0.62 = conversion factor (acre inches to gallons)

SLA = total Special Landscape Area (square feet)

(c)

Design plans.

(1)

Landscape design plan. The landscape design plan shall be completed by, and bear the signature of, a licensed landscape architect, licensed landscape contractor, or any other person authorized to design a landscape. For the efficient use of water, a landscape shall be carefully designed and planned for the intended function of the project. The landscape design plan shall meet all applicable criteria set forth in subsection 9-2.4206(a) and shall:

(i)

Include general notes, planting notes, plant layout based on size at maturity, species, and symbol legend.

(ii)

Delineate and label each hydrozone by number, letter, or other method.

(iii)

Identify each hydrozone as very low, low, moderate, high water, or mixed water use. Temporarily irrigated areas of the landscape shall be included in the low water use hydrozone for the water budget calculation, as defined by WUCOLS.

(iv)

Identify special landscape areas.

(v)

Identify areas permanently and solely dedicated to edible plants.

(vi)

Identify irrigated areas with recycled water or graywater.

(vii)

Identify type of mulch and application depth.

(viii)

Identify soil amendments, type, and quantity.

(ix)

Identify type and surface area of water features.

(x)

Identify hardscapes.

(xi)

Identify any applicable rain harvesting or catchment technologies as discussed in subsection 9-2.4206(f) and their twenty-four (24) hour retention or infiltration capacity.

(xii)

Identify any graywater discharge piping, system components and area(s) of distribution.

(xiii)

Contain the following statement: "I have complied with the criteria of the Plumas County Water Efficient Landscape Ordinance and applied them for the efficient use of water in the landscape design plan."

(xiv)

Include a plant legend, in tabular form, demonstrating the following:

(aa)

Plant type (e.g., tree, shrub, ground covers, vine, perennials, grasses).

(ab)

Common name and botanical name.

(ac)

Quantity.

(ad)

Container size.

(ae)

Remarks.

(2)

Irrigation design plan. The irrigation design plan shall be completed by, and bear the signature of, a licensed landscape architect, certified irrigation designer, licensed landscape contractor, or any other person authorized to design an irrigation plan. The irrigation design plan shall meet all applicable criteria set forth in subsection 9-2.4206(b) and shall contain:

(i)

General notes, irrigation notes, hydrozone notes (zone number, water use, landscape area, etc.), irrigation layout, species, device type, and irrigation legend.

(ii)

Hydrozone areas shall be designated by number, letter, or other designation on the irrigation design plan.

(iii)

Include on the irrigation design plan, designated areas irrigated by each valve, and assign a number to each valve. Use this number in the water efficient landscape worksheet.

(iv)

The irrigation design plan, at a minimum, shall contain:

(aa)

Location and size of separate water meters for landscape.

(ab)

Location, type, and size of all components of the irrigation system, including controllers, main and lateral lines, valves, sprinkler heads, moisture sensing devices, rain switches, quick couplers, pressure regulators,

and backflow prevention devices.

(ac)

Static water pressure at the point of connection to the main water supply.

(ad)

Volume flow rate (gallons per minute), application rate (inches per hour), and design operating pressure (pressure per square inch) for each station.

(ae)

Recycled water irrigation systems as specified in subsection 9-2.4206(d), if applicable.

(af)

The following statement: "I have complied with the criteria of the Plumas County Water Efficient Landscape Ordinance and applied them accordingly for the efficient use of water in the irrigation design plan."

(3)

Grading design plan.

(i)

If the landscape project area will be graded, the grading design plan shall be completed by, and bear the signature of, a landscape architect, civil engineer, or architect licensed by the State of California and shall be submitted as part of the landscape documentation package. Grading shall meet all applicable County grading requirements. A grading plan prepared by a civil engineer for other local agency permits satisfies this requirement. The grading design plan shall meet all applicable criteria set forth in subsection 9- 2.4206(c) and shall contain:

(aa)

A landscape grading plan that indicates finished configurations and elevations of the landscape area including:

(a)

Height of graded slopes.

