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Grading Process Checklist

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Final Grading and Landscaping

As the homeowner, it is your responsibility to:

  • request a copy of the signed lot grade certificate/deposit refund form from your builder. (Once you have confirmation that your lot grading has been certified, you can proceed with your finished landscaping. The City does not have to provide any inspections before you complete this work.)
  • complete the final grading and placement of topsoil and sod (check the contract between you and your builder to confirm who is responsible for this part of the work).
  • maintain the lot grades established by the Lot Grade Plan.

If you have any questions regarding the substantial grading of your property, either contact your builder (unless you were the building permit applicant) or the surveyor who provided the lot grade certification.

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Lot Grade Certification

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The rough grading must be certified by a qualified surveyor (either a professional engineer or Manitoba Land Surveyor). The building permit applicant (who is generally the builder) is responsible to hire the surveyor and make arrangements for lot grade certification.

To ensure that the lot meets the requirements of the Lot Grade Permit and the Lot Grading By-law, the surveyor will:

  • measure the lot grade elevation of the structure and all related lot grade elevations including elevations at all lot corners, high points or changes in slope, swales and retaining walls (if applicable) and any other elevations on the permit.
  • inspect the placement of all sump pump hoses and downspout extensions.

“Surveyor” means a person who has received a commission to practice as a surveyor of lands and is registered under the Manitoba Land Surveyors Act or a person who is a Professional Engineer licensed to practice in the Province of Manitoba.

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Rough grading

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After you, your builder, or other professional have obtained a lot grade permit, the rough grading (also called substantial grading), must be completed within 12 months.

Rough grading includes:

  • backfilling around the foundation and “perching” of the backfill material to ensure that there is positive slope away from the foundation (exclusive of topsoil and sod),
  • grading of any swales,
  • construction of any retaining walls,
  • and grading the lot to conform to the design of the approved Lot Grade Plan.

Rough grading is typically about 100 mm (4 inches) below finished grade in order to allow for placement of topsoil and sod, or any other decorative landscaping material.

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The Importance of Lot Grading Service for Your Property

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When it comes to owning a property, lot grading is an essential aspect that you cannot afford to overlook. Lot grading involves manipulating the soil around a building or home to ensure that surface water is directed away from the structure. KS – Grading Inc. offers lot grading services that can help prevent water damage and other issues that can arise from poor drainage. In this blog post, we will discuss the various services offered by KS – Grading Inc. and why they are crucial for your property.

Perching Around Foundation

One of the main services offered by KS – Grading Inc. is perching around the foundation. This involves grading and landscaping the property to achieve a perching of soil around the perimeter of a structure to allow water to drain away. Perching around the foundation is essential because it prevents water from seeping into the foundation, which can lead to damage and even structural issues.

Lot Line Grading

KS – Grading Inc. also offers lot line grading, which involves grading each lot to allow surface water to drain along the lot line without ponding. This is important because ponding water can create a breeding ground for mosquitoes and other insects, which can be a health hazard for you and your family.

Roof Downspouts and Downspout Extensions

Another service offered by KS – Grading Inc. is placing roof downspouts and downspout extensions to allow water to drain away from the structure. Without proper drainage, water can seep into the foundation, causing damage and structural issues.

Sump Pump Hose

KS – Grading Inc. can also place the sump pump hose so that the water from the sump pump discharge drains away from the structure. Sump pumps are an essential part of any property, but they can be ineffective if the water is not properly drained away from the structure.

Wastewater Sewer Connection

When constructing a new house, KS – Grading Inc. establishes lot grade elevations to ensure that the private sewer service pipe from the structure meets the requirements of our Sewer By-Law. This is important because it ensures that the wastewater is properly drained away from the structure.

Driveway and Garages

Finally, KS – Grading Inc. constructs the driveway and garage (attached or detached) so that they will not block the surface water from the side or rear of the lot, or adjacent lots. This is crucial because blocked surface water can lead to ponding and other issues that can damage your property.

In conclusion, lot grading services are essential for any property owner who wants to protect their investment. KS – Grading Inc. offers a variety of services that can help prevent water damage and other issues that can arise from poor drainage. Contact us today to schedule a consultation and learn more about how we can help you protect your property.

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New Development Land Clearing

Whether you need lot leveling and grading services for a residential or commercial project, KS – Grading Inc. is the company to trust. Contact us today to learn more about our services and how we can help you achieve your project goals.

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Residential Lot Grading |  Lot Grading By-Law | Link Share

It is important to grade your lot so that water flows away from your house but does not affect neighbouring properties.

Winnipeg City | Waterandwaste / Drainageflooding

As the property owner, you are responsible for your lot grading. You and your builder should read the City of Winnipeg Lot Grading By-Law before:

Winnipeg City | Waterandwaste / Drainageflooding
  • deciding on the grading for a new house, or
  • making changes to existing grading.
Surface drainage problems

Improper lot grading can cause poor surface drainage. Runoff from heavy rain or melting snow can result in:

  • standing water,
  • flooding,
  • foundation settlement or damage, or
  • basement dampness.

Direct surface drainage away from your foundation and especially from window wells.

Winnipeg City | Waterandwaste / Drainageflooding

For Latest Info on Lot Grading by City By-Laws Please check: https://legacy.winnipeg.ca/waterandwaste/drainageflooding/lotGrading/default.stm


Winnipeg City. (n.d.). Residential lot grading. Retrieved from https://legacy.winnipeg.ca/waterandwaste/drainageflooding/lotGrading/default.stm