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US Army Corps of Engineers€ South Atlantic Division Savannah District PROJECT MANAGEMENT PLAN FY 2018 Project Title: SECTION 1037 STUDY TO EXTEND FEDERAL PARTICIPATION IN THE TYBEE ISLAND SHORELINE PROTECTION PROJECT Beach Renourishment Evaluation Report P2#: 113002 Document History: DATE DESCRIPTION & LOCATION DATE APPROVED WITHIN PMP OF REVISION APPROVED BY Original PMP 10/2018 TYBEE ISLAND SHORE PROTECTION PROJECT BEACH RENOURISHMENT EVALUATION REPORT PROJECT MANAGEMENT PLAN 1. Scope 1 1.1. Study Authorization. 1 1.2. Study Purpose. 2 13. Project Description 2 1.4. Acquisition 4 1.5. Scope Management Plan 4 1.6. Customer Expectations 6 1.7. Project Objective 6 2. Team Identification 6 3. Critical Assumptions and Constraints 7 3.1. Assumptions 7 3.2. Constraints 9 4. Work Breakdown Structure (WBS) 9 5. Schedule 9 6. Funding Sources 13 7. Project Quality Control Plan and Objectives 13 7.1. Project Delivery Team 13 7.2. Review Plan 14 7.3. District Quality Control 14 7.4. Agency Technical Review 14 7.5. Lessons Learned 14 8. Risk Analysis 14 9. Decision Management Plan 16 10. Change Management Plan 17 11. Communications Plan 17 12. Closeout Plan 18 13. Attachment — Detailed Scopes of Work 21 13.1. Planning Technical Lead 21 13.2. Environmental, Economics and Cultural Resources 22 13.3. Scope of Work Real Estate 23 114. Scope of Work Appraise) 24 13.5. Scope of Work Economics 24 13.6. Scope of Work Engineering 24 13.7. Scope of Work Project Manager 25 1. SCOPE 1.1. STUDY AUTHORIZATION. The Federal Tybee Island Beach Erosion Control Project was authorized in June 1971 by Senate and House resolutions pursuant to Section 201 of the Flood Control Act of 1965 (Public Law 89-298), as presented in House Document No. 92-105, for a life of 10 years. Section 201 provided a procedure for authorization of projects with, at that time, an estimated Federal first cost of construction of less than $10 million. The authorizing language reads as follows: "RESOLVED BY THE COMMITTEE ON PUBLIC WORKS OF THE UNITED STATES SENATE, That pursuant to the provisions of Section 201 of Public Law 298, Eighty-ninth Congress, (79 Stat. 1073; 42 U.S.C. 1962d-5) the project providing for beach erosion control on Tybee Island, Georgia, is hereby approved substantially in accordance with the recommendations of the Secretary of the Army and the Chief of Engineers in House Document Numbered 105, Ninety-second Congress, at an estimated cost of $404,000." The authority for Federal participation in periodic nourishment of beach projects was increased from 10 years to 15 years by Section 156 Water Resources Development Act (WRDA) 1976, which reads as follows: "The Secretary of the Army, acting through the Chief of Engineers, is authorized to provide periodic beach nourishment in the case of each water resources development project where such nourishment has been authorized for a limited period for such additional periods as he determines necessary but in no event shall such additional period extend beyond the fifteenth year which begins after the date of initiation of construction of such project." Section 934 of WRDA 1986 modified Section 156 of WRDA 1976 by extending the authority for Federal participation in periodic nourishment from 15 years to 50 years and reads as follows: "Section 156 of the Water Resources Development Act of 1976 (42 U.S. C. 1962d - 5t) is amended by striking out '1lfteenth" and inserting in lieu thereof "fiftieth." Following the passage of WRDA 1986, a "Section 934" report was prepared which concluded that the authorized Federal project for Tybee Island was economically feasible under the current policy and economic guidelines, and the project should be extended for the remaining life of 30 years (from 1994). The study was initiated in 1990, completed in October 1994 and the "Tybee Island Beach Erosion Control Project, Section 934 Reevaluation Report" was approved in June 