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C150036 Feasibility Study
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C150036 Feasibility Study
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Last modified
7/21/2010 10:03:13 AM
Creation date
7/3/2007 9:46:12 AM
Metadata
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Template:
Loan Projects
Contract/PO #
C150036
Contractor Name
Weld County Tri Area Sanitation District
Contract Type
Loan
Water District
2
County
Weld
Bill Number
HB 00-1419
Loan Projects - Doc Type
Feasibility Study
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' <br />' Institutional Considerations: <br />Portions of the communities of Frederick, Evanston, and Firestone currently lie <br />within the Federal Emergency Management Agency (FEMA) designated 100 year <br />floodplain as shown on the exhibits and map in Appendix 5. These communities <br />participate in the National Flood Insurance Program. As part of this program, <br />these communities must notify FEMA prior to any alteration or relocation of the <br />existing floodplain. For the improvements discussed within this study, FEMA <br />would be notified through completion of a Conditional Letter of Map Revision <br />(CLOMR) process. A CLOMR is used to change an established flood zone, <br />floodplain, or floodway delineation. During the CLOMR process, final <br />construction drawing designs and related technical hydrologic and hydraulic data <br />are submitted by the community to FEMA for review and approval. Once FEMA <br />has approved the project for construction, a CLOMR is issued to the community. <br />Construction cannot begin until the CLOMR has been approved. This process can <br />take 3- 6 months. After the project has been constructed and asbuilt surveyed, <br />FEMA is again notified through completion of a Letter of Map Revision (LOMR) <br />process. A LOMR is used to record the asbuilt design information to establish the <br />new flood zone, floodplain, or floodway delineation. During the LOMR process, <br />as-built construction drawings and backup documentation are submitted by the <br />community to FEMA for review and approval. Once FEMA has approved the as- <br />built drawings and backup documentation, the LOMR is processed and FEMA will <br />then retain the information for the physical map revision process. A physical map <br />revision is an official republication of a FEMA map to effect changes to flood <br />insurance zones, floodplain delineations, flood elevations and floodways. Once the <br />physical map revision process has been completed and the maps issued, properties <br />that have been removed from a designated FEMA floodplain will no longer be <br />required to maintain flood insurance and can begin to realize this cost savings. <br />To acquire property for the regional detention pond, legal documents will need to <br />be drawn up and land purchase/contract(s) completed. As documented within <br />Appendix 3, the Town of Frederick has already begun this work effort. <br />A National Pollution Discharge Elimination System (NPDES) permit is required <br />before construction of the proposed improvements can begin. This permit is <br />administered by the Colorado Department of Public Health and Environment's <br />Water Quality Control Division. The permit paper work and Storm Water <br />Management Plan are required to ensure that Best Management Practices are used <br />to reduce the pollutants in storm water discharges associated with construction <br />activities. <br />A Construction Groundwater Discharge Permit is required before construction of <br />any sub-surface improvements can begin. This permit is administered by the <br />21 <br />
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