Resolution providing for a Supplemental Agreement or Agreements with Gannett Fleming Inc. for costs associated with the Mount Washington Landslide Mitigation project; providing for the payment of the costs thereof, not to exceed Two Million One Hundred Fifty-Seventy Thousand Dollars ($2,157,000.000), an increase of One Hundred Fifty-Seventy Thousand Dollars ($157,000.00) to the amount previously authorized by Resolution 636 of 2021 to add additional funding for the Services During Construction Phase of the project.