Cooperative Agreement F24AC01825

Award Date 10/1/24
Completion Date 9/30/27
Dollars Obligated $75K
Federal Grant Program
15.630
Assistance Type
Cooperative Agreement
Place of Performance
Texas, USA

THE PURPOSE OF THE SHORELINE AND WETLAND PROTECTION AT COHN PRESERVE PHASE 2 PROJECT IS TO IMPLEMENT AN EARLIER PROJECT TO ADDRESS ONGOING EROSION TO THE CURRENT COHN PRESERVE SHORELINE SOUTH OF THE EXISTING BREACH. THIS PROJECT CONSISTS OF DESIGN PERMITTING AND INSTALLATION OF RIP RAP OR OTHER SIMILAR PRODUCT AT THE MEAN TIDE LEVEL OF THE PRESERVE SHORELINE. THE COHN PRESERVE IS OWNED AND MANAGED BY THE NATURE CONSERVANCY TNC WHO IS CURRENTLY WORKING IN PARTNERSHIP WITH CBBEP USFWS TEXAS GENERAL LAND OFFICE GLO AND A PROJECT ENGINEER TO IMPLEMENT PHASE 1 OF THE PROJECT FUNDED FROM GLO CEPRA CYCLE 12 AND MATCHED BY CBBEP. PHASE 1 CONSISTS OF SITE DATA COLLECTION ALTERNATIVES ANALYSIS PRELIMINARY ENGINEERING DESIGN 30% AND PERMITTING FOR A LIVING SHORELINE PROJECT. HOWEVER EXPERIENCE HAS SHOWN THAT SECURING A US ARMY CORPS OF ENGINEERS USACE CONSTRUCTION PERMIT MAY TAKE MORE THAN TWO YEARS AND IN THE MEANTIME THE SITE CONTINUES TO ERODE AND LOSE SEDIMENT AT AN ALARMING RATE. A REVIEW OF AERIAL PHOTOGRAPHS FROM 2010 2015 AND 2020 INDICATE THAT OVER THE 10YEAR PERIOD THE SHORELINE ERODED BETWEEN 15 AND 90 FEET WITH THE LARGEST IMPACT BEING IN 2017 AT THE BREACH ALONG THE NORTHERN SHORELINE DURING HURRICANE HARVEY. FOR THIS REASON CBBEP AND TNC ARE PROPOSING A PHASE 2 EARLY PROJECT THAT CAN BE MORE QUICKLY PERMITTED AND IMPLEMENTED TO STOP THE PERSISTENT EROSION WHILE THE LARGER SHORELINE PROTECTION SYSTEM UNDERGOES REGULATORY COORDINATION. THE RIP RAP OR SIMILAR WILL BE PLACED ON APPROXIMATELY 2500 FEET OF THE PROJECT SHORELINE TO STABILIZE THE SHORELINE AND SLOW EROSION. WITHOUT THIS ADDITIONAL PROTECTION THE CONTINUED SHORELINE EROSION AND POTENTIAL NEW BREACHES WILL EXACERBATE ISSUES AND CAUSE SIGNIFICANT COST INCREASES FOR THE FINAL COMPREHENSIVE SHORELINE STRUCTURE.

Posted 8/1/24, 12:00 AM