Loading...
HomeMy WebLinkAbout(P1) S2G_Port-Arthur_CitiyCouncilPresentation (16-9 widescreen)_Sullivan_v2.24-330dpiS2G Program –March 2023 Garrett Sullivan, Project Manager Port Arthur Project Virtual Information Session bit.ly/PortArthur1 •Construction of a region-wide risk reduction system, along with ecosystem restoration, will improve our ability to respond to future storms and address long- term impacts of sea level rise & land subsidence. •The Port Arthur Project is a component of the Sabine Pass to Galveston Bay Program (S2G) which includes project areas in the cities of Port Arthur (Jefferson), Freeport (Brazoria), and Orange (Orange). •The objectives of the overall S2G Program include: •Reducing risks to human life from storm surge; •Reducing economic damages to residents, businesses, and infrastructure; •Enhancing energy security by reducing storm surge risk to petrochemical facilities; and •Reducing adverse physical impacts to waterways used for commercial and recreational activities. Texas Coast Regional Approach Port Arthur Project Overview The Port Arthur Project, one of three S2G projects, is located in located in Southeast Texas, approximately 12 miles from the Gulf of Mexico, on the west side of Lake Sabine. The Project will make needed improvements to an existing Hurricane Flood Protection Project (HFPP). The improved Coastal Storm Risk Management (CSRM) system is intended to increase the level of performance and resiliency of the HFPP. Authority: Section 1401 (3)3, Water Resources Development Act of 2018 (P.L. 115-270) Project Sponsor: Jefferson Co. Drainage District Total Estimated Cost: $863 M Port Arthur Project Overview Project Features The project includes the following features: Floodwalls (Replace Existing I-Walls with T-Walls) o Construct 4.81 Miles of New Concrete Floodwall o Provide Levee Erosion Protection (Stone Armoring) Levee Raisings 15.47 miles of Earthen Levees will be raisedRaised Levee 1-4 feet Project Features Twenty road & railroad closure structures will be constructed or replaced on public and private roadways. There are two types which will be constructed. o Swing Gates o Roller Gates Project Features CONCEPTUAL ILLUSTRATION: PUMP STATION FRONTING PROTECTION Project Schedule/Timeline Feasibility study complete Study authorized and funded by Congress First contract awarded Construction begins Final design complete Project complete Project Funding The USACE is partnering with the Jefferson County Drainage District to design and construct the Port Arthur Project. Civil works projects like this one are cost-shared with the non- federal sponsor, where the federal government is responsible for 65% of the cost and non-fed sponsor is responsible for 35% of the cost. 35%65% USACEDD7 PAV03A Project Overview: Design-Bid-Build Contract Major Project Elements -PAV03A Contract •Fronting Protection for 3 Pump Stations (Alligator, Lakeside, and Rhodair) ≈ 1,000 ft •Earthen Levee Raise ≈ 370 ft (Various Areas) •Concrete Floodwall Replacement ≈ 950 ft •Sheet Pile Cut-Off Wall Installation •Levee System Stone Armoring Protection •Levee All-Weather Surface Road Replace •FM-365 Road Closure Gate Replacement •Gate Well Structure and Culvert Replacement Alligator Pump Station Improvements Lakeside Pump Station Improvements Replace FM-365 Road Closure Gate, Gate Well Structure and Culvert Rhodair Pump Station Improvements PAV03A Contract PAV04 Project Overview: Design-Build Contract Port Arthur Rose Hill Park PAV04 Contract Major Project Elements -PAV04 Contract •Earthen Levee Raise ≈ 2,252 ft •Fronting Protection for 3 Pump Stations (Lakeview, Stadium Road, & Del-Mar) ≈ 468 ft including Pump Outfall Pipe Ext •New Concrete Floodwall ≈ 9,496 ft •Modifications to 9 Gravity Drain Systems •Levee System Stone Armoring Protection Stadium Rd Pump Del-Mar Pump Fronting Protection Pump Station Fronting Protection Lakeview Pump Concrete Floodwall S2G Website & Story Map https://www.swg.usace.army.mil/S2G https://sabine-to-galveston-usace-swg.hub.arcgis.com S2G Website S2G Story Map Port Arthur Project Virtual Information Session bit.ly/PortArthur1