Item 15 - Approve Agreements for Agreements for On-Call Engineering Services

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ff TAIT & Associates, Inc. t On -Call Water Resources Engineering Services As utility records are received, TAIT will update the project base map to ensure the plans have the most recent alignment, size, type and depth of utilities currently present. Utility Coordination TAIT will coordinate with all present and affected utilities during the course of the design. All potential conflicts with the improvements will be identified, and contact will be made with the appropriate utility coordinator. Utility permits are not anticipated as part of this contract. Utility Potholing Tait will develop a potholing plan to identify locations in the field where field potholing may be required to finalize the project's vertical alignments. Abased on a review of each project segment Tait has identified potentially a total of 30 potholes that may be required. After the approval of the preliminary water line pipe alignment and connection points, Tait will I identify each pipe crossings using record drawings, field observations and field survey data. Of the total number of pipe crossings identified, Tait will then identify the most critical crossings that would require further investigation. The critical locations will then be used to develop a Potholing Plan for the project. This Plan will then be submitted to the City for approval of the Potholing Plan and the contract required number of potholes being proposed. Tait's Fee Proposal provides a cost be pothole, the cost for a full day of potholing (approximately five to six potholes based on the pothole locations and traffic conditions encountered) and the total cost to do the 30 potholes initially identified by Tait in the development of our proposal project understanding. Based on the final Number of Potholes the city will identify the proposed approach to address the cost of conducting field services portion of the project's utility potholing. Utility Potholing - Field Services — OPTIONAL TASK TAIT has obtained the services of Bess Testlab Inc. (BTL) in order to provide any required potholing on this contract. In order to maximize the benefit of the potholing activities, TAIT proposes to conduct all potholing services during the preparation of the 60% plans. Pothole locations will be tied to existing features in the field in order to accurately represent the location of the potholes on the plans. The proposed potholing approach will use "spotholing" methods in order to minimize the time of traffic impact and damage to the pavement structure. 1'x1' diameter holes will be cut in the pavement soil will be excavated down to the depth of existing utility via use of a vacuum truck and a high pressure hose. Deliverables: ✓ Utility Notice & Responses, Utility Records, Utility Correspondence, Dig Alert list of Utilities ✓ Utility Potholing Base map ✓ Utility Pothole Report `TAITn41FX6E Page 1 12 y