Downtown Sanitary Sewer Rehabilitation - 2019; Project No. 2019-S-1

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Public Works is taking a proactive approach in rehabilitating sanitary sewer in the downtown area to avoid failures.  Cured in Place Pipe (CIPP) lining with manhole rehabilitation will be the focus of this project to reinforce structural integrity of the collection system.  Existing pipe segments are within constricted alleyways of the project boundary, which is Clark Street to the west, South Front Street to the north, Plum Street to the east, and First Street to the south.  Additional failing pieces in the area may be assessed to determine the best rehabilitation method.  Segments are mostly 8-inch pipe, with total length of approximately 13,000 linear feet.

On November 6, 2018 City Council awarded the engineering services agreement to Olsson, Inc. of Grand Island, Nebraska in the amount of $81,850.00, via Resolution No. 2018-337.

On June 25, 2019, via Resolution No. 219-196, City Council approved Amendment No. 1 to the agreement with Olsson, Inc. to allow for construction administration and observation services, as well as project closeout of Sanitary Sewer Collection System Rehabilitation- Downtown; Project No. 2019-S-1.  This amendment  was in the amount of $61,063.00 for a revised agreement of $142,913.00.

On April 23, 2019, via Resolution No. 2019-143, City Council awarded a construction contract to Municipal Pipe Tool Co, LLC. of Hudson, Iowa in the amount of $634409.00 for Downtown Sanitary Sewer Rehabilitation- 2019; Project No. 2019-S-1.

On November 12, 2019, via Resolution No. 2019-342, City Council approved Change Order No. 1 in the amount of $19,290.00, resulting in a revised contract of $653,699.00 to allow for an increase to the pre-liner footage and additional pay items for 12" pre-liner and mortar plugging for pipe transition to minimize risk of failure on this project.