the service drop cablesW Tap into the underground cables
(service lateral)
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Drip Loop
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Effect on the HomeEffect on the Home
W Electrical tampering as described causes very little damage to the houseW Removed the illegal panel and wiringW None of the household wiring has been
usedW Little chance that you have to worry
about damaged branch circuit wiring due to overheating
W Replace underground service cable and
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Effect on the HomeEffect on the Home
W Electrical tampering may not be so cleanW The examples showed a very slick
operationW A less savvy operator may cause
significant damage to the existing electrical systemW Use existing electrical systemW Install oversized breakers
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How about the holeHow about the hole
WA hole in the foundation as shown causes no significant structural damageW Fill in the holeWDamp-proof the exteriorWYou are good to go
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Danger of FireDanger of Fire
WWhile the grow op is in operationW Danger of fireW An unsuspecting landlord could loose a
home to fire if the tenants are running a grow operation
W Let’s have a look at the risk
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Structural DamageStructural Damage
WDamage caused by modificationsW Not likely as big a problem as you might
think
WDamage caused by wood rot inside the walls due to high humidityW Not likely as big a problem as you might
think
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How About Rot Inside The WallsHow About Rot Inside The Walls
W Very high humidity levels could cause condensation inside the walls
W Grow ops try to control the humidity levels with ventilationW High humidity creates large leaves with low THC levels
(low quality)W Still you could have localized high humidityW It would take a very long time to significantly affect
the structureW Mold is a possibility but structural damage is much
less probable
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Rot in the AtticRot in the Attic
W This is a minor concernW The ventilation system usually
discharges the hot, moist air into the atticW In cold climates this means extensive
condensation on the roof deckingWUsual visual effect is fungal staining.
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MoldMold
WWill there be mold?W Mold is a possibility from the high
humidity environmentW Surface mold most common and is often
visible (surface of walls, attic etc.)W It is possible to have mold where you
can’t see it – inside the walls.
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Is Mold A Concern?Is Mold A Concern?
W There is a big range of opinion on this topicW It is likely that the media’s representation of mold
is unfoundedW At the very least we all agree we would prefer not
to have excessive mold growth in the homeW Remove the source of moisture (the grow op)W Clean up the mold
W May be an extensive clean up depending on how the operation was run
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Does it come back?????
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Mold Health EffectsMold Health Effects
W People with lung sensitivity (allergy, asthma, COPD may find that mold triggers an attack)
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Media Hype doesn’t help
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KEY INSURER ISSUESKEY INSURER ISSUES
WCompetency of building
WResaleability of building
WUnknown hazards
WPotential for future degradation
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BUILDING INSPECTORBUILDING INSPECTOR
WMight have a bias against grow homes
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IAQ concerning IssuesIAQ concerning Issues
WMore than 15% of the population is adversely affected by poor IAQW Some say 20% of Okanagan homes
have had grow issues.WHome inspectors have this on their
radar.W “grow” homes are most stigmatized
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MOLD SOLUTION SUMMARYMOLD SOLUTION SUMMARY
W Professionally identify extent of problemW Only microbial remediation contractorsW Only third party Consultant verificationW Don’t’ be afraid to talk about indoor air qualityW Understand home buyer’s concernsW Ensure their questions are answered
professionally
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SPECIALISTSSPECIALISTS
W EPA/ IICRC registered contractorsW Needed if extensive demolition requiredW Needed if fungi is toxic or pathogenic
W Environmental consultantW Professional third party testing.
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Repeat repeat repeatRepeat repeat repeat
WGrow ops can be cleaned, indoor air quality problems solved
WHomes can be recertified safe
WWhen its clean its clean
Your investment is safe
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Future DevelopmentsFuture Developments
HOUSE HEALTHINESS EVALUATION SUMMARY
VARIABLE
Composite Values
Moisture type
Active moisture - surface(MC)
S11
Active moisture - airborne (RH)
S12
Past moisture events
S13
Nutrient type
Nutrient - paper/dirt/dust
S21
Nutrient - wood/panelling
S22
Particulate type
Particulate levels
M31
Occupant/ storage load
M32
Mold growth/odor/rot/damp
M33
Mold stain/ dry/ no odor
M34
Filtration (10 = none)
Filtration type M2
Ventilation type
Passive outdoor air
M111
Mechanical outdoor air
M112
Internal air circulation
M12
HOME HEALTHINESS SCORE 0.0
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Home & Occupant health Graph Home & Occupant health Graph
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