Item 6 — original pdf

Backup

Item 6 # 22-3175 Water &Wastewater Commission: October 12, 2022 Council: October 27, 2022 Posting Language Recommend approval to execute an amendment to the Advance Funding Agreement with Texas Department of Transportation (TxDOT) for the relocation and adjustments of existing water lines and appurtenances in conflict with the TxDOT Boyce Lane Roadway Improvements project at Harris Branch Creek in the amount of $79,599.88, for a total amount not to exceed $174,110.68. (District 1). Lead Department Public Works Department Client Department Austin Water Assistant Director of Engineering Services, Shay Ralls Roalson Fiscal Note Funding in available in the Fiscal Year 2022-2023 Capital Budget of Austin Water. Prior Council Action June 28, 2018 – Approved authorization to negotiate and execute of an Advance Funding Agreement with Texas Department of Transportation (TxDOT) for the relocation and adjustments of existing waterlines and appurtenances in conflict with the TxDOT Boyce Lane Roadway Improvements project at Harris Branch Creek in the amount of $94,510.80. Council Committee, Boards and Commission Action October 12, 2022 – To be reviewed by the Water & Wastewater Commission. June 13, 2018 – Approved by the Water and Wastewater Commission unanimously on Commissioner Castleberry’s motion and Commissioner Turrieta’s second on an 8-0 vote with Commissioners Maia, Parton & Schmitt absent. Additional Backup Information This project involved the relocation and adjustments of an existing water line and appurtenances in conflict with TxDOT’s Boyce Lane Roadway Improvements project at Harris Branch Creek project. The work consisted of relocating approximately 250 linear feet of an 8-inch diameter water line, including appurtenances. Per the approved Interlocal Agreement with TxDOT, the construction of this relocation was included in the TxDOT’s contract. The previously approved Interlocal Agreement allowed Austin Water to pay TxDOT a total not to exceed $94,510.80; estimated construction amount of $78,759.00 plus a 20% contingency of $15,751.80. Reason for the Amendment: Austin Water’s existing water and wastewater lines were required to be relocated due to conflict with TXDOT roadway improvement. Executing this Advanced Funding Agreement allowed for the relocation and construction of the City of Austin water and wastewater facilities under the TxDOT construction contract, to reduce impact to the public.  Item 6 # 22-3175 Water &Wastewater Commission: October 12, 2022 Council: October 27, 2022 The July 2018 engineer’s estimate prior to TxDOT bid was $78,759.00, but the lowest bid for the work was $148,535, a difference of $69,776. In addition to the price difference, additional work was added for a total difference of $95,351. The major difference in the cost was related to additional bypass pumping. The additional funds requested in this RCA will fund the final outstanding invoice to complete the project. The project is already completed. This project is managed by the Public Works Department. This project is located within zip code 78653 (District 1). Strategic Outcome(s) Mobility  TxDOT Boyce Lane Water Line Relocation Project Map CIP ID 3212.173 256’ of 8” WL in 16” encasement.