Editor's Note: As some of you know I survived
a flood recently in our office. Thankfully ,we are all put back
to normal- even better than before and no ensuing mold problems.
The best advice I can give any of you that face a flood is to get
professionals into deal with it- instantly. We used a professional
restoration firm and they used banks of dehumidifiers and fans with
hoses under the floor boards. Do not try and clean up yourself as
it will result in mold and other health problems for you. Time is
of the essence.
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INFO LINKS |
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Cat Allergy Solution Guide - a quick buyers guide of
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This article from Canada I found very helpful and
full of practical advice.
What to do Before and After
Beyond the human toll taken in lives and suffering,
flood damage costs Canadian taxpayers millions of dollars annually.
Though governments at every level work to reduce the risk of floods,
the first line of defence always rests with the individual. Each
of us has a responsibility to protect our homes and families to
the greatest extent possible. By planning ahead and taking sensible
precautions, you can do your part to minimize flood damage.
Flood threats to particular areas can usually be forecast
in a number of ways:
- By constant evaluation of rising water tables that result from
heavy rain
- Through surveys of snow conditions in river drainage basins
- By meteorological observations and forecasts.
Flash or sudden flooding, in which warning time is
extremely limited, can result from other causes such as earthquakes,
tsunamis or tidal waves, hurricanes. violent storms or bursting
of dams. In all cases, local government authorities try to keep
residents informed of developments in areas most likely to be affected
by flooding. Regular media advisories will recommend actions people
should take to limit or prevent disaster. As the need arises, more
detailed instructions by municipal or provincial authorities will
be given.
BEFORE THE FLOOD
Electricity
When there is immediate danger of flooding,shut off all power in
your home.
Heating Equipment
Special precautions should be taken to safeguard or minimize damage
to electrical, natural gas or propane heating equipment. If there
is enough warning time, consult your supplier for instructions on
how to proceed.
General Precautions
Ensure that you have a battery-powered radio in working order, with
spare batteries, to listen to instructions from your local station.
Prepare an emergency survival kit that includes food, water and
medical supplies in an easy-to-carry container. In addition to the
battery-powered radio and spare batteries, it should contain at
least the following items:
- flashlight with spare batteries
- warm clothing, including waterproof outer garments and footwear
- blankets
- all necessary medication
- infant care items
- personal toiletries
- identification for each member of your household
- any important personal and family documents.
Move furniture, electrical appliances and other belongings
to floors above ground level. Remove such toxic substances as pesticides
and insecticides from the immediate area to prevent pollution. Remove
toilet bowls, and plug basement sewer drains and toilet connections
with a wooden plug. Disconnect eavestroughs if they are connected
to the house sewer.
In some cases, homes may be protected by using sandbags
or polyethylene barriers. But this approach requires specific instructions
that must be obtained from your local emergency officials.
EVACUATION
Vacate your home when you are advised do so by local emergency authorities.
Ignoring such a warning could jeopardize the safety of your family
or those people who might eventually have to come to your rescue.
When you leave, take your emergency survival kit with
you. Follow the routes specified by officials. Don't take shortcuts.
They could lead you to a blocked or dangerous area. Make arrangements
for pets.
Should time allow, leave a note informing others when
you left and where you went. If you have a mailbox, leave the note
there. If you are evacuated, register with the reception centre
so that you can be contacted and reunited with your family and loved
ones. If you are using your car, try not to drive through flood
waters. Fast water can sweep your car away. However, should you
be caught in fast rising waters and your car stalls, leave it behind.
Always consider your safety and the safety of others first.
AFTER THE FLOOD
Following a flood, it is important to restore your home to good
order as soon as possible to protect your health and prevent further
damage to your house and its contents. Canada Mortgage and Housing
Corporation has prepared the following handy checklist to help you
organize your clean-up. However, this information is provided as
self-help advice only.
