The type, duration and location of a proposed impact will determine the amount of information needed to support an application for a Facility Impact Permit. Use categories and submittal requirements are described as follows:
A. Tier 1 — Temporary impact with minimal disturbance of District Facilities. This use is temporary with minimal disturbance, including temporary ingress/egress to another parcel using existing roads, access for purposes of survey, non-invasive cultural or biological surveys or scientific research projects, land stewardship activities such as removal of invasive species by hand or chemical methods, installing native plants by hand or hand placement of rock structures to mitigate erosion, or other similar uses. The submittal requirements for a Tier 1 impact include:
1. Project description. The application shall include the name and contact number of the proposed user, the scope of use, site plan, and a timeframe or schedule of the proposed activities.
2. Insurance. As required, pursuant to 21.02.090.
3. Permit Fees. There is no fee for a Tier 1 Facility Impact Permit.
4. Where special circumstances necessitate more detailed information, the applicant shall furnish any other information deemed necessary for review of public safety and floodplain management requirements, as determined by the Chief Engineer.
B. Tier 2 — Long-term or permanent impact with minimal disturbance of District Facilities. Examples of this type of use would include permanent ingress/egress to another parcel, large-scale ecosystem restoration, removal of invasive species using heavy equipment, or other similar uses. The submittal requirements for a Tier 2 impact include:
1. Project description. The application shall include the name and contact number of the proposed user, the scope of use, a site plan and timeframe or schedule of proposed activities.
2. Mitigation. The application shall include a plan for restoring any areas temporarily impacted to pre-disturbance conditions, as necessary.
3. Insurance. As required, pursuant to 21.02.090.
4. Permit Fees. There is no fee for a Tier 2 Facility Impact Permit; however applicant shall pay for all costs associated with establishment of a license agreement or permanent easement.
5. Where special circumstances necessitate more detailed information, the applicant shall furnish any other information deemed necessary for review of public safety and floodplain management requirements, as determined by the Chief Engineer.
C. Tier 3 — Limited disturbance of District Facilities. Examples of this type of impact include utility line or private storm drain construction that impact unimproved minor watercourses (less than 2,000 cfs), or the temporary stockpiling of material on District Lands. The submittal requirements for a Tier 3 impact include:
1. Project description. The application shall include the name and contact number of the proposed user, the scope of use, and a site plan. The following additional information is required for utilities and storm drains:
a. A complete set of construction drawings that show construction in compliance with District standards and specifications. Initial concept plans may be submitted to the District to avoid major revisions to final construction drawings.
b. A discussion regarding alternatives that avoid impacting District Lands,
c. A description of the methods used to minimize the impact, if not avoidable.
d. An assessment of the need for permits required pursuant to Section 402 or 404 of the Clean Water Act and Section 408 of the Rivers and Harbors Act. Provide a copy of these documents and a Stormwater Pollution Prevention Plan, if applicable.
e. The plan for mitigation of any disturbance, if required.
2. Mitigation. The application shall include a plan for restoring any areas temporarily impacted to pre-disturbance conditions, as necessary.
3. Insurance. As required, pursuant to 21.02.090.
4. Permit Fees. The fee shall be determined pursuant to 21.02.120 which covers the cost of application review, permit issuance, and inspections. Additional costs associated with establishment of a license agreement or permanent easement, if necessary, may also be required.
5. Posting of Bond — A bond shall be posted pursuant to 21.02.100.
6. Where special circumstances necessitate more detailed information, the applicant shall furnish any other information deemed necessary for review of public safety and floodplain management requirements, as determined by the Chief Engineer.
D. Tier 4 — Disturbance of a District Facility. Examples of this type of impact include any impact to a District Facility associated with a major watercourse with base flood peak discharges greater than 2,000 cfs, any impact to a District Structure, including planting or paving, the construction or modification of any District Structures, or significant disturbance of District Lands. The submittal requirements for a Tier 4 impact include:
1. Project description. The application shall include the name and contact number of the proposed user, the scope of use, and a site plan. The following additional information is required:
a. A complete set of construction drawings that show construction in compliance with District standards and specifications,
b. A discussion regarding alternatives that avoid impacting the District Facility,
c. A description of the methods used to minimize the impact, if not avoidable.
d. An assessment of the need for permits required pursuant to Section 402 or 404 of the Clean Water Act and Section 408 of the Rivers and Harbors Act. Provide a copy of these documents and a Stormwater Pollution Prevention Plan, if applicable.
e. The plan for mitigation of any disturbance, if required.
2. Mitigation. The application shall include a plan for restoring any areas temporarily impacted to pre-disturbance conditions, as necessary.
3. Insurance. As required, pursuant to 21.02.090.
4. Permit Fees. The fee shall be determined pursuant to 21.02.120 which covers the cost of application review, permit issuance, and inspections. Additional costs associated with establishment of a license agreement or permanent easement, if necessary, may also be required.
5. Posting of Bond — A bond shall be posted pursuant to 21.02.100.
6. Where special circumstances necessitate more detailed information, the applicant shall furnish any other information deemed necessary for review of public safety and floodplain management requirements, as determined by the Chief Engineer.
(Ord. 2018-FC1 § 1 (part), 2018)