Jacobs Engineering Inc. 11/3/2022 Amendment 1

coordinated with the City's schedule for design completion, bidding, and contract award. The project schedule shall be developed based on the design-bid-build delivery method. The construction schedule shall include a high level,general list of construction activities for the project and provide an estimated contract duration and completion date. • However,the Consultant cannot predict future market conditions, or the effect of bidding competition, on the project bid price and schedule.Therefore,the Consultant cannot warrant that bids or ultimate construction cost and schedules will not vary from cost estimates and construction schedules prepared under this task. Activities: Prepare 30% (Preliminary) Estimate of Probable Construction Cost and Construction Schedule Consultant will provide a Class 4 opinion of probable construction cost (OPCC) at a preliminary design level of completion in accordance with the AACEI recommended practices.The estimate will include a construction cost contingency in accordance with AACEI guidelines, suitable to the level of detail of the design.The estimate will also include contractor overhead and profit,sales tax, and escalation to the midpoint of anticipated construction to complete a project cost estimate. A construction schedule will be prepared in conjunction with the OPCC. Prepare 60% Estimate of Probable Construction Cost and Construction Schedule The Consultant will prepare a Class 3 OPCC at 60%design in accordance with the AACEI recommended practices.The Consultant will coordinate with City staff to identify standard and non-standard bid items used for the project. The Consultant will perform a quantity takeoff and develop an itemized construction cost estimate using unit costs based on experience and recent similar project bid tabs.The construction cost estimate will include appropriate contingencies in accordance with AACEI guidelines. The Consultant will also identify possible "add-alternative" project work areas. A construction schedule will be prepared in conjunction with the OPCC. Prepare 90% Estimate of Probable Construction Cost and Construction Schedule The Consultant will prepare a Class 2 OPCC at 90% design in accordance with the AACEI recommended practices.The Consultant will coordinate with City staff to identify standard and non-standard bid items used for the project. The Consultant will perform a quantity takeoff and develop an itemized construction cost estimate using unit costs based on experience and recent similar project bid tabs.The construction cost estimate will include appropriate contingencies in accordance with AACEI guidelines. The Consultant will also identify possible"add-alternative" project work areas. A construction schedule will be prepared in conjunction with the OPCC. Prepare 100% Estimate of Probably Construction Cost and Construction Schedule The Consultant will prepare the final Engineer's Estimate to be used during bidding, by completing final design and incorporating comments from previous design submittal to update the estimate.The final construction cost contingency amount will be added as directed by the City.The Consultant will prepare a Class 1 OPCC at 100% design in accordance with the AACEI recommended practices, and a construction schedule. April 2022 Page 30 of 35 Jacobs Engineering Group