DIVISION 5

SEC.

7-041.00 General Standards

    In all areas of special flood hazards the following provisions are required:

    All new construction and substantial improvements shall be designed (or modified) and adequately anchored to prevent flotation, collapse or lateral movement of the structure resulting from hydrodynamic and hydrostatic loads, including the effects of buoyancy;

    All new construction or substantial improvements shall be constructed by methods and practices that minimize flood damage;

    All new construction or substantial improvements shall be constructed with electrical, heating, ventilation, plumbing, and air conditioning equipment and other service facilities that are designed and/or located so as to prevent water from entering or accumulating within the components during conditions of flooding.

    All new construction or substantial improvements shall be constructed with electrical, heating, ventilation, plumbing, and air conditioning equipment and other service facilities that are designed and/or located so as to prevent water from entering or accumulating within the components during conditions of flooding.

    All new and replacement water supply systems shall be designed to minimize or eliminate infiltration of flood waters into the system;

    New and replacement sanitary sewage systems shall be designed to minimize or eliminate infiltration of flood waters into the system and discharge from the systems into flood waters; and,

    On-site waste disposal systems shall be located to avoid impairment to them or contamination from them during flooding. (Ord. No. 610, adopted 12/19/74; Ord. No. 611, adopted 01/16/75; Ord. No. 791, adopted 02/16/78; Ord. 87-770, adopted 02/19/87; Ord. No. 89-1053, adopted 03/16/89)

SEC.

7-042.00 Specific Standards

    a.    Require that all manufactured homes to be placed within Zone A shall be installed using methods and practices which minimize flood damage. For the purpose of this requirement, manufactured homes must be elevated and anchored to resist flotation, collapse or lateral movement. Methods of anchoring may include, but are not limited to, use of over-the-top or frame ties to ground anchors. This requirement is in addition to applicable State and local an choring requirements for resisting wind forces.

    b.    All manufactured homes shall be in compliance with Division 5, Section 7-042.00(1).

    c.    Require that all manufactured homes to be placed or substantially improved within Zones A1- 30, AH and AE on the community's FIRM be elevated on a permanent foundation such that the lowest floor of the manufactured home is at or above the base flood elevation; and be securely anchored to an adequately anchored foundation system in accordance with the provision of

Section 7-042.00(4) of this Division. (Ord. No. 610, adopted 12/19/74; Ord. No. 611, adopted 01/16/75; Ord. No. 791, adopted 02/16/78; Ord. No. 87-770, adopted 02/19/87; Ord. No. 89- 1053, adopted 03/16/89)

    (5) Construction Sites - Storm Water Runoff

a. A permit shall be required for the clearing, grubbing, grading, displacement or removal of dirt (hereafter referred to as “dirt work”) for any properties not specifically exempted as per Paragraph (c) of this Section. This permit shall be in the form of an approval of the “Culvert Data Sheet”, the “Permit Data Review Sheet”, a general work order or land clearing permit presently required for construction activity to occur. The ordinance shall be administered by Department of Engineering or any other parish personnel that should be necessary.

b. A detailed description of dirt work, boundaries of the areas to be disturbed and the proposed sediment retention measures must accompany the building permit or development proposal and be reviewed by the Department of Engineering before approval of the Culvert Data Sheet or the Permit Data Tracking Sheet or the issuance of a general work order.

c. Exemptions

        A.     Agricultural land management practices and construction of agricultural structures as defined in the St. Tammany Parish Land Use Ordinance No. 523;

        2.     Mining, quarrying, processing of rock, sand, gravel, aggregate or clay where established and provided for by law;

        3.     Activities undertaken on forest land in the production and harvesting of timber when approved via an agricultural clearing, timber harvesting or rural clearing permit in accordance with St. Tammany Parish Land Use Ordinance No. 523;

        4.     Single family residences, and related accessory structures or uses, when the disturbed area comprises of less than 50% of the lot or parcel and is located at least 10 feet from all property lines.

d.     Requirements

    1.     The owner, builder or developer of a construction project shall cause the placement of a required sediment control measure for all side slope and down slope boundaries of a construction area, unless a sedimentation basin designed to accommodate 3600 cubic feet of water and sediment for each acre of disturbed property is provided .

    2.    The owner, builder or developer will further cause the placement of said sediment control measure around all drainage structure inlets which flow into a public drainage system, or a drainage system which is intended to be dedicated to the public.

e.    Sediment Retention Measures

g. Provision of sediment retention measures on site does not release the builder/developer from responsibilities as outlined in Section 40-071.01of Appendix B (Subdivision Regulations) of the St. Tammany Parish Code of Ordinances should the retention measures fail to prevent sediment runoff. The Director of the Department of Engineering may release the builder/developer from the provisions of this Section if it is determined that the failure of sediment control measures is not attributable to faulty installation or maintenance of the required retention measures.

h.     Enforcement

    Violations will be processed by the appropriate Code Enforcement, Department of Engineering or Permit Inspections personnel using standard code violation protocol.
(Subsection 5 per Ord. 99-3156, adopted 10/21/99)

SEC.

