Annual report for ... Town Creek bridge, Brunswick County, TIP no. B-3115, CAMA permit no. 80-04 |
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ANNUAL REPORT FOR 2007 ` Town Creek Bridge Brunswick County TIP No. B-3115 CAMA permit No. 80-04 Prepared By: Natural Environment Unit & Roadside Environmental Unit North Carolina Department of Transportation August 2007 TABLE OF CONTENTS SUMMARY ...........................................................................................................1 1.0 Introduction ...............................................................................................2 .1 Project Description .........................................................................2 .2 Purpose .........................................................................................2 .3 Project History ................................................................................2 2.0 Vegetation: ................................................................................................3 .1 Success Criteria .............................................................................3 .2 Results of Vegetation Monitoring ....................................................3 .3 Conclusions. ...................................................................................3 3.0 Overall Conclusions and Recommendations .............................................3 FIGURES Figure 1 – Site Location Map ...............................................................................4 APPENDICES Appendix A – Site Photos 1 SUMMARY The Town Creek Bridge Mitigation Site (B-3115) is located in Brunswick County. This is an annual report for temporary impacts associated with bridge replacement of Bridge No. 61 over Town Creek on NC 133. The site was completed in March 2005. The temporary impacts encompass approximately 0.01 acres. The area that was impacted by mechanized clearing is being monitored to ensure that it re-attains wetland jurisdictional status. Hydrologic monitoring is not required for this site; however, vegetation monitoring is required for three years. After the third year of monitoring, the Town Creek Bridge site shows by visual observation that the temporarily impacted area is re-attaining wetland jurisdictional status. NCDOT proposes to discontinue vegetation monitoring of this site. 2 1.0 INTRODUCTION 1.1 Project Description The Town Creek Bridge Mitigation Site (B-3115) is located in Brunswick County. This is an annual report for temporary impacts associated with bridge replacement of Bridge No. 61 over Town Creek on NC 133 (Figure 1). 1.2 Purpose In order for a temporarily impacted site to be considered successful, the site must re-attain wetland jurisdictional status. This report details the vegetation monitoring in 2007 at the Town Creek Bridge site. Hydrologic monitoring was not required for this site. 1.3 Project History March 2005 Project Completed July 2005 Vegetation Monitoring (1 year) August 2006 Vegetation Monitoring (2 year) August 2007 Vegetation Monitoring (3 year) 3 2.0 VEGETATION: TOWN CREEK BRIDGE SITE (YEAR 3 MONITORING) 2.1 Success Criteria Due to the possibility that compaction, mechanized clearing, and/or other site alterations might prevent the temporary wetland impact area from re-attaining wetland jurisdictional status, the permittee shall provide an annual update on the wetland areas temporarily impacted by this project. This annual update will consist of photographs and a brief report on the progress of the temporarily impacted areas. After three years of monitoring, the permittee shall schedule a field meeting with DCM, DWQ, and WRC to determine if the temporarily impacted areas have re-attained jurisdictional wetland status. If at the end of three years the area has not re-attained jurisdictional wetland status, NC DCM and the above listed agencies shall determine whether a compensatory wetland mitigation plan will be required. 2.2 Description of Species There were no species planted for the temporary impacts. The temporarily impacted areas were left to revegetate naturally. 2.3 Results of Vegetation Monitoring Species noted in temporary impact area are as follows: Spartina cynosuroides, Spartina alterniflora, Scirpus robustus, Sagittaria sp., Panicum sp., Scirpus sp., Juncus sp., sweetgum, fennel, ragweed, red maple, Baccharis sp., fern, and various grasses. 2.4 Conclusions There were approximately 0.01 acres of temporary impacts on site. By visual observation, the Town Creek Bridge site shows that natural re-vegetation is occurring and that the impacted areas are re-attaining jurisdictional wetland status. 3.0 OVERALL CONCLUSIONS AND RECOMMENDATIONS NCDOT proposes to discontinue vegetation monitoring at the Town Creek Bridge site. 4 APPENDIX A SITE PHOTOS Town Creek Bridge Photo 1 Photo 2 Photo 3 Photo 4 August 2007
Object Description
Description
Title | Annual report for... Town Creek bridge, Brunswick County, TIP no. B-3115, CAMA permit no. 80-04 |