BEFORE YOU BEGIN
Exercise caution when re-entering your home. Avoid electrical shock
by wearing rubber boots in an area flooded with more than 5 cm (2
in.) of standing water.
ELECTRICITY
Keep extension cords out of the water. If the power is on in the
flooded area, shut it off immediately at the breaker box. If conditions
are wet around the breaker box, stand on a dry board and use a dry
stick to turn off the switch. Consult with your local electrical
utility if you require assistance.
THE BUILDING
Make sure the building is structurally safe. Look for buckled walls
or floors. Watch for holes in the floor, broken glass and other
potentially dangerous debris.
WATER
Flood water can be heavily contaminated with sewage and other pollutants,
and pose a serious health hazard. If through taste, colour or odour
you suspect that your drinking water has been contaminated, purify
it before drinking either by boiling it for 10 minutes or adding
purification tablets. If you choose to chlorinate your water with
a non-perfumed bleaching compound, add one drop per litre of water,
or three drops per litre of cloudy water, and allow it to stand
for 30 minutes before consuming.
Household items that have been flood-damaged will
have to be bagged, tagged and discarded according to local regulations.
EQUIPMENT
Assemble equipment and supplies, which should include:
- gloves, masks and other protective gear
- pails, mops, squeegees and plastic garbage bags
- chlorine bleach and non-ammonia dishwashing detergent (Note: Never
mix bleach with ammonia since the fumes produced together are toxic.)
- large containers for soaking bedding and clothing, and lines to
hang them until they are dry.
You may also need to rent extension cords, submersible
pumps, wet/dry shop vacuums, a carbon monoxide sensor, and dehumidifiers,
fans or heaters. Remember to store all valuable papers that have
been damaged in a freezer until they are needed.
Record details of flood damage, by photograph or video
if possible. Register the amount of damage to your home with both
your insurance agent and local municipality immediately
FIRST STEPS IN CLEAN-UP
Water Damage
Immediately add about 2 litres of chlorine bleach to standing water.
Do not occupy a house that still containsstanding water. Remove
water from your flooded home slowly. Drain it in stages - about
a third of the volume daily. If the ground is still saturated and
water is removed too quickly, it could cause the walls or the floor
to buckle.
Use pumps or pails to remove standing water, followed
by a wet/dry shop vacuum to mop up the rest. For instructions on
how to disinfect and restore wells and cisterns, contact your local
or provincial health authorities or emergency measures organization.
Heating
Do not heat your home to more than 4 degrees Celsius (about 40 degrees
Farenheit) until all water is removed. If you use gasoline-, kerosene-
or propane-powered pumps or heaters, buy and install a carbon monoxide
sensor. Combustion devices can produce large amounts of lethal carbon
monoxide when out of tune or improperly ventilated.
Dirt and Debris
Remove all soaked and dirty materials and debris. Break out walls
and remove drywall, wood panelling and insulation at least 500 mm
(20 in.) above the high-water line. Remove residual mud and soil,
furniture, appliances, clothing and bedding.
Hose down any dirt sticking to walls and solid-wood
furniture. Then rinse several times. Wash and wipe down all surfaces
and structures with chlorine bleach, ensuring there is adequate
cross ventilation to remove fumes. Then rinse again. Wear a charcoal
respirator (which can be obtained at major safety supply or hardware
stores) when using bleach in any closed space.
Wipe down surfaces that have not been directly flood-affected
using a solution of one part chlorine bleach to four parts cold
or tepid water, mixed with a small amount of nonammonia dishwashing
detergent. Then rinse.
Structures
Ventilate or dehumidify the house until it is completely dry. Tape
clear food wrap to sections of material. If these sections are still
damp inside, they will turn darker than the surrounding material.
Dry until this does not occur.
Rinse, then clean all floors as quickly as possible.
Replace flooring that has been deeply penetrated by flood water
or sewage. Clean all interior wall and floor cavities with a solution
of water, chlorine bleach and non-ammonia dishwashing detergent
and dry thoroughly.
