Colorado Grading, Drainage, and Erosion Control Plans
Many jurisdictions in Colorado require a grading, drainage, and erosion control plan for residential or commercial projects. XYZ Civil performs this civil engineering service across all of Colorado. These plans are used by the contractor to ensure that runoff drains away from buildings and that the site is constructed to reduce negative affects of stormwater runoff.
Information Included
- maximum hillside slopes
- retaining wall heights
- culvert sizing
- driveway slopes
- fire department regulations
- swales and berms
- site dimensions
- finished floor elevations
You Should Know
Douglas County requires a DESC Plan for projects disturbing under 1 acre. This includes new homes, barns, accessory buildings, and additions. Driveway slopes cannot exceed 10% and must have adequate fire truck turnaround space. Projects disturbing 1 acre or more require a GESC plan and a grading permit. All retaining walls over 4' in height require an engineered design.
Adams County requires a SWQ (Stormwater Quality) Permit for areas of disturbance 1 acre or larger.
Jefferson County requires an NOI (Notice of Intent) application for projects disturbing less than 0.5 acres. For projects disturbing 0.5 acres or more a Grading Permit is required. All retaining walls over 3' in height require an engineered design.
Denver requires a Sewer Use and Drainage Permit (SUDP). In addition to site drainage and grading, area utilities as well as zoning information are required. Concentrated runoff flows must be directed towards the street or alleyway.
What Makes Us Different
- 2-4 week turnaround
- costs between $2000-5000
- comments are revised at no cost
- 24x36" .pdf
- 1 site visit
- plan printing available
Interested in this service?
Many jurisdictions in Colorado require a grading, drainage, and erosion control plan for residential or commercial projects. XYZ Civil performs this civil engineering service across all of Colorado. These plans are used by the contractor to ensure that runoff drains away from buildings and that the site is constructed to reduce negative affects of stormwater runoff.
Information Included
- maximum hillside slopes
- retaining wall heights
- culvert sizing
- driveway slopes
- fire department regulations
- swales and berms
- site dimensions
- finished floor elevations
You Should Know
Douglas County requires a DESC Plan for projects disturbing under 1 acre. This includes new homes, barns, accessory buildings, and additions. Driveway slopes cannot exceed 10% and must have adequate fire truck turnaround space. Projects disturbing 1 acre or more require a GESC plan and a grading permit. All retaining walls over 4' in height require an engineered design.
Adams County requires a SWQ (Stormwater Quality) Permit for areas of disturbance 1 acre or larger.
Jefferson County requires an NOI (Notice of Intent) application for projects disturbing less than 0.5 acres. For projects disturbing 0.5 acres or more a Grading Permit is required. All retaining walls over 3' in height require an engineered design.
Denver requires a Sewer Use and Drainage Permit (SUDP). In addition to site drainage and grading, area utilities as well as zoning information are required. Concentrated runoff flows must be directed towards the street or alleyway.
What Makes Us Different
- 2-4 week turnaround
- costs between $2000-5000
- comments are revised at no cost
- 24x36" .pdf
- 1 site visit
- plan printing available