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Timestamp: 2019-04-21 00:47:50+00:00

Document:
16.22.150 Applicable laws and regulations.
The purpose of this chapter is to eliminate and prevent conditions of accelerated erosion that have led to, or could lead to, degradation of water quality, loss of fish habitat, damage to property, loss of topsoil and vegetation cover, disruption of water supply, and increased danger from flooding, and to implement Local Coastal Program land use policies. [Ord. 3337 § 1, 1982; Ord. 2982, 1980].
This chapter requires control of all existing and potential conditions of accelerated (human-induced) erosion; sets forth required provisions for project planning, preparation of erosion control plans, runoff control, land clearing, and winter operations; and establishes procedures for administering those provisions. This chapter shall apply to both private and public activities including those of the County and other such governmental agencies as are not exempted by State or Federal law. [Ord. 4166 § 2, 1991; Ord. 4027 § 4, 1989; Ord. 3600 § 1, 1984; Ord. 3337 § 1, 1982; Ord. 2982, 1980].
Any revision to this chapter which applies to the Coastal Zone shall be reviewed by the Executive Director of the California Coastal Commission to determine whether it constitutes an amendment to the Local Coastal Program. When a chapter revision constitutes an amendment to the Local Coastal Program such revision shall be processed pursuant to the hearing and notification provisions of Chapter 13.03 SCCC and shall be subject to approval by the California Coastal Commission. [Ord. 3337 § 1, 1982].
“Accelerated erosion” means erosion caused by a human-induced alteration of the vegetation, land surface, topography, or runoff pattern. Evidence of accelerated erosion is often indicated by exposed soils, gullies, rills, sediment deposits, or slope failures caused by human activities.
“Access envelope” means an area delineated on the site plan to which all clearing and land disturbance for construction of access must be confined.
“Agricultural grading” means grading on land designated for exclusive agricultural use as specified under SCCC 16.50.040.
“Approved erosion control specialist” means a person who has met certain minimum qualifications established by the Planning Director which demonstrate his/her capability to prepare small-scale erosion control plans.
“Building envelope” means an area delineated on the development plans to which all clearing and land disturbance for construction must be confined.
“Development permit” means a permit issued by the County for new land use activities including but not limited to: building, grading, land clearing, subdivisions, minor land divisions, and residential, commercial, industrial and agricultural development.
“Drainage course” means a natural or manmade channel which conveys runoff either year-round or intermittently.
“Earth material” means rock, natural soil, or combination thereof.
“Erosion” means the wearing away of the ground surface as a result of the movement of wind or water.
“Erosion hazard” means the susceptibility of a site to erode, based on condition of slope, rock type, soil, and other site factors. High erosion hazard areas include areas of high and very high erosion hazard shown on maps prepared by the Planning Department. Hazard may be determined based on a site-specific investigation.
“Grading” means excavating, filling, leveling, or smoothing, or combination thereof.
“Land clearing” means the removal of vegetation down to duff or bare soil, by any method.
“Land clearing approval” means an approval granted by the Planning Director which authorizes the permittee to carry out land clearing.
“Land disturbance” means clearing, excavating, grading, or other manipulation of the terrain.
“Major grading” means grading in excess of 100 cubic yards.
“Major development proposals” means new commercial, industrial, or professional developments; or new residential developments of more than four units.
“Minor development proposals” means building permits, grading permits for less than 2,000 cubic yards, subdivisions of four or less lots, and any other project not identified as a major development proposal in SCCC 16.22.060(D).
“Minor grading” means grading less than 100 cubic yards.
“New road or driveway” means any newly constructed road or driveway or any improvement to an existing road bed which requires more than 100 cubic yards grading in any 500-foot segment in order to meet the design standards in SCCC 16.20.180. Any road or bridge constructed pursuant to a timber harvest permit issued by the State of California shall be considered a new road for the purposes of subsequent development and shall be subject to all current design standards and applicable policies.
“Onsite detention” means temporary storage of runoff on the site.
“Onsite retention” means permanent holding of runoff on the site through percolation to the ground.
“Owner” means the person or persons shown in the County Recorder’s Office as owner of the property.
“Permittee” means any person undertaking development activities upon a site pursuant to a permit granted by the County.
“Person” means any person, firm, association, corporation, organization, partnership, business, trust company, public agency, school district, the State of California and its political subdivisions or instrumentalities.
“Planning Director” means the Director of the Planning Department or his authorized designee charged with the administration and enforcement of this chapter. The Public Works Director or authorized designee may administer the provisions of the chapter for subdivisions.
“Responsible person” means any person who creates a condition which may lead to accelerated erosion. If a specific person cannot be identified, the owner of the land where such condition exists shall be considered the responsible person.
