20240814-018 ABR Airfield Infrastructure RCA — original pdf

Backup

City of Austin Recommendation for Action File #: 24-5252, Agenda Item #: 8/29/2024(cid:4) Posting Language Authorize additional expenditures for the Construction Manager at Risk contract for the Airport Expansion Development Program Airfield Infrastructure with Austin Bridge and Road, to increase the amount by $155,000,000 for a revised total contract amount not to exceed $320,000,000. Lead Department Financial Services Department. Client Department(s) Capital Delivery Services. Purchasing Language: Additional Authorization. Fiscal Note Funding in the amount $155,000,000 is available in the Capital Budget of the Department of Aviation. MBE/WBE: This request is for additional expenditure authority only. MBE/WBE goals will be established if a change order is requested. Prior Council Action: September 1, 2022 - City Council authorized the Construction Manager at Risk Agreement for Preconstruction and Construction services with Austin Bridge & Road. October 14, 2021 - City Council authorized use of Construction Manager at Risk Alternative Delivery Method. For More Information: Direct questions regarding this Recommendation for Council Action to the Financial Services Department - Central Procurement at: FSDCentralProcurementRCAs@austintexas.gov or 512-974-2500. Council Committee, Boards and Commission Action: August 14, 2024 - To be reviewed by the Airport Advisory Commission. Additional Backup Information: The Airport Expansion Development Program (AEDP) Airfield Infrastructure Project is considered an enabling project for the AEDP program to prepare for the development of Concourse B and preserve airfield connectivity. This project will construct new taxiways that will allow the closure of the existing midfield taxiways in order to build Concourse B. The project includes demolition of existing infrastructure and construction of new airfield taxiway pavement; aircraft rated bridge structures, service roads, utilities, reconfiguration of the south campus drainage, security improvements and, updates to the airfield lighting and signage systems. City of Austin Page 1 of 2 Printed on 7/23/2024 powered by Legistar™ (cid:5) (cid:6) File #: 24-5252, Agenda Item #: 8/29/2024(cid:4) On September 1, 2022, Council selected Austin Bridge & Road, LP as the Construction Manager-at-Risk (CMR). Austin Bridge & Road, LP began preconstruction services, collaborating with the City and the design firm during design development to conduct constructability analysis, design reviews, cost estimating, construction scheduling, construction trade outreach, and development of a Guaranteed Maximum Priceproposal. Between the time design work began and 100 percent design development, the overall scope has evolved and changed considerably. In close consultation with the Federal Aviation Administration (FAA), the project has focused on keeping the FAA Air Traffic Control Tower and the Aircraft Rescue Fire Station accessible to the landside for public access yet allow for mandated emergency response times within the Air Operations Area. To accommodate these needs, the project includes two taxiway airplane bridges, additional taxiway connections, service vehicle access roads, and additional utilities and water-quality storm water infrastructure. Following preliminary engineering of the project it was determined that additional infrastructure and detailed construction phasing is needed. New project phasing plans have been developed in coordination with Airport operations and FAA Air Traffic Control. The new construction phasing plan includes rerouting of utilities, rerouting access roadways and parking, thereby allowing for construction of the taxiways and bridges to start construction and progress outside of the operational footprint. The noted scope changes, escalation of prices between 2022 and 2024, and the evaluation of project risks have resulted in an increase cost to the project. This request also includes the expansion of the maintenance ramp which will include utilities relocation and improvements needed for AEDP enabling projects. The proposed midfield taxiways connect to the existing maintenance ramp that is currently used for aircraft remain overnight parking and accommodations for diverted aircraft. The airport has determined the need to expand the maintenance ramp to relieve aircraft parking positions and operational capacity lost during the construction of Concourse B. This request also included additional pavement work, pavement repairs and additional work within the airfield. These requests will increase the project authority by $155,000,000. The total anticipated project cost is $320,000,000. The Aviation Department intends to seek federally funded grant support for this part of the AEDP. As part of this grant initiative, program-related construction might be included in the CMR’s scope of work. AUS will return to council for additional authority for any additional work. If the item is not approved, the delivery of the new concourse will be delayed. The contract duration is amended to 912 calendar days from construction notice to proceed to substantial completion. This project is located within zip code 78719 (District #4). City of Austin Page 2 of 2 Printed on 7/23/2024 powered by Legistar™ (cid:5) (cid:6)