An ordinance of spring lake heights borough, county of monmouth, state of new jersey enacting chapter 22-530 "stormwater control"," to the borough of spring lake heights land use regulations




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НазваниеAn ordinance of spring lake heights borough, county of monmouth, state of new jersey enacting chapter 22-530 "stormwater control"," to the borough of spring lake heights land use regulations
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§22-530.9: Maintenance and Repair

  1. Applicability

1. Projects subject to review as in §22-530.9(C) shall comply with the requirements of §22-530.9(B) and (C).

  1. General Maintenance

  1. The design engineer shall prepare a maintenance plan for the stormwater management measures incorporated into the design of a major development.

  2. The maintenance plan shall contain specific preventative maintenance tasks and schedules; cost estimates, including estimated cost of sediment, debris, or trash removal; and the name, address, and telephone number of the person or persons responsible for preventative and corrective maintenance (including replacement). Maintenance guidelines for stormwater management measures are available in the New Jersey Stormwater Best Management Practices Manual. If the maintenance plan identifies a person other than the developer (for example, a public agency or homeowners' association) as having the responsibility for maintenance, the plan shall include documentation of such person's agreement to assume this responsibility, or of the developer's obligation to dedicate a stormwater management facility to such person under an applicable ordinance or regulation.

  3. Responsibility for maintenance shall not be assigned or transferred to the municipality in a residential development or project. Responsibility for facilities located in commercial or development sites shall be the owner of the site. A named individual shall be responsible for the safety and maintenance of said facility. The posting of a two-year maintenance guarantee in accordance with N.J.S.A. 40:55D-53 shall be required for all facilities not dedicated to the municipality or other public agency.

  4. If the person responsible for maintenance identified under §22-530.9 (B)(2) above is not a public agency, the maintenance plan and any future revisions based on §22­530.9 (B)(7) below shall be recorded upon the deed of record for each property on which the maintenance described in the maintenance plan must be undertaken.

  5. Preventative and corrective maintenance shall be performed to maintain the function of the stormwater management measure, including repairs or replacement to the structure; removal of sediment, debris, or trash; restoration of eroded areas; snow and ice removal; fence repair or replacement; restoration of vegetation; and repair or replacement of nonvegetated linings.

  6. The person responsible for maintenance identified under §22-530.9 (B)(2) above shall maintain a detailed log of all preventative and corrective maintenance for the structural stormwater management measures incorporated into the design of the development, including a record of all inspections and copies of all maintenance-related work orders.

  1. The person responsible for maintenance identified under §22-530.9(B)(2) above shall evaluate the effectiveness of the maintenance plan at least once per year and adjust the plan and the deed as needed, and submit such changes for approval by the Borough Engineer.

  1. The person responsible for maintenance identified under §22-530.9 (B)(2) above shall retain and make available, upon request by any public entity with administrative, health, environmental, or safety authority over the site, the maintenance plan and the

documentation required by §22-530.9 (B)(6) and §22-530.9 (B)(7) within 10 days of such a request.

  1. The requirements of §22-530.9 (B)(3) and (B)(4) do not apply to stormwater management facilities that are dedicated to and accepted by the municipality or another governmental agency.

  1. In the event that the stormwater management facility becomes a danger to public safety or public health, or if it is in need of maintenance or repair, the municipality shall so notify the responsible person in writing. Upon receipt of that notice, the responsible person shall have fourteen (14) days to effect maintenance and repair of the facility in a manner that is approved by the municipal engineer or his designee. The municipality, in its discretion, may extend the time allowed for effecting maintenance and repair for good cause. If the responsible person fails or refuses to perform such maintenance and repair, the municipality or County may immediately proceed to do so and shall bill the cost thereof to the responsible person.

B. Nothing in this section shall preclude the municipality in which the major development is located from requiring the posting of a performance or maintenance guarantee in accordance with N.J.S.A. 40:55D-53.

§22-530.10: Penalties

Any person who erects, constructs, alters, repairs, converts, maintains, or uses any building, structure, or land in violation of this article shall be subject to the penalties set forth by the Borough of Spring Lake Heights within §231-47.

