Once a project has been completed, the City of Centennial and Arapahoe County will require that a revision (“LOMR”) to the FIRM be submitted to FEMA to reflect the project.Ĭritical Facilities is a structure or related infrastructure, but not the land on which it is situated, that if flooded may result in significant hazards to public health and safety or interrupt essential services and operations for the community at any time before, during and after a flood.ĭevelopment means any manmade change to improved or unimproved real estate, including, but not limited to, buildings or other structures, dredging, filling, grading, paving, excavation, drilling operations, or storage of equipment or materials, channel improvements, channel rehabilitation, channel stability projects, flood control projects and stormwater detention facilities located within the floodplain.Įncroachment means an addition to or change to the physical condition of a specified type of flood hazard area that results in the blockage, diversion or displacement of floodwaters.įEMA means the Federal Emergency Management Agency, the agency responsible for administering the National Flood Insurance Program (NFIP), or successor agency. FHAD (Flood Hazard Area Delineation)a flood study often prepared on a watershed basis by the Urban Drainage and Flood Control District. FHADs are adopted by the State and affected communities similar to LOMCs.FHADs are eventually submitted to FEMA as PMRs and become part of the updated FEMA FIRM map.įill means a deposit of materials of any kind placed by artificial means. ![]() Building permits cannot be issued based on a CLOMR. A CLOMR does not revise an effective Flood Insurance Rate Map (FIRM), it indicates whether the resulting floodplain from the project, if built as proposed, would result in a FIRM change. The term does not imply that the flood will necessarily happen once every one hundred years.īase Flood Elevation means the elevation shown on a FEMA Flood Insurance Rate Map for Zones AE, AH, AR, AR/A, AR/AE, AR/AH, and AR/AO that indicates the water surface elevation resulting from a flood that has a one percent chance of equaling or exceeding that level in any given year.īasement means any area of a building having its floor subgrade (below ground level) on all sides.Ĭonditional Letter of Map Revision (CLOMR) means FEMA’s comment on a proposed project that would, after construction, affect the hydrologic or hydraulic characteristics of a stream or other flooding source and thus result in the modification of the existing FEMA regulatory floodplain, flood way, the effective Base Flood Elevations (“BFEs”), and/or the Special Flood Hazard Area (“SFHA”). The terms “one-hundred-year flood” and “one percent chance flood ” are synonymous with the term “100-year flood”. Grading, Erosion, and Sediment Control (GESC)Īddition means any activity that expands the enclosed footprint or increases the square footage of an existing structure.īase Flood or 100-year Flood means a flood having a recurrence interval that has a onepercent chance of being equaled or exceeded during any given year (1-percent-annual-chance flood).Stormwater Public Improvement Permit (SPIP) for Water Quality Facilities.Arapahoe County Submittal and Approval Process.Stormwater Public Improvement Permit (SPIP).Grading, Erosion, and Sediment Control (GESC) Permit.Operations and Maintenance Agreement for Permanent Water Quality Control Measure Facilities.SEMSWA Grading, Erosion, and Sediment Control Manual.Permanent Water Quality Control Measure (CM) Standard Details.City of Centennial Submittal and Approval Process.LIVE Low Impact GESC Review & Permitting for Single Family Home Construction.GESC Considerations for Residential Landscaping Activities.GESC Considerations for Small Residential Additions.GESC Consderations for Minor Commercial Construction.GESC Considerations for Minor Right of Way / Streetscape Construction.GESC Considerations for Pipe Relining Operations.GESC Considerations for Park, Metro and HOA Maintenance.System Development & Excess Capacity Fees.
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