Explanation
1. BACKGROUND: This legislation authorizes the Director of Public Utilities to modify (Mod #2) an existing engineering agreement with Brown and Caldwell for Professional Engineering Services (Design Professional, or “DP” services) for the Southerly Waste Water Treatment Plant (SWWTP) Digestion Process Expansion project, CIP# 650353-100003. This contract will provide Preliminary Design Services (Step 1), Detailed Design and Bidding Services (Step 2), and Services During Construction (Step 3) for this project. The initial phase of this contract provided Professional Engineering Services for Preliminary Design (Step 1) and Professional Engineering Services for Detailed Design and Bidding Services (Step 2).
This modification (Modification No. 2) will address acid gas treatment. This modification will evaluate acid gas treatment options and revise the original Detailed Design Memorandum from Step 1 through a technical memorandum. Once the treatment option is selected, the Engineer will begin detailed design of the acid gas treatment system and additional gas flow meters.
A future renewal will be requested for Step 3, Engineering Services During Construction, which will include technical project representation (TPR) duties, construction-phase engineering, start-up and commissioning assistance, and record documentation.
Planning Area: 99 - City wide
1.1 Amount of additional funds to be expended: $571,420.00
ORIGINAL CONTRACT (Step 1 and 2, Preliminary Design & Detailed Design)
$2,461,829.00 (PO013284)
MODIFICATION NO. 1 $397,198.00 (PO188228)
MODIFICATION NO. 2 (current request) $517,420.00
TOTAL ESTIMATED CONTRACT $3,376,447.00
1.2 Reasons additional...
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