7-043.00 Standards For Subdivision Proposals

7-044.00 Standards For Areas Of Shallow Flooding (AO/AH Zones)

A registered professional engineer or architect shall submit a certificate of elevation, documented on the Federal Emergency Management Agency Form 81-31 or subsequent agency form, to the Floodplain Administrator that the standards of this Section and as per Article 4, Section c.(1)a. (St. Tammany Parish Code of Ordinances Chapter 7, Division 4, Section 7-023.02(1)a.), has been satis factorily met. (amended by Ord. No. 92-1597, adopted 05/21/92)

SEC.

7-045.00 Coastal High-Hazard Areas

    Located within the areas of special flood hazard established in Division 3, Section 7-022.00, are areas designated as Coastal High Hazard Areas (Zones V1-30, VE and/or V). These areas have special flood hazards associated with high velocity waters from tidal surges and hurricane wave wash; therefore, in addition to meeting all provisions outlined in this Ordinance, the following provisions must also apply:

        (1)    Obtain the elevation (in relation to mean sea level) of the bottom of the lowest structural member of the lowest floor (excluding pilings and columns) of all new substantially improved structures, and whether or not such structures contain a basement. The Floodplain Administrator shall maintain a record of all such information.

        (2)    All new construction shall be located landward of the reach of mean high tide.

        (3)    All new construction and substantial improvements shall be elevated on pilings and columns so that:

            (i)    the bottom of the lowest horizontal structural member of the lowest floor (excluding the pilings or columns) is elevated to or above the base flood level;

            (ii)    the pile or column foundation and structure attached thereto is anchored to resist flotation, collapse and lateral movement due to the effects of wind and water loads acting simultaneously on all building components. Wind and water loading values shall each have a one (1%) percent chance of being equaled or exceeded in any given year (100-year mean recurrence interval);

            (iii)    a registered professional engineer or architect shall develop or review the structural design, specification and plans for the construction and shall certify that the design and methods of construction to be used are in accordance with accepted standards of practice for meeting the provisions of this paragraph (3)(i), (ii) and (iii) of this Section.

        (4)    Provide that all new construction and substantial improvements have the space below the lowest floor either free of obstruction or constructed with non-supporting breakaway walls, open wood lattice work, or insect screening intended to collapse under wind and

water loads without causing collapse, displacement or other structural damage to the elevated portion of the building or supporting foundation system.

    For the purpose of this Section, a breakaway wall shall have a design safe loading resistance of not less than ten (10 lbs.) and nor more than twenty (20 lbs.) pounds per square foot. Use of breakaway walls which exceed a design safe loading resistance of twenty (20 lbs.) pounds per square foot (either by design or when so required by local or State codes) may be permitted only if a registered professional engineer or architect certifies that the designs proposed meet the following conditions:

            (i)    breakaway wall collapse shall result from a water load less than that which would occur during the base flood; and

            (ii)    the elevated portion of the building and supporting foundation system shall not be subject to collapse, displacement or other structural damage due to the effects of wind and water loads acting simultaneously on all building components (structural and nonstructural). Maximum wind and water loading values to be used in this determination shall each have one (1%) percent chance of being equaled or exceeded in any given year (100-year mean recurrence interval).

        (5)    If breakaway walls are utilized, such enclosed space shall be usable solely for parking of vehicles, building access or storage. Such space shall not be used for human habitation.

        (6)    Prohibit the use of fill for structural support of buildings.

        (7)    Prohibit man-made alteration of sand dunes and mangrove stands which would increase potential flood damage.

        (8)    Any alteration, repair, reconstruction or improvements to a structure started after the enactment of this Ordinance shall not enclose the space below the lowest floor unless breakaway walls are used as provided for in Division 5.

        (9)    Prior to construction, plans for any structure that will have breakaway walls must be submitted to the Floodplain Administrator for approval. (Ord. 87-770, adopted 02/19/87; Ord. No. 89-1053, adopted 03/16/89)

SEC. 7-046.00 - 7-048.99 Reserved

SEC.

7-049.00 Penalties For Violation

    Violation of the provisions of this Ordinance or failure to comply with any of its requirements shall constitute a misdemeanor and upon conviction thereof, the violator(s) shall be fined not less than One Hundred ($100.00) Dollars not more than Three Hundred ($300.00) Dollars or imprisoned for not more than thirty (30) days, or both, and in addition thereto shall pay all costs and expenses involved in the case; however, the maximum of aggregated fines are not to exceed One Thousand ($1,000.00) Dollars. Each day such violation continues shall be considered as a separate offense all in accordance with Section 1-008.00 of the Code of Ordinances of St. Tammany Parish, Louisiana.

    The owner or tenant of any building, structure, premises, or part thereof, any architect, builder, contractor, agent or other person who commits, participates in, assists in or maintains such violation may each be found guilty of a separate offense and suffer the penalties herein provided.

    Nothing herein contained shall prevent the Parish from taking such other lawful actions as is necessary to prevent or remedy any violation. (Ord. No. 89-1053, adopted 03/16/89)

SECS. 7-049.02 - 7-049.99 Reserved

                 SEC.

7-050.00 Drainage and Paving Plan (Commercial, Industrial and Institutional Developments)

Cross Reference: Appendix D Parish Building Code