Explanation
1. BACKGROUND: This legislation authorizes the Director of Public Utilities to enter into an agreement with Stantec Consulting Services Inc., in the amount of $422,984.23 for professional engineering services for the Lower Olentangy River Ecosystem Restoration Project (5th Ave. Dam), CIP No, 650706, for the Division of Sewerage and Drainage. This project primarily involves the modification or removal of the 5th Ave. Dam and restoration of 10,560 linear feet of the Olentangy River.
This project includes preliminary engineering (field surveys, structural and floodplain analyses, report, etc.), design engineering (preparation of construction documents, easements, maintenance plan, etc.), and construction inspection services (administration, inspection) for the removal of the Fifth Avenue Dam and construction of in-stream and riparian restoration features along the Olentangy River in the vicinity and upstream of the dam.
Work completed thus far (Phase I), covered by the original contract and contract mod 1, includes field survey, hydrographic survey, geomorphic assessment, sediment sampling and survey, structural analyses, floodplain evaluations, and preparation of a report.
Work to be completed as part of this contract modification (Phase II) includes a mussel survey, which is time sensitive. Additionally it requires preparing detail construction documents, easements, permitting, maintenance plan, etc. Phase III: Contract modification required. It is anticipated the consultant will perform construction administration/inspection services and post project inspection/ maintenance services.
A. Amount of additional funds to be expended: $422,984.23
Original Contract - $200,000.00 (Utilized EPA 319 Grant Funds)
Modification No. 1 - $ 73,460.80 (Utilized EPA 319 Grant Funds)
Current Modification No. 2 - $422,984.23
Future Modifications Phase III - $200,000.00
Total Proposal Amoun...
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