Explanation
1. BACKGROUND: This Ordinance authorizes the Director of Public Utilities to modify and increase the professional engineering services agreement with CH2M Hill Engineers, Inc. (fka CH2M Hill, Inc.) for the Parsons Avenue Water Plant (PAWP) Treatment Upgrade Project, Division of Power and Water Contract No. 1095.
Work under the original agreement (EL007318, Ord #1073-2007) entailed professional consulting/engineering services to provide full-service assistance to the City to evaluate options and design an upgrade to the Parsons Avenue Water Plant to reliably treat a 50 MGD combination of ground water, ground water under the direct influence of surface water (GWUDI), and surface water. The original agreement entailed tasks identified as Preliminary Engineering, including Bench-Scale Demonstration and Microbial Studies, which will be compiled into a Preliminary Engineering Report.
Work under Modification No. 1 (EL012078, Ord# 1030-2011) allowed for completion of the Preliminary Engineering Report, including finalization of a series of Technical Memorandums which summarized the findings throughout the preliminary investigation into plant upgrades.
This agreement Modification (No. 2) will complete the detailed design and bidding portion of the project, which is expected to be completed 18 months following the Notice to Proceed. It will include 30%, 60% and 90% design submittals and review meetings, Value Engineering, regulatory submittals, a geotechnical investigation, and a Full-Scale Microbial Demonstration Study as necessary.
1.1 Amount of additional funds to be expended: $5,950,000.00
Original Contract Amount: $1,740,400.00
Modification #1: $ 275,000.00
Modification #2: (current) $5,950,000.00
Amount of original contract and Mods 1-2: $7,965,400.00
1.2 Reasons additional goods/services could not be foreseen:
This was a planned contract modification as indicated in the original authorizing legislation (Ord #...
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