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An approved stormwater management permit shall be obtained prior to the initiation of any construction activities. In order to obtain a stormwater management permit, the applicant shall be the entity responsible for accomplishing the construction activity for which the stormwater management permit was issued. In granting a stormwater management permit, the City of Carmel may impose such terms and conditions as are reasonably necessary to meet the purpose of this Article. The entity shall insure compliance with such terms and conditions. Non-compliance with the terms and conditions of permits will be subject to enforcement as described in § 6-205. The entity shall inform all general contractors, construction management firms, grading or excavating contractors, utility contractors, and the contractors that have primary oversight on individual building lots of the terms and conditions of the stormwater management permit and the schedule for proposed implementation.
(a) The project site owner shall submit an application for a stormwater management permit to the City of Carmel. The application will include a stormwater management permit application form, construction plan sheets, stormwater drainage technical report, a stormwater pollution prevention plan, the applicable fees, and any other necessary support information, unless submitting to the Technical Advisory Committee, in which case, the owner shall insure the required documents are included in the Technical Advisory Committee packet. Specific information to be included in the application shall be prepared as stated in the Stormwater Technical Standards Manual Chapter 100. All plans, reports, calculations, and narratives shall be prepared in accordance with the City of Carmel Stormwater Technical Standards Manual and signed and sealed by a professional engineer, registered by the State of Indiana.
(b) (1) The City of Carmel will review each application for a stormwater management permit to determine its conformance with the provisions of this Article. The City of Carmel will take one of the following actions:
a. Approve the SWPPP for active construction sites and for post-construction and provide a Technical Review and Comment Form stating the "Plan is Adequate".
b. Approve the SWPPP for active construction sites and for post-construction subject to such reasonable conditions as may be necessary to secure substantially the objectives of this Article, and issue the Technical Review and Comment Form stating the "Plan is Adequate" with said conditions outlined.
c. Provide a Technical Review and Comment Form stating the "Plan is Deficient" and indicating the reason(s) and procedure for submitting a revised application and/or submission.
(2) Any changes or deviations in the detailed plans and specifications after approval of the applicable stormwater management permit shall be filed with, and accepted by, the City of Carmel prior to the commencement of construction activity involving the change. Applicable fees, with respect to the review of all drainage submittals, preliminary plans, final plans, construction plans and accompanying information and data, as well as any applicable pre-paid inspection fees, are due in accordance with the City of Carmel Department of Engineering fee ordinance before any permit is issued. The City of Carmel shall have the right to not accept the drainage improvements or to not accept the advancement of any project for which the applicable fees have not been paid.
(c) After receiving a Technical Review and Comment Form stating the "Plan is Adequate", the project site owner must notify the City of Carmel and IDEM 48 hours before beginning construction. Notification shall be in the form of an IDEM NOI form along with proof of publication of public notice. The publication must include the following:
(1) "(Company name, address) is submitting an NOI letter to notify the City of Carmel and the Indiana Department of Environmental Management of our intent to comply with the requirements of the City of Carmel Stormwater Management Ordinance, as well as the requirements of 327 IAC 15-5 and 327 IAC 15-13, to discharge stormwater from construction activities for the following project: (name of the construction project, address of the location of the construction project, and Parcel Identification Number). Run-off from the project site will discharge to (stream(s) receiving the discharge(s))."
(2) Once a permit has been issued and the updated NOI submitted to the City of Carmel and IDEM 48 hours before beginning construction, construction may commence. A stop work order per § 6-205 shall be issued by the City of Carmel for all projects that are proceeding without such notification.
(d) Once construction starts, the project owner shall monitor construction activities and inspect all stormwater pollution prevention measures to ensure compliance with the City of Carmel's applicable ordinances and the terms and conditions of the approved permit, in accordance with this section. Lack of maintenance of stormwater pollution prevention measures during construction or failure to implement the approved SWPPP by the approved schedule of implementation shall constitute a violation of this Article, subject to enforcement under the provisions of this Article.
(e) Upon completion of construction activities, as-built plans must be submitted to the City of Carmel.
(f) The entity must submit a notice of termination (NOT) letter to the City of Carmel once the construction site has been stabilized and all temporary erosion and sediment control measures have been removed. The City of Carmel shall inspect the construction site and verify the requirements for an NOT have been met. Once the applicant receives a "verified" copy of the NOT, they must forward a copy to IDEM.
(Ord. D-1794-06, 2-6-06)
For individual lots disturbing less than one acre, developed within a larger permitted project, a formal review and issuance of an individual lot plot plan permit will be required before a building permit can be issued. The individual lot owner must complete a residential lot plot plan permit application, in accordance with the Stormwater Technical Standards Manual. In submitting the individual lot plot plan for plan review, applicable fees are due in accordance with the City of Carmel Department of Engineering fee ordinance. These fees are due before approval for a plan can be issued. The individual lot owner is responsible for installation and maintenance of all erosion and sediment control measures until the site is stabilized. In instances where an NOT has been issued to the developer and there are multiple lots being developed and a violation of this Article occurs that cannot be attributed to an individual lot owner, then all lot owners with active construction shall, collectively, be found in violation.