(b)

Drainage patterns.

(c)

Pad elevations.

(d)

Finished grade.

(e)

Stormwater retention improvements, if applicable.

(ab)

The grading design plan shall contain the following statement: "I have complied with the criteria of the Plumas County Water Efficient Landscape Ordinance and applied them accordingly for the efficient use of water in the grading design plan."

(d)

Soil management report.

(1)

A soil management report shall be completed by the project applicant, or his/her designee, as follows:

(i)

An analysis completed by a properly certified or accredited laboratory using accepted industry protocol.

(ii)

The analysis shall be of the soil for the proposed landscape areas of the project that includes information about:

(aa)

Soil texture.

(ab)

Soil infiltration rate determined by laboratory test or soil texture infiltration rate table.

(ac)

pH.

(ad)

Total soluble salts.

(ae)

Sodium.

(af)

Percent organic matter.

(ag)

Recommendations on soil amendments.

(iii)

The project applicant, or his/her designee, shall comply with one of the following:

(aa)

If significant mass grading is not planned, the soil analysis report shall be submitted as part of the landscape documentation package; or

(ab)

If significant mass grading is planned, the soil analysis report shall be submitted to the local agency as part of the certificate of completion.

(iv)

In projects with multiple landscape installations a soil sampling rate of one in seven (7) lots or approximately fifteen (15%) percent will satisfy this requirement.

(e)

Prescriptive compliance option. Utilization of the prescriptive compliance option requires compliance with the following standards and shall be documented on a landscape design plan:

(1)

Submit a landscape documentation package which includes all of the requirements listed in subsections 9- 2.4205(a)(1)(i)—(a)(1)(i)(vi), (a)(1)(i)(viii), and (a)(1)(i)(ix) and adheres to the design elements listed in subsection 9-2.4206(g).

(2)

At the time of final inspection, the permit applicant must provide the owner of the property with a certificate of completion, certificate of installation, irrigation schedule, and a schedule of landscape and irrigation maintenance.

(f)

Certificate of completion.

(1)

The certificate of completion (see Appendix C of Chapter 2.7, Division 2, Title 23 of the California Code of Regulations for a sample Certificate of Completion) shall include the following six (6) elements:

(i)

Project information sheet that contains:

(aa)

Date.

(ab)

Project name.

(ac)

Project applicant name, telephone, and mailing address.

(ad)

Project address and location.

(ae)

Property owner name, telephone, and mailing address.

(ii)

Certification by either the signer of the landscape design plan, irrigation design plan, or the licensed landscape contractor that the landscape project has been installed per the approved landscape documentation package:

(aa)

Where there have been significant changes made in the field during construction, these "as-built" or record drawings shall be included with the certification;

(ab)

A diagram of the irrigation plan showing hydrozones shall be kept with the irrigation controller for subsequent management purposes.

(iii)

An irrigation schedule that complies with Section 9-2.4207 that describes the irrigation times and irrigation parameters for the project.

(iv)

Landscape and irrigation maintenance schedule (see Section 9-2.4208).

(v)

Irrigation audit report (see Section 9-2.4209).

(vi)

Soil management report, if not submitted with landscape documentation package, and documentation verifying implementation of soil report recommendations (see subsection 9-2.4205(d)).

(2)

The project applicant shall:

(i)

Submit the signed certificate of completion to the Plumas County Planning Department for review.

(ii)

Ensure that copies of the approved certificate of completion are submitted to the property owner or his or her designee.

(3)

Upon receiving the certificate of completion, the Plumas County Planning Department shall approve or deny the certificate of completion. If the certificate of completion is denied, the Planning Department shall provide information to the project applicant regarding reapplication, appeal, or other assistance.

(§ 1(Exh. A), Ord. 2019-1124, adopted November 5, 2019)