Many winter problems on a commercial property are not caused by the storm. They are caused when nobody decides, in advance, what happens first, where the snow goes, and who gets the call at 3am. Those decisions are contained within the winter site plan, and it is one of the most useful documents a Twin Cities property manager can put together before the first real snowfall.
It does not need to be long. An executive summary per property, agreed upon with your snow contractor in October, prevents most of the arguments that happen mid-season. Here is what belongs on it.
1. A marked site map
Start with an aerial image of the property and mark it up. This is the piece most sites skip, and it is the piece a plow operator who has never been to your property at 2am actually needs.
Mark the following:
- Drive lanes and the direction traffic flows
- Building entrances, walkways and stairs
- Accessible parking stalls and access aisles
- Fire lanes and hydrants
- Loading docks and service doors
- Approved snow storage areas
- Catch basins and known low spots
- Anything a blade can damage: curb stops, bollards, irrigation heads, landscape beds, sign bases, utility pedestals
That last line is worth real attention. Most spring repair bills on commercial sites trace back to something buried under snow that nobody marked.
2. Priority zones, in order
Every property has a sequence, whether or not anyone has written it down. Writing it down is what makes it happen the same way every storm.
A typical commercial order of operations looks like this:
- Main entrance walks and the entry apron
- Accessible stalls and access aisles
- Primary drive lane and the main entry off the street
- Customer or tenant parking areas
- Loading docks and service areas
- Secondary entrances and walkways
- Overflow parking and perimeter cleanup
Adjust it to how the property is actually used. A medical building that opens at 6am and a retail center that opens at 10am should not have the same sequence, and an industrial site with a 5am shift change should not be treated like an office park.
3. Service triggers everyone agrees on
A trigger is the amount of accumulation that starts service without anyone needing to call. One inch is a common default for commercial lots in the Twin Cities, with walks and entries often serviced at a lower threshold because foot traffic compacts snow quickly.
What matters is less the exact number and more that the number is written down, that walks and lots are allowed to have different triggers, and that both sides know what happens during a long, slow event where accumulation creeps up over twelve hours. Ask directly how a storm like that is handled, because it is the scenario that produces many mid-winter disagreements. Our guide to commercial snow plowing contracts goes deeper on structuring this.
4. Snow storage decided before the first push
Snow has to go somewhere, and where it goes decides where water runs for the next several months.
Good snow storage on a commercial property is:
- Downhill or downstream of the main drive lanes, so melt does not run across traffic areas
- Away from building entrances and walkways
- Off accessible stalls, fire lanes and hydrants
- Clear of sight lines at exits onto the street
- Not directly on top of catch basins
- Off landscape beds, shrubs and irrigation heads wherever possible
Also decide now, not in February, at what point piles get relocated or hauled off site. On a tight lot with a heavy season, parking stalls start disappearing by mid-winter, and the conversation goes better when the threshold was agreed upon in October.
5. The problem areas, named
Most properties have two or three spots that ice up every single winter. The shaded corner by the north entry. The dip at the end of the lot. The walk under the downspout.
Name them on the plan so they get checked on every visit rather than being rediscovered after a complaint. Then separate them into two lists: what gets managed this winter with treatment, and what gets fixed in the warm months. Recurring ice in the same location is usually a drainage or grade problem, and a catch basin or drainage repair ends it permanently where treatment only manages it.
6. Communication: names, numbers and timing
Write down who calls whom, and when.
- Your single point of contact at the contractor during an event, and the number that is answered overnight
- Your own after-hours contact, and who covers when that person is away
- Who may authorize extra work, such as hauling or an unscheduled ice visit
- What you receive after each event, and when it arrives
- How tenants report a problem, and who it reaches
Service documentation is the part that pays off quietly all season. Timestamped records of what was done and when answer tenant questions and ownership questions without anyone reconstructing the week from memory.
7. Pre-season walkthrough with the contractor on site
The plan becomes real when both parties walk the property together before the first snowfall. Thirty minutes in October is worth more than three phone calls in January.
On the walk, confirm the map matches the ground, place snow stakes at curb lines and islands, mark hazards that disappear under snow, check that catch basins are clear of leaves and debris, confirm the storage areas work from the operator's point of view, and look at the entries together in person.
If the property is one of several you manage, the same walkthrough should produce the same document at each site, so your winter is not run differently at every address. That consistency across sites is covered in our guide to vetting a snow removal vendor for a multi-site portfolio.
8. A plan for the melt, not only the snowfall
Late February through April is often the most underestimated stretch of a Twin Cities winter. Piles melt across lots all afternoon and refreeze overnight, so sites that were fine in January start producing ice complaints in March.
Decide in advance how refreeze events are handled, where afternoon meltwater crosses walks, and when piles should be moved so they stop feeding water onto traffic areas. Add a spring item to the plan while you are at it: a walk to record curb, turf, irrigation and concrete damage while the cause is still obvious.
What to hand your contractor
When the plan is finished, send one package rather than a series of emails through the season. It should contain the marked site map, the priority order, the agreed triggers, the snow storage areas, the named problem areas, and the contact list with after-hours numbers on it.
Ask for two things back. First, confirmation that the operator assigned to your property has seen the map, since the person who sells the contract is rarely the person in the machine at 3am. Second, agreement on what you receive after each event and how quickly, so documentation is a habit from the first storm instead of something requested in March.
Keep the plan where someone else can find it. If you are out of the office during a storm, whoever covers for you should be able to open one page and know the sequence, the storage areas and who to call.
The short version
A winter site plan is a marked map, a priority order, agreed triggers, decided snow storage, named problem areas, real contact information and one pre-season walk. Seven items, one page, settled before the weather makes the decisions for you.
TCOS manages commercial snow and ice across the Twin Cities metro and builds a site plan with every property we serve. You can see the full scope of winter service on our commercial snow and ice services page.
Talk to TCOS about your property
Ready to plan the season? Contact TCOS, email [email protected] or call 763-235-2400.