1995. Accordingly, the project life of the Tybee Island project was established in September 1974, with the initiation of 1 construction of the North Terminal Groin and Federal participation in the project cost sharing. The project will terminate in September 2024. The Tybee Island Shore Protection Project, City of Tybee Island, Chatham County, Georgia, Beach Renourishment Evaluation Study was authorized in Section 1037 of WRRDA 2014 Section 1037 (a) further amends Section 156 of the Water Resources Development Act of 1976, as amended (42 U.S.C. 1962d -5f), as written below, to provide that, at the request of the non -Federal interest, the Secretary shall carry out, for any coastal storm risk management project for which periodic renourishment is authorized for a maximum period of 50 years, a study to determine the feasibility of extending the period of nourishment for a period not to exceed 15 additional years beyond the 50 year maximum period of federal participation in cost shared renourishment. 1.2. STUDY PURPOSE. To document whether extension of the Federal participation in cost shared renourishment of the Tybee Island Shore Protection Project for an additional 15 years is technically feasible, economically justified, and environmentally acceptable, a Beach Renourishment Evaluation Report (BRER) will be prepared. 1.3: PROJECT DESCRIPTION Tybee Island is a 3.5 mile long barrier island, located 18 miles east of Savannah at the mouth of the Savannah River on the Atlantic Ocean. The highly developed island is bordered on the north by the South Channel of the Savannah River, on the east by the Atlantic Ocean, and on the south and west by the Back River and other tidal creeks. Tybee Island has an average width of 0.5 miles and the ground elevation varies from 10 to 18 feet above Mean Lower Low Water (MLLW) and slopes westward to the salt marshes. Figure 1 is a map of the project area. 2 Figure 1. Map of the Tybee Island SPP project area. Front Beach Renourishment Area 0. 5... AMIr BROIIEER n1SYRccr. SAY mss -OF EI6.1EERsSAvAlliam. WOOD'S' This authorized 3.5 mile long project was initially constructed in 1974 with a 50 -year project life and periodic renourishments to occur every 7 years. The beach was most recently renourished in 2008 and 2015. The 2015 renourishment was intended to provide material to maintain the beach and guard from potential erosion through 2024. After hurricanes Matthew in 2016 and Irma in 2017, supplemental nourishment was conducted in 2018 to add material that was lost. Additional material will be placed on 3 the beach in 2019 as a continuation of the supplemental nourishment for hurricane repairs. The beach template was slightly modified to include placement of the additional material by extending the berm up to the North terminal groin of the template. This area has been nourished during previous renourishment cycles, but not during the 2008 renourishment. In addition, the berm will be extended seaward up to 50 feet beyond the previously constructed template to account for erosion during the additional 2 years for a 9 -year cycle. The authorized project consists of nourishment of 13,200 linear feet of beach between two terminal groins (referred to as Oceanfront Beach); construction of a groin field along 1,100 linear feet of shoreline from the southern terminal groin around the South Tip to the mouth of Tybee Creek (also known as Back River) including periodic nourishment (referred to as South Tip Beach); and construction of a groin field and nourishment of 1,800 linear feet of the eastern bank of Tybee Creek to the city fishing pier (referred to as Back River Beach). The offshore Borrow Area 4 was used for the 2008 and 2015 renourishment cycles and also for the 2018 hurricane repairs. Work is being conducted to expand the borrow area for the 2019 hurricane repairs. 