Explanation
1. BACKGROUND
This ordinance authorizes the Director of Public Utilities to modify and increase the professional services agreement with Hatch Associates Consultants, Inc. for the Southwesterly Composting Facility Odor Control Improvements project, CIP 650375-100002, in a dollar amount up to $1,115,400.00.
The Department of Public Utilities, Division of Sewerage and Drainage (DOSD) operates and manages two large municipal wastewater treatment plants (WWTPs). The Compost Facility processes biosolids from both WWTPs by composting under negative aeration and biofiltration. There have been 3 phases of this Contract. The original Contract performed preliminary engineering and equipment upgrades at the Compost Facility. The next phase completed the detailed design providing facility upgrades and expansion. The project was placed on hold at 95% design due to budgetary concerns, and then there was an unplanned modification for redesign, reducing the Construction scope. The redesign is complete, and the designer created the bid package.
This planned modification is for engineering services during construction. Construction, Construction Management Services and commissioning of the improvements will be performed by others.
Planning Area: 99 - City wide
1.1 Amount of additional funds to be expended: $1,115,400.00
Original Contract $ 864,820.00 (ORD. 3053-2016, PO046866)
Renewal #1 $ 2,250,500.00 (ORD. 1932-2018, PO135218)
Modification #1 $ 680,000.00 (ORD. 2683-2020, PO268737)
Modification #2 (current) $ 1,115,400.00
Total (Original and Modifications) $ 4,910,720.00
1.2. Reasons additional goods/services could not be foreseen:
A decision was made to postpone the Odor Reduction Improvements, however there are several facility components t...
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