Explanation
1. BACKGROUND:
A. Need. This legislation authorizes the Director of Public Utilities to modify the professional engineering services agreement with Stantec Consulting Services, Inc. (formerly R.D. Zande and Associates, Inc.), for the Southerly Wastewater Treatment Plant Digester Rehabilitation project. The Stantec Consulting Services, Inc. modification amount requested under this ordinance is $300,000.00. The contract total including this modification is $9,914,369.44. The proposed contract modification provides funding for investigation, data evaluation and determination of the contributing causes for the operational difficulties experienced by the sludge digestion process and the recommended remedies for optimum process performance. The Division has determined that these services cannot be performed by City personnel at this time.
Amount of additional funds to be expended: $300,000.00
Original Contract $1,213,977.00
Modification No. 1 $ 83,954.75
Modification No. 2 $ 89,506.25
Cancellation of Mod. 2's Remaining Balance ($ 1,100.81)
Modification No. 3 $1,494,934.00
Modification No. 4 $5,760,122.25
Modification No. 5 $ 972,976.00
Proposed Modification No. 6 $ 300,000.00
Anticipated future needs $ 0.00
CURRENT PROPOSED TOTAL $9,914,369.44
Reasons additional goods/services could not be foreseen:
The new Acid Phase Digestion process has not performed as anticipated or as otherwise seen in the industry. This proposed modification will investigate and determine the contributing causes for the operational deficiencies and recommend remedies to achieve optimum process performance.
Reason other procurement processes are not used:
Investigation and resolution of the operational difficulties encountered is most efficiently addressed by those most familiar with the digestion process, the project design and construction. It is not...
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