If regular checks reveal mould, kill it with chlorine
bleach. Mould can lead to serious health problems.
Floor Coverings
Carpets must be dried within two days. For large areas, hire a qualified
professional to do the job. Carpets soaked with sewage must be discarded
immediately.
WATER-DAMAGED HEIRLOOMS AND ANTIQUES
General Recommendations
Time is of the essence to prevent further damage. Wet items will
be heavy and fragile, so keep them well-supported when handling,
drying, or freezing. Relocate items to a cool, dry location as soon
as possible. Freeze books, paper, and textiles until they can be
properly treated, and consult a conservator before attempting any
repairs. If items are contaminated with sewage, take proper health
precautions.
Dirt
If dirty items are saturated, rinse with clean water if they are
strong enough to withstand it; exceptions are paper, fragile items,
or those with loose parts or soluble paints and adhesives. If items
are only damp, let mud dry and then brush it off.
Mold
To minimize mould growth, move items to a cool, dry area within
48 hours and set up fans. Alternatively, textiles, paper, and books
can be frozen and a conservator called for advice. Wet mould will
smear if wiped; let it dry then brush it off out-of-doors. Materials
not affected by alcohol can be lightly misted with isopropanol (rubbing
alcohol) to kill mould spores. Note: Mould is a health hazard. If
present, wear a face mask and disposable gloves.
Textiles (other than Upholstery)
- Separate dark- and light-coloured items to prevent staining; if
colours run, rinse in clean water until the water runs clear.
- Remove any metal attachments and dry separately.
- Blot excess water, lay items flat, shape them, and air-dry quickly
using fans; alternatively, place textiles individually on supports,
bag separately, then freeze for treatment later.
- If staining has occurred, do not allow items to dry; bag them
wet and freeze, then seek the advice of a conservator.
Furniture
First priority is to keep the wooden structure from warping or splitting,
so dry slowly; discoloration of the finish such as "blooming"
is secondary and can be dealt with later. Use caution with flaking
paint and lifting veneers. Joints may be loose if glue is water-soluble.
- Open doors and drawers immediately so they do not swell in situ
and become impossible to remove when dry; do not force if stuck.
- Blot excess water.
- Lay freezer or wax paper on lifting veneer and apply weights.
- Air-dry using fans; if necessary, shelter the item under polyethylene
sheeting to slow drying.
- For upholstered furniture remove cushions but not upholstery,
and blot excess moisture from both; raise furniture onto blocks
and place fans underneath.
Metals
- Move ferrous (iron-containing) metals to a dry location as soon
as possible, blot excess water, blow hollow areas with warm (not
hot) air, and air-dry.
- Metals other than iron are less prone to water damage.
Paper
Most items can be air-dried. Inks or dyes that have run can be "wicked
up" with the corner of a sheet of blotting paper or paper towel.
Do not blot! Stains and distortions should be treated by a paper
conservator.
Books
- Bag or wrap in freezer paper all books printed on glossy paper,
and freeze immediately to prevent pages from sticking together.
- For other books, if not saturated fan out pages and air-dry, using
fans (set on cool) to circulate air; if saturated, freeze as soon
as possible and thaw as time permits.
Documents
- Remove documents from wet storage boxes or coloured file folders;
keep supported.
- Do not try to separate pages if stuck together.
- Where possible remove pins, paper clips, and staples to avoid
corrosion.
- Air-dry on blotting paper or paper towels, or freeze.
Prints, Drawings,
Watercolors)
- Remove items from frames, lay face up on blotting paper or other
absorbent material, and air-dry.
- For vellum or parchment documents, and pastel, charcoal, or chalk
drawings, call a conservator.
Oil and Acrylic Paintings on Canvas
- Remove excess water by tilting and draining from a corner.
- Relocate paintings to a dry area; use fans to increase air circulation.
