CITY COUNCIL MEETING AGENDA PACKET

City of Pleasanton, CA (0012108.00) 3-2 Woodard & Curran, Inc. Pleasanton Long-Term Sewer CIP October 6, 2025 These FTEs are not assumed to be permanent positions and may be phased out if capital project workloads decrease. 3.3 Priority A Projects and Costs The following sections describe the Priority A projects broken out by their program category. Each section gives a brief rational for why these assets received a Priority A rating and summarizes the costs shown in the long-term CIP (see Section 4). 3.3.1 Gravity Sewer R&R Seven high risk pipes received a rehabilitation/replacement action based on the results of the gravity condition assessment. These pipes all have at least one severe structural defect (NASSCO PACP grade 4 or 5), which NASSCO defines as a pipe that will fail in the near-term or has already failed. Based on these results, these pipes were assigned to priority A as near -term replacement/rehabilitation recommendations. These pipes have a variety of preliminary rehabilitation recommendations based on the defects present in each pipe, but for simplicity they are presented as a single line item in the CIP. A detailed recommendation of each pipe’s specific R&R action can be found in the Pleasanton Sewer Condition Assessment and Rehabilitation/Replacement Recommendations technical memorandum. Additional costs for pavement and sidewalk replacement were also included under the “Annual Sewer Collection System Improvements for Resurfacing”. Funding in this line item may also be used to rehabilitate or repair large diameter sewer mains, sewer siphons, and force mains. As noted in Section 2.7 the condition of these assets is currently unknown and is expected to be assessed over the next 3 to 5 years. If any of these assets are found to be in poor condition, this funding can support near-term rehabilitation efforts. Total funding allocations for both gravity sewers and other asset classes will be re-evaluated during the next sewer rate study, scheduled for 2030. Also included in this line item is the CCTV inspection cost for high priority gravity mains identified in the condition assessment analysis. These pipes received a high risk priority based on their age, material, cleaning frequency, and COF factors (See Section 2.1 for additional details), and their actual condition should be determined in the near-term so an analysis of any defects present can be performed. A summary of pipeline R&R costs as well as costs for inspection of the high priority CCTV pipes without inspection data are shown below in Table 3-1. An additional condition project was included based on City staff feedback. The Amberwood Siphon has been noted to be in poor condition and there is concern that it is capacity deficient, and unable to convey flows under Arroyo Mocho. If this siphon failed or became clogged, it could lead to SSOs in the residential neighborhood upstream of the siphon and it is therefore considered high priority. A preliminary cost has been included in Table 3-1. Page 228 of 323