§22-530.11: Effective Date

This ordinance shall take effect immediately upon the approval by the county review agency, or sixty (60) days from the receipt of the ordinance by the county review agency if the county review agency should fail to act.

§22-530.12: Severability

If the provisions of any section, subsection, paragraph, subdivision, or clause of this section shall be judged invalid by a court of competent jurisdiction, such order of judgment shall not affect or invalidate the remainder of any section, subsection, paragraph, subdivision, or clause of this section.

§22-530.13: Fees

All subdivision and site plan review fees associated with this section shall be provided by the applicant as established within Article VIII (Fees) of this Ordinance.

§22-530.14: Mitigation Plan

A. Standards.

  1. For the purposes of this Section, "Mitigation" shall incorporate the definition set forth in Section 2 of this Ordinance and shall include situations where the applicant has demonstrated the inability or impracticality of strict compliance with the stormwater management requirements set forth in NJAC 7:8 in addition to the requirements set forth in this ordinance.

  1. The Board having jurisdiction over an application requiring a stormwater management plan shall have the jurisdiction to grant a waiver from strict compliance with the performance requirements of this ordinance or the Stormwater Management Plan. The waiver may be granted where an applicant has demonstrated the inability or impracticality of strict compliance with the ordinance and/or the Stormwater Management Plan upon the following conditions. The applicant must demonstrate one of the following:

  1. An inability to apply any of the Best Management Practices and methodologies as defined and approved herein and in the Stormwater Management Plan, due to an extraordinary and exceptional situation uniquely affecting the subject property or structures thereon, resulting in a peculiar and exceptional practical difficulty or undue hardship; or

  2. That the purposes of this ordinance and stormwater management plan can be advanced by a deviation from the Best Management Practices and methodologies as defined and approved herein and in the Stormwater Management Plan, where the benefits of such deviation substantially outweigh any detriment.

  1. In requesting a waiver as to any application, the applicant may submit as reasons for the waiver the site conditions of the proposed project, including soils types; thin soil cover; low permeability soils, and/or shallow depths to groundwater (high groundwater levels), unique conditions which would create an unsafe design, or conditions which would provide a detrimental impact to public health, welfare, or safety.

  1. The waiver cannot be granted due to conditions created by the applicant. If the applicant can comply with the requirements of the Ordinance and Stormwater Management Plan through reducing the size of a project, the hardship is self imposed, and therefore the Board lacks jurisdiction to grant any waiver under this section.

  2. The applicant must propose a suitable mitigation method through the submission of a mitigation plan which will conform as closely as possible to the design and performance standards of this ordinance, through structural or non-structural stormwater management measures, governing stormwater quality, quantity, and ground water recharge. Approval of a waiver or exemption from any one of the three stormwater design standard criteria which include groundwater recharge, water quality, and water quantity provides no guarantee that, if requested, an exemption or waiver will be granted for either or both of the remaining criteria.

  3. Supporting evidence for an exemption or waiver shall be prepared in the form of a "stormwater management report" which will be signed and sealed by a New Jersey licensed professional engineer. The report shall include at a minimum:

  1. Detailed hydrologic and hydraulic calculations identifying the sizing criteria for each BMP and the stormwater collection system based upon the anticipated peak flow and/or volume.

  1. A map of the planned project showing existing conditions with drainage boundaries and land features, including delineated wetlands, proposed improvements, including all BMPs, grading, utilities, impervious features, and landscaping.

  1. Construction details for each BMP with appropriate contact information.

B. Mitigation Criteria.

The mitigation requirements listed below offer a hierarchy of options that are intended to offset the effect on groundwater recharge, stormwater quantity control, and/or stormwater quality control to an equal or greater extent than was created by the granting of a waiver or exemption from the stormwater management requirements. The mitigation criteria are listed below in order of preference:

  1. Identify, design, and implement a compensating measure to mitigate impacts-The preferred option is to identify and develop a compensating mitigation project in the same drainage area as the proposed development. In these cases, the applicant will address the same issue within the design and performance standards for which the variance or exemption is being sought, and demonstrate that the proposed mitigating measures provide equal or greater compensation to offset the non­complying aspect of the stormwater management system on site. The developer must also ensure the long-term maintenance of the project as outlined in Chapters 8 and 9 of the NJDEP Stormwater BMP Manual. If the Borough agrees to control a new stormwater management facility, arrangement in the form of an escrow account will be made to stipulate the payment amount, schedule, and long term responsibilities of the facility to ensure that it functions to capacity.