1.4. ACQUISITION Actions to deliver the BRER: • Environmental Assessment - accomplished with CESAS personnel. o Biological Assessment of Endangered Species (BATES) o Essential Fish Habitat (EFH) o Coastal Zone Management (CZM) o 404b1 evaluation o 401 — Water Quality Certificate o National Historic Preservation Act Compliance (NHPA) • Level 3 Benefit Economic Evaluation — accomplished with CESAJ personnel • Project 1st floor elevation survey — accomplished thru CESAS personnel or contracting action • Real Estate Appraisal for Level 3 Benefit Economic Evaluation - accomplished with CESAS personnel • Real Estate Report - accomplished with CESAS personnel • Storm Suite Modeling — accomplished thru contracting action • Beach-fx analysis — accomplished with CESAJ personnel 1.5. SCOPE MANAGEMENT PLAN The Scope of Work (SOW) outlines the tasks to complete and develop the Beach Renourishment Evaluation Report. 4 In accordance with USAGE guidance memorandum, Implementation Guidance for Section 1037(a) of the Water Resources Reform and Development Act (WRRDA) of 2014, Hurricane and Storm Damage Reduction, the report will include at least a Level 2 Benefit Economic Update. For purposes of this BRER, a Level 3 Benefit Economic Update will be developed. The report will serve to revalidate and reaffirm the existing project with the inclusion of the following: (1) cost update to appropriate price level; (2) reaffirmation of project design template; (3) validation of project parking and access; (4) confirmation of adequacy of existing borrow sources(s); (5) discussion of sea level rise considerations consistent with ER 1100-2-8162, Incorporating Sea Level Change in Civil Works Programs", (6) Review of status of environmental and other regulatory compliance including interagency coordination as necessary, to confirm environmental compliance without additional data collection, and provide an updated project federal and non-federal costs for renourishments during the 15 -year period and the estimated renourishment cycle. A public notice will be issued on the District findings and recommendation prior to submittal of the final report for approval. Project study costs are estimated as follows: Beach Renourishment Evaluation Total Cost $$' $, $82,000 Planning Technical Lead (PTL) Environmental $34,110 Economics $6,000 Cultural Resources $15,250 saa j�M1 Data Inventory/Collection Hydrodynamic/Sediment Modeling Resorting $400,300 Surve for Economics Usdate $25,000 Cost Estimating $6,500 Specialist $28,500 A. graisal for Economics Update $19,500 Economist $132,814 Pro'ect Manager $40,000 © , Vim:'=" $789,974 As outlined in the Feasibility Cost Sharing Agreement (FCSA) executed on 20 March 2018, the study will be cost -shared 50% federal / 50% non-federal for the effort. The federal share for this study was previously estimated at $300,000 and the non-federal Share was estimated at $300,000. During study scope and PMP development, it was determined that additional requirements were necessary to complete the economics for the study. As such, these requirements have increased the estimated cost from 5 $600,000 to $789,974. Additional Federal and Non -Federal funds will be required to complete the study. WRRDA 2014, Section 1037 requires that the non -Federal interest develop and submit to the District a plan for reducing the risk to people and property called the Non -Federal Interest's plan for risk reduction. The plan will be included as an appendix to the report. The non -Federal plan should identify actions already taken, or that will be taken, to reduce risks to people and property from coastal storms. Actions may include zoning requirements, evacuation measures, building codes, and non -Federal action implemented between periodic nourishment cycles. The plan should also include the requirements for flood plain management plans as described in Section 202 (c) of the Water Resources Development Act of 1996 and Policy Guidance Letter # 52, Flood Plain Management Plans. t6. CUSTOMER EXPECTATIONS The non-federal sponsor for this project is the City