Agenda - Public Works Committee - 06/21/2022

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Since collecting topo survey data, Engineering Staff explored drainage improvement options within this neighborhood and have determined that the most feasible and cost-effective improvement project would be to construct a storm sewer pipe with manholes and ditch inlets along one side of Argon Street, and to outlet the storm sewer into the existing stormwater pond south of Alpine Drive between Argon and Barium Streets. A recommendation is now being requested from the Public Works Committee as to whether the City Council should authorize Staff to prepare plans and specifications for a 2022 drainage improvement project along Argon Street. If the Committee recommends City Council approval, Staff will present a case to Council on June 28, 2022, seeking Council authorization to prepare plans and specifications. Timeframe: Staff anticipates 20 minutes will be required to present this case and respond to questions. Observations/Alternatives: Observations: Mr. Dan Ridgeway, property owner at 15410 Argon Street, plans to attend this meeting, as do one or more neighbors. Figure 1 shows 2-foot contours across the broader neighborhood area. Figure 2 shows 2-foot contours, addresses and aerial images along Argon Street. Alternatives: Alternative #1 — Motion recommending City Council authorization to prepare plans and specifications for 2022 Argon Street Drainage Improvements. Alternative #2 — Motion of other. Funding Source: Staff will prepare plans and specifications as part of their normal duties. A detailed construction cost estimate will be developed based on the plans prepared by Staff, but as of today Staff estimates project costs will range between $325,000 and $500,000. Recommendation: Staff recommends approving Alternative # 1. Action: Dependent on discussions. Attachments Halland Acres Plat Figure 1 Figure 2 Form Review Inbox Reviewed By Date Grant Riemer Grant Riemer 06/16/2022 02:21 PM Brian Hagen Brian Hagen 06/16/2022 02:53 PM Form Started By: Bruce Westby Started On: 06/14/2022 04:04 PM Final Approval Date: 06/16/2022