- Remove paintings from frames unless there is adhesion of the paint
to the frame; do not remove paintings from stretchers.
- Place damaged or highly textured paintings face up and raise on
blocks for adequate air circulation.
- Paintings with minimal texture should be placed face down on a
padded, absorbent surface covered with tissue paper; if the stretcher
is warping, place weights on the corners.
- Contact a conservator immediately for further advice and/or assistance.
Photographs
Some early photographs (i.e. tintypes, daguerreotypes) will not
survive immersion. Store them in waterproof containers away from
potential leaks. If other types of photographs are stuck together
do not try to separate them. Prioritize for salvage as follows:
- Contemporary colour prints
- Black-and-white prints
- Black-and-white negatives
Most photographs can be either air-dried (face up)
or frozen, then thawed and air-dried.
WHAT TO KEEP OR DISCARD
Remove and replace all insulation materials and other
articles that have been soaked, including particleboard furniture,
mattresses, box springs, stuffed toys, pillows, as well furniture
coverings, paddings and cushions.
Frames on high-quality furniture can often be salvaged.
However, they must first be cleaned, disinfected and rinsed, then
dried by ventilation away from direct sunlight or heat. Drying too
quickly can cause warping and cracking.
Scrape heavy dirt from washable clothes. Rinse and
wash them several times in cold water treated with one cup of chlorine
bleach per washer load, and dry quickly.
Consult your lawyer to determine whether flood-damaged
documents or just the information in them must be retained. The
yard area should also be cleared of all debris and refuse, which
can provide a breeding ground for bacteria and mould. Keep children
away from contaminated areas during clean-up operations.
BEFORE MOVING BACK IN
Once the flood waters have receded, you must not live
in your house until several steps have been followed:
- The regular
water supply has been inspected and officially declared safe for
use
- Every flood-contaminated room has been thoroughly cleaned,
disinfected and surface-dried
- All contaminated dishes and utensils
have been thoroughly washed and disinfected either by using boiling
water or by using a sterilizing solution of one part chlorine bleach
to four parts water; then rinse dishes and utensils thoroughly
- Adequate toilet facilities are available. (For more information,
consult your local health authority.)
Heating Systems and Appliances
Do not use flooded appliances, electrical outlets,
switch boxes or fuse-breaker panels until they have been checked
by your local utility.
Whether you use a wood, gas or electrical heating
system, ensure that you have it thoroughly inspected by a qualified
technician before using it again. If they have been soaked, replace
the furnace blower motor, switches and controls. Flooded forced-air
heating ducts and return-duct pans should be either cleaned or replaced.
Replace filters and insulation inside furnaces, water heaters, refrigerators
and freezers if they have been wet. However, it is often cheaper
to replace this equipment.
Floor Drains
Flush and disinfect floor drains and sump pumps using
undiluted chlorine bleach. Scrub them to remove greasy dirt and
grime. Clean or replace footing drains outside the foundation when
they are clogged. Consult a professional for advice or service.
Food
Any of the following food items exposed toflood waters
must be disposed of:
- The contents of your freezer or refrigerator
- All meats
- All fresh fruit and vegetables
- All boxed foods
- All bottled drinks and products in jars, including home preserves
- since the area under the seal of jars and bottles cannot be properly
disinfected
- All medicines, cosmetics and other toiletries. All undamaged canned
goods must be thoroughly washed and disinfected. Any cans with large
dents or that reveal seepage must also be disposed of.
(A reminder: Anything that stays wet long enough will
grow mould, and mould can make people sick. Dry everything quickly
to avoid future health problems.)
For other self-help advice on emergency preparedness,
follow instructions offered by your local emergency services or
contact your provincial emergency measures organization. For further
information on the subject matter covered in this publication, contact:
This publication was co-produced by Emergency Preparedness
Canada and Canada Mortgage and Housing Corporation in co-operation
with the National Archives of Canada and the Canadian Conservation
Institute.