Other Title | Town Creek bridge, Brunswick County |
Date | 2007-08 |
Description | 2007 |
Digital Characteristics-A | 477 KB; 8 p. |
Digital Format |
application/pdf |
Pres File Name-M | pubs_serial_towncreekbridge2007.pdf |
Full Text | ANNUAL REPORT FOR 2007 ` Town Creek Bridge Brunswick County TIP No. B-3115 CAMA permit No. 80-04 Prepared By: Natural Environment Unit & Roadside Environmental Unit North Carolina Department of Transportation August 2007 TABLE OF CONTENTS SUMMARY ...........................................................................................................1 1.0 Introduction ...............................................................................................2 .1 Project Description .........................................................................2 .2 Purpose .........................................................................................2 .3 Project History ................................................................................2 2.0 Vegetation: ................................................................................................3 .1 Success Criteria .............................................................................3 .2 Results of Vegetation Monitoring ....................................................3 .3 Conclusions. ...................................................................................3 3.0 Overall Conclusions and Recommendations .............................................3 FIGURES Figure 1 – Site Location Map ...............................................................................4 APPENDICES Appendix A – Site Photos 1 SUMMARY The Town Creek Bridge Mitigation Site (B-3115) is located in Brunswick County. This is an annual report for temporary impacts associated with bridge replacement of Bridge No. 61 over Town Creek on NC 133. The site was completed in March 2005. The temporary impacts encompass approximately 0.01 acres. The area that was impacted by mechanized clearing is being monitored to ensure that it re-attains wetland jurisdictional status. Hydrologic monitoring is not required for this site; however, vegetation monitoring is required for three years. After the third year of monitoring, the Town Creek Bridge site shows by visual observation that the temporarily impacted area is re-attaining wetland jurisdictional status. NCDOT proposes to discontinue vegetation monitoring of this site. 2 1.0 INTRODUCTION 1.1 Project Description The Town Creek Bridge Mitigation Site (B-3115) is located in Brunswick County. This is an annual report for temporary impacts associated with bridge replacement of Bridge No. 61 over Town Creek on NC 133 (Figure 1). 1.2 Purpose In order for a temporarily impacted site to be considered successful, the site must re-attain wetland jurisdictional status. This report details the vegetation monitoring in 2007 at the Town Creek Bridge site. Hydrologic monitoring was not required for this site. 1.3 Project History March 2005 Project Completed July 2005 Vegetation Monitoring (1 year) August 2006 Vegetation Monitoring (2 year) August 2007 Vegetation Monitoring (3 year) 3 2.0 VEGETATION: TOWN CREEK BRIDGE SITE (YEAR 3 MONITORING) 2.1 Success Criteria Due to the possibility that compaction, mechanized clearing, and/or other site alterations might prevent the temporary wetland impact area from re-attaining wetland jurisdictional status, the permittee shall provide an annual update on the wetland areas temporarily impacted by this project. This annual update will consist of photographs and a brief report on the progress of the temporarily impacted areas. After three years of monitoring, the permittee shall schedule a field meeting with DCM, DWQ, and WRC to determine if the temporarily impacted areas have re-attained jurisdictional wetland status. If at the end of three years the area has not re-attained jurisdictional wetland status, NC DCM and the above listed agencies shall determine whether a compensatory wetland mitigation plan will be required. 2.2 Description of Species There were no species planted for the temporary impacts. The temporarily impacted areas were left to revegetate naturally. 2.3 Results of Vegetation Monitoring Species noted in temporary impact area are as follows: Spartina cynosuroides, Spartina alterniflora, Scirpus robustus, Sagittaria sp., Panicum sp., Scirpus sp., Juncus sp., sweetgum, fennel, ragweed, red maple, Baccharis sp., fern, and various grasses. 2.4 Conclusions There were approximately 0.01 acres of temporary impacts on site. By visual observation, the Town Creek Bridge site shows that natural re-vegetation is occurring and that the impacted areas are re-attaining jurisdictional wetland status. 3.0 OVERALL CONCLUSIONS AND RECOMMENDATIONS NCDOT proposes to discontinue vegetation monitoring at the Town Creek Bridge site. 4 APPENDIX A SITE PHOTOS Town Creek Bridge Photo 1 Photo 2 Photo 3 Photo 4 August 2007 |
OCLC number | 870774735 |