Also called a "Winter Maintenance
A form of maintenance checklist
that includes seasonal requirements for winterization, such as:
1. Enclosure System -[
Roofs, Canopies and Other Projections
Terraces/Decks, Balconies, & Patios
- Check for missing, damaged or loose
- Check that flashings and appurtenance
(such as antennas and signage) are properly fastened.
- Check seals around chimneys, drain
vents, and other service penetrations through the roof.
- Clean gutters, eaves troughs,
downspouts, and area drains.
- Check that drain screens are properly
- Remove any debris and summer storage
from the roof surface.
- Clearance prune tree limbs and other
foliage that may interfere with the roof system.
Windows, Doors & Walls
- Cover and fasten all seasonal furniture
or move it to indoor storage.
- Check membranes for damage and carry out
- Check planters for proper drainage.
residents regarding care and maintenance of traffic membranes under ice
and snow conditions and policies regarding hanging of Christmas lights,
- Check around doors and windows for gaps
and seal/caulk as required.
- Check for worn or missing
- Replace worn door stops.
- Adjust door closers for proper tension.
- Lubricate locks and hinges to ensure
proper operation during colder temperatures.
- Clearance prune shrubs and trees that
may interfere with walls and windows.
- Check wall cladding for any missing,
damaged or loose components. Repair as required.
- Replace sealed glazing units where the
thermal seals have failed.
Mechanical System - Heating and Ventilation
Plumbing & Drainage
- Service central heating equipment.
- Check requirements of heat pumps, air
handlers and other heating systems for freeze protection and
- Replace/clean filters on equipment, as
- Inspect flue pipes and seams for proper
support, any holes and cracks. Repair as required.
- Clean chimneys and flues as required.
- Vacuum vents and terminal/packaged
heating devices, as may be required.
- Clean laundry dryer vent runs and lint
- Clear any obstacles from heating vents
so air can flow freely.
- Test operation of HVAC controls and
instrumentation such as thermostats and humidistats.
- Check for any carbon monoxide leaks.
- Check that air intake vents are not
- Check that there is adequate clearance
around central heating equipment and terminal devices.
- Check operation of dampers on exterior
walls, such as those at rooftop mechanical rooms.
the location of all catch basins, trench drains and clean outs. Place
flags to help identify locations that may become concealed in heavy
- Check operation of sump pumps.
- Shut off outdoor hose bibs, as required.
- Drain garden hoses, roll them up and
- Check operation of heat trace cable on
exposed plumbing lines.
- Drain water fountains and unplug
circulation pumps, as required.
- Cycle important shut-off valves through
full operating range to test for proper closure and water isolation.
- Ensure that valve shut-off charts are
posted in a conspicuous location for emergency purposes.
- Check integrity of insulation on p-traps
in exposed parking garages.
6. Fire Safety System
- Check operation of any heat tracing
cables on fire sprinkler lines.
weatherproofing on any fire detection and fire alarm devices that are
mounted on exterior walls or may otherwise be exposed to changing
7. Electrical System
- Check operation of heat tracing cable
and deicing equipment on exposed piping.
- Check operation of any ramp heating
systems, as required.
- Check fuel level for emergency generator
and top-up as required.
- Check operation of engine block heater
on emergency generator.
- Check emergency generator cooling system
includes adequate antifreeze for local service conditions.
- Replace lamps in exterior light
fixtures, as required.
- Check for any exposed wiring and
electrical components and carry out necessary repairs.
- Turn off breakers for outdoor
receptacles and equipment that is not required during the winter.
- Check for any corrosion or other damage
on exterior conduits, junction boxes and panels.
- Check operation of all photocells and/or
timers to ensure proper lighting control for reduced daylight hours.
- Check for any leakage into the elevator
pit. Repair as required.
9. Sitework System
- Roadways, Walkways, Stairs
Landscaping, Retaining Walls
hard landscaping surfaces for damage (such as crack, potholes and
differential settlement) that may present a trip and fall hazard or
deteriorate the sub-grade. Carry out repairs as required.
- Check operation of snow clearing
equipment and/or ensure that arrangements are made for snow clearing
- Arrange for adequate stock on site of
snow clearing supplies, such as shovels and ice melt.
- Check that stair handrails and
guardrails are properly fastened.
- Check that stair tread markings are
legible and intact.
- Clear debris from trench drains, catch
basins, sumps, and other collection points.
- Demarcate drains for easy identification
during heavy snowfalls.
- Check that catch basin covers and trench
drain covers are properly fastened.
- Stake driveways to mark for snow plows
- Check operation of any ramp heating
- Prune tree limbs and foliage that may
interfere with roof drains, perimeter drains and lines of sight to
- Apply winter fertilizer to lawns and
winter landscape protection, as required (check with landscape
contractor for advice).
- Blow compressed air through irrigation
sprinkler lines to purge them of water.
Housekeeping & Miscellaneous
appropriate mats/runners at perimeter doorways to minimize transfer of
snow ice to interior floor surfaces and to protect against slip and
- Cover outdoor furniture or store it
- Reconfirm policies for Christmas light
installation and removal.
- Check that outdoor signage is legible
and will not be obstructed by snow accumulations or other winter
- Check with service contractors to
confirm their availability and support during the winter months.
- Prepare list of emergency contact
numbers and provide this to staff and stakeholders.
- Replenish stock of winter supplies, as
- Storage of summer furniture.
- Purchase of ice melt supplies and snow
Fig. Snow clearing.
Fig. Roof drain surrounded by snow
Seasonal maintenance program represented by system.
Fig. Roof covered with snow
Fig. Ice accumulation on rainwater leader.
Fig. Seasonal maintenance including winterizations and summerization activities.
Fig. Pipe burst from failure to winterize the pipe.