Seattle grading extension 2026

1. Click ‘Get Form’ to open the seattle grading extension in the editor.
2. Begin by filling in the 'Site Information' section. Enter the site address, SDCI permit number, and date of application for the grading season extension.
3. In the 'Type of Environmentally Critical Area' section, check all applicable boxes that describe your site conditions.
4. Proceed to 'Applicant Information.' Fill in details for the contractor, including name, license number, address, phone numbers, and email.
5. Complete the 'Application' section by detailing your request. Clearly explain the length of extension needed and any safety measures you plan to implement.
6. Attach a detailed site plan showing proposed grading activities and erosion control measures as required.
7. Provide a schedule outlining specific dates for excavation and stormwater collection activities.
8. Include a statement from your geotechnical engineer confirming their review and approval of your plans.
9. Finally, ensure all parties (contractor, geotechnical engineer, owner) sign and date their agreements to comply with conditions outlined in the extension letter.

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