  2. Complete a project identified by the Borough of Spring Lake Heights as equivalent to the environmental impact created by the exemption or variance- If a suitable site cannot be located in the same drainage area as the proposed development, as discussed in Option 1, the mitigation project may provide measures that are not directly equivalent to the impacts for which the variance or exemption is being sought, but that addresses the same issue to an equal or greater extent. For example if a variance is given because the 80% TSS requirement has not been met, the selected project may address water quality impacts that increase the siltation of a waterbody within the applicable ITUC 14 subwatershed.

If these criteria cannot be met on-site, Spring Lake Heights may consider granting a waiver from their adopted stormwater management design and performance if an applicant is able to identify and propose to complete a

mitigation project that will improve water quality, water quantity, or groundwater recharge to an equal or greater extent than which the applicant is seeking a waiver for. As such, an appropriate mitigation measure may take place within the larger confines of the HUC-14 subwatershed area, or another portion of the Borough, rather than the contributing area within which the proposed project is located, if the Spring Lake Heights Planning Board fmds that the mitigation will equally protect public health, safety and welfare, the environment, and public and private property.

3. Provide funding for municipal projects that would address existing stormwater impacts- The third and least preferable stormwater mitigation option is for the applicant to provide funding or partial funding for an environmental enhancement project that has been identified in this Municipal Stormwater Management Plan, or towards the development of a Regional Stormwater Management Plan. The contributed funds must be equal or greater than the cost to implement the required on-site stormwater measure for which relief is requested including the cost of land, easements, engineering design, and long-term maintenance. However, with this option Spring Lake Heights Borough, not the applicant is ultimately responsible for the design, property acquisition, construction, construction management, maintenance (short-term and long-term) and follow-up study, unless that project and its prospective costs have been outlined within this Mitigation Plan.

An applicant may also propose a mitigation project on a site that has not been identified in this mitigation plan. However, in each circumstance the selection of a mitigation project must incorporate the following requirements:

  1. The project must be within the same area that would contribute to the receptor impacted by that project. If there is no specific sensitive receptor impacted, then the location of the mitigation project may be located anywhere within the municipality, preferably at a location that would provide the greatest benefit.

  2. Legal authorization must be obtained to construct the project at the location selected. This includes the maintenance and any access needs for the project through throughout its operation.

a. Impact from noncompliance- The applicant must provide a table to show the required values, and the values provided in the project, and

  1. The mitigation project should be located close to the original development project. If possible, the mitigation project should be located at a similar distance from the identified sensitive receptor. This distance should not be based on actual location, but on a similar hydraulic distance to the sensitive receptor. For example, if a project for which a waiver is obtained discharges to a tributary, but the closest location discharges to the main branch of a waterway, it may be more beneficial to identify a location discharging to the same tributary.

  1. It is preferable to have one location that addresses any and all of the performance standards waived, rather than one location for each performance standard.

  2. The project location must demonstrate no adverse impacts to other properties.

  3. For projects addressing the groundwater recharge performance standard, a mitigation project site upstream of the location of the actual project site is preferable to a downstream location.

  4. Mitigation projects that address stormwater runoff quantity can choose to provide storage for proposed increases in runoff volume, as opposed to a direct peak flow reduction.

  1. Mitigation projects that address stormwater runoff quality can choose to address another pollutant other than TSS, which has been demonstrated to be of particular concern, such as streams that have been listed as an impaired waterbody for other pollutants. However, care must be taken to ensure that waivers that are granted for the TSS requirements do not result in the impairment of an existing unimpaired area.

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