Title
AUTHORIZATION TO AMEND A PROFESSIONAL SERVICES AGREEMENT WITH BLACK AND VEATCH CORPORATION FOR PYRAMID PEAK WATER TREATMENT PLANT FACILITY ASSESSMENT
Staff Contact: Craig Johnson, P.E., Director, Water Services
Purpose and Recommended Action
Recommendation
This is a request for City Council to authorize the City Manager to amend the existing Professional Services Agreement, C-8912 with Black and Veatch Corporation, for Phase II of the Pyramid Peak Water Treatment Plant improvement evaluation in an amount not to exceed $697,416.
Background
The Pyramid Peak Water Treatment Plant (PPWTP) is jointly owned by the City of Glendale and the City of Peoria, with Peoria as a 23 percent equity owner. The plant, originally constructed in 1986, is currently in need of improvements due to aging infrastructure, changed regulatory requirements, and challenges from additional demand in both Peoria and Glendale. Peoria has asked for assistance in evaluating the plant for potential expansion.
Phase I for this project was approved for $174,960 in May 2014 and it is near completion. Phase I consists of an initial evaluation of treatment processes and potential expansion. Based on this preliminary work, an additional evaluation of plant equipment and systems is recommended. Staff has also identified a need to address distribution system concerns and regulatory permitting updates in Phase II.
This next phase of the evaluation will include an in-depth facility assessment including treatment system condition assessment and recommendations for improvements. Phase II will also include an application for an Aquifer Protection Permit for the sludge lagoons and condition assessment of a portion of the 60-inch finished water transmission pipeline. The total professional service fees for Phase II will be $697,416. Total fees for both Phase I and Phase II are $872,376.
Analysis
The PPWTP processes water from the Central Arizona Project (CAP) for Glendale and ...
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