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Home My WebLink About(2) Council Workshop Drainage ProjectsCity of Port Arthur Hurricane Harvey Recovery Program Drainage Projects Status Workshop Background Project Formulation and History Disaster Recovery Plan GOALS •Leverage federal and non-federal resources to rebuild the City and lives of residents impacted; •Provide new infrastructure to support efforts to rebuild (e.g., street, utilities, public facilities, water, sewer and drainage); •Disaster mitigation for future disasters with both physical infrastructureand regulatory reform. IDENTIFIED PROJECTS •Port Acres–Vicinity of 66 th & 67 th Streets •El Vista–Vicinity of Maple Avenue •Stonegate(Lake Arthur & Golf Course)–Vicinity of Jimmy Johnson Boulevard from SH 69 to 9 th Avenue 3 Timeline 11/30/20 - 1/28/21 1/31/201/27/201/15/207/17/196/24/192/17/1911/21/184/23/188/25/178/17/17 Hurricane Harvey hit Port Arthur City issued its Disaster Recovery & Resiliency Plan, beginning federal assistance application process City issued requests for proposals from engineers to design drainage projects City submitted revised application requesting additional funding for Lake Arthur project land acquisition City contracted AWC and Stuart Consulting to design two projects each Final designs completed and submitted to TDEM for concurrence Hurricane Harvey disaster declaration City submitted its application for federal assistance to TDEM TDEM issued sub-grant award letters to the City; City accepted on 7/11/19 Project kickoff meeting with TDEM FEMA approved the City’s 7/17/19 budget modification request 4 Overview of Projects Project Areas, Scopes of Work & Resulting Conditions Port Acres Designer Arceneaux Wilson & Cole (AWC) Affected Drainage Area 6 Port Acres DESIGNED SCOPE OF WORK •Remove and replace undersized culverts •Regrade roadside ditches •Install improved outfall systems to efficiently convey runoff to DD7’s pump station •Design facilitiesbased on 25-year storm •Private utility coordination •Remove all ditches with depths >4 ft. for safety & reduced maintenance •Estimated Construction Duration: 17 months from TDEM/FEMA award PRELIMINARY SCOPE OF WORK •Remove and replace undersized culverts •Regrade roadside ditches •Install improved outfall systems to efficiently convey runoff to DD7’s pump station •Design facilitiesbased on 10-year storm 7 Port Acres Inundation Map – Existing Conditions 2.25-4.5 ft. of water inundation 8 Port Acres Inundation Map – Proposed Post-Construction Conditions 0.75-2.25 ft. of water inundation 9 El Vista Affected Drainage Area Designer Arceneaux Wilson & Cole (AWC) 10 El Vista DESIGNED SCOPE OF WORK •Correct ditch and culvert flowlines •Remove and replace undersized culverts •Regrade roadside ditches •Design facilitiesbased on 25-year storm •Private utility coordination •Estimated Construction Duration: 13 months from project award PRELIMINARY SCOPE OF WORK •Correct ditch and culvert flowlines •Remove and replace undersized culverts •Regrade roadside ditches •Design facilitiesbased on 10-year storm 11 El Vista Inundation Map – Existing Conditions 3.00-5.25 ft. of water inundation 12 El Vista Inundation Map – Proposed Post-Construction Conditions 0.75-4.5 ft. of water inundation 13 Stonegate Drainage Designer Stuart Consulting Group Affected Drainage Area 14 Stonegate Drainage DESIGNED SCOPE OF WORK •Improve drainage along Jimmy Johnson Blvd., 9 th Ave., Golfhill Dr. and Oakmont Dr. •Modify sizes of ponds for increased detention •Remove and replace collapsed pipes throughout golf course •Redesign connections between ponds for increased flow •Design facilitiesbased on 25-year storm •Estimated Construction Duration: 18 months from TDEM/FEMA award