(Ord. D-1794-06, 2-6-06)
As a condition of approval and issuance of the permit, the City of Carmel shall require the applicant to provide financial performance and maintenance guarantees in accordance with Section 5.07 of the City of Carmel Subdivision Control Ordinance. Said assurance will guarantee a good faith execution of the stormwater drainage plan, the SWPPP, the stormwater quality management plan, and any permit conditions. Notice of the scheduled date for completion of construction shall be provided to the City of Carmel at least 72 hours prior to its planned completion. The owner will schedule the final inspection, the storm drain and site grading. Performance sureties will be released in accordance with Section 5.07.03 of the Subdivision Control Ordinance.
(Ord. D-1794-06, 2-6-06)
(a) A self-monitoring program shall be implemented for all permitted land disturbing activities. A trained individual shall perform a written evaluation of the project site by the end of the next business day following each measurable storm event. If there are no measurable storm events within a given week, the site should be monitored at least once in that week.
(b) The evaluation shall document the maintenance efforts of existing best management practices to ensure proper function in accordance with this Article; and identify additional measures necessary to remain in compliance with all applicable statutes and rules.
(c) Written evaluation reports include the following:
(1) The name of the individual performing the evaluation;
(2) The date of the evaluation;
(3) Problems identified at the project site; and
(4) Details of corrective actions recommended and completed
(d) All evaluation reports for the project site shall be made available to the City of Carmel within 48 hours of a request.
(e) The City of Carmel will perform inspections at their discretion to evaluate the installation, implementation, and maintenance of control measures and management practices at any project site involved in construction activities and provide necessary recommendations for conformance with the provisions of this Article and the stormwater management permit. Access to the construction project site shall be provided in accordance with § 6-193. If inspections are required outside the set inspection schedule (City of Carmel Department of Engineering fee ordinance) than an additional re-inspection fee will be charged (City of Carmel Department of Engineering fee ordinance).
(f) A pre-construction meeting is required to be held with the participation of the City of Carmel and other entities involved prior to any grading activity to ensure that appropriate erosion control measures have been implemented on the site and the location of any existing tiles have been properly marked.
(g) If after a recommendation is provided to the entity, corrective action is not taken; the City of Carmel will pursue enforcement in accordance with this Article.
(Ord. D-1794-06, 2-6-06)
(a) The City of Carmel has established a minimum standard that the measurement of the effectiveness of the control of stormwater quality will be based on the management of total suspended solids (TSS). The project site owner must submit to the City of Carmel, a post-construction SWPPP that would show placement of appropriate BMP(s) from a pre-approved list of BMPs specified in the City of Carmel Stormwater Technical Standards Manual and would demonstrate that the expected TSS loadings in runoff associated with one inch of rainfall will be reduced by a minimum of 80% at the outfall(s) exiting the site. The noted BMPs must be designed, constructed, and maintained according to guidelines provided or referenced in the City of Carmel Stormwater Technical Standards Manual. Practices other than those specified in the pre-approved list may be utilized. However, the burden of proof, as to whether the performance (minimum 80% TSS removal) and ease of maintenance of such practices will be according to guidelines provided in the City of Carmel Stormwater Technical Standards Manual, would be placed with the applicant. Details regarding the procedures and criteria for consideration of acceptance of such BMPs are provided in the City of Carmel Stormwater Technical Standards Manual.
(b) The following activities are exempt from the requirements of this section:
(1) Agricultural land-disturbing activities; or
(2) Timber harvesting activities; or
(3) Construction activities associated with a single-family residential dwelling disturbing less than five acres, when the dwelling is not part of a larger common plan of development or sale; or
(4) A single-family residential strip development where the developer offers for sale or lease without land improvements and the project is not part of a larger common plan of development of sale; or
(5) Individual building lots within a larger permitted project.
(Ord. D-1794-06, 2-6-06)
(a) BMPs shall be maintained in a condition that their effectiveness in treating runoff is not diminished, in accordance with the operation and maintenance procedures and schedules listed in the Indiana Stormwater Quality Manual or the City of Carmel Stormwater Technical Standards Manual, and the terms and conditions of an approved stormwater management permit, and shall not be subsequently altered, revised, or replaced, except in accordance with the provisions of an approved stormwater management permit (as amended or revised) or as approved by the City of Carmel. The BMP owner is considered in violation of this Article if the BMP is not maintained properly.
(b) Following the issuance of an NOT or the installation of an acceptable BMP, inspection and maintenance of the BMP(s) shall be the long-term responsibility of the HOA or entity as specified in restrictive covenants. The HOA or entity is required to inspect the referenced BMP(s) at least once per year. The inspections shall follow the operation and maintenance procedures included in the City of Carmel Stormwater Technical Standards Manual and/or the stormwater management permit for each specific BMP. The inspection shall cover physical conditions, available water quality storage capacity, and the operational condition of key facility elements. The HOA or entity is required to submit a yearly inspection report form (City of Carmel Stormwater Technical Standards Manual) demonstrating proof of inspection, with the first report to be required one year after the HOA or entity gains ownership of the BMP(s), and subsequent reports due each year within the month of the original transfer of ownership. Noted deficiencies and corrective actions taken should be included in the report.
(c) The City of Carmel has the authority to perform long-term inspection of all public or privately owned BMPs. Such inspections will be in addition to that required to be performed by the HOA or the entity on a regular basis. The HOA or entity is in violation of this Article if an inspection report is not submitted to the City of Carmel within one month of the date due, if the HOA or entity fails to correct noted deficiencies within the allowed time period, or if the City of Carmel identifies a violation that was stated as not existing in the submitted inspection report.
(Ord. D-1794-06, 2-6-06)
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