“Road” or “roadway” means an open way for vehicular traffic.
“Runoff” means the movement of water over the ground surface.
“Sediment” means eroded earth material that is carried by runoff and/or deposited in a stream, drainage course, or other area.
“Sensitive habitat” includes areas defined as sensitive habitats in General Plan and Local Coastal Program Land Use Plan Section 5.1, specifically 5.1.2 and 5.1.3.
“Site” means a parcel of land or contiguous parcels where land alterations, including grading, clearing, or construction, are performed or proposed.
“Soil” means the unconsolidated mineral and organic material on the immediate surface of the earth.
(3) Has a well-defined channel, free of soil and debris.
“Ten-year storm” means a storm of an intensity that would be exceeded on the average only once every 10 years. The intensity for the site shall be determined according to the County Public Works Design Criteria Manual. The duration of the storm used in runoff calculation shall be equivalent to the concentration time for the area which drains through the project. [Ord. 4496-C §§ 84, 85, 1998; Ord. 4426 § 4, 1996; Ord. 4346 § 68, 1994; Ord. 4131 § 1, 1991; Ord. 3439 § 1, 1983; Ord. 3337 § 1, 1982; Ord. 2982, 1980].
No person shall cause or allow the continued existence of a condition on any site that is causing or is likely to cause accelerated erosion as determined by the Planning Director. Such a condition shall be controlled and/or prevented by the responsible person and the property owner by using appropriate measures outlined in subsequent sections of this chapter. Additional measures shall be applied if necessary by the responsible person and the property owner. Specific additional measures may be required by the Planning Director. Property owners will be given a reasonable amount of time, as determined by the Planning Director, to control existing problems depending on the severity of the problem, and the extent of necessary control measures. Where feasible, erosion problems shall be controlled no later than the beginning of the next rainy season (October 15th). [Ord. 3337 § 1, 1982; Ord. 2982, 1980].
(A) Structures on slopes that would normally require major grading shall utilize pole, step, or other foundations that do not require major grading.
(2) Require cuts and fills greater than 10 feet in height for distances greater than 50 feet or 10 percent of the new roadway length, whichever is greater.
(C) For any project, access roads and driveways should not cross slopes greater than 30 percent and cuts and fills should not exceed 10 feet. Variances to this rule can be granted if a route across steep slopes will result in less environmental damage than all alternative routes, or if no other alternative exists.
(D) Building and access envelopes or nonbuildable areas may be required to be delineated on the development plans so as to keep disturbance out of particularly erodible areas. Envelopes shall be required in areas of high erosion hazard.
(E) Streams or drainage courses shall not be obstructed or disturbed except for approved road crossings, unless disturbance of a drainage course will improve overall site design and be consistent with the purpose of this chapter.
(F) If the project is for creation of or access to a building site, land disturbance shall not take place until a building permit has been issued. If a permit cannot be issued until a determination of adequate water source and sewage disposal or other required site investigation is made, land disturbance shall be limited to the extent necessary to allow such an investigation. This provision shall not apply to road construction or other grading activities which are specifically required as a condition of a minor land division or other permit.
(G) Erosion control measures specified in, or pursuant to, this chapter, shall be in place and maintained at all times between October 15th and April 15th. [Ord. 3600 § 2, 1984; Ord. 3337 § 1, 1982; Ord. 2982, 1980].
(A) Prior to issuance of a building permit, development permit or land division, an erosion control plan indicating proposed methods for the control of runoff, erosion, and sediment movement shall be submitted and approved. Erosion control plans may also be required by the Planning Director for other types of applications where erosion can reasonably be expected to occur. The erosion control plan may be incorporated into other required plans, provided it is identified as such. Erosion control plans shall include, as a minimum, the measures required under SCCC 16.22.070, 16.22.080, 16.22.090, and 16.22.100. Additional measures or modification of proposed measures may be required by the Planning Director prior to project approval. No grading or clearing may take place on the site prior to approval of an erosion control plan for that activity. Final certification of project completion may be delayed pending proper installation of measures identified in the approved erosion control plan.
(1) General location of the proposed site.
(2) Property lines and contours of the site including finish contours to be achieved by grading, details of terrain, and area drainage; proposed construction, proposed drainage channels, and other runoff control measures.
(3) Measures for runoff control and erosion control to be constructed with, or as a part of, the proposed work. All measures required under this chapter shall be shown. Function of erosion control measures shall be consistent with the provisions of this chapter.
(4) Delineation of areas to be cleared during development activities.
(5) Revegetation proposal for all surfaces exposed or expected to be exposed during development activities, including cut and fill slopes.
(6) Name and address of the owner(s).
(7) Assessor’s parcel number(s) of the property on which the work is to be done.
