Loading...
(A) Grading, erosion control practices, sediment control practices, and waterway crossings shall be constructed in accordance with the design criteria set forth by the City of Yuma Construction Standards and the Erosion Control Drainage Design Manual for Maricopa County, Arizona, as amended, and shall be adequate to prevent transportation of sediment from the site as approved by the City Engineer or their designee. Cut and fill slopes shall be no greater than 4:1, except as approved by the City Engineer to meet other community or environmental objectives.
(B) Clearing, and grading of natural resources, such as natural desert and wetlands, shall not be permitted, except when in compliance with all other sections of this chapter. Clearing techniques that retain natural vegetation and drainage pattern as described in the City of Yuma Construction Standards and the Erosion Control Drainage Design Manual for Maricopa County, Arizona, as amended, shall be used and are subject to approval by the City Engineer or their designee.
(C) Clearing, except that necessary to establish sediment control devices, shall not begin until all sediment control devices have been installed and have been stabilized.
(D) Phasing shall be required on all sites disturbing greater than 40 acres, with the size of each phase to be established as a part of the plan review process and as approved by the City Engineer or their designee.
(E) Erosion control requirements shall include the following:
(1) Soil stabilization shall be completed within 14 days of clearing or inactivity in construction.
(2) If seeding or another vegetative erosion control method is used, such erosion control method shall become established within three weeks or the City shall require the site to be reseeded or a non-vegetative option employed.
(3) Special techniques that meet the design criteria outlined in the City of Yuma Construction Standards and the Erosion Control Drainage Design Manual for Maricopa County, Arizona, as amended, on steep slopes or in drainage ways shall be used to ensure stabilization.
(4) Soil stockpiles must be stabilized or covered at the end of each workday if a major storm is expected.
(5) The entire site must be stabilized, using a heavy mulch layer or another method that does not require germination to control erosion.
(6) Techniques shall be employed to prevent the blowing of dust or sediment from the site.
(7) Techniques that retard and divert upland runoff past disturbed slopes shall be employed.
(F) Sediment control requirements may include:
(1) Sediment basins, sediment traps, or tanks and perimeter controls.
(2) Sediment basins that are designed in a manner that allows adaptation to provide long-term stormwater management, if required by the City Engineer.
(3) Protection for the adjacent properties by the use of a vegetated buffer strip or perimeter controls.
(G) Waterway and watercourse protection requirements shall include:
(1) A temporary stream crossing installed and approved by the State or the City, if a wet watercourse will be crossed regularly during construction.
(2) Stabilization of the watercourse channel before, during and after any in-channel work.
(3) All on-site stormwater conveyance channels designed according to the criteria outlined in the Yuma City Code Title 19 Chapter 192.
(4) Stabilization adequate to prevent erosion located at the outlets of all pipes and paved channels.
(H) Construction site access requirements shall include:
(1) A temporary stabilized access road provided at all sites.
(2) Other measures as required by the City or Design Engineer in order to ensure that sediment is not tracked onto public streets by construction vehicles or washed into storm drains.
(Ord. O2006-38, passed 6-21-06; Ord. O2021-020, passed 8-4-21)
(A) The City shall make site inspections for SWPPP compliance for the City-owned projects that are subject to the AZPDES CGP and shall either approve the work or shall notify the applicant whether the SWPPP appears to be compliant with the State's requirements. The City shall also make site inspections for its own SWPPP for all public regulated projects within its jurisdiction as required by Chapter 156, § 156-04. For private projects, the City may monitor and advise the applicant of any apparent remarks for their SWPPP. Plans for grading, stripping, excavating, and filling work bearing the approval of the City shall be maintained at the site during the progress of the work. To obtain inspections, the permittee shall notify the City at least two working days before the day of inspection for:
(1) Start of construction.
(2) Completion of site clearing and rough grading.
(3) Completion of final grading.
(4) Completion of final landscaping.
(B) A permittee's qualified stormwater person shall make regular inspections of all control measures in accordance with the inspection schedule outlined on the approved SWPPP. The aim of such inspections will be to determine the overall effectiveness of the SWPPP and the need for additional control measures. All inspections shall be documented in written form and submitted to the City at the time interval specified in the approved permit.
(C) The City/Design Engineer or a designated agent shall enter the property of the permitee as deemed necessary to make regular inspections to ensure the validity of the reports filed under § 156-08.
(D) The permittee shall maintain at the site, during the progress of work and until the final stabilization is achieved, an approved copy of the SWPPP.
(Ord. O2006-38, passed 6-21-06; Ord. O2021-020, passed 8-4-21)
(A) Stop-work order; revocation of permit. In the event that any person holding any type of permit pursuant to this chapter violates the terms of the permit or implements site development in such a manner as to adversely affect the environment, health, welfare, or safety of persons residing or working in the neighborhood or development site, so as to be materially detrimental to the public welfare, environment, or injurious to property or improvements in the neighborhood, the City may suspend or revoke the building permit.
(B) Violation and penalties. It shall be unlawful for any person, firm or corporation to construct, enlarge, alter, repair or maintain any demolition, grading, excavation, or fill, or cause such actions, contrary to or in violation of any terms of this chapter. Any person, firm or corporation violating any of the provisions of this chapter shall be guilty of a class 1 misdemeanor, and upon conviction thereof shall be punished by a fine not to exceed $1,000 or by imprisonment for not more than ten days or both fine and imprisonment. Each separate day or part thereof, during which any violation of said sections shall be punishable as herein provided.
(Ord. O2004-72, passed 12-1-04; Ord. O2006-38, passed 6-21-06)
For all sites with a building or grading permit that are one acre or larger, except for routine maintenance, the owner and/or operator shall erect and maintain a project information sign that is readable by the public at the main entrance to the project site in accordance with the City of Yuma Construction Standard Detail Drawings.
(Ord. O20004-72, passed 12-1-04; Ord. O2006-38, passed 6-21-06; Ord. O2021-020, passed 8-4-21)
The following are exempt from the requirements of this chapter: normal farm agricultural practices under A.R.S. §§ 49-457 and 49-504.4, and open areas, vacant lots, unpaved parking lots, and unpaved roadways that are not located at sources that require any permit under these rules.
(Ord. O2004-72, passed 12-1-04; Ord. O2006-38, passed 6-21-06)