of Tybee Island, Georgia. The non- federal sponsor's expectations include sound engineering practice, cost effectiveness, and timeliness. Section 1037 requires that the non -Federal interest develop and submit to the District a plan for reducing the risk to people and property. The plan will be included as an appendix to the BRER. The non -Federal plan should identify actions already taken, or that will be taken, to reduce risks to people and property from coastal storms. Actions may include zoning requirements for flood plain managements plans as described in Section 202 (c) of the Water Resources Development Act of 1996 and Policy Guidance Letter #52, Flood Plain Management Plans. 1.7. PROJECT OBJECTIVE The project objective is to extend the life of the current Federal Project for 15 additional years. 2. TEAM IDENTIFICATION Project Delivery Team Josh Nickel Project CESAS-PM-C 912-652- Joshua.nickel@usace.army.mil Manager 5266 April Plan CESAS-PM-P 912-652- April.N.Patterson@usace.army. Patterson Formulator 5754 mil 6 Dorothy Real Estate Steinbeiser ;Specialist CESAS-RE- HA 912-652- 5941 Dorothy. M. Steinbeiser@usace.a' rmy.mil Robin Armetta Biologist CESAS-PM-P 912-652- 6148 Robin.E.Armetta@usace.army. mil Mary ;Biologist Richards CESAS-PM-P 912-652- 5020 Mary.E.Richards@usace.army. mil Julie Morgan Archeologist CESAS-PM-P 706-856- Julie.A.Morgan@usace.army.mil 0378 Lori Hadley Design CESAJ-EN- 904-232- Lori.L.Hadley@usace.army.mil Engineer WC 1386 Idris Dobbs ,Economist CESAJ-PD-D 904-232- Idris.L.Dobbs@usace.army.mil 1053 Marty Harm Economist !CESAJ-PD-D 904-232- Martin.T.Harm@usace.army.mil 3530 Mark Appraiser CESAS-RE- 912-652- John.M.Hamilton@usace.army. Hamilton TA mil Elliott Cost CESAS-EN- 912-652- Elliott.K.Roughen@usace.army. Roughen Engineer ET .5663 mil 3. CRITICAL ASSUMPTIONS AND CONSTRAINTS 3.1. ASSUMPTIONS The following assumptions are made with respect to the project: • Funding will be provided as outlined in the Feasibility Cost Share Agreement (FCSA); and • The approval authority for the study is the Commander, U.S. Army Corps of Engineers. • There are not challenging aspects of this study. It consists of extending the period of Federal participation in periodic renourishments. Accordingly, the project does not have any significant technical, institutional, or social challenges. • The study is not highly controversial as it consists of continuing Federal participation in periodic renourishments of the project. It is not anticipated that there will be a significant public dispute as to the size, nature, or effects of the project. " T h e m a j o r r i s k s i n t h e p r o j e c t i n c l u d e t h e p o t e n t i a l f o r a d v e r s e i m p a c t s i f t h e F u t u r e W i t h o u t P r o j e c t ( F W O P ) c o n d i t i o n ( i . e . t h e N o A c t i o n P l a n ) i s s e l e c t e d , a s s e v e r e s t o r m i m p a c t s t o l i f e a n d p r o p e r t y c o u l d o c c u r . " N o l i f e s a f e t y i s s u e s a r e a n t i c i p a t e d f r o m t h e e x t e n s i o n o f F e d e r a l p a r t i c i p a t i o n i n p e r i o d i c r e n o u r i s h m e n t s a s t h e p r o j e c t w i l l o n l y c o n t i n u e c o n s t r u c t i o n t o t h e p r e v i o u s l y a u t h o r i z e d a n d c o n s t r u c t e d d e s i g n l i m i t s . 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T h e p r o j e c t d o e s n o t c o n t a i n i n f l u e n t i a l s c i e n t i f i c i n f o r m a t i o n a n d w i l l n o t i n c l u d e a n y h i g h l y i n f l u e n t i a l s c i e n t i f i c a s s e s s m e n t s . 3 . 2 . C O N S T R A I N T S T h e k e y c o n s t r a i n t s a r e a s f o l l o w s : " F u n d i n g T h e c u r r e n t F e d e r a l C o s t S h a r e A g r e e m e n t b e t w e e n t h e g o v e r n m e n t a n d t h e C i t y o f T y b e e I s l a n d e x e c u t e d o n 1 8 M a r c h 2 0 1 8 , A r t i c l e I I I . , S e c t i o n A . s t a t e s , "