PRELIMINARY SCOPE OF WORK •Improve drainage along Jimmy Johnson Blvd. and 9 th Ave. •Modify sizes of ponds for increased detention •Remove and replace collapsed pipes throughout golf course 15 Stonegate Drainage Inundation Map – Existing Conditions on Jimmy Johnson 0.25-3.0 ft. of water inundation on roads 16 Stonegate Drainage Inundation Map – Prop. Post-Construction Conditions on Jimmy Johnson 0.25-1.5 ft. of water inundation on roads 17 Stonegate Drainage Inundation Map – Existing Conditions on 9 th Avenue 0.25-3.0 ft. of water inundation 18 Stonegate Drainage Inundation Map – Prop. Post-Construction Conditions on 9 th Avenue 2.25-4.5 ft. of water inundation 0.25-2.0 ft. of water inundation 19 Lake Arthur Affected Drainage Area Designer Stuart Consulting Group 20 Lake Arthur DESIGNED SCOPE OF WORK •Land acquisition •Alleviate ponding on streets and in lots •Provide storm water detention •Install a weir for flow equalization •Construct pump station to pump flow to DD7’s Main A Canal •Concrete line ditch •Estimated Construction Duration: 20 months from TDEM/FEMA award PRELIMINARY SCOPE OF WORK •Land acquisition •Alleviate ponding on streets and in lots •Provide storm water detention 21 Lake Arthur Inundation Map – Existing Conditions 0.25-3.0 ft. of water inundation 22 Lake Arthur Inundation Map – Proposed Post-Construction Conditions 0.25-2.0 ft. of water inundation 23 Project Financials Costs and Funding Mechanisms Phasing for Cost Items PHASE II –CONSTRUCTION •Mobilization •Demolition of Existing Facilities •Construction of Designs •Clearing, Grubbing & Regrading PHASE I –ENGINEERING •Topographic Surveying -COMPLETE •Design and Analysis -COMPLETE •Construction Plans & Specifications -COMPLETE •Bidding 25 Funding Allocation Project Name Phase I Engineering Costs Phase II Construction Costs Total Project Costs HMGP Federal Cost Share (75%) HMGP City Cost Share (25%) CDBG City Cost Share (100%) Stonegate Drainage $ 450,789.00 $ 16,904,715.00 $ 16,904,715.00 $ 12,678,536.25 $ 4,226,178.75 $ 3,757,514.00 Lake Arthur Detention $ 745,800.00 $ 19,115,915.00 $ 19,861,715.00 $ 14,896,286.25 $ 4,965,428.75 $ 4,183,082.37 El Vista Drainage Improvements $ 239,375.00 $ 6,312,080.00 $ 6,551,455.00 $ 4,913,591.25 $ 1,637,863.75 $ 848,495.75 Port Acres Drainage Improvements $ 685,867.00 $ 16,487,635.00 $ 17,173,502.00 $ 12,880,126.50 $ 4,293,375.50 $ 2,505,750.00 Totals $ 60,491,387.00 $ 45,368,540.25 $ 15,122,846.75 $ 11,294,842.12 ↑ ↑ ↑ ↑ Project related costs only. Does not include management costs 75% Federal cost share total for project costs (TDEM/FEMA) 25% City’s cost share for total project costs (see next slide) 100% CDBG reimbursable Overview 26 Funding Allocation Project Name HMGP City Cost Share (25%) Stonegate Drainage $ 4,226,178.75 Lake Arthur Detention $ 4,965,428.75 El Vista Drainage Improvements $ 1,637,863.75 Port Acres Drainage Improvements $ 4,293,375.50 Total $ 15,122,846.75 CDBG-DR Allocation (75% of City Cost Share)$ 11,294,842.00 City’s Responsibility $ 3,828,004.75 City Cost Share Summary 27 $60,491,387 Total Program Cost 6.3% City’s Percentage of Total Program Cost $3,828,005 City of Port Arthur’s Cost Share 28 Next Steps •TDEM/FEMA and CDBG-DR Funding Award o TDEM approval anticipatedlate April 2021 o Awaiting Texas General Land Office contract with City before funding can be received •Bidding •Construction 29 Project Team Alberto Elefaño, PE FlozelleRoberts, EIT, MEng, MBA Hassan Shomalzadeh, PE – H & P Engineering Craig Taffaro Mounika Parakala Ron Arceneaux, PE Joe Wilson, PE Marc Ochoa, PE Lauren Morgan Marty Cristafaro, PE Michael McMahan, PE Elizabeth Rice-Moore, PE Kelly Humphries, PE –5Engineering José De La Peña, PE –5Engineering Melinda Smith 30 Questions? 31