Title/Name/Summary
Lake Sedgewick - 319 Grant
History
PROJECT:
Lake Sedgewick/153rd Street Metra Parking Lot BMPS, 319 Grant 3190605
PETITIONER:
Development Services Department
ATTACHMENTS:
Proposed Lake Sedgewick & Metra Parking Lot BMP and Grading Plan.
PURPOSE:
The purpose of this project is to install Best Management Practices (BMPs) for a wetland polishing system to reduce run-off pollutants from the new 153rd Street Metra Lot in order to help protect the water quality of Lake Sedgewick in Centennial Park.
DISCUSSION
The Village of Orland Park is the recipient of an Illinois Environmental Protection Agency Section 319 non-point source pollution control grant to protect the water quality of Lake Sedgewick. The project design work has been completed by Village consultants and approved by the Illinois EPA.
The project was originally put out to bid in November 2008 as one project. The three bids came back significantly over budget, ranging from $370,000 to $490,000. In addition to the high cost, there was a railroad issue. Although staff worked with Metra and received their consent to construct the project in the RR ROW, and although our changes in the railroad ROW are very minor, in order to construct in the railroad right of way the contractor will be required to have railroad insurance and a flagman, both of which are very costly and could delay the project.
Because of the high bids and railroad issues, adjustments were made to the plans, and it was split into two phases. With a slight adjustment of a culvert, Phase One can be constructed completely outside of the railroad right of way. According to the project engineer, the construction of wetland cells on the east side of the tracks (Phase One) is the most critical part of the project. Attached are the plans that delineate the two phases.
In March 2009 the revised project was put out for bid. Ten bidders responded, with a total project cost ranging from $243,330.86 to $638,833.33. Although ...
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