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Consideration of request by Assistant City Engineer for the approval of an amendment to the professional services agreement with raSmith related to the Watertown Plank Road and N 115th St Utilities & Paving project (CIP Project 1025)
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Submitted by:
Mike Steiner, Assistant City Engineer
Department
Public Works, Engineering Division
A. Issue
Approval to execute an amendment to the professional services agreement with raSmith related to the design of Watertown Plank Road and N 115th St Utilities & Paving project (CIP Project 1025).
B. Background/Options
In March 2024, a professional services agreement was executed with raSmith for design services related to the Watertown Plank Road and N 115th St Utilities & Paving project (Common Council Resolution R-24-052). Significant design scope additions resulted from two specific areas of the project.
First, the request for proposals (RFP) included a limited storm sewer design scope due to the many unknowns associated with the existing storm sewer system and the potential required improvements. The priority was completing stormwater modeling for the entire drainage basin to identify recommended improvements for Watertown Plank Road and the required final design effort.
Second, the multi-use path on N 116th St, not part of the original design scope, was added during design to create a connection between the proposed bicycle and pedestrian facilities on Watertown Plank Road with the new Firefly Grove Park upon construction completion. Finally, additional miscellaneous services beyond the initial anticipated scope were requested during the design process.
Expanded Stormwater Modeling and Final Design (with outfall alternatives) and subsequent ancillary tasks due to the proposed storm sewer layout:
? Additional Stormwater Modeling and Final Design - $101,000
? Additional Sanitary Sewer Relay Design - $6,700
? Additional Water Main Relay Design - $4,545
? Permitting and Easement Coordination for the Propose...
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