(8) North arrow, scale, and name and location of nearest public road intersection.
(9) Name, address, and phone number of person who prepared the plan.
(C) For minor development proposals, the erosion control plan is not required to be prepared by a registered professional (as listed in subsection (D) of this section).
(1) Subdivisions of more than four lots.
(2) Grading in excess of 2,000 cubic yards.
(3) Commercial or industrial development permits for new structures; or residential development permit for more than four units.
(4) Other projects of a similar nature determined by the Planning Director to cause major land disturbance.
(1) Change of use permits where there would be no expansion of land disturbing activities.
(2) Construction within an existing structure. [Ord. 4496-C § 86, 1998; Ord. 3439 § 1, 1982; Ord. 3337 § 1, 1982; Ord. 2982, 1980].
(A) On soils having high permeability (more than two inches/hour), all runoff in excess of predevelopment levels shall be retained on the site. This may be accomplished through the use of infiltration basins, percolation pits or trenches, or other suitable means. This requirement may be waived where the Planning Director determines that high groundwater, slope stability problems, etc., would inhibit or be aggravated by onsite retention, or where retention will provide no benefits for groundwater recharge or erosion control.
(B) On projects where onsite percolation is not feasible, all runoff should be detained or dispersed over nonerodible vegetated surfaces so that the runoff rate does not exceed the predevelopment level. Onsite detention may be required by the Planning Director where excessive runoff would contribute to downstream erosion or flooding. Any policies and regulations for any drainage zones where the project is located will also apply.
(C) Any concentrated runoff which cannot be effectively dispersed without causing erosion shall be carried in nonerodible channels or conduits to the nearest drainage course designated for such purpose by the Planning Director or to on-site percolation devices. Where water will be discharged to natural ground or channels, appropriate energy dissipators shall be installed to prevent erosion at the point of discharge.
(D) Runoff from disturbed areas shall be detained or filtered by berms, vegetated filter strips, catch basins, or other means as necessary to prevent the escape of sediment from the disturbed area.
(E) No earth or organic material shall be deposited or placed where it may be directly carried into a stream, marsh, slough, lagoon, or body of standing water. [Ord. 4281 § 12, 1993; Ord. 3439 § 1, 1983; Ord. 3337 § 1, 1982; Ord. 2982, 1980].
(1) Any amount of clearing in a sensitive habitat, as defined in this chapter.
(2) One-quarter acre or more of clearing in the Coastal Zone if also in a least-disturbed watershed, a water supply watershed, or an area of high erosion hazard.
(3) One acre or more of clearing in all areas not included in subsections (A)(1) and (2) of this section.
(B) When a land development permit has been issued, land clearing may be done according to the approved development plan.
(1) For land clearing in the Coastal Zone which will be more than that shown on the approved erosion-control plan, a new land-clearing approval is required if the land is located in a least-disturbed watershed, a water supply watershed, or an area of high erosion hazard.
(2) For land clearing in any area which will include more than one acre in excess of that shown on the approved plan, a new land-clearing approval is required.
(3) Mulching, fertilizing, watering or other methods may be required to establish new vegetation. On slopes less than 20 percent, topsoil shall be stockpiled and reapplied.
The protection required by this section shall be installed prior to calling for final approval of the project and at all times between October 15th and April 15th. Such protection shall be maintained for at least one winter until permanent protection is established.
(D) No land clearing shall take place prior to approval of the erosion control plan. Vegetation removal between October 15th and April 15th shall not precede subsequent grading or construction activities by more than 15 days. During this period, erosion and sediment control measures shall be in place.
(E) Land clearing of more than one-quarter acre that is not a part of a permitted activity shall not take place on slopes greater than 30 percent. [Ord. 4496-C § 87, 1998; Ord. 3439 § 1, 1983; Ord. 3337 § 1, 1982; Ord. 2982, 1980].
(A) No land clearing operations greater than one acre per year per site or grading operations greater than 100 cubic yards may take place between October 15th and April 15th, unless authorized by the Planning Director and found to be consistent with the purposes of this chapter. When construction will be delayed due to the limitation on winter operations, the date for expiration of the permit shall be extended by that amount of time that work is delayed by this chapter.
(1) Between October 15th and April 15th, disturbed surfaces not involved in the immediate operations shall be protected by mulching and/or other effective means of soil protection as required by the Planning Director.
(2) All roads and driveways shall have drainage facilities sufficient to prevent erosion on or adjacent to the roadway or on downhill properties. Erosion-proof surfacing may be required by the Planning Director in areas of high erosion hazard.
(3) Runoff from a site shall be detained or filtered by berms, vegetated filter strips, and/or catch basins to prevent the escape of sediment from the site. These drainage controls shall be maintained by the permittee and/or property owner as necessary to achieve their purpose throughout the life of the project.
