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City of Pleasanton Phase 1A Recycled Water Distribution System Design Final Draft Subtask 3.6: Utility Potholing Consultant shall obtain advanced concurrence from City prior to proceeding with potholing work. Consultant shall prepare a pothole plan based on the preliminary 50% plans. The proposed potholing would focus on larger pipeline segments, large diameter existing pipelines, critical existing pipelines and intersections. Once approved by the City, Consultant's potholing subconsultant shall excavate up to 50 potholes to locate existing utilities and buried infrastructure both horizontally and vertically. Each pothole will be backfilled with excavated material and capped with grout. Pothole data will be developed using subconsultant's standard data format. Results will be incorporated into the project drawings in tabular format,with a depiction of horizontal location on the pipeline plan views. Subtask 3.6 Assumptions: • City will waive fees for potholing encroachment permit • Pothole patching in roadways and hardscape areas will be temporary in accordance with City standards (assume 6 inches of aggregate base capped with 2 inches of cold patch asphaltic concrete) Subtask 3.6 Deliverables: • Utility potholing reports(.pdf via email)and data incorporated into Task 5 deliverables Subtask 3.7: Plats and Legal Descriptions Consultant's surveying subconsultant shall prepare up to one plat and legal description for a permanent easement on DSRSD Biosolids Facility or Wastewater Treatment Plan property for the Pleasanton supply turnout and control valve station. The plat and legal description shall be prepared for purposes of easement acquisition and recording. The plat and legal descriptions shall be prepared in accordance with local and State requirements under the direction of a California licensed Professional Land Surveyor and shall be sealed and signed by same. Subtask 3.7 Assumptions: • Up to one easement parcel will be needed for the turnout control valve facilities Subtask 3.7 Deliverables: • Draft and final plat and legal description(.pdf via email) TASK 4: TITLE 22 ENGINEER'S REPORT Consultant shall develop the Title 22 Engineer's Report in accordance with the Department of Public Health (DPH) Guidelines for the Preparation of an Engineering Report for the Production, Distribution and Use of Recycled Water (March 2001) and with the Water Reuse Program technical report requirements from the San Francisco Bay RWQCB General Waste Discharge Requirements Water Reuse Order (Order 96-011) or the Statewide General Order for Recycled Water Use (Order WQ 2014-0090- DWG), whichever the RWQCB deems to be the permitting mechanism for this project. Consultant shall work with the City to develop a strategy to achieve permitting under Order 90-011. As the City of Pleasanton will use recycled water from the DSRSD and City of Livermore,a two-chapter Engineer's Report for recycled water use will be developed— one chapter on distribution and a second chapter on use areas. For the purposes of this scope, the development of the Recycled Water Program to support recycled water Users (Customers) is assumed to borrow/reuse available resources from other agencies. Revisions requested or required by the RWQCB to the Title 22 recycled water use program materials developed by the City will be made by the City. Task 4 Assumptions: • City is developing recycled water use program materials consistent with the requirements of Title 22 Scope of Work RevS Page 7 of 17 August 20,2014