(4) Erosion control measures shall be in place at the end of each day’s work.
(5) The Planning Director shall stop operations during periods of inclement weather if he determines that erosion problems are not being controlled adequately. [Ord. 3337 § 1, 1982; Ord. 2982, 1980].
It shall be the responsibility of the owner and the permittee to ensure that erosion does not occur from any activity during or after project construction. Additional measures, beyond those specified, may be required by the Planning Director as deemed necessary to control accelerated erosion. [Ord. 3337 § 1, 1982; Ord. 2982, 1980].
(E) Resource Management. Clearing, fuel management, reforestation, erosion control, or other resource management programs carried out under the auspices of a government agency which include appropriate erosion control measures. Agencies shall notify the Planning Director of such projects. [Ord. 3337 § 1, 1982; Ord. 2982, 1980].
(A) A request for a variance from the provisions of this chapter, the permit conditions, or the plan specifications may be considered according to Chapter 18.10 SCCC at the level specified in SCCC 16.22.060(B).
(1) That there are special circumstances or conditions affecting the property.
(2) That the variance is necessary for the proper design and/or function of a reasonable project for the property.
(3) That adequate measures will be taken to ensure consistency with the purpose of this chapter.
(C) As contemplated in this section, a variance shall be granted for alternative methods of construction for projects which could be constructed under the basic standards established in this chapter, but which, if a variance is granted, can be better and/or more economically designed and constructed than if a variance were not given. A variance shall not be granted if the part of a variance would have the effect of allowing the construction of a project which would otherwise without the variance not be possible under the provisions of the County Code. [Ord. 3600 § 3, 1984; Ord. 3337 § 1, 1982; Ord. 2982, 1980].
Fees for checking, inspection, violations, variance requests, and for land-clearing permits shall be set by resolution of the Board of Supervisors. [Ord. 3337 § 1, 1982; Ord. 2982, 1980].
The Planning Director shall conduct inspections to ensure compliance with this chapter.
(1) Pre-Site Inspection. To determine the potential for erosion resulting from the proposed project.
(2) Operation Progress Inspections. To determine ongoing compliance.
(3) Final Inspection. To determine compliance with approved plans and specifications.
(B) Notification. The permittee shall notify the Planning Director at least 24 hours prior to start of the authorized work, and also nine business hours prior to any inspection requested by the permittee or permittee’s authorized agent. [Ord. 4392A § 6, 1996; Ord. 3337 § 1, 1982; Ord. 2982, 1980].
Any person doing work in conformance with this chapter must also abide by all other applicable local, State, and Federal laws and regulations. Where there is a conflict with other pre-existing County regulations, this chapter shall take priority. [Ord. 3337 § 1, 1982; Ord. 2982, 1980].
(A) It shall be unlawful for any person to refuse or fail to correct any condition causing or likely to cause accelerated erosion as required by a notice of violation issued under the provisions of subsection (C) of this section.
(B) It shall be unlawful for any person to do, cause, permit, aid, abet, suffer or furnish equipment or labor for any land clearing as defined in SCCC 16.22.030 unless either a development permit has been obtained and is in effect which authorizes such land clearing; or the land clearing is exempt from the requirement for a permit under the provisions of SCCC 16.22.080(A).
(C) It shall be unlawful for any person to exercise a development permit which authorizes land clearing without complying with all of the conditions of such permit.
(D) It shall be unlawful for any person to knowingly do, cause, permit, abet or furnish equipment or labor for any work in violation of a stop work notice from and after the date it is posted on the site until the stop work notice is authorized to be removed by the Planning Director. [Ord. 3451-A § 12, 1983; Ord. 3439 § 1, 1983; Ord. 3337 § 1, 1982; Ord. 2982, 1980].
Repealed by Ord. 4392A. [Ord. 3451-A § 13, 1983].
Repealed by Ord. 4392A. [Ord. 3451-A § 14, 1983].
Repealed by Ord. 4392A. [Ord. 3451-A § 15, 1983].
16.22.164 Nuisance abatement of violation.
Repealed by Ord. 4392A. [Ord. 3451-A § 16, 1983].
16.22.165 Recording notice of violation.
Repealed by Ord. 4392A. [Ord. 3451-A § 17, 1983].
Repealed by Ord. 4392A. [Ord. 3337 § 1, 1982].
Repealed by Ords. 4392A. [Ord. 3337 § 1, 1982].
All appeals of actions taken pursuant to the provisions of this chapter shall be made in conformance to the procedures of Chapter 18.10 SCCC. [Ord. 3439 § 1, 1983; Ord. 3337 § 1, 1982; Ord